LG DISPLAY CO., LTD. patent applications on June 27th, 2024
Patent Applications by LG DISPLAY CO., LTD. on June 27th, 2024
LG DISPLAY CO., LTD.: 106 patent applications
LG DISPLAY CO., LTD. has applied for patents in the areas of H10K59/80 (24), G09G3/3233 (16), G09G3/20 (15), G06F3/041 (12), H10K59/122 (11) G09G3/2096 (6), G09G3/3233 (5), H10K59/124 (4), H10K59/131 (4), H10K85/342 (3)
With keywords such as: display, layer, area, device, disposed, electrode, light, substrate, lines, and data in patent application abstracts.
Patent Applications by LG DISPLAY CO., LTD.
Inventor(s): Sooyoun Kim of Gyeonggi-do (KR) for lg display co., ltd., YongWoo Lee of Gyeonggi-do (KR) for lg display co., ltd., JounHo Lee of Gyeonggi-do (KR) for lg display co., ltd., HwaYoul Lee of Gyeonggi-do (KR) for lg display co., ltd., Uihyeon Jeong of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): A61L2/025, A61L2/26, C04B35/495, G06F3/01, H10N39/00
CPC Code(s): A61L2/025
Abstract: a vibration apparatus includes a base member, a protection member, and a vibration generating part configured between the base member and the protection member to output an ultrasound, wherein the vibration generating part includes a plurality of first signal lines and a plurality of second signal lines configured on the base member to intersect with one another and a plurality of vibration parts disposed at intersections of the plurality of first signal lines and the plurality of second signal lines.
Inventor(s): SunWoong KIM of Paju-si (KR) for lg display co., ltd., JuHun MIN of Paju-si (KR) for lg display co., ltd., SeungSoo YANG of Paju-si (KR) for lg display co., ltd., ChangHee CHOI of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02B5/02, G02B1/04, H10K59/38, H10K59/80
CPC Code(s): G02B5/0205
Abstract: an optical member capable of improving a vision recognition rate of a mark used for alignment such as bonding alignment, and a display apparatus including the same are discussed. the optical member can include a first layer having a pattern portion, and a second layer covering the pattern portion. at least one of the first layer or the second layer has a refractive index that is varied depending on different wavelength areas, where the wavelength areas include a visible ray area and an infrared area having a wavelength longer than that of the visible ray area. a difference in a refractive index between the first layer and the second layer is greater in the visible ray area than the infrared area.
Inventor(s): JuHun MIN of Paju-si (KR) for lg display co., ltd., SunWoong KIM of Paju-si (KR) for lg display co., ltd., SeungSoo YANG of Paju-si (KR) for lg display co., ltd., ChangHee CHOI of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02B5/30, H10K59/80
CPC Code(s): G02B5/3083
Abstract: an optical member capable of reducing reflectance of external light and a display apparatus comprising the same are provided. the optical member comprises a first layer including a pattern portion having a plurality of concave portions and a plurality of convex portions between the plurality of concave portions, and a second layer covering the pattern portion. the first layer and the second layer have their respective refractive indexes different from each other, and a first phase of light passing through the plurality of convex portions is different from a second phase of light passing through the plurality of concave portions.
Inventor(s): WooNam JEONG of Paju-si (KR) for lg display co., ltd., SeungChul LEE of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/1333, G02F1/1335, G02F1/1345, G02F1/1362, G06F3/041, H01L25/075, H10K59/121, H10K59/123, H10K59/124, H10K59/18, H10K59/35
CPC Code(s): G02F1/13336
Abstract: disclosed are a display device, a multi-screen display device using the same, which include a minimized bezel area and a method for manufacturing the display device. the display device including a display substrate including a plurality of subpixels respectively provided in a plurality of pixel areas defined by a plurality of data lines and a plurality of gate lines, a line substrate bonded to the display substrate by using a substrate bonding member and including a plurality of data routing lines, and a side data connection member provided on one side of each of the display substrate and the line substrate to connect the plurality of data lines to the plurality of gate lines in a one-to-one relationship.
Inventor(s): ChangEun Kim of Seoul (KR) for lg display co., ltd., Jinuk Lee of Seoul (KR) for lg display co., ltd., SuJeong Lee of Seoul (KR) for lg display co., ltd., JoongHa Lee of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/1333, G02F1/1335, G02F1/1362, G02F1/1368, G06F3/041
CPC Code(s): G02F1/13338
Abstract: provided is a liquid crystal display device. the liquid crystal display device includes a first substrate including a plurality of thin film transistors; a second substrate that overlaps the first substrate and includes a black matrix and a color filter; a touch electrode on the first substrate or second substrate; and an antistatic layer on the first substrate. the antistatic layer comprises ino, sno, and sio.
20240210751.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Hyejeong PARK of Jeonju-si (KR) for lg display co., ltd., Hongseok HEO of Paju-si (KR) for lg display co., ltd., Yonghee HAN of Jeonju-si (KR) for lg display co., ltd., Jonggun LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/1335, G02B5/30, G02F1/13363, H10K50/80, H10K50/86
CPC Code(s): G02F1/133528
Abstract: the present disclosure relates to a display device. a display device includes a display panel including a display area and a non-display area, a polarization layer disposed on the display panel, and a light control layer. the polarization layer has a light transmission axis extending in a first direction. the light control layer includes a light-transmissive portion overlapping the display area of the display panel and a light-blocking portion overlapping the non-display area of the display panel. the light-blocking portion has a light transmission axis extending in a second direction different from the first direction.
20240210756.Display Panel Including Composite Sheet_simplified_abstract_(lg display co., ltd.)
Inventor(s): Inwha Lee of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/13357, G02F1/1333
CPC Code(s): G02F1/133606
Abstract: the present disclosure relates to a display panel including a composite optical sheet that can replace the existing optical sheet and diffusion plate.
Inventor(s): Changwoo Lee of Paju-si (KR) for lg display co., ltd., SunYoon Kim of Seoul (KR) for lg display co., ltd., Min Kim of Seoul (KR) for lg display co., ltd., Sanggoo Jeong of Paju-si (KR) for lg display co., ltd., Juyoung Noh of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/1335, G02F1/13357, G09G3/32
CPC Code(s): G02F1/133612
Abstract: the present disclosure relates to a backlight unit, a display device, and a driving method. a sensing mux circuit senses a voltage of a first light emitting node and a voltage of a second light emitting node, and then, detects whether a first light source connected between the first light emitting node and the second light emitting node is defective, whereby it is possible to specify and detect a defective light source.
20240210989.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): JiCheol SON of Hanam-si (KR) for lg display co., ltd.
IPC Code(s): G06F1/16
CPC Code(s): G06F1/1616
Abstract: a display device includes a folding area and a non-folding area. the display device further includes a display panel and a bottom plate disposed under the display panel to support the display panel. the bottom plate may include different materials. the bottom plate may also include a first area overlapping the folding area of the display device and a second area overlapping the non-folding area of the display device. the first area includes a pattern part and a non-pattern part between the pattern part and the second area.
20240211062.TOUCH DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jinseong KIM of Gyeonggi-do (KR) for lg display co., ltd., JuHan KIM of Gyeonggi-do (KR) for lg display co., ltd., Haewon LEE of Seoul (KR) for lg display co., ltd., CheolSe KIM of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): G06F3/041, G06F3/044, H10K59/12, H10K59/122, H10K59/124, H10K59/40
CPC Code(s): G06F3/0412
Abstract: the present disclosure provide a display device and a display panel, the display panel including: a transistor disposed over a substrate; a first planarization layer and a second planarization layer disposed over the transistor; an anode electrode disposed in a light emitting area on the second planarization layer and electrically connected to the transistor through an anode contact hole; a touch buffer layer disposed to cover the anode electrode; a touch electrode including an overlap area overlapping a portion of the anode electrode in a non-light emitting area on the touch buffer layer; a touch line disposed under the touch electrode and electrically connected to the touch electrode through a touch contact hole; a bank covering the touch electrode and including an opening in which the light emitting area is placed; and an emission layer and a cathode electrode sequentially disposed on the anode electrode.
20240211063.TRANSPARENT DISPLAY DEVICE WITH TOUCH SENSOR_simplified_abstract_(lg display co., ltd.)
Inventor(s): MiReum LEE of Paju-si (KR) for lg display co., ltd., JaeHee PARK of Paju-si (KR) for lg display co., ltd., Dojin KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G06F3/041, G02F1/1343, G06F3/044
CPC Code(s): G06F3/0412
Abstract: a transparent display device may include a substrate, a transmissive area, a non-transmissive area, and a plurality of subpixels provided in the non-transmissive area, having a light emitting element, which may include an anode electrode, a light emitting layer and a cathode electrode. the transparent display device may further include a touch sensor disposed in the transmissive area, including a touch sensor electrode, and a sensing transistor for sensing a voltage of the touch sensor. the cathode electrode of the light emitting element and the touch sensor electrode of the touch sensor may be provided on a same layer and may be separated by a first undercut structure. the cathode electrode may extend to the transmissive area such that the cathode electrode is located in the transmissive area and in the non-transmissive area. the sensing transistor may be disposed to overlap the cathode electrode located in the transmissive area.
20240211068.TOUCH DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)
Inventor(s): Wooram OH of Chilgok-gun (KR) for lg display co., ltd., YoungChul KWON of Gumi-si (KR) for lg display co., ltd.
IPC Code(s): G06F3/041, G06F3/044, G09G3/3225
CPC Code(s): G06F3/04164
Abstract: a touch display device and a display panel uniformly distributing capacitances between the touch lines and the touch electrodes are provided. the device includes a display panel in which a plurality of x-touch electrodes are electrically connected to form a x-touch electrode line and a plurality of x-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of y-touch electrode lines to transmit a plurality of touch sensing signals, and a touch driving circuit. a plurality of x-touch lines transmit the touch driving signals connect together the plurality of x-touch electrodes constituting a same x-touch electrode line through a plurality of contact holes. distances between at least one y-touch electrode line and the plurality of contact holes through which the plurality of x-touch lines are electrically connected to the x-touch electrodes adjacent to the at least one y-touch electrode line are uniform.
Inventor(s): Sojung Jung of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G06F3/041
CPC Code(s): G06F3/04166
Abstract: a touch driving circuit is disclosed that transmits touch sensing data and identifies an address signal and a command signal to determine whether to maintain transmission of touch sensing data during a period while a touch controller transmits an address signal and a command signal to the touch driving circuit according to start of communication between the touch controller and the touch driving circuit. thus, it is possible to reduce the transmission/reception time of touch sensing data and power consumption of the touch sensing system.
