Samsung Display Co., LTD. patent applications on February 29th, 2024
Patent Applications by Samsung Display Co., LTD. on February 29th, 2024
Samsung Display Co., LTD.: 83 patent applications
Samsung Display Co., LTD. has applied for patents in the areas of H10K59/131 (23), H10K59/122 (22), H10K59/40 (17), G09G3/3233 (15), H10K59/80 (13)
With keywords such as: layer, display, area, pixel, including, disposed, electrode, substrate, light, and device in patent application abstracts.
See the following report for Samsung Display Co., LTD. patent applications published on February 29th, 2024:
Samsung Display Co., LTD. patent applications on February 29th, 2024
Patent Applications by Samsung Display Co., LTD.
20240066570.CASSETTE FOR ULTRA-THIN GLASS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jung Hoon OH of Yongin-si (KR) for samsung display co., ltd., Ki Taek KIM of Yongin-si (KR) for samsung display co., ltd., Chang Min LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): B08B11/04, A47B81/00, B08B11/02, C03C23/00
Abstract: a cassette for ultra-thin glass includes a pair of plates spaced apart from and facing each other, and a plurality of supports mounted between the pair of plates and including a plurality of mounting grooves that support sides of sheets of ultra-thin glass. each of the plurality of mounting grooves includes an inclined portion inclined toward a middle of each of the plurality of mounting grooves, and a straight portion extending from the inclined portion and having a constant width in an axial direction of the plurality of supports. a height of the straight portion in a radial direction of the plurality of supports is equal to or greater than a height of the inclined portion in the radial direction.
Inventor(s): Min Kyoung JUNG of Yongin-si (KR) for samsung display co., ltd., Ji Hoon KIM of Yongin-si (KR) for samsung display co., ltd., Eun Mi SEO of Yongin-si (KR) for samsung display co., ltd., Sung Guk AN of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): C09J9/00, H05K5/03
Abstract: a display device includes a display panel including a first surface and a second surface opposite to the first surface, a polarizing member disposed on the first surface of the display panel, a window member disposed on the polarizing member, and a first adhesive member disposed between the window member and the polarizing member and including an ultraviolet light absorber. a side surface of the display panel, a side surface of the polarizing member, and a side surface of the first adhesive member have a first surface roughness, an upper surface of the first adhesive member has a second surface roughness less than the first surface roughness, and the side surface of the display panel, the side surface of the polarizing member, and the side surface of the first adhesive member are aligned at a boundary.
20240068082.DEPOSITION APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): JUNHYEUK KO of Yongin-si (KR) for samsung display co., ltd., MINGOO KANG of Yongin-si (KR) for samsung display co., ltd., EUIGYU KIM of Yongin-si (KR) for samsung display co., ltd., JONGBUM KIM of Yongin-si (KR) for samsung display co., ltd., Sukha RYU of Yongin-si (KR) for samsung display co., ltd., SANG MIN YI of Yongin-si (KR) for samsung display co., ltd., KYUNGHOON CHUNG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): C23C14/04, H10K71/10
Abstract: a deposition apparatus includes a mask, a mask frame, a stage disposed on a rear surface of the mask frame, and first to third external force applying parts disposed on the stage. each of the first portion and the second portion includes a support and a driving part which moves the support. the first to third external force applying parts applies external force to the mask frame to control a shape of the mask frame.
20240068084.DEPOSITION APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jongyoon LEE of Yongin-si (KR) for samsung display co., ltd., Sok Won NOH of Yongin-si (KR) for samsung display co., ltd., Junhyeuk KO of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): C23C14/24, C23C14/04
Abstract: a deposition apparatus includes: a chamber; a deposition source disposed in the chamber to include nozzles arranged in a first direction; and a deposition angle limiter disposed on the deposition source in the chamber. the deposition angle limiter includes: a low-incident angle limiting plate disposed between adjacent first and second nozzles among the nozzles and spaced apart from the first nozzle by a first height in a height direction intersecting the first direction; and a high-incident angle limiting plate surrounding at least a portion of the first nozzle and spaced apart from the first nozzle by a second height in the height direction. the first nozzle extends in the height direction.
Inventor(s): Sang Heon YE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G01B11/06, G06V40/13
Abstract: a method of measuring a thickness of a display device according to an embodiment includes: acquiring a sensing value by scanning external light to a photo sensing pixel of the display device; and measuring an organic layer thickness at a tag part of the display device and comparing the measured thickness with the sensing value.
Inventor(s): MINSIK JUNG of YONGIN-SI (KR) for samsung display co., ltd., OHJEONG KWON of YONGIN-SI (KR) for samsung display co., ltd., SANGGYUN KIM of YONGIN-SI (KR) for samsung display co., ltd., BYOUNGSEONG JEONG of YONGIN-SI (KR) for samsung display co., ltd., MINJU HAN of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): G02B5/20, G02F1/1335, G02F1/13357, H10K59/38
Abstract: an optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. each of the conversion layers includes inclined side surfaces. the optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. the reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
20240069593.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): YOUN JOON KIM of Yongin-si (KR) for samsung display co., ltd., HEE-SUK NAMGUNG of Yongin-si (KR) for samsung display co., ltd., MINJEONG OH of Yongin-si (KR) for samsung display co., ltd., KIJUNE LEE of Yongin-si (KR) for samsung display co., ltd., SUNGEUN LEE of Yongin-si (KR) for samsung display co., ltd., JINHO JU of Yongin-si (KR) for samsung display co., ltd., JONGHYUN CHOI of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F1/16
Abstract: a display device includes an electronic panel including a first non-folding region, a folding region, and a second non-folding region arranged in a first direction, a support plate disposed under the electronic panel, and a hinge member that defines biaxial rotational axes that are spaced apart from each other in the first direction and that extend in a second direction crossing the first direction. the electronic panel is folded inward or outward about the biaxial rotational axes, and the biaxial rotational axes are defined over or under the support plate depending on a folding direction of the electronic panel.
20240069658.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Hyoeng Ki KIM of Yongin-si (KR) for samsung display co., ltd., Hyeon Bum LEE of Yongin-si (KR) for samsung display co., ltd., Hyun Ho KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, G06F3/044, H10K59/122, H10K59/38, H10K59/40, H10K59/80
Abstract: a display device, includes: a light emitting element layer including a sub-pixel and a pixel defining film defining the sub-pixel; a thin film encapsulation layer on the light emitting element layer; a pseudo-reflection pattern overlapping the pixel defining film and formed on the thin film encapsulation film; a connection electrode on the pseudo-reflection pattern; a second touch insulating layer on the connection electrode; and a driving electrode and a sensing electrode on the second touch insulating layer, wherein a width of the connection electrode is greater than a width of the driving electrode.
20240069659.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jae Ik LIM of Yongin-si (KR) for samsung display co., ltd., Seong Jun LEE of Yongin-si (KR) for samsung display co., ltd., Jae Bum CHO of Yongin-si (KR) for samsung display co., ltd., Hyungseok LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, H10K59/122, H10K59/40
Abstract: a display device according to an embodiment includes a pixel electrode disposed on a substrate, a pixel defining layer disposed on the pixel electrode and including a pixel opening overlapping the pixel electrode, an encapsulation layer disposed on the pixel defining layer, a sensing electrode portion disposed on the encapsulation layer, a sensing insulating layer overlapping at least part of the sensing electrode portion, and an adhesive layer disposed on the sensing insulating layer. the sensing insulating layer includes a first region overlapping the sensing electrode portion, and a second region overlapping the pixel opening. a refractive index of the adhesive layer is less than a refractive index of the sensing insulating layer.
20240069661.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Kyungseop KIM of Hwaseong-si (KR) for samsung display co., ltd., Jung-Moo HONG of Seongnam-si (KR) for samsung display co., ltd., Jinbo SHIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, G06F3/044, H10K59/40
Abstract: a display device includes a display panel having a base surface and an input sensor, which is on the base surface. the input sensor may include a first sensing electrode and a second sensing electrode, which are respectively extended in a first direction and a second direction crossing each other, an insulating layer covering the first and second sensing electrodes, and a first conductive pattern and a second conductive pattern, which are on the insulating layer, are respectively overlapped with the first and second sensing electrodes, and are spaced from each other. it may be possible to suppress a noise issue in the input sensor and to improve touch sensitivity of the input sensor.
Inventor(s): Chang Bum KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041
Abstract: a touch sensor includes: a display panel to display an image, and including at least three touch sensing areas; at least one slave processor connected to a second touch sensing area from among the at least three touch sensing areas, and to generate touch coordinate data for the second touch sensing area; and a plurality of master processors connected to first and third touch sensing areas from among the at least three touch sensing areas, and to generate touch coordinate data for the first and third touch sensing areas, respectively. the at least one slave processor is to transmit the touch coordinate data for at least the second touch sensing area to any one of the plurality of master processors, or to another adjacent slave processor.
Inventor(s): Hyung Bae KIM of Yongin-si (KR) for samsung display co., ltd., Jeon Min KANG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, G06F3/044
Abstract: a touch detection module includes: first driving electrodes side by side; first detection electrodes intersecting the first driving electrodes; second driving electrodes on front surfaces of the first driving electrodes corresponding to the first driving electrodes with a touch insulating layer interposed therebetween; second detection electrodes on front surfaces of the first detection electrodes corresponding to the first detection electrodes with the touch insulating layer interposed therebetween; driving switching circuits electrically connecting the second driving electrodes to the respective first driving electrodes corresponding to each other or a low potential voltage source; detecting switching circuits electrically connecting the second detection electrodes to the respective first detection electrodes corresponding to each other or the low potential voltage source; and a touch driving circuit configured to supply touch driving signals to the first driving electrodes and to detect touch detection signals through the first detection electrodes to detect touch position coordinates.
Inventor(s): HYOJIN LEE of YONGIN-SI (KR) for samsung display co., ltd., SOONGYU LEE of YONGIN-SI (KR) for samsung display co., ltd., JINWOO KIM of YONGIN-SI (KR) for samsung display co., ltd., WOOMI BAE of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, G06F3/044
Abstract: a method of driving an input sensor to detect a proximity of a user includes driving the input sensor in a direct sensing mode, the input sensor including first sensing electrodes and second sensing electrodes insulated from the first sensing electrodes, and upon determining the user is engaged in a call, driving the input sensor in in a first proximity sensing mode by applying a driving signal to each of the first sensing electrodes. when the user has not performed the direct touch, and driving the input sensor in a second proximity sensing mode by applying no driving signal to a first subset of the first sensing electrodes and applying the driving signal to a second other subset of the first sensing electrodes, when the user has performed the direct touch.
20240069674.SENSOR DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jin Taek HONG of Yongin-si (KR) for samsung display co., ltd., Ja Seung KU of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/041, G06F3/044
Abstract: a sensor device includes: first sensors; second sensors which forms a capacitance with the first sensors; and a sensor driver which transmits driving signals to the first sensors through first sensor lines, and receives sensing signals from the second sensors through second sensor lines. the sensor driver sequentially transmits the driving signals to the first sensors, and transmits, during each period of transmitting the driving signals, an offset signal, which is identical in frequency to and different in phase from the driving signals, to at least one selected from first sensors which does not receive the driving signals among the first sensor. the sensor driver sets at least one selected from a slew rate and a voltage level of the offset signal to a value different from a corresponding value of a corresponding driving signal.
Inventor(s): Bugyoon Yoo of Yongin-si (KR) for samsung display co., ltd., Yunjae Kim of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G06F3/046, H10K59/126, H10K59/40, H10K59/65, H10K77/10
Abstract: a display device includes a display panel with a folding area between two non-folding areas. a window is on the display panel. a first adhesive layer is between the window and the display panel, and has a first thickness. a lower structure is under the display panel. the lower structure includes a first support layer overlapping the first non-folding area and the second-non-folding area, a digitizer under the first support layer, including a loop coil, and overlapping the first non-folding area and the second non-folding area, an electromagnetic shielding layer under the digitizer having a second thickness, a metal layer under the electromagnetic shielding layer, and an insulating second support layer under the metal layer. the first thickness is about 75 �m to about 100 �m, and the second thickness is about 30 �m to about 60 �m.