Inventor(s): Kil Tae KIM of Paju-si (KR) for lg display co., ltd., Sung Su HAN of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G06F3/041, G06F3/044, G09G3/20, G09G3/36
CPC Code(s): G06F3/0418
Abstract: the present disclosure provides a display device having a touch sensor, which includes a display panel including a touch sensor configured to display an image and sense presence or absence of a touch, a driver configured to time-division drive the display panel and the touch sensor, and a controller configured to control the driver, wherein the driver outputs a set voltage during a transition period between a display period in which an image is displayed on the display panel and a touch sensing period in which the touch sensor is sensed.
Inventor(s): HoonBae KIM of Seoul (KR) for lg display co., ltd.
IPC Code(s): G06F3/044, G06F3/041
CPC Code(s): G06F3/044
Abstract: a touch display device including a touch power signal generation circuit includes a display panel having a driving voltage line and a base voltage line for driving a light emitting element, a plurality of touch electrodes, and a subpixel, a touch circuit applying a touch driving signal to the plurality of touch electrodes and detecting touch sensing according to a change in capacitance, a touch power signal generation circuit applying a touch power signal having the same phase and amplitude as the touch driving signal to the driving voltage line and the base voltage line during a touch driving period, and a timing controller controlling the touch circuit and the touch power signal generation circuit.
20240211085.TOUCH DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)
Inventor(s): KyungSu HA of Gumi-si (KR) for lg display co., ltd., Wooram OH of Chilgok-gun (KR) for lg display co., ltd.
IPC Code(s): G06F3/044, G06F3/041
CPC Code(s): G06F3/0446
Abstract: disclosed herein is a touch display device and a display panel. the touch display device includes a display panel in which a plurality of x-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of x-touch lines, and a plurality of y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of x-touch electrode lines and receive the touch sensing signal from the y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of x-touch lines overlap at least some of the plurality of y-touch lines are different.
20240212530.FOLDABLE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): GyuHo LEE of Seoul (KR) for lg display co., ltd., Suk CHOI of Hwaseong-si (KR) for lg display co., ltd., Sungjin PARK of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/12
CPC Code(s): H10K59/872
Abstract: discussed is a foldable display device. the foldable display device includes a display panel including a folding area and non-folding areas located on opposite sides of the folding area, a first support substrate disposed under the display panel to support the display panel and including a plurality of opening patterns corresponding to the folding area, a second support substrate disposed between the display panel and the first support substrate and an adhesive layer corresponding to the non-folding areas and disposed between the first support substrate and the second support substrate. at least one of the first support substrate and the second support substrate includes a protrusion located adjacent to the folding area and protruding therefrom.
20240212534.PERSONAL IMMERSIVE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Mincheol KIM of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): G09G3/00
CPC Code(s): G09G3/001
Abstract: embodiments of the disclosure may provide a personal immersive display device. the persona immersive display device includes a first display panel and a second display panel each including a plurality of pixels. the first display panel and the second display panel are offset from each other in a user's field of view.
Inventor(s): Moo Kyoung HONG of Paju-si (KR) for lg display co., ltd., Dong Kyu YANG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/00, G09G3/3233
CPC Code(s): G09G3/006
Abstract: a driving device of an electroluminescent display apparatus, including a display panel where a pixel line including a set of pixels is provided in plurality, includes a pixel line determiner configured to select a representative pixel line, disposed at a position at which an accumulation stress caused by repetitive display of an input image is largest, from among all pixel lines, an over driving control controller configured to select a sample pixel characteristic value from among pixel characteristic values of the representative pixel line and selectively output a first odc control signal and a second odc control signal, based on a magnitude of the sample pixel characteristic value, and a sensing and driving circuit configured to pre-sense pixel characteristic values of the representative pixel line in the first sensing period, perform odc sensing on the pixel characteristic values of the all pixel lines once each according to the first odc control signal in a second sensing period succeeding the first sensing period, and perform the odc sensing on the pixel characteristic values of the all pixel lines a plurality of times each according to the second odc control signal in the second sensing period, wherein a sensing data voltage supplied to each pixel of the all pixel lines has multi-voltage levels, in the second sensing period for the odc sensing.
Inventor(s): Sang Uk LEE of Paju-si (KR) for lg display co., ltd., Jae Kwon CHAE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/00
CPC Code(s): G09G3/007
Abstract: a level shifter according to an embodiment and a display device using the same are discussed. the level shifter includes a driving signal generation circuit configured to output driving signals through signal lines, and a pseudo signal generation circuit configured to generate phase-inverted pseudo signals of the driving signals. the pseudo signal generation circuit can raise or lower a voltage level of the pseudo signals by a variation magnitude adjusted according to the driving signals whenever a section with the driving signals overlapping on a time axis occurs.
20240212544.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sujin HAM of Seoul (KR) for lg display co., ltd., SungJoon MIN of Goyang-si (KR) for lg display co., ltd., HaeYoon JUNG of Seoul (KR) for lg display co., ltd., MyungSub LIM of Seoul (KR) for lg display co., ltd., YuRa JEONG of Seoul (KR) for lg display co., ltd., Heewon KIM of Hwaseong-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/00, G09G3/32, H01L25/075, H01L25/16, H01L33/62
CPC Code(s): G09G3/035
Abstract: a display device includes a lower substrate which is stretchable and is divided into a first area, a second area, and a third area; a plurality of lower conductive patterns disposed on the first area of the lower substrate; a plurality of pixels which is disposed on the second area of the lower substrate; a plurality of lower connection lines which is disposed on the third area of the lower substrate and is connected to at least one the plurality of pixels; an upper substrate which is opposite to the lower substrate and is stretchable; and a plurality of upper conductive patterns which is disposed below the upper substrate and is overlapped with the plurality of lower conductive patterns. by doing this, the excessive stretching of the display device can be suppressed or controlled.
20240212545.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Deokhwan KIM of Paju-si (KR) for lg display co., ltd., Beom JEONG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/00, G09G3/3233, G09G3/3266, H10K59/131, H10K59/88
CPC Code(s): G09G3/035
Abstract: a display device includes a main region, a bending region which is bent from the main region in a thickness direction of a substrate, a sub-region which is connected to the bending region and faces the main region; and a plurality of wirings configured to extend from the sub-region through the bending region to the main region. the plurality of wirings includes: a first wiring to which a first voltage is applied; a second wiring to which a second voltage is applied; and a dummy wiring which receives a third voltage and is between the first wiring and the second wiring. the second voltage is higher than the first voltage, and the third voltage is less than the first voltage.
Inventor(s): Binn KIM of Seoul (KR) for lg display co., ltd.
IPC Code(s): G09G3/20
CPC Code(s): G09G3/20
Abstract: a gate driver circuit capable of preventing multiple outputs of a dummy stage to prevent malfunction thereof due to deterioration of an element, and a display device including the gate driver circuit. the gate driver circuit includes a plurality of stages for driving a plurality of gate lines, wherein the plurality of stages include: an x-th stage configured to output a carry signal and at least one gate signal; and a dummy stage configured to output a dummy carry signal to the x-th stage in response to the carry signal, wherein the dummy stage is configured to reset the dummy stage in response to the dummy carry signal.
20240212554.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Minkyu CHUN of Seoul (KR) for lg display co., ltd., JunHee HAN of Gimpo-si (KR) for lg display co., ltd., Sangwon YOON of Seoul (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233
CPC Code(s): G09G3/2003
Abstract: a display device can include a display panel having an active area and a non-active area, a plurality of data lines and driving voltage lines disposed in the active area, a plurality of first link lines disposed in the non-active area and respectively connected to the plurality of data lines, and one second link line disposed over the plurality of first link lines and connected to a part of the plurality of driving voltage lines. as a result, quality of the display panel can be improved, and a total resistance of the driving voltage lines can be reduced, so that power consumption of the display panel can be reduced.
20240212555.Display Apparatus and Driving Method Thereof_simplified_abstract_(lg display co., ltd.)
Inventor(s): Kyeong Min Moon of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233
CPC Code(s): G09G3/2007
Abstract: a display apparatus includes a display panel including a plurality of pixels, a data modulator configured to modulate input image data with reference to a gray offset to output modulated image data, a gamma voltage generator configured to output gamma compensation voltages including a plurality of gamma reference tap voltages, and a digital-to-analog converter configured to map the modulated image data to the gamma compensation voltages to output data voltages which are to be input to the plurality of pixels, wherein the gray offset has different magnitudes in a plurality of gray levels.
20240212565.DISPLAY DEVICE AND METHOD OF DRIVING THE SAME_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jae Hyoung KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233, G09G3/3266
CPC Code(s): G09G3/2092
Abstract: a display device can include a display panel including a plurality of subpixels with each subpixel including a light-emitting element, and a data driver configured to supply a data voltage and an on-bias stress (obs) voltage to each of the subpixels. the display device can further include a scan driver configured to output an emission signal for controlling a non-emission period and an emission period of the light-emitting element and an obs signal for controlling an obs period, and a controller configured to control the data driver and the scan driver.
20240212571.DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): MooKyoung HONG of Gyeonggi-do (KR) for lg display co., ltd., Jinsol CHOI of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233, G09G3/3275
CPC Code(s): G09G3/2096
Abstract: disclosed is a display apparatus comprising a display panel including data lines connected to a driving transistor of each of subpixels for displaying an image, and reference lines connected to a sensing transistor of each of the subpixels, a data driver configured to supply a data voltage to the data lines and supplying a reference voltage to the reference lines, and a timing controller configured to control the data driver, sense a reference voltage deviation of each of the reference lines changed independent from a driving characteristic of a subpixel by supplying the reference voltage to the reference lines without supplying the data voltage to the data lines, and compensate for the reference voltage deviation.
20240212572.Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): MooKyoung Hong of Paju-si (KR) for lg display co., ltd., Jinsol Choi of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233, G09G3/3258, G09G3/3275, G09G3/36
CPC Code(s): G09G3/2096
Abstract: disclosed is a display apparatus comprising a display panel with a plurality of data lines, a plurality of reference lines, and a plurality of subpixels arranged therein, a data driver configured to supply a data voltage to the data lines and to supply a reference voltage to the reference lines, a power supplier configured to supply a plurality of driving voltages to the data driver, and a timing controller configured to control the data driver and the power supplier and to supply a common voltage that changes between a plurality of different voltage levels that correspond to the plurality of driving voltages.
20240212573.DISPLAY DEVICE AND DRIVING METHOD THEREOF_simplified_abstract_(lg display co., ltd.)
Inventor(s): Uitaek JEONG of Paju-si (KR) for lg display co., ltd., Mookyoung HONG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233, G09G3/3275
CPC Code(s): G09G3/2096
Abstract: the embodiments relate to a display device and driving method thereof. the display device includes a display panel including a plurality of pixels arranged thereon, a data driver configured to apply a sensing data voltage to the plurality of pixels and output a characteristic value sensed in response to the sensing data voltage as sensing data, and a timing controller configured to compensate video data based on the sensing data and transmit compensated video data and a control signal to the data driver, wherein the timing controller applies a first sensing data voltage to the plurality of pixels in a normal sensing drive mode and a second sensing data voltage higher than the first sensing data voltage to the plurality of pixels in an overdriving sensing drive mode.
20240212574.DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)
Inventor(s): SunYoon KIM of Seoul (KR) for lg display co., ltd., Jin-Hyun JUNG of Seoul (KR) for lg display co., ltd., Byungjae LEE of Incheon (KR) for lg display co., ltd., Changwoo LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/32
CPC Code(s): G09G3/2096
Abstract: discussed are a display panel and a display device having the same. the display panel includes a plurality of subpixels. a gate line, a data line, and a reference voltage line are further disposed on the display panel. a gate driving circuit supplies a scan signal to the gate line. a data driving circuit converts image data into a data voltage and supplies the data voltages to the data line. a timing controller controls the gate driving circuit and the data driving circuit and generates compensation data for the image data using a sensing voltage detected through the reference voltage line. the display panel includes a plurality of sensing transistors disposed around a corresponding subpixel among the plurality of subpixels to connect the data line and the reference voltage line.
20240212575.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Takayuki SUZUKI of Kanagawa (JP) for lg display co., ltd.
IPC Code(s): G09G3/20, H01Q1/22, H01Q21/00
CPC Code(s): G09G3/2096
Abstract: a display device includes an input portion receiving a signal input, and including a transmission board transmitting the signal input; and a display portion rotatably connected to the input portion, and including a reception board receiving the signal from the transmission board, and a display panel displaying the signal received by the reception board, wherein one of the reception and transmission boards includes: a plurality of antenna pattern groups each including a plurality of first antenna patterns that transmit or receive respective signals, and arranged at rotationally symmetric positions; and a signal line connecting in series the corresponding first antenna patterns of the plurality of antenna pattern groups, and wherein the other of the reception and transmission boards includes a plurality of second antenna patterns that are arranged at a position facing one antenna pattern group among the plurality of antenna pattern groups, and that receive or transmit respective signals.
20240212576.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Dong Kyu LEE of Paju-si (KR) for lg display co., ltd., Yong Won JO of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233
CPC Code(s): G09G3/2096
Abstract: the present disclosure relates to a display device. the display device includes: a first source driver ic configured to receive pixel data to be written into sub-pixels of a first display area and a gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the first display area; a second source driver ic configured to receive pixel data to be written into sub-pixels of a second display area and the gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the second display area; a first programmable gamma ic configured to supply a first gamma reference voltage set to the first and second source driver ics; and a second programmable gamma ic configured to supply a second gamma reference voltage set to the first and second source driver ics.
20240212586.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Seungjae LEE of Goyang-si (KR) for lg display co., ltd., Jinho KIM of Daegu (KR) for lg display co., ltd.
IPC Code(s): G09G3/32, G09G3/20, H01L25/16, H01L27/12
CPC Code(s): G09G3/32
Abstract: disclosed is a display apparatus including a first panel, a second panel, and a control circuit configured to output a reference gate signal to the first panel and to output a timing-delayed gate clock signal to the second panel. at least one of the panels includes an upper substrate having a micro-led mounted thereon and a lower substrate connected to the upper substrate via routing.
Inventor(s): Ki Tae KWON of Paju-si (KR) for lg display co., ltd., Yong Hwa PARK of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3208
CPC Code(s): G09G3/3208
Abstract: a power circuit can include a direct current to direct current converter configured to output a first voltage; a digital-to-analog converter configured to convert input data to an analog voltage and output a second voltage; and a voltage regulating circuit configured to receive the first voltage and the second voltage as inputs and output a voltage in which the second voltage is added to the first voltage, and reduce a slope of the voltage. also, the input data to the digital-to-analog converter is updated during one horizontal period of a display device, and the voltage regulating circuit is further configured to commonly supply the voltage to pixels of the display device.
20240212594.DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)
Inventor(s): Youngjun CHOI of Incheon (KR) for lg display co., ltd., SoJung LEE of Gyeonggi-do (KR) for lg display co., ltd., YoungIn JANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): G09G3/3225
CPC Code(s): G09G3/3225
Abstract: the present disclosure relates to a display device including scan lines, data lines, control signal lines, and subpixels. a first subpixel among the subpixels includes a first light emitting element including an anode electrode and a cathode electrode; a first driving circuit connected to a first scan line of the plurality of scan lines and a first data line of the plurality of data lines and configured to drive the first light emitting element; a first light emitting control transistor configured to be turned on or off according to a first light emitting control signal supplied to its gate node and control a connection between the first light emitting element and the first driving circuit; and a first light emitting control circuit configured to output a first light emitting control signal to the gate node of the first light emitting control transistor.
Inventor(s): Jihoon HA of Seoul (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233, G09G3/20
CPC Code(s): G09G3/3233
Abstract: a display device and a method for driving the same are capable of driving a light-emitting element while a decrease in external quantum efficiency (eqe) is suppressed even when the light-emitting element is used in a small display device. to this end, the display device and the method for driving the same are discussed in which when the light-emitting element used in a small display device, the light-emitting element operates in a low luminance operation mode and a high luminance operation mode. in the low luminance operation mode, a data voltage is fixed and a pulse width is varied to set the luminance, and in the high luminance operation mode, the pulse width is fixed and the data voltage is varied to set the luminance.
Inventor(s): Bo Yun JUNG of Paju-si (KR) for lg display co., ltd., Dong Gun LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233, G09G3/20, G11C19/28
CPC Code(s): G09G3/3233
Abstract: a display panel and a display device including the same are discussed. the display panel includes a display area in which a plurality of data lines, a plurality of gate lines, and a plurality of sub-pixels are disposed, and a gate driver configured to supply gate signals to the gate lines. the display area includes a high-speed driving area, and a low-speed driving area driven at a frequency lower than that of the high-speed driving area. one cycle of a clock signal input to the gate driver includes a high interval with a gate high voltage and a low interval with a gate low voltage. a high interval of the clock signal is longer than a high interval of the high-speed driving area at a scanning time point of a first pixel line from which scanning of the low-speed driving area is started.
Inventor(s): Yong Won LEE of Paju-si (KR) for lg display co., ltd., Ji Soo YEOM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: disclosed is a pixel circuit. the pixel circuit includes: a driving element connected to a first node, a second node, and a third node; a first switch element configured to be turned on to supply a data voltage to a fourth node; a second switch element configured to be turned on to supply a reference voltage or an initialization voltage to the fourth node; a third switch element configured to be turned on to connect the first node to the second node; a fourth switch element configured to be turned on to supply the reference voltage to the third node; a fifth switch element configured to be turned on a fourth gate signal to supply a pixel driving voltage to the first node; and a sixth switch element configured to be turned on to connect the third node to a fifth node.
20240212616.Display Device Including Stage Transistor_simplified_abstract_(lg display co., ltd.)
Inventor(s): Ju-Hee Eun of Paju-si (KR) for lg display co., ltd., Jin-Hun KIM of Paiu-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233, G09G3/20, G09G3/3266
CPC Code(s): G09G3/3233
Abstract: a display device is provided. the display device includes: a timing controlling unit generating an image data, a data control signal and a gate control signal; a data driving unit generating a data signal using the image data and the data control signal; a gate driving unit generating a gate1 signal, a new gate1 signal, an odd gate2 signal, an even gate2 signal and an emission signal using the gate control signal and including a plurality of stages; and a display panel displaying an image using the gate1 signal, the new gate1 signal, the odd gate2 signal, the even gate2 signal and the emission signal, wherein each of the plurality of stages includes: a gate1 signal block; an odd gate2 signal block; an even gate2 signal block; first and second stage transistors; and an emission signal block generating the emission signal. accordingly, since the new gate signal is generated by using the stage transistor, the luminance deviation between the odd and even pixel lines is minimized.
Inventor(s): Dong Kyu LEE of Paju-si (KR) for lg display co., ltd., Seung Tae JIN of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: disclosed is a pixel circuit. the pixel circuit includes: a capacitor coupled between a first node and a second node; a driving element connected to a first constant voltage node, the second node, and a third node; a light emitting element connected to a fourth node and a second constant voltage node; a first switch element; a second switch element; a third switch element connected between the fourth node and the second constant voltage node or between the fourth node and a fourth constant voltage node; a fourth switch element connected between the first node and a third constant voltage node; a fifth switch element connected between the second node and the third constant voltage node or between the first node and the second node; and a sixth switch element connected between the third node and the fourth node.
Inventor(s): Min Sung KANG of Paju-si (KR) for lg display co., ltd., Hee Jung HONG of Paju-si (KR) for lg display co., ltd., Seong Ho CHO of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3258, G09G3/3291
CPC Code(s): G09G3/3258
Abstract: disclosed are a display panel and a display device including the same according to an embodiment. a display panel according to the embodiment includes: a display area in which a plurality of first pixels are arranged at a first pixels per inch (ppi); and a sensing area in which a plurality of second pixels are arranged at a second ppi that is lower than the first ppi, wherein the first pixels of the display area and the second pixels of the sensing area are arranged adjacent to each other at a boundary between the display area and the sensing area, the second pixel includes red, green, and blue sub-pixels, and at least one of the red and green sub-pixels of the second pixel is arranged closest to the first pixel.