Inventor(s): JONGMAN BAE of YONGIN-SI (KR) for samsung display co., ltd., JUNDAL KIM of YONGIN-SI (KR) for samsung display co., ltd., HYUNSU KIM of YONGIN-SI (KR) for samsung display co., ltd., KYUNGYOUL MIN of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): G09G3/20, G06F3/041
Abstract: a transceiver includes a transmitter which transmits frame data through a first interface during a frame period including a vertical back porch period, a vertical active period, a vertical front porch period, and a variable vertical front porch period, and a receiver connected to the transmitter through the first interface and a second interface. the receiver transmits a start pulse of a synchronization signal to the transmitter through the second interface before starting transmission of the frame data. the transmitter transmits synchronization pulses of the synchronization signal to the receiver through the second interface during the variable vertical front porch period.
Inventor(s): JAE SHIN KIM of Seoul (KR) for samsung display co., ltd., INBOK SONG of Hwaseong-si (KR) for samsung display co., ltd., SUNG-YEOL BAEK of Anyang-si (KR) for samsung display co., ltd., KYUNGSU LEE of Hwaseong-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/20
Abstract: a display apparatus includes a display panel, an afterimage compensator and a data driver. the display panel displays an image. the afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. the data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.
Inventor(s): Sibeak Pyo of Yongin-si (KR) for samsung display co., ltd., Sungjin Kim of Yongin-si (KR) for samsung display co., ltd., Hyosang Yang of Yongin-si (KR) for samsung display co., ltd., Eunjung Oh of Yongin-si (KR) for samsung display co., ltd., Seungkyu Lee of Yongin-si (KR) for samsung display co., ltd., Yoongyu Lee of Yongin-si (KR) for samsung display co., ltd., Hyelim Lee of Yongin-si (KR) for samsung display co., ltd., Younwoo Choe of Yongin-si (KR) for samsung display co., ltd., Hyunseok Hong of Yongin-si (KR) for samsung display co., ltd., Younguk Hwang of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/20
Abstract: in a gamma voltage correction method for a display device including a first display area and a second display area, the gamma voltage correction method includes: correcting a gamma voltage for each sub-pixel of the first display area based on measured light characteristics of a first area of the first display area in a plurality of gray levels; and correcting a gamma voltage for each sub-pixel of the second display area based on measured light characteristics of a second area of the first display area around the second display area and measured light characteristics of the second display area in the plurality of gray levels.
20240071286.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): SEUNGHEE LEE of Yongin-si (KR) for samsung display co., ltd., JI-HYUN KA of Yongin-si (KR) for samsung display co., ltd., WONKYU KWAK of Yongin-si (KR) for samsung display co., ltd., MINKU LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/20, G09G3/3233
Abstract: a display device includes: a display panel including pixels; a data driver configured to output data voltages to the pixels; a gate driver configured to output a write gate signal to write the data voltages to the pixels having an inactivation level in a frame stop period; a timing controller configured to control the data driver and the gate driver; and a voltage generator configured to apply a first bias voltage to first pixels to which the data voltages are written before the frame stop period among the pixels, and to apply a second bias voltage to second pixels to which the data voltages are written after the frame stop period among the pixels.
Inventor(s): Keun Oh KANG of Yongin-si (KR) for samsung display co., ltd., Dae Sik Lee of Yongin-si (KR) for samsung display co., ltd., Si Duk Sung of Yongin-si (KR) for samsung display co., ltd., Sang Hyun Lee of Yongin-si (KR) for samsung display co., ltd., Song Yi Han of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/32
Abstract: a display device includes: a display panel; a driving voltage generator; a power voltage generator; an input voltage generator; and a timing controller. the display panel is provided with a pixel configured to emit light by using a driving voltage. the driving voltage generator is configured to supply the driving voltage to the pixel. the power voltage generator is configured to generate power voltages for driving of the display panel by using an input voltage, and generating an input voltage sensing value by sensing the input voltage. the input voltage generator is configured to supply the input voltage to the power voltage generator. the timing controller is configured to control an operation of at least one of the driving voltage generator, the power voltage generator, and the input voltage generator according to the input voltage sensing value.
20240071293.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Hyun Kyung SONG of YONGIN-SI (KR) for samsung display co., ltd., Jong Woong PARK of YONGIN-SI (KR) for samsung display co., ltd., Hye Sang PARK of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): G09G3/32
Abstract: a display device includes a display panel. the display panel includes sub-pixels. a driver converts first frame data corresponding to a first pixel arrangement of the sub-pixels into second frame data corresponding to a second pixel arrangement and provides data signals corresponding to second frame data to the sub-pixels having the second pixel arrangement. the driver includes a padding circuit and a rendering circuit. the padding circuit converts the first frame data into padding data by adding a padding value to at least one of a front end and a rear end of each line data of the first frame data. the rendering circuit generates the second frame data by applying a rendering filter to the padding data.
Inventor(s): Young Soo HWANG of Yongin-si (KR) for samsung display co., ltd., Hideo YOSHIMURA of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/32, G09G3/20
Abstract: a display device includes pixels connected to scan lines, control lines, data lines, and sensing lines; a scan driver configured to supply a scan signal to the scan lines and supply a control signal to the control lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a sensing circuit configured to sense the characteristics based on a sensing current supplied through the sensing lines during the sensing period; and a power supply configured to supply a voltage of first power to the pixels. the sensing period includes a first sensing period during which a first sensing current is extracted based on a first sensing data signal corresponding to a first grayscale, and a second sensing period during which a second sensing current is extracted based on a second sensing data signal corresponding to a second grayscale, and the voltage of the first power supplied during the first sensing period is different from the voltage of the first power supplied during the second sensing period.
Inventor(s): Jung Hwan HWANG of Seongnam-si (KR) for samsung display co., ltd., Hyun Joon KIM of Hwaseong-si (KR) for samsung display co., ltd., Kye Uk LEE of Seoul (KR) for samsung display co., ltd., Jun Ki JEONG of Yongin-si (KR) for samsung display co., ltd., Sang Jin JEON of Hwaseong-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/32
Abstract: a display device includes connection lines, pulse amplitude modulation (pam) data lines configured to receive pulse width modulation (pwm) data voltages, pwm data lines configured to receive the pwm data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the pwm data lines and the pam data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the pam data lines or to the pwm data lines according to the first connection control signal and the second connection control signal.