20240212628.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): SeungHwan Shin of Jeonju-si (KR) for lg display co., ltd., WonHo Lee of Paju-si (KR) for lg display co., ltd., YoungMin Jeong of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3275, G09G3/32, G09G3/3266
CPC Code(s): G09G3/3275
Abstract: in one aspect, a display device includes a display panel including a plurality of pixels, each of the plurality of pixels including a first sub pixel, a second sub pixel, a third sub pixel, and a fourth sub pixel; a data driver configured to supply a data signal to the plurality of pixels through data lines; and a gate driver configured to supply a gate signal to the plurality of pixels through gate lines. a first interval between first sub pixels and fourth sub pixels of the plurality of subpixels that are in the same column is the same, and a second interval between second sub pixels and third sub pixels of the plurality of subpixels in the same column is the same.
Inventor(s): Moo Kyoung HONG of Paju-si (KR) for lg display co., ltd., Sin Kyun PARK of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3291
CPC Code(s): G09G3/3291
Abstract: a driving device of an electroluminescent display apparatus includes a pixel line determiner selecting a representative pixel line, disposed at a position at which an accumulation stress caused by an input image is largest, from among all pixel lines, a first sensing & driving circuit pre-sensing pixels of the representative pixel line for each color, an over driving control (odc) controller selecting a color-based sample pixel characteristic value from among pixel characteristic values of the representative pixel line obtained through the pre-sensing and controlling a sensing priority of each color, based on a relative magnitude of a variation amount of the color-based sample pixel characteristic value, a second sensing & driving circuit performing odc sensing on color pixels of all pixel lines, based on the sensing priority, and a compensation value generator updating compensation values of the color pixels, based on pixel characteristic values of the color pixels obtained through the odc sensing, wherein a sensing data voltage supplied to each of the color pixels has multi-voltage levels, in a sensing period for the odc sensing.
Inventor(s): Jung Jae KIM of Paju-si (KR) for lg display co., ltd., Dong Won PARK of Paju-si (KR) for lg display co., ltd., Yong Chul KWON of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3291
CPC Code(s): G09G3/3291
Abstract: a power control device of a display apparatus includes a display panel configured to include a plurality of pixels, a panel driver configured to drive the display panel, a power control unit configured to output a power control signal into which one or more pieces of control command data are encoded, and a power source unit configured to shift an output level of a source voltage needed for an operation of each of the display panel and the panel driver, based on the control command data, wherein the control command data comprises a plurality of control pulses where a logic low period and a logic high period are alternated, and the logic low period is implemented with two or more different lengths.
Inventor(s): Hyun Soo Lee of Paju-si (KR) for lg display co., ltd., Sung Ho Hong of Paju-si (KR) for lg display co., ltd., Seo Jun Yeom of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3291, G09G3/3266
CPC Code(s): G09G3/3291
Abstract: a pixel circuit and a display device including the same are disclosed. the pixel circuit includes a driving element including a first electrode connected to a first power line, a gate electrode connected to a first node, and a second electrode connected to a second node, a first switch element connected between a data line through which a first or second data voltage is applied and the first node, and supplies the first data voltage to the first node responsive to a first gate signal, a second switch element connected between the data line and the second node and supplies the second data voltage to the second node responsive to a second gate signal, a light-emitting element including an anode connected to the second node and a cathode connected to a second power line, and a capacitor connected between the first and second nodes.
Inventor(s): Hyeon Ho Son of Goyang-si (KR) for lg display co., ltd., Hyung Ju Park of Goyang-si (KR) for lg display co., ltd., Bo Gyun Chung of Goyang-si (KR) for lg display co., ltd., Do Jin Kim of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L25/075, H01L33/00
CPC Code(s): H01L25/0753
Abstract: a method of manufacturing a display device according to an embodiment of the present disclosure can include placing a mask on an adhesive layer of a display panel and irradiating light thereon, and transferring a plurality of light emitting diodes on a donor onto the display panel. the adhesive layer can be configured by a plurality of first parts overlapping the mask and a second part which is exposed from the mask to be irradiated with light. further, a light emitting diode alone which is in contact with the plurality of first parts can be transferred onto the display panel.
20240213228.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Minseok KIM of Seoul (KR) for lg display co., ltd., Jongsung KIM of Seoul (KR) for lg display co., ltd., Yongmin HA of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L25/075, H01L33/62
CPC Code(s): H01L25/0753
Abstract: a display device includes a wiring substrate on which a plurality of link wire lines are disposed; a plurality of display units including a plurality of light-emitting elements and a plurality of signal lines, wherein the plurality of display units are disposed on the wiring substrate and are spaced apart from each other; a reflective layer positioned between the wiring substrate and the plurality of display units; and a plurality of bonding members positioned between the reflective layer and the wiring substrate to electrically connecting the plurality of link wire lines and the plurality of signal lines to each other.
20240213232.Tiling Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jaeho Lee of Paju-si (KR) for lg display co., ltd., Rokhee Lee of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L25/16, H01L33/60
CPC Code(s): H01L25/162
Abstract: a display device includes a lower substrate having a thin-film transistor disposed thereon; a plurality of upper substrates respectively having light-emitting elements disposed thereon, wherein the plurality of upper substrates are spaced apart from each other and are disposed on the lower substrate; conductive adhesive members disposed between the lower substrate and the upper substrates; a first filling material filling a space between the lower substrate and each of the upper substrates, wherein the first filling material covers the conductive adhesive members; and a second filling material filling a boundary area between adjacent ones of the plurality of upper substrates.
20240213267.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Yongmin JEONG of Seoul (KR) for lg display co., ltd., KiSeob SHIN of Goyang-si (KR) for lg display co., ltd., DongHo CHOI of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L27/12, H01L25/16
CPC Code(s): H01L27/124
Abstract: according to an aspect of the present disclosure, a display device includes a lower substrate which includes an active area and a non-active area and is stretchable; a pattern layer which is disposed on the active area of the lower substrate and includes a plurality of first plate patterns and a plurality of first line patterns; a plurality of pixels which is disposed on each of the plurality of first plate patterns; a plurality of connection lines which is disposed on the plurality of first line patterns and configured to connect the pixels; and a plurality of power connection lines configured to supply a power voltage to the pixels, and the power connection lines are disposed between the pixels on the active area.
Inventor(s): RokHee Lee of Seoul (KR) for lg display co., ltd., HyeonHo Son of Goyang-si (KR) for lg display co., ltd., DongSeok Lee of Bucheon-si (KR) for lg display co., ltd., JuSang Rhim of Seoul (KR) for lg display co., ltd., Sunghwan Yoon of Seoul (KR) for lg display co., ltd., MinJae Kang of Seoul (KR) for lg display co., ltd., YuSeop Shin of Bucheon-si (KR) for lg display co., ltd.
IPC Code(s): H01L27/15, H01L25/075, H01L27/12, H01L33/24
CPC Code(s): H01L27/156
Abstract: according to an aspect of the present disclosure, a display device includes a substrate in which a pixel including a plurality of sub pixels is defined; an adhesive layer disposed on the substrate; and a plurality of light emitting diodes self-assembled which are transferred onto the adhesive layer and disposed in the plurality of sub pixels. accordingly, the light emitting diode is disposed on the adhesive layer to fix the light emitting diode which is transferred from the donor.
Inventor(s): JaeHyun Kim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L29/786, H01L25/16, H01L29/423, H01L29/66
CPC Code(s): H01L29/78603
Abstract: a transistor, a fabricating method of the transistor, and a display apparatus comprising the transistor are provided. the transistor comprises a first electrode, nanorod on the first electrode, an active layer on the nanorod, a gate insulating layer on the active layer, a gate electrode on the active layer, and a second electrode connected to the active layer and disposed spaced apart from the first electrode, the first electrode has a pattern area, the nanorod is disposed on the pattern area, the nanorod has a diameter and height, the height of the nanorod is larger than the diameter of the nanorod, the active layer is disposed on a side surface of the nanorod, and connected to the first electrode.
Inventor(s): Sungju Choi of Paju-si (KR) for lg display co., ltd., Hyeonjoo Seul of Paju-si (KR) for lg display co., ltd., Jinwon Jung of Paju-si (KR) for lg display co., ltd., Jaeyoon Park of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L29/786
CPC Code(s): H01L29/78696
Abstract: a thin film transistor including an active layer; and a gate electrode at least partially overlapped with the active layer. further, the active layer includes a first active layer and a second active layer on the first active layer; a channel; a first connection portion contacting a first side of the channel; and a second connection portion contacting a second side of the channel. in addition, the channel includes a first overlap area in which the first active layer and the second active layer overlap each other based on a plan view; and a first non-overlap area in which the first active layer and the second active layer do not overlap each other based on the plan view. also, in the channel of the active layer, each of the first active layer and the second active layer extends from the first connection portion to the second connection portion. the second active layer also has a mobility greater than a mobility of the first active layer.
20240213419.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): HeeJin IM of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): H01L33/58, H01L25/075, H01L27/15
CPC Code(s): H01L33/58
Abstract: a display device comprising a substrate provided with a plurality of subpixels, a light-emitting diode formed in each of the plurality of subpixels on the substrate, and an optical film formed on the light-emitting diode above the entire surface of the substrate, wherein the optical film includes first and second regions having different materials.
20240213423.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): HeeJin IM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L33/60, H01L25/075, H01L27/15
CPC Code(s): H01L33/60
Abstract: a display device includes a substrate provided with a plurality of subpixels and configured to include a central area and a peripheral area surrounding the central area, a light emitting diode formed in each of the plurality of subpixels on the substrate, and an optical structure formed on the light emitting diode, wherein the plurality of subpixels includes a first subpixel formed in the central area and a second subpixel formed in the peripheral area, the optical structure disposed in the first subpixel is disposed in the center of the first subpixel, and the optical structure disposed in the second subpixel is disposed closer to the other side of the second subpixel than one side of the second subpixel.
20240213431.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): GiSang HONG of Seoul (KR) for lg display co., ltd., EunHye LEE of Paju-si (KR) for lg display co., ltd., Jungmin KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L33/62, H01L25/075, H01L25/16, H01L27/12
CPC Code(s): H01L33/62
Abstract: according to an aspect of the present disclosure, a display device includes a substrate having an active area and a non-active area where sub pixels are disposed in the active area, a first assembly line and a second assembly line disposed in the sub pixels and being separated from each other to form a separated space, a light emitting diode disposed in the sub pixels and disposed on the first assembly line and the second assembly line, and a capacitor disposed below the first assembly line and the second assembly line. the capacitor is disposed so as to overlap the separated space formed between the first assembly line and the second assembly line. by this configuration, the light extraction of the display device can be improved.