Inventor(s): YOON YOUNG LEE of Yongin-si (KR) for samsung display co., ltd., SUNGCHUN PARK of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3233, H02M3/145
Abstract: a dc-dc converter includes a first switching element, a second switching element, a first amplifier, a second amplifier, a pulse width modulation (pwm) controller, an output inductor and a power compensator. the second switching element is connected to the first switching element. the first amplifier outputs a first switching control signal to control the first switching element. the second amplifier outputs a second switching control signal to control the second switching element. the pwm controller generates a control signal applied to input terminals of the first amplifier and the second amplifier. the output inductor includes a first terminal connected to the first switching element and the second switching element and a second terminal outputting the pixel power supply voltage. the power compensator receives an input voltage and adjusts a power supply voltage applied to a power supply terminal of the first amplifier.
20240071305.DISPLAY APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Minjoo Kim of Yongin-si (KR) for samsung display co., ltd., Jihyun Ka of Yongin-si (KR) for samsung display co., ltd., Chulkyu Kang of Yongin-si (KR) for samsung display co., ltd., Soongi Kwon of Yongin-si (KR) for samsung display co., ltd., Sujin Kim of Yongin-si (KR) for samsung display co., ltd., Minwoo Byun of Yongin-si (KR) for samsung display co., ltd., Seoni Jeong of Yongin-si (KR) for samsung display co., ltd., Chaehan Hyun of Yongin-si (KR) for samsung display co., ltd., Sungchan Hwang of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3233, G09G3/3275
Abstract: provided is a display apparatus in which initialization and compensation of a pixel is implemented through a pixel including a thin film transistor connected to a node between a driving transistor and a light emitting diode.
Inventor(s): Yun JANG of Yongin-si (KR) for samsung display co., ltd., Yun Hee PARK of Yongin-si (KR) for samsung display co., ltd., Yi Seop SHIM of Yongin-si (KR) for samsung display co., ltd., Hyun Seung LEE of Yongin-si (KR) for samsung display co., ltd., Kyu Won JO of Yongin-si (KR) for samsung display co., ltd., Kyung Seon TAK of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3233, H10K59/124
Abstract: a display device according to one or more embodiments of the disclosure includes a pixel circuit layer including a base layer and circuit elements on the base layer; and a display layer on the pixel circuit layer. the display layer includes a first electrode on the pixel circuit layer; an insulating layer on the first electrode; a second electrode on the insulating layer; a light emitting stacked structure on the second electrode and including a first insulating layer, a second insulating layer, and a light emitting layer between the first insulating layer and the second insulating layer; and a third electrode on the light emitting stacked structure. the light emitting layer includes a two-dimensional material, is separated from the second electrode by the first insulating layer, and is separated from the third electrode by the second insulating layer.
Inventor(s): WONJUN LEE of Yongin-si (KR) for samsung display co., ltd., Cholho Kim of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3258, G09G3/3291
Abstract: a pixel including: a light emitting element; a first transistor including a first electrode, a second electrode electrically connected to the light emitting element, a gate electrode, and a body electrode; a second transistor connected between a first driving voltage line for receiving a first driving voltage and the first electrode of the first transistor and including a gate electrode for receiving a first emission control signal; a first circuit which provides a reference voltage to the gate electrode of the first transistor in response to a first scan signal and a second scan signal; and
20240071311.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Ki Nyeng KANG of Yongin-si (KR) for samsung display co., ltd., Guang Hai JIN of Yongin-si (KR) for samsung display co., ltd., Sun Kwang KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3258
Abstract: a display device includes: a substrate; a plurality of voltage lines extending parallel to each other on the substrate; and a voltage supplier connected to one side end of a plurality of voltage lines and configured to transmit a voltage to a plurality of voltage lines, wherein a density of the plurality of voltage lines decreases farther away from the voltage supplier.
Inventor(s): Ki Hyun PYUN of Yongin-si (KR) for samsung display co., ltd., Jin Won LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3266, G09G3/3291
Abstract: a display device for performing a sensing operation according to an embodiment of the present inventive concept includes a pixel unit including pixel circuits each including a light emitting element, a driving transistor, a switching transistor, and a sensing control transistor connected between an anode electrode and an initialization power source; a scan driver connected to the pixel circuits through horizontal lines and sequentially outputting scan signals and sensing control signals; and a sensing unit configured to sense voltages or current of first nodes each disposed between an anode electrode and a driving transistor. the scan driver simultaneously outputs the sensing control signals to the horizontal lines at every predetermined discharge cycle.
Inventor(s): Nackhyeon Keum of Yongin-si (KR) for samsung display co., ltd., Kimyeong Eom of Yongin-si (KR) for samsung display co., ltd., Kwangsae Lee of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3266
Abstract: provided is a gate driver including a plurality of stages, wherein each stage includes an output unit including a pull-up transistor and a pull-down transistor, and a second node controller configured to control a voltage of a second control node to which a gate of the pull-up transistor is connected, wherein the second node controller includes a first control transistor connected between the first clock terminal and the second control node and including a gate connected to the first control node, and a second control transistor including a gate connected to the gate of the first control transistor and configured to control a short circuit between the first clock terminal and a second clock terminal.
20240071316.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Kyong Tae PARK of Yongin-si (KR) for samsung display co., ltd., Sung Jun KIM of Yongin-si (KR) for samsung display co., ltd., Jun Yeong SEOL of Yongin-si (KR) for samsung display co., ltd., Jae Bok LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3266, G09G3/00, G09G3/3275
Abstract: a display device includes: a display panel including a display area including pixels and a non-display area including a dummy pixel; a scan driver which supplies a scan signal to the display panel; a data driver which supplies a data signal to the display panel; and a timing controller which supplies a first control signal for controlling the scan driver and a second control signal for controlling the data driver. the dummy pixel is connected to a bad pixel among the pixels in the display area through a repair line, and a connection of the dummy pixel to the repair line is cut off in an initialization phase in which a voltage of an initialization power source is supplied.
20240071317.DISPLAY APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Gyungsoon PARK of Yongin-si (KR) for samsung display co., ltd., Sunhwa LEE of Yongin-si (KR) for samsung display co., ltd., Hyunjoon KIM of Yongin-si (KR) for samsung display co., ltd., Jaeyong JANG of Yongin-si (KR) for samsung display co., ltd., Kyunghoon CHUNG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/3266, G09G3/36, H10K59/121, H10K59/123, H10K59/131
Abstract: a display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.