Inventor(s): SeulKi NAM of Paju-si (KR) for lg display co., ltd., Taehyung KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H04R1/02, H04R5/02
CPC Code(s): H04R1/02
Abstract: a vibration generating apparatus for use with a vibration member includes a support member including a first hole and a second hole, a first vibration device disposed at the first hole, a second vibration device disposed at the second hole, and an enclosure member connected to a rear surface of the vibration member and configured to cover the support member, the first vibration device, and the second vibration device.
20240214727.APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jaewon Hwang of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): H04R3/00
CPC Code(s): H04R3/00
Abstract: an apparatus includes a vibration member, a supporting member at a rear surface of the vibration member, a first vibration generating apparatus connected with the rear surface of the vibration member, and a second vibration generating apparatus between the vibration member and the supporting member, wherein the first vibration generating apparatus and the second vibration generating apparatus are serially connected with each other.
20240214736.SOUND APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jaehun YE of Tokyo (JP) for lg display co., ltd.
IPC Code(s): H04R7/04, H04R17/00
CPC Code(s): H04R7/04
Abstract: a sound apparatus comprises a first vibration device which vibrates by an input driving signal, a first substrate including a first main surface and a second main surface facing each other, wherein the first vibration device is disposed on at least a portion of the first main surface of the first substrate, a second substrate including a first main surface and a second main surface facing each other, wherein a portion of the first main surface of the second substrate is disposed to be adjacent to a portion of the second main surface of the first substrate, a second vibration device disposed on at least a portion of the second main surface of the second substrate and vibrates by the input driving signal, a vibration member, a first elastic member connecting the first substrate and the vibration member, and a second elastic member connecting the first substrate and the vibration member.
20240214738.SOUND APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jaehun YE of Tokyo (JP) for lg display co., ltd.
IPC Code(s): H04R7/08, H04R1/02, H04R17/00
CPC Code(s): H04R7/08
Abstract: a sound apparatus may include a vibration device including a first surface and a second surface opposite to the first surface and configured to vibrate by an input sound signal, a first vibration member connected to the first surface, a second vibration member, and a first elastic member connecting the second surface to the second vibration member.
Inventor(s): Kyungyeol RYU of Gyeonggi-do (KR) for lg display co., ltd., Minji KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H04R17/00, H04R1/02, H04R1/28
CPC Code(s): H04R17/00
Abstract: a vibration apparatus can include a vibration generating portion including at least one or more vibration portions, a first cover member disposed at a first surface of the vibration generating portion, a second cover member disposed at a second surface of the vibration generating portion being different from the first surface of the vibration generating portion, a signal cable electrically connected with the vibration generating portion, and a connection member disposed between the first cover member and the second cover member to connect the vibration generating portion with the signal cable.
20240215180.Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): PyungYong Lee of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): H05K5/02, H10K59/80
CPC Code(s): H05K5/02
Abstract: according to an aspect of the present disclosure, a display device includes a display panel configured to display an image; a corrugated panel on a rear surface of the display panel, the corrugated panel comprising a first skin layer, a second skin layer, and a core layer between the first skin layer and the second skin layer; and a back cover that encloses the display panel and the corrugated panel, wherein at least one of the first skin layer or the second skin layer comprises an opening through a thickness of the at least one of the first skin layer or the second skin layer to improve the appearance quality of the display device.
20240215189.FLEXIBLE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): JaeHyoung PARK of Paju-si (KR) for lg display co., ltd., Hyesun SON of Seoul (KR) for lg display co., ltd., Yeonjae JEONG of Paju-si (KR) for lg display co., ltd., EunSoo CHANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): H05K5/03, H05K5/02
CPC Code(s): H05K5/03
Abstract: a flexible display device can include a display panel configured to display images. the display panel includes at least one folding area that is foldable about a folding axis and a non-folding area. a cover window is provided on the display panel. aback plate supports a bottom portion of the display panel, and a support part supports the back plate in a slidable manner. further, a first magnetic body is connected to the cover window or the back plate. a second magnetic body is also provided on the support part to attract the first magnetic body so that a portion of the second magnetic body connected to the first magnetic body is drawn from the folding area toward the non-folding area. as such, a crease that can develop in the folding area can be prevented from forming by applying tension to the display panel.
20240215190.Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): Hyeonyeong Lee of Sejong-si (KR) for lg display co., ltd., Kwangmin Hyun of Daegu (KR) for lg display co., ltd.
IPC Code(s): H05K5/03
CPC Code(s): H05K5/03
Abstract: there is disclosed a display apparatus including a display panel comprising a display area having a plurality of sub-pixels and a non-display area surrounding the display area and having a bending area; a first back plate and a second back plate disposed under the display panel and spaced apart from each other; and an adhesion assembly attaching the first back plate and the second back plate to a lower surface of the display panel. the adhesion assembly may have a multilayer structure in which a plurality of adhesive layers with different storage moduli are disposed.
Inventor(s): Inbum SONG of Seoul (KR) for lg display co., ltd., Dohan KIM of Goyang-si (KR) for lg display co., ltd., Sungjin PARK of Incheon (KR) for lg display co., ltd., Jaemin MOON of Seoul (KR) for lg display co., ltd., Seokwoo KANG of Hwaseong-si (KR) for lg display co., ltd., Dokyun KWON of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): H10K50/12, H10K50/13, H10K85/30, H10K85/60
CPC Code(s): H10K50/12
Abstract: disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a chemical formula 1, wherein the host material includes a mixture of a compound represented by a chemical formula 2 and a compound represented by a chemical formula 3. the organic light-emitting diode has excellent light-emitting efficiency and lifespan.
Inventor(s): Sungjin PARK of lncheon (KR) for lg display co., ltd., lnbum SONG of Seoul (KR) for lg display co., ltd., Dohan KIM of Goyang-si (KR) for lg display co., ltd., Jaemin MOON of Seoul (KR) for lg display co., ltd., Seokwoo KANG of Hwaseong-si (KR) for lg display co., ltd., Soonjae HWANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K50/12, H10K50/13, H10K85/30, H10K85/60
CPC Code(s): H10K50/12
Abstract: disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by chemical formula 1, wherein the host material includes a mixture of a compound represented by chemical formula 2 and a compound represented by chemical formula 3.
Inventor(s): Sung-Min JO of Paju-si (KR) for lg display co., ltd., Hong-Seok CHOI of Paju-si (KR) for lg display co., ltd., Sun-Hee LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K50/125, H10K50/814, H10K50/82, H10K77/10, H10K85/60
CPC Code(s): H10K50/125
Abstract: an organic light emitting diode (oled) is described, where a red emitting material layer, a first blue emitting material layer and a second blue emitting material layer are disposed sequentially between two electrodes. a first blue host in the first blue emitting material layer has a hole mobility faster than a hole mobility of a second blue host in the second blue emitting material layer. holes and electrons are injected into an emitting material layer in balance so that an exciton recombination zone is formed within the emitting material layer. red and blue emission efficiencies are controlled in balance so that an oled with beneficial blue emission efficiency and high red emission lifetime can be realized. an organic light emitting device includes the organic light emitting diode, and can be a display device or a lighting device.
Inventor(s): Seung-Hyun KIM of Paju-si (KR) for lg display co., ltd., Young-Kwan JUNG of Paju-si (KR) for lg display co., ltd., Hee-Yeol KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K50/818, H10K50/125, H10K50/15, H10K50/16
CPC Code(s): H10K50/818
Abstract: an organic light emitting diode (oled) and an organic light emitting device comprising the oled (e.g., a display device or a lighting device) are described. the oled includes a plurality of emitting parts each of which can include an emitting material layer between two electrodes. each of the emitting material layers is spaced apart from each other or from the electrodes. as the distances among the electrodes and the emitting material layers and/or among emitting material layers are controlled, the oled can secure sufficient amount of light emission as well as beneficial luminous efficiency and wide viewing angle.
20240215296.Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): Minsoo Park of Incheon (KR) for lg display co., ltd., Sang-Il Shin of Paju-si (KR) for lg display co., ltd., Jaechang Kang of Daegu (KR) for lg display co., ltd.
IPC Code(s): H10K50/844, H10K59/131
CPC Code(s): H10K50/844
Abstract: provided is a display apparatus according to an exemplary embodiment of the present disclosure which includes a substrate including a display area and at least one non-display area; a light emitting device and a plurality of transistors disposed in the display area of the substrate; and a power wiring disposed in the at least one non-display area and electrically connected to the plurality of transistors and the light emitting device. the at least one non-display area includes a camera hole area and a disconnection area, and the disconnection area has a closed loop shape to surround the camera hole area. therefore, provided is a display apparatus that is more stable for permeation of moisture and oxygen.
20240215297.LIGHT EMITTING DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Kyung-Cheol CHOI of Daejeon (KR) for lg display co., ltd., Kwang-Hwan JI of Paju-si (KR) for lg display co., ltd., Hark-Jin KIM of Paju-si (KR) for lg display co., ltd., So-Yeong JEONG of Daejeon (KR) for lg display co., ltd.
IPC Code(s): H10K50/844, H10K50/115, H10K85/10
CPC Code(s): H10K50/844
Abstract: a light emitting device is described, which has a first encapsulation film enclosing an outside and a top surface of a light emitting diode. the first encapsulation film comprises an organic thin film of a fluorine-based polymer and an inorganic material infiltrated into a void of the fluorine-based polymer and linked chemically to the fluorine-based polymer. optionally, a second encapsulation film can be disposed between a substrate and the light emitting diode. the encapsulation film provides a moisture barrier, while being flexible. since the encapsulation film provides improved barrier properties to moisture and the like, the light emitting device can maintain good current density, luminous efficiency and luminance. the light emitting device can be a display device, a lighting device, a touch screen, etc.
Inventor(s): Jung Hun CHOI of Paju-si (KR) for lg display co., ltd., Sung Jin PARK of Paju-si (KR) for lg display co., ltd., Mi Ran RIM of Paju-si (KR) for lg display co., ltd., Min Ha KANG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K50/86, H04N23/57, H10K59/121, H10K59/65
CPC Code(s): H10K50/86
Abstract: a display panel includes a substrate having a first area in which first pixels are disposed and a second area in which second pixels and a light-transmitting area disposed between the second pixels are disposed, and a polarizing plate disposed above the light-transmitting area and including a light-transmitting pattern having a light transmittance higher than that of the remaining area, wherein the substrate includes a high-transmission area having a higher light transmittance than the remaining portion in a position corresponding to the second area.