Inventor(s): Su Jung HUH of Yongin-si (KR) for samsung display co., ltd., Young Soo HWANG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): G09G3/36, G02F1/1333, G02F1/1343, G06F3/041, G06F3/044, H04N13/359
Abstract: a display device includes a display panel, a first electrode layer on the display panel, a liquid crystal layer on the first electrode layer, a second electrode layer on the liquid crystal layer, and a lens layer on the second electrode layer. the second electrode layer includes first sensors and second sensors forming a capacitance with each other, a first period includes a first frame period and a second frame period, a first voltage level of a first voltage applied to the first electrode layer during the first frame period is less than a second voltage level applied to the first electrode layer during the second frame period, and a first average voltage level of driving signals applied to the first sensors during the first frame period is less than a second average voltage level of the driving signals during the second frame period.
Inventor(s): Mann Ho CHO of Seoul (KR) for samsung display co., ltd., Kwang Sik JEONG of Seoul (KR) for samsung display co., ltd., Hyeon Sik KIM of Gumi-si (KR) for samsung display co., ltd., Hyun Eok SHIN of Gwacheon-si (KR) for samsung display co., ltd., Byung Soo SO of Yongin-si (KR) for samsung display co., ltd., Ju Hyun LEE of Seongnam-si (KR) for samsung display co., ltd.
IPC Code(s): H01L21/02
Abstract: a method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.
Inventor(s): Jeongho Lee of Yongin-si (KR) for samsung display co., ltd., Seunglyong Bok of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L25/075, H01L25/16, H01L33/62
Abstract: a display panel includes a substrate including first and second areas spaced apart from each other, and a first display area surrounding the first area and the second area, a plurality of first light-emitting diodes in the first display area and respectively electrically connected to a plurality of first sub-pixel circuits, a plurality of second light-emitting diodes in the first area, a plurality of second sub-pixel circuits respectively electrically connected to the plurality of second light-emitting diodes, and a groove surrounding the second area and having an undercut shape, wherein the substrate includes a first base layer, a first barrier layer, a second base layer, and a second barrier layer, and further includes a concave portion in a region between two adjacent second light-emitting and recessed into the second barrier layer and the second base layer, and a hole in the second area and penetrating through the substrate.
20240072016.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Do Yeong PARK of Yongin-si (KR) for samsung display co., ltd., Dong Hee SHIN of Yongin-si (KR) for samsung display co., ltd., Kyung Bae KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L25/075, H01L25/16, H01L33/50, H01L33/62
Abstract: a display device includes a substrate including a display area including pixels, and a dummy area including dummy pixels, a pixel circuit layer including a transistor, and a via layer above the transistor, bank patterns above the via layer, light-emitting elements between the bank patterns in plan view, a first bank above a portion of the bank patterns, a second bank above the first bank, and including an edge bank defining an outermost boundary of the dummy area, covering an inner side of an edge bank pattern of the bank patterns overlapping the edge bank, and covering an inner side of a portion of the first bank that overlaps the edge bank, the first bank and the second bank partitioning emission areas and dummy opening areas, and a light conversion layer in the emission areas and in the dummy opening areas, which correspond to openings of the second bank.
20240072027.METHOD OF FABRICATING DISPLAY PANEL_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jeong Won HAN of Yongin-si (KR) for samsung display co., ltd., Won Hee OH of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L25/16, H01L21/67, H01L21/683, H01L23/00
Abstract: the present disclosure may provide a method of fabricating a display panel, the method includes picking up, by a transfer head, a transfer member located on a support member, detaching a light-emitting element from a donor substrate by attaching the transfer member picked up by the transfer head to the light-emitting element on the donor substrate to lift the light-emitting element, aligning, by the transfer head, the light-emitting element attached to the transfer member on a circuit board, and detaching the transfer member from the transfer head, bonding the light-emitting element attached to the transfer member onto the circuit board and separating, by the transfer head, the transfer member from the light-emitting element bonded to the circuit board to remove the transfer member.
Inventor(s): Ji Hye LEE of Yongin-si (KR) for samsung display co., ltd., Kyung Bae KIM of Yongin-si (KR) for samsung display co., ltd., Dong Woo KIM of Yongin-si (KR) for samsung display co., ltd., Do Yeong PARK of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L27/15, G09G3/32, H01L33/24, H01L33/44, H01L33/50
Abstract: a display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.
Inventor(s): KI JUNE LEE of YONGIN-SI (KR) for samsung display co., ltd., JUNG HA SON of YONGIN-SI (KR) for samsung display co., ltd., TAE SUNG KIM of YONGIN-SI (KR) for samsung display co., ltd., JAE IK LIM of YONGIN-DI (KR) for samsung display co., ltd., HYUN MIN CHO of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): H01L31/0216, H01L27/144, H01L27/146
Abstract: an optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. the barrier layer is spaced apart from the first electrode.
20240072197.MANUFACTURING METHOD OF DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jong Suk LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/00
Abstract: a manufacturing method of a display device includes providing a guide film wound around a first roller, positioning an attachment area of the guide film to overlap a display panel, bonding the guide film and the display panel, positioning the display panel bonded to the guide film to overlap a cover window, bonding the display panel and the cover window, separating the guide film from the display panel, and winding the guide film around a second roller by at least an area corresponding to the attachment area.
20240072216.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Ji Wook MOON of Yongin-si (KR) for samsung display co., ltd., Byung Choon YANG of Yongin-si (KR) for samsung display co., ltd., Ki Seong SEO of Yongin-si (KR) for samsung display co., ltd., Joo Woan CHO of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/50, H01L25/075, H01L27/15, H01L33/58
Abstract: a display device comprises a substrate including a plurality of light emitting areas, a partition wall portion provided on the substrate and partitioning the plurality of light emitting areas, and a plurality of light emitting parts provided on the substrate and respectively corresponding to the plurality of light emitting areas, wherein at least one of the plurality of light emitting parts includes a light emitting element provided on the substrate, and a first color conversion layer covering the light emitting element and including first inorganic particles, and the first inorganic particles include nd(si, ti, ge)o.