Inventor(s): SeungSoo YANG of Paju-si (KR) for lg display co., ltd., ChangHee CHOI of Paju-si (KR) for lg display co., ltd., Yujin KANG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/12, H10K59/38, H10K59/80
CPC Code(s): H10K59/1201
Abstract: an optical member capable of improving a vision recognition rate of a mark used for alignment such as bonding alignment, and a display apparatus comprising the same are provided. the optical member comprises a first layer including a pattern portion having a plurality of concave portions and a plurality of convex portions between the plurality of concave portions, and a second layer covering the pattern portion. the second layer includes a central area and an outer area, and a refractive index of the second layer in the central area is different from that of the second layer in the outer area.
Inventor(s): Younghyun KO of Paju-si (KR) for lg display co., ltd., ChanYong JEONG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/121, H10K59/12, H10K59/126
CPC Code(s): H10K59/1213
Abstract: disclosed is a thin film transistor substrate including a first thin film transistor having a first gate electrode, a first active layer, a first source electrode, and a first drain electrode, and a second thin film transistor having a second gate electrode, a second active layer with a pattern different from a pattern of the first active layer, a second source electrode, and a second drain electrode. the first active layer includes a first lower active layer overlapping the first gate electrode and a first upper active layer disposed on the first lower active layer and not overlapping the first gate electrode. the second active layer includes a second lower active layer overlapping the second gate electrode and a second upper active layer disposed on the second lower active layer and overlapping the second gate electrode. a display apparatus including the same thin film transistor substrate is also disclosed.
20240215320.LIGHT EMITTING DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Mi Kyung PARK of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/122, H10K59/12
CPC Code(s): H10K59/122
Abstract: disclosed is a light emitting display device including a substrate having an active area, a plurality of anodes spaced apart from each other in the active area, a bank configured to expose an emissive portion of each of the plurality of anodes, the bank being provided between emissive portions of the plurality of anodes, and a light emitting unit and a cathode sequentially provided on the plurality of anodes and the bank, wherein at least a part of the bank includes a first trench structure asymmetric at both sides thereof.
20240215321.LIGHT EMITTING DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Bo Seong KIM of Paju-si (KR) for lg display co., ltd., Min Chul JUN of Paju-si (KR) for lg display co., ltd., Dong Cheol CHOE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/122, H10K50/16, H10K50/18, H10K59/32
CPC Code(s): H10K59/122
Abstract: a light emitting display device including a bank exposing first to fourth light emitting portions on a substrate; first to fourth anodes respectively disposed on one of the first to fourth light emitting portions; first light emitting stacks on the first to fourth anodes; a charge generation layer on the first light emitting stack in the fourth light emitting portion; a second light emitting stack on the charge generation layer in the fourth light emitting portion; and a cathode on the first light emitting stack and the second light emitting stack.
20240215327.LIGHT EMITTING DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Dong Cheol CHOE of Paju-si (KR) for lg display co., ltd., Yoon Sung KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/122, H10K59/35, H10K59/80
CPC Code(s): H10K59/122
Abstract: disclosed is a light emitting display device including a substrate, a bank provided on the substrate, the bank being configured to divide a first emissive portion and a second emissive portion from each other, the bank having a trench, a first common layer provided over the first emissive portion, the bank, and the second emissive portion, a first color emissive layer provided on the first common layer in the first emissive portion, a second color emissive layer provided on the first common layer in the second emissive portion, a stack of layers formed by overlapping of a first auxiliary color emissive layer provided on the same layer as the first color emissive layer and a second auxiliary color emissive layer provided on the same layer as the second color emissive layer on the bank including the trench, and a cathode spaced apart from the first common layer by the stack of layers.
Inventor(s): Bok Young LEE of Paju-si (KR) for lg display co., ltd., Yong Il KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/124, H10K59/121
CPC Code(s): H10K59/124
Abstract: a display apparatus include a driving thin film transistor electrically connected to a light-emitting device on each pixel area. the driving thin film transistor may include a driving semiconductor pattern. the driving semiconductor pattern may include an oxide semiconductor. the driving semiconductor pattern may be surrounded by an insulating layer made of fluorinated silicon nitride (sinf). thus, in the display apparatus, inflow of hydrogen and oxygen in direction of the driving thin film transistor may be prevented. therefore, in the display apparatus, changes in characteristics of the driving thin film transistor due to the inflow of the hydrogen and oxygen can be prevented. accordingly, decrease in the quality of the image in the display apparatus due to the hydrogen and oxygen can be prevented.
20240215338.ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jae-Sung HU of Paju-si (KR) for lg display co., ltd., Joon-Soo HAN of Paju-si (KR) for lg display co., ltd., Jun-Ha AN of Paju-si (KR) for lg display co., ltd., Jae-Hyuk CHOI of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/124, H10K59/122
CPC Code(s): H10K59/124
Abstract: discussed is an organic light-emitting diode display device can include sub-pixels on a substrate, and each having an emission area and a non-emission area; a horizontal line and vertical lines crossing each other to define the sub-pixels; a thin film transistor in the non-emission area; an overcoat layer over the thin film transistors and including micro lenses in the emission area; a bank over the overcoat layer and having an opening; and a light-emitting diode in the emission area over the overcoat layer and connected to the thin film transistor, wherein the vertical lines includes first, second, third, and fourth lines, and wherein for a first sub-pixel, an edge of the opening of the bank is spaced apart from the first and second lines, and for a second sub-pixel, an edge of the opening of the bank coincides with one side of each of the third and fourth lines.
Inventor(s): Jae-Won HWANG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/124, H10K59/80
CPC Code(s): H10K59/124
Abstract: an organic light emitting diode display device includes a substrate having a plurality of subpixels. the device includes an overcoat layer on the substrate. the device includes a light emitting diode in each of the plurality of on the overcoat layer. in some embodiments, a top surface of the overcoat layer in adjacent two of the plurality of subpixels includes a plurality of microlenses having different rotation angles. the top surface of the overcoat layer between the adjacent two of the plurality of subpixels includes a slit pattern corresponding to the rotation angles of the plurality of microlenses.
Inventor(s): Younghyun Ko of Paju-si (KR) for lg display co., ltd., ChanYong Jeong of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/124, H10K59/12
CPC Code(s): H10K59/124
Abstract: discussed are a display panel, a display device, and a method for manufacturing the display device, capable of preventing damage to an active layer and deterioration of an element. the display device can include an active layer having a channel area disposed between a first area and a second area, a first barrier layer disposed on a portion of an upper surface of the active layer, a first auxiliary electrode disposed on the first area on the first barrier, a second auxiliary electrode disposed on the second area on the first barrier layer, a first diffusion control layer disposed on the first and second auxiliary electrodes, an insulation layer disposed on the first diffusion control layer, and a first electrode electrically connected to the first auxiliary electrode and a second electrode electrically connected to the second auxiliary electrode, disposed on the insulation layer.
20240215351.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): SeungHwan SHIN of Jeonju-si (KR) for lg display co., ltd., WonHo LEE of Paju-si (KR) for lg display co., ltd., YoungMin JEONG of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/131
CPC Code(s): H10K59/131
Abstract: a display device includes a display panel including pixels and a data driver configured to supply a data signal to the pixels. the display panel includes data lines, a high potential voltage line, and one or more reference voltage lines. each of the pixels includes first to fourth sub pixels, and the data lines include first to fourth data lines which supply the data signals to the first to fourth sub pixels, respectively, and extend along a second direction. further, each of the first to fourth sub pixels includes a light emitting diode and a circuit element configured to drive the light emitting diode. the first to fourth data lines are disposed between the circuit elements of two adjacent sub pixels extending along a first direction different from the second direction, among the first to fourth sub pixels.
20240215356.Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Uisu Sin of Seoul (KR) for lg display co., ltd., Youngsun Jang of Paju-si (KR) for lg display co., ltd., ByungJun Lim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/131, G06F3/041, G09G3/3233, H10K59/124, H10K59/40, H10K59/80
CPC Code(s): H10K59/131
Abstract: a display device according to an exemplary embodiment of the present disclosure includes a substrate that includes a non-active area and an active area, the non-active area including a bending area and a pad area. the display device also includes a gate driving circuit, a driving integrated circuit, and a plurality of lines connecting the driving integrated circuit to the gate driving circuit. the plurality of lines includes a first group of lines that transmits a signal having a first average voltage, a second group of lines that transmits a clock signal, and a third group of lines that transmits a signal having a second average voltage different from the first average voltage. the second group of lines is located between the first group of lines and the third group of lines.
20240215357.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): JaeKyeong YUN of Gyeonggi do (KR) for lg display co., ltd.
IPC Code(s): H10K59/131
CPC Code(s): H10K59/131
Abstract: a display device includes a substrate including a display area in which a plurality of subpixels are disposed and a non-display area surrounding the display area, an external line and a first sub-diode, which are formed in the non-display area, and a light emitting element formed in each of the plurality of subpixels, wherein the first sub-diode includes a first sub-electrode, an organic layer and a second sub-electrode, the light emitting element includes a first electrode, a light emitting layer and a second electrode, the first sub-electrode is connected to the external line, and the second sub-electrode is connected to the second electrode.
20240215361.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): HoYoung JEONG of Gyeonggi-do (KR) for lg display co., ltd., Harkjin KIM of Incheon (KR) for lg display co., ltd.
IPC Code(s): H10K59/131, G06F3/041, G06F3/044, G06V40/13, H04N23/57, H10K59/126, H10K59/40
CPC Code(s): H10K59/131
Abstract: a display device includes a display panel including a display area on which an image is displayed, a substrate, and an electrode located over the substrate and disposed in the display area; and a camera photographing a front of the display panel without being exposed to the front surface of the display panel, being disposed under the display area of the display panel, and overlapping with a first area in the display area, wherein the electrode overlaps with the first area, and wherein the electrode comprises a semi-transmissive layer positioned over the substrate, an optical path compensation layer positioned on the semi-transmissive layer, and a metal layer positioned on the optical path compensation layer.