Inventor(s): Tae Jin KONG of Yongin-si (KR) for samsung display co., ltd., Myeong Hee KIM of Yongin-si (KR) for samsung display co., ltd., Seul Ki KIM of Yongin-si (KR) for samsung display co., ltd., Ji Eun PARK of Yongin-si (KR) for samsung display co., ltd., Myeong Su SO of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/50, H01L25/075, H01L33/10, H01L33/38, H01L33/44
Abstract: the present disclosure provides a display device and a method for fabricating the same. according to one or more embodiments, a display device includes a substrate, pixel electrodes above the substrate, light-emitting elements above the pixel electrodes, extending in a thickness direction of the substrate, and having a polyhedral shape in the thickness direction, a width of a middle portion of the polyhedral shape being greater than a width of an upper portion of the polyhedral shape and greater than a width of a lower portion of the polyhedral shape, and a common electrode above the light-emitting elements.
20240072224.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): JUNHYUN LEE of Yongin-si (KR) for samsung display co., ltd., DONG-HO KIM of Yongin-si (KR) for samsung display co., ltd., HAEGOO JUNG of Yongin-si (KR) for samsung display co., ltd., JOOHO LIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/62, H01L25/16, H01L27/12
Abstract: a display device includes: a substrate including a display area and a non-display area positioned around the display area and including a pad area adjacent to one side of the display area, a light emitting element disposed in the display area on the substrate, a pad portion disposed in the pad area on the substrate and including a plurality of output pads, a driving chip, and a control signal line. the driving chip includes a base portion facing the substrate, overlapping the pad area, and including dummy bump areas, an output bump area positioned between the dummy bump areas, and a data output area positioned between the dummy bump areas, a plurality of dummy bumps attached to a lower surface of the base portion and overlapping the dummy bump areas and the output bump area, respectively, a plurality of output bumps attached to the lower surface of the base portion, overlapping the output bump area, and connected in parallel to each other through transistors, and a plurality of detection bumps attached to the lower surface of the base portion, each of the detection bumps is electrically connected to the output bumps and overlapping the output bump area. the control signal line electrically connected through the transistors to the output bumps.
Inventor(s): Won Jun LEE of Yongin-si (KR) for samsung display co., ltd., Dong Woo KIM of Yongin-si (KR) for samsung display co., ltd., Do Yeong PARK of Yongin-si (KR) for samsung display co., ltd., Se Hyun LEE of Yongin-si (KR) for samsung display co., ltd., Kwi Hyun KIM of Yongin-si (KR) for samsung display co., ltd., Min Gyeong SHIN of Yongin-si (KR) for samsung display co., ltd., Jin Joo HA of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/62, H01L25/16, H01L33/48
Abstract: a display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.
20240072229.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Myeong Hun SONG of Yongin-si (KR) for samsung display co., ltd., Jang Soon PARK of Yongin-si (KR) for samsung display co., ltd., Sung Geun BAE of Yongin-si (KR) for samsung display co., ltd., Tae Hee LEE of Yongin-si (KR) for samsung display co., ltd., Hyun Wook LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H01L33/62, H01L25/075, H01L33/38
Abstract: a display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.
Inventor(s): Jin Hwan CHOI of Seoul (KR) for samsung display co., ltd., Beomjin KIM of Asan-si (KR) for samsung display co., ltd., Jonghwa LEE of Hwaseong-si (KR) for samsung display co., ltd., Dongwon CHOI of Seoul (KR) for samsung display co., ltd., Taewoong KIM of Seongnam-si (KR) for samsung display co., ltd.
IPC Code(s): H05K5/02, G06F1/16, H05K5/03
Abstract: a rollable display device including: a support module; a display module disposed on the support module and including a display area and a non-display area adjacent to the display area; and a resin layer disposed between the support module and the display module, the display module including a display panel including a plurality of pixels, the support module including: a plurality of support bars extending in a first direction and arranged in a second direction crossing the first direction, wherein the support bars are spaced apart from each other; and a plurality of hinges disposed between the support bars and coupled with the support bars disposed adjacent thereto, and wherein each of the support bars is rotatably coupled with the hinges with respect to a driving axis extending in the first direction and the driving axis penetrates the display panel when viewed in a cross-section.
Inventor(s): Se Yong KIM of Yongin-si (KR) for samsung display co., ltd., MYOUNG HO LIM of Ansan-si (KR) for samsung display co., ltd., SEOUNG JUN LEE of Uiwang-si (KR) for samsung display co., ltd.
IPC Code(s): H05K5/02, F16C11/04
Abstract: a hinge includes a first shaft and a second shaft that are parallel to each other, first and third arms rotatably coupled to the first shaft and including first and third rotary cams, second and fourth arms rotatably coupled to the second shaft and including second and fourth rotary cams, a first sliding part coupled to the first and second shafts to be movable along the first and second shafts and including a first sliding cam facing the first rotary cam and a second sliding cam facing the second rotary cam, a second sliding part coupled to the first and second shafts to be movable along the first and second shafts and including a third sliding cam facing the third rotary cam and a fourth sliding cam facing the fourth rotary cam, and an elastic member disposed between the first sliding part and the second sliding part.
20240074228.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): SEUNGHUN KIM of YONGIN-SI (KR) for samsung display co., ltd., SOOYOUN KIM of YONGIN-SI (KR) for samsung display co., ltd., WOOYONG SUNG of YONGIN-SI (KR) for samsung display co., ltd., SEUNGHO YOON of YONGIN-SI (KR) for samsung display co., ltd., MOONWON CHANG of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): H10K50/844, H10K50/84, H10K50/842, H10K77/10
Abstract: a display device includes a substrate, a circuit layer on the substrate, a display layer on the circuit layer, at least one hole in a display area of the substrate that penetrates the substrate, the circuit layer, and the display layer, and at least two grooves that surround the at least one hole, where each of the at least two grooves has an undercut structure. the substrate includes a first substrate, a first inorganic layer, a second substrate, and a second inorganic layer, which are sequentially stacked, and each of the at least two grooves extends down from the display layer into the second substrate.
20240074232.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): SOLA LEE of Yongin-si (KR) for samsung display co., ltd., KIYOUNG KIM of Yongin-si (KR) for samsung display co., ltd., JONGSEOK KIM of Yongin-si (KR) for samsung display co., ltd., DONGHYUN SON of Yongin-si (KR) for samsung display co., ltd., JINGOO JUNG of Yongin-si (KR) for samsung display co., ltd., KYUNG HYUN CHOI of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/121, H10K59/65
Abstract: a display device includes: a substrate including a first display area including a plurality of first pixel areas and a plurality of transmission areas, and a second display area including a plurality of second pixel areas; a light blocking layer disposed in the first and second display areas on the substrate, wherein an opening overlapping each of the transmission areas is defined through the light blocking layer, and the opening has a planar shape including at least two adjacent curves having different radii of curvature from each other; and a plurality of pixels respectively disposed in the first and second pixel areas on the light blocking layer and each including a light emitting element.