20240215365.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Yoonjung EO of Paju-si (KR) for lg display co., ltd., Youngmin OH of Yeosu-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/35, H10K59/80
CPC Code(s): H10K59/351
Abstract: discussed is a display device including a substrate including a plurality of subpixels, each subpixel including an emission area and a non-emission area; a polarization layer disposed on the substrate, and including a first area and a second area having single transmittances; and an organic light emitting element disposed in the emission area, wherein a single transmittance of the second area is higher than a single transmittance of the first area from among the single transmittances.
20240215370.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Moon Sung KIL of Paju si (KR) for lg display co., ltd., Eun Hyung LEE of Paju si (KR) for lg display co., ltd., Ju Won OH of Paju si (KR) for lg display co., ltd.
IPC Code(s): H10K59/35, H10K59/65
CPC Code(s): H10K59/353
Abstract: a display device includes a display panel configured to include a first display area in which a plurality of first pixels are disposed, and a second display area in which a plurality of second pixels and a light-transmission area between the second pixels are disposed; and a sensor disposed corresponding to the second display area, wherein the second pixel includes a plurality of sub-pixels, the plurality of sub-pixels include a red sub-pixel including a red organic compound layer disposed between a first anode electrode and a first cathode electrode, a green sub-pixel including a green organic compound layer disposed between a second anode electrode and a second cathode electrode, and a blue sub-pixel including a blue organic compound layer disposed between a third anode electrode and a third cathode electrode, and a thickness of the green organic compound layer is larger than thicknesses of the red organic compound layer and the blue organic compound layer.
20240215374.TRANSPARENT TOUCH DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Hwi Deuk LEE of Paju-si (KR) for lg display co., ltd., Sung Su HAN of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/40, G06F3/041, G06F3/044, H10K59/124
CPC Code(s): H10K59/40
Abstract: disclosed is a transparent touch display device including: first to third touch electrodes disposed in one column; first to third touch lines disposed across the first to the third touch electrodes; m�n touch cathode electrodes disposed in n rows and m columns in an area of each of the first to the third touch electrodes (m and n being natural numbers); and n touch bridges disposed in the area of each of the first to the third touch electrodes to electrically interconnect m touch cathode electrodes in each of the n rows among the m�n touch cathode electrodes. the second touch line may be electrically connected to each of n−k touch bridges and not to the remaining k touch bridges among the n touch bridges disposed in the area of the second touch electrode, k being an even number greater than 0 and less than n/2.
20240215375.Display Device and Display Panel_simplified_abstract_(lg display co., ltd.)
Inventor(s): JungSik Jo of Paju-si (KR) for lg display co., ltd., ChulHo Kim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/65, G09G3/3233, G09G3/3266, H10K59/122, H10K59/80
CPC Code(s): H10K59/65
Abstract: the present disclosure relates to a display panel and a display device, and more specifically, to a display panel and a display device that include: a first optical area allowing light to be transmitted; and a normal area included in a display area and located outside of the first optical area, the first optical area comprising: a first anode electrode of a first light emitting element; a first insulating layer including a concave portion exposing at least a portion of an upper surface of the first anode electrode; a light path changing element disposed on a portion of an upper surface of the insulating layer and a side surface of the concave portion; and a bank exposing a portion of the light path changing element disposed on the upper surface of the insulating layer and exposing a portion of the upper surface of the first anode electrode, and are capable of improving light extraction efficiency.
Inventor(s): SANG HYUK WON of Paju-si (KR) for lg display co., ltd., SEON HEE LEE of Paju-si (KR) for lg display co., ltd., SUNG WOO CHOI of Paju-si (KR) for lg display co., ltd., YOUNG KYUN MOON of Paju-si (KR) for lg display co., ltd., DONG IL CHU of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122
CPC Code(s): H10K59/80522
Abstract: a display apparatus can include pixel areas and a contact area between the pixel areas. an auxiliary electrode can be disposed in the contact area. each of the pixel areas can include a light-emitting device on a device substrate. an insulating layer including at least one contact hole overlapping with the contact area can be disposed on the device substrate. a connection electrode electrically connected to the auxiliary electrode can extend along a sidewall and a bottom surface of the contact hole. a light-emitting layer and a second electrode of the light-emitting device in each pixel area can extend inside of the contact hole. thus, in the display apparatus, a process of forming the second electrode and the connection electrode can be simplified, and damage of the light-emitting device due to a process of connecting the second electrode and the connection electrode can be minimized.
Inventor(s): Dong Il Chu of Paju-si (KR) for lg display co., ltd., Min Joo Kim of Paju-si (KR) for lg display co., ltd., Young Kyun Moon of Paju-si (KR) for lg display co., ltd., Sang Hyuk Won of Paju-si (KR) for lg display co., ltd., Seon Hee Lee of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122
CPC Code(s): H10K59/80522
Abstract: a display apparatus including an auxiliary electrode are disclosed. the display apparatus includes a contact area between pixel areas. the auxiliary electrode is within the contact area. a planarization layer covering the auxiliary electrode includes an inclined surface overlapping with the contact area and an upper surface extending from the inclined surface. a connection electrode covering the inclined surface and the upper surface of the planarization layer is connected to the auxiliary electrode. a light-emitting device on each pixel area has first and second electrodes and a light-emitting layer. the light-emitting layer and the second electrode extends onto the connection electrode. the light-emitting layer exposes a portion of the connection electrode by a reflow pattern, and the second electrode is in contact with the portion of the connection electrode exposed by the light-emitting layer. thus, a process of connecting the second electrode and the connection electrode may be simplified.
Inventor(s): Seongmin Yang of Paju-si (KR) for lg display co., ltd., Euijun Lee of Seoul (KR) for lg display co., ltd., Moowook Bang of Paju-si (KR) for lg display co., ltd., Kilsu Park of Paju-si (KR) for lg display co., ltd., Changryeom Kim of Paju-si (KR) for lg display co., ltd., Yuseok Oh of Gimpo-si (KR) for lg display co., ltd., Yongsoo Kim of Chilgok-gun (KR) for lg display co., ltd., Eungchul Park of Daegu (KR) for lg display co., ltd., Panyoul Kim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, C03C17/34, H10K102/00
CPC Code(s): H10K59/872
Abstract: a cover window assembly of embodiments is attached onto a flexible display panel by an optically transparent adhesive, and comprises a cover glass, a primer resin layer directly coated on the cover glass, and a protective layer disposed on the primer resin layer. the primer resin layer may have a greater storage modulus than the optically transparent adhesive.
20240215388.DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): WooChan Cho of Paju si (KR) for lg display co., ltd., ChulHo Kim of Seo gu (KR) for lg display co., ltd., JungSik Jo of Goyang si (KR) for lg display co., ltd., Kyu-Hwang Lee of Paju si (KR) for lg display co., ltd., Hyunjin Kim of Goyang si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/8722
Abstract: a display device includes a substrate including an active area, a hole area disposed within the active area and having a through hole disposed therein, and a disconnection area surrounding the hole area; and a plurality of disconnection structures disposed on the substrate in the disconnection area, wherein each of the plurality of disconnection structures includes, a lower layer, an intermediate layer disposed on the lower layer and having a width smaller than that of the lower layer, and an upper layer disposed on the intermediate layer and having a width greater than that of the intermediate layer, thereby penetration of moisture or oxygen from the through hole into the active area is minimized.
20240215390.DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): SangWon KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/8722
Abstract: a display apparatus is disclosed. the display apparatus includes a first plate, a second plate, a display panel, and a cover member. the second plate, the display panel, and the cover member are sequentially stacked on the first plate. the display apparatus includes a double-sided adhesive member configured to bond the second plate and the cover member to the first plate at edges.
20240215394.ELECTROLUMINESCENT DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Eonho CHA of Incheon (KR) for lg display co., ltd., GyuHyeong HAN of Seoul (KR) for lg display co., ltd., HunBae IM of Goyang-si (KR) for lg display co., ltd., Yoonseok LEE of Paju-si (KR) for lg display co., ltd., Jonghoon YEO of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122
CPC Code(s): H10K59/873
Abstract: an electroluminescent display device includes a substrate including an active area and a non-active area surrounding the active area; a planarization layer over the substrate; an anode on the planarization layer; an organic layer on the anode and absent at a laser ablation area in the non-active area to surround the active area, a portion of the organic layer disposed outside the laser ablation area; a cathode on the organic layer and absent at the laser ablation area, a portion of the cathode disposed outside the laser ablation area; an encapsulation substrate above the substrate; and a dam at the laser ablation area between the substrate and the encapsulation substrate.
20240215395.Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): ChounSung Kang of Gimpo-si (KR) for lg display co., ltd., Daeyun Kim of Seoul (KR) for lg display co., ltd., GeunChang Park of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/873
Abstract: according to an aspect of the present disclosure, a display device includes: a display panel including a plurality of pixels; a first cover on a rear surface of the display panel; a second cover on a rear surface of the first cover, and a roller which is configured to wind or unwind the display panel, the first cover, and the second cover, the second cover including a plurality of variable holes configured to pass through the second cover. therefore, it is possible to improve the durability of the display device and suppress the degradation of a rolling characteristic.
20240215404.DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sejong SEONG of Paju-si (KR) for lg display co., ltd., SeHong PARK of Paju-si (KR) for lg display co., ltd., Wonrae KIM of Paju-si (KR) for lg display co., ltd., Inae CHOI of Paju-si (KR) for lg display co., ltd., SeoHyun NAM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122, H10K59/131, H10K59/35, H10K59/38
CPC Code(s): H10K59/878
Abstract: a display apparatus is provided, which can improve light extraction efficiency of light emitted from a light emitting element layer. in one example, the display apparatus includes a substrate having a plurality of pixels with a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, a reflective portion on the pattern portion, and a plurality of lines for driving the plurality of subpixels. the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the plurality of lines are disposed in the non-light emission area. further, the pattern portion is provided to surround the light emission area, and at least one of the plurality of lines partially overlaps the pattern portion.
20240215405.DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sejong Seong of Paju-si (KR) for lg display co., ltd., KyungMin Kim of Paju-si (KR) for lg display co., ltd., Hyemin Park of Paju-si (KR) for lg display co., ltd., SeHong Park of Paju-si (KR) for lg display co., ltd., Wonrae Kim of Paju-si (KR) for lg display co., ltd., Inae Choi of Paju-si (KR) for lg display co., ltd., SeoHyun Nam of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/131
CPC Code(s): H10K59/878
Abstract: a display apparatus is discussed, which can improve light extraction efficiency of light emitted from a light emitting element layer. in one example, the display apparatus includes a substrate having a plurality of pixels with a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, a reflective portion on the pattern portion, and a plurality of lines for driving the plurality of subpixels. the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the plurality of lines are disposed in the non-light emission area. further, the pattern portion is provided to surround the light emission area, and at least one of the plurality of lines partially overlaps the pattern portion.
20240215406.DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sejong SEONG of Paju-si (KR) for lg display co., ltd., SeHong PARK of Paju-si (KR) for lg display co., ltd., Wonrae KIM of Paju-si (KR) for lg display co., ltd., Inae CHOI of Paju-si (KR) for lg display co., ltd., SeoHyun NAM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122, H10K59/124
CPC Code(s): H10K59/878
Abstract: a display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. the display apparatus comprises a substrate having a plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion, wherein the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the pattern portion is disposed in the periphery of the non-light emission area.
Inventor(s): Da-In SONG of Paju-si (KR) for lg display co., ltd., Hyun-Joo KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/121
CPC Code(s): H10K59/879
Abstract: an organic light emitting diode display device can include a substrate having a subpixel, a phase retardation pattern in the subpixel on the substrate, a planarizing layer on the phase retardation pattern, an overcoat layer on the planarizing layer, a top surface of the overcoat layer having a plurality of microlenses, and a light emitting diode on the plurality of microlenses. the plurality of microlenses includes first and second unit cells. the phase retardation pattern is disposed to correspond to the first unit cell.
Inventor(s): Yeon-Suk KANG of Paju-si (KR) for lg display co., ltd., Pu-Reum KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/38
CPC Code(s): H10K59/879
Abstract: an organic light-emitting diode display device can include a substrate providing with a plurality of sub-pixels. the device includes a light-emitting diode disposed at each of the plurality of sub-pixels over the substrate. the device includes a color filter over the light-emitting diode. the device includes a lens layer over the color filter. the device includes an overcoat layer over the lens layer. a concave portion is provided between adjacent color filters. the lens layer includes a convex lens portion over the color filter and a concave lens portion over the concave portion.
20240215412.ORGANIC LIGHT EMITTING DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): MinHyung KIM of Seoul (KR) for lg display co., ltd., JungIm HWANG of Gimpo-si (KR) for lg display co., ltd., HyunSeung KIM of Seoul (KR) for lg display co., ltd., Seong-Il KIM of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/8791
Abstract: provided is an organic light emitting display device. the organic light emitting display device comprises a display panel; and an optical laminate disposed on the display panel and including a multi-functional layer. the multi-functional layer contains a liquid crystal mixture including a liquid crystal compound and two or more types of dichroic dyes, below the multi-functional layer, the liquid crystal compound is contained, but the two or more types of dichroic dyes are not included and above the multi-functional layer, the two or more types of dichroic layers are contained.
Inventor(s): Hyo-Sup Eum of Seoul (KR) for lg display co., ltd., HeeDong Lee of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/8794
Abstract: a display device includes a display module, a side frame supporting a portion of each of side portions of the display module, and at least one fixing unit fixing the display module to the side frame by pressing one surface of the display module on the side frame. the problem of peeling of an adhesive material due to high-temperature heat generated during operation of the display module is overcome by mechanically fitting components of the display module together.
Inventor(s): Sungjin PARK of lncheon (KR) for lg display co., ltd., lnbum SONG of Seoul (KR) for lg display co., ltd., Dohan KIM of Goyang-si (KR) for lg display co., ltd., Jaemin MOON of Seoul (KR) for lg display co., ltd., Seokwoo KANG of Hwaseong-si (KR) for lg display co., ltd., Taeryang HONG of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K85/30, C09K11/06, H10K85/60
CPC Code(s): H10K85/342
Abstract: disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a chemical formula 1, wherein the host material includes a compound represented by a chemical formula 2 and a compound represented by a chemical formula 3. the organic light-emitting diode has excellent light-emitting efficiency and lifespan.
Inventor(s): Sungjin PARK of lncheon (KR) for lg display co., ltd., lnbum SONG of Seoul (KR) for lg display co., ltd., Dohan KIM of Goyang-si (KR) for lg display co., ltd., Jaemin MOON of Seoul (KR) for lg display co., ltd., Seokwoo KANG of Hwaseong-si (KR) for lg display co., ltd., Soonjae HWANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K85/30, C09K11/02, C09K11/06, H10K85/60
CPC Code(s): H10K85/342
Abstract: disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a chemical formula 1, wherein the host material includes a mixture of a compound represented by a chemical formula 2 and a compound represented by a chemical formula 3. the organic light-emitting diode has excellent light-emitting efficiency and lifespan.
Inventor(s): Seokwoo KANG of Hwaseong-si (KR) for lg display co., ltd., lnbum SONG of Seoul (KR) for lg display co., ltd., Dohan KIM of Goyang-si (KR) for lg display co., ltd., Sungjin PARK of lncheon (KR) for lg display co., ltd., Jaemin MOON of Seoul (KR) for lg display co., ltd., Soonjae HWANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): H10K85/30, C09K11/06, H10K50/12, H10K85/60
CPC Code(s): H10K85/342
Abstract: disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a chemical formula 1, wherein the host material includes a mixture of a compound represented by a chemical formula 2 and a compound represented by a chemical formula 3. the organic light-emitting diode has excellent light-emitting efficiency and lifespan.
Inventor(s): Byung-Geol KIM of Paju-si (KR) for lg display co., ltd., Seung-Hyun KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K85/60, C09K11/06
CPC Code(s): H10K85/6572
Abstract: an organic light emitting diode (oled) and an organic light emitting device comprising the oled (e.g., a display device or a lighting device) are described. the oled includes a red emitting material layer, a yellow-green emitting material layer and a green emitting material layer each of which includes a host with controlled charge mobility between two electrodes. the oled and the organic light emitting device can secure wide emission area and have beneficial luminous lifespan.
20240215454.APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): JungIm HWANG of Gyeonggi-do (KR) for lg display co., ltd., HyunJong NOH of Gyeonggi-do (KR) for lg display co., ltd., Junehwan KIM of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): H10N30/87, H04R17/00, H10N30/30
CPC Code(s): H10N30/87
Abstract: an apparatus includes a vibration member, an active vibration device configured to vibrate the vibration member, and a passive vibration device disposed at a periphery of the active vibration device to generate electrical energy, based on a deformation of the passive vibration device.
- LG DISPLAY CO., LTD.
- A61L2/025
- A61L2/26
- C04B35/495
- G06F3/01
- H10N39/00
- CPC A61L2/025
- Lg display co., ltd.
- G02B5/02
- G02B1/04
- H10K59/38
- H10K59/80
- CPC G02B5/0205
- G02B5/30
- CPC G02B5/3083
- G02F1/1333
- G02F1/1335
- G02F1/1345
- G02F1/1362
- G06F3/041
- H01L25/075
- H10K59/121
- H10K59/123
- H10K59/124
- H10K59/18
- H10K59/35
- CPC G02F1/13336
- G02F1/1368
- CPC G02F1/13338
- G02F1/13363
- H10K50/80
- H10K50/86
- CPC G02F1/133528
- G02F1/13357
- CPC G02F1/133606
- G09G3/32
- CPC G02F1/133612
- G06F1/16
- CPC G06F1/1616
- G06F3/044
- H10K59/12
- H10K59/122
- H10K59/40
- CPC G06F3/0412
- G02F1/1343
- G09G3/3225
- CPC G06F3/04164
- CPC G06F3/04166
- G09G3/20
- G09G3/36
- CPC G06F3/0418
- CPC G06F3/044
- CPC G06F3/0446
- CPC H10K59/872
- G09G3/00
- CPC G09G3/001
- G09G3/3233
- CPC G09G3/006
- CPC G09G3/007
- H01L25/16
- H01L33/62
- CPC G09G3/035
- G09G3/3266
- H10K59/131
- H10K59/88
- CPC G09G3/20
- CPC G09G3/2003
- CPC G09G3/2007
- CPC G09G3/2092
- G09G3/3275
- CPC G09G3/2096
- G09G3/3258
- H01Q1/22
- H01Q21/00
- H01L27/12
- CPC G09G3/32
- G09G3/3208
- CPC G09G3/3208
- CPC G09G3/3225
- CPC G09G3/3233
- G11C19/28
- G09G3/3291
- CPC G09G3/3258
- CPC G09G3/3275
- CPC G09G3/3291
- H01L33/00
- CPC H01L25/0753
- H01L33/60
- CPC H01L25/162
- CPC H01L27/124
- H01L27/15
- H01L33/24
- CPC H01L27/156
- H01L29/786
- H01L29/423
- H01L29/66
- CPC H01L29/78603
- CPC H01L29/78696
- H01L33/58
- CPC H01L33/58
- CPC H01L33/60
- CPC H01L33/62
- H04R1/02
- H04R5/02
- CPC H04R1/02
- H04R3/00
- CPC H04R3/00
- H04R7/04
- H04R17/00
- CPC H04R7/04
- H04R7/08
- CPC H04R7/08
- H04R1/28
- CPC H04R17/00
- H05K5/02
- CPC H05K5/02
- H05K5/03
- CPC H05K5/03
- H10K50/12
- H10K50/13
- H10K85/30
- H10K85/60
- CPC H10K50/12
- H10K50/125
- H10K50/814
- H10K50/82
- H10K77/10
- CPC H10K50/125
- H10K50/818
- H10K50/15
- H10K50/16
- CPC H10K50/818
- H10K50/844
- CPC H10K50/844
- H10K50/115
- H10K85/10
- H04N23/57
- H10K59/65
- CPC H10K50/86
- CPC H10K59/1201
- H10K59/126
- CPC H10K59/1213
- CPC H10K59/122
- H10K50/18
- H10K59/32
- CPC H10K59/124
- CPC H10K59/131
- G06V40/13
- CPC H10K59/351
- CPC H10K59/353
- CPC H10K59/40
- CPC H10K59/65
- CPC H10K59/80522
- C03C17/34
- H10K102/00
- CPC H10K59/8722
- CPC H10K59/873
- CPC H10K59/878
- CPC H10K59/879
- CPC H10K59/8791
- CPC H10K59/8794
- C09K11/06
- CPC H10K85/342
- C09K11/02
- CPC H10K85/6572
- H10N30/87
- H10N30/30
- CPC H10N30/87