Inventor(s): SANGJIN PARK of Yongin-si (KR) for samsung display co., ltd., MINSANG KIM of Yongin-si (KR) for samsung display co., ltd., SANGHYUK LEE of Yongin-si (KR) for samsung display co., ltd., MINGYU JUNG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/121, H01L29/786, H10K59/12
Abstract: a display panel of the inventive concept includes a light emitting element, a pixel circuit including a first transistor and electrically connected to the light emitting element, and a first insulating layer. the first transistor includes a first semiconductor pattern arranged under the first insulating layer and including a first source region, a first drain region, and a first channel region arranged between the first source region and the first drain region, and a first gate arranged on the first insulating layer and overlapping the first channel region. the first insulating layer includes a first region overlapping a normal region of the first gate and the first source region, and a second region which overlaps a protruding region of the first gate, has a thickness greater than that of the first region, and is disposed close to the first drain region than the first region.
Inventor(s): KYONG-CHOL LEE of Yongin-si (KR) for samsung display co., ltd., YUNJONG YEO of Yongin-si (KR) for samsung display co., ltd., TAESUNG KIM of Yongin-si (KR) for samsung display co., ltd., HYUNMIN CHO of Yongin-si (KR) for samsung display co., ltd., YEONHONG KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/121, H10K59/12, H10K71/00, H01L29/786, H01L29/423, H01L29/66
Abstract: a display device includes a first transistor including a first active pattern including a first oxide semiconductor, and a first gate electrode which is on the first active pattern, a second transistor including a second active pattern including a second oxide semiconductor different from the first oxide semiconductor, and a second gate electrode which is on the second active pattern, a first gate insulating pattern between the second active pattern and the second gate electrode, a second gate insulating pattern facing the first gate insulating pattern with the second active pattern therebetween, and a third gate insulating pattern between the first active pattern and the first gate electrode, the third gate insulating pattern directly contacting the first active pattern and the first gate electrode.
20240074239.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): XINXING LI of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, G09G3/3233, H10K59/12
Abstract: a display device includes a substrate including a pixel area and a non-pixel area adjacent to the pixel area, a planarization layer disposed on the substrate and including a plurality of protrusions each having a planar shape surrounding a center of the pixel area, a pixel electrode disposed on the planarization layer and overlapping the pixel area, a pixel defining layer disposed on the planarization layer, overlapping the non-pixel area, and exposing a portion of the pixel electrode, a lower light emitting layer disposed on the pixel electrode, a charge generation layer disposed on the lower light emitting layer, and an upper light emitting layer disposed on the charge generation layer.
20240074241.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): SEUNGHAN KIM of Yongin-si (KR) for samsung display co., ltd., HYUN-GUE SONG of Yongin-si (KR) for samsung display co., ltd., SANG MIN HONG of Yongin-si (KR) for samsung display co., ltd., HEESEONG JEONG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, H10K59/80
Abstract: a display device includes: a base layer; a pixel defining film on the base layer; a light emitting element including a light emitting layer in an opening in the pixel defining film; a capping layer on the light emitting element; and an encapsulation layer on the capping layer. the encapsulation layer includes: a first optical layer on the capping layer; a second optical layer on the first optical layer; and a stabilization layer on the second optical layer. a thickness of the stabilization layer is greater than a thickness of the first optical layer and a thickness of the second optical layer. a refractive index of the capping layer is higher than a refractive index of the first optical layer, and a refractive index of the second optical layer is higher than the refractive index of the first optical layer and a refractive index of the stabilization layer.
20240074242.DISPLAY APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Donghyeon Jang of Yongin-si (KR) for samsung display co., ltd., Wonse Lee of Yongin-si (KR) for samsung display co., ltd., Yujin Jeon of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, G09G3/3233, H10K59/131
Abstract: a display apparatus includes: a substrate including: a first auxiliary pixel area; a second auxiliary pixel area adjacent to the first auxiliary pixel area; a third auxiliary pixel area adjacent to the first auxiliary pixel area; and a transmission area between the first auxiliary pixel area and the second auxiliary pixel area, and between the first auxiliary pixel area and the third auxiliary pixel area; a pixel-defining layer including: a first auxiliary opening in the first auxiliary pixel area; a second auxiliary opening in the second auxiliary pixel area; and a third auxiliary opening in the third auxiliary pixel area; an auxiliary connection wiring under the first, second, or third auxiliary pixel electrodes, and extending from the first auxiliary pixel area, the second auxiliary pixel area, or the third auxiliary pixel area to the transmission area; and an organic layer at the transmission area.
20240074243.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Ji-hun RYU of Hwaseong-si (KR) for samsung display co., ltd., IINam KIM of Hwaseong-si (KR) for samsung display co., ltd., Jae-Kyoung KIM of Hwaseong-si (KR) for samsung display co., ltd., WonSang PARK of Yongin-si (KR) for samsung display co., ltd., Eunjin SUNG of Yongin-si (KR) for samsung display co., ltd., SEONGRYONG LEE of Hwaseong-si (KR) for samsung display co., ltd., Jonghyun LEE of Suwon-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, H10K50/844, H10K59/35, H10K59/38, H10K59/40
Abstract: a display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. the non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. a functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. an element layer is disposed on the functional layer. a pixel definition layer is disposed on the element layer and overlaps the non-pixel area. the pixel definition layer includes pixel openings defined therethrough. the pixel openings overlap the plurality of pixel areas. a plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
Inventor(s): JEONGSEOK LEE of Yongin-si (KR) for samsung display co., ltd., TAEWOOK KANG of Yongin-si (KR) for samsung display co., ltd., WOO YONG SUNG of Yongin-si (KR) for samsung display co., ltd., SEUNGYONG SONG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, H10K59/12, H10K59/80, H10K71/20, H10K102/00
Abstract: a display panel includes a base layer, a first lower electrode, a first sacrificial pattern layer defining a first lower opening exposing a portion of an upper surface of the first lower electrode, an insulating layer covering a portion of the first sacrificial pattern layer and defining a first emission opening overlapping the first lower opening, a conductive bank defining a first upper opening overlapping the first emission opening, a first emission pattern layer disposed inside the first lower opening, the first emission opening, and the first upper opening and on the first lower electrode, and a first upper electrode disposed on the first emission pattern layer and in contact with an inner surface of the conductive bank defining the first upper opening, and a thickness of the first emission pattern layer is greater than a sum of a thickness of the first sacrificial pattern layer and a thickness.
20240074246.ELECTRONIC DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): KYUNG HYUN CHOI of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/122, G06F1/16, H04M1/02, H10K59/121, H10K59/80
Abstract: an electronic device includes a display panel including a first region including a transmissive region and an element region and a second region spaced apart from the first region. the display panel includes a base layer, a circuit layer that is disposed on the base layer and that includes a pixel circuit and a barrier wall disposed in the element region, an element layer that is disposed on the circuit layer and that includes a plurality of light emitting elements and a pixel defining film, and an encapsulation layer disposed on the element layer. the pixel defining film includes a pixel defining pattern disposed in the element region and a pixel defining layer disposed in the second region, and a side surface of the pixel defining pattern is in contact with a side surface of the barrier wall.
Inventor(s): Yang-Ho JUNG of Yongin-si (KR) for samsung display co., ltd., Woong Sik KIM of Yongin-si (KR) for samsung display co., ltd., Kab Jong SEO of Yongin-si (KR) for samsung display co., ltd., Jun Ho SIM of Yongin-si (KR) for samsung display co., ltd., Jae Hun LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/123, H10K59/12, H10K59/80, H10K71/60
Abstract: the present disclosure relates to a display device and a manufacturing method thereof, and a display device according to one or more embodiments includes a substrate, a transistor above the substrate, a first pixel electrode connected to the transistor, a scattering layer above the first pixel electrode, and defining repeating protrusions and depressions, a second pixel electrode above the scattering layer, and connected with the first pixel electrode, an emission layer above the second pixel electrode, and a common electrode above the emission layer.
Inventor(s): Donghyun Son of Yongin-si (KR) for samsung display co., ltd., Sola Lee of Yongin-si (KR) for samsung display co., ltd., Kiyoung Kim of Yongin-si (KR) for samsung display co., ltd., Jongseok Kim of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/124, H10K59/12
Abstract: a display apparatus includes a substrate including a component area including a transmission area, a main area outside the component area, and a bending area bent based on a bending axis, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer, and a first gate insulating layer overlapping the first semiconductor layer and including a 1-1opening corresponding to the bending area, and a 1-1through-hole exposing a portion of the first semiconductor layer. a first acute angle formed by an inner surface of the 1-1opening with respect to an upper surface of the substrate is less than a first contact acute angle formed by an inner surface of the 1-1through-hole with respect to the upper surface of the substrate.
Inventor(s): Wan Jung KIM of Yongin-si (KR) for samsung display co., ltd., Dong Jo KIM of Yongin-si (KR) for samsung display co., ltd., Sun Hwa KIM of Yongin-si (KR) for samsung display co., ltd., Young Ji KIM of Yongin-si (KR) for samsung display co., ltd., Chang Sik KIM of Yongin-si (KR) for samsung display co., ltd., Kyung Ah NAM of Yongin-si (KR) for samsung display co., ltd., Hyo Young MUN of Yongin-si (KR) for samsung display co., ltd., Yong Seung PARK of Yongin-si (KR) for samsung display co., ltd., Yi Seul UM of Yongin-si (KR) for samsung display co., ltd., Dae Sang YUN of Yongin-si (KR) for samsung display co., ltd., Kwan Hee LEE of Yongin-si (KR) for samsung display co., ltd., So Young LEE of Yongin-si (KR) for samsung display co., ltd., Young Hoon LEE of Yongin-si (KR) for samsung display co., ltd., Young Seo CHOI of Yongin-si (KR) for samsung display co., ltd., Sun Young KIM of Yongin-si (KR) for samsung display co., ltd., Ji Won SOHN of Yongin-si (KR) for samsung display co., ltd., Do Young LEE of Yongin-si (KR) for samsung display co., ltd., Seung Hoon LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/131, H10K59/65, H10K59/80, H10K71/00, H10K77/10
Abstract: an electronic device includes a display device, which may be fabricated using a described method. the display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. a minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 �m or less.
20240074259.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): JONG-HWA KIM of Yongin-si (KR) for samsung display co., ltd., IL-JOO KIM of Yongin-si (KR) for samsung display co., ltd., CHANGHO LEE of Yongin-si (KR) for samsung display co., ltd., HWAN-HEE JEONG of Yongin-si (KR) for samsung display co., ltd., WONJUN CHOI of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/131
Abstract: a display device includes a base substrate including a first area, a second area, and a third area between the first and second areas and bendable to a degree, insulating layers on the base substrate, a signal line overlapping the first to third areas and including a first line portion in the first area, a second line portion in the first area, the second area, and the third area and on a layer different from the first line portion, and a first connection portion in the first area and on a layer different those of the first and second line portions, wherein the second line portion is connected to a second portion of the first connection portion via a single second contact hole defined in an insulating layer between the second line portion and the second portion of the first connection portion, the insulating layer being an organic layer.
20240074260.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): KYONG TAE PARK of Suwon-si (KR) for samsung display co., ltd., CHUL-HWAN PARK of Asan-si (KR) for samsung display co., ltd., SUN-KYO JUNG of Cheonan-si (KR) for samsung display co., ltd., SUNG HO CHO of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): H10K59/131, H10K50/844, H10K71/70
Abstract: a display device includes a substrate, a display area disposed on the substrate and including a plurality of pixels and data lines, a peripheral area disposed outside the display area of the substrate, a pad portion disposed in the peripheral area, an encapsulation layer disposed in the peripheral area and the display area, and disposed on the plurality of pixels of the display area, a crack detection circuit disposed in the peripheral area, and a first crack detection line connected with the pad portion and the crack detection circuit. the first crack detection line is disposed on the encapsulation layer.
20240074261.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Sun Ho KIM of Seongnam-si (KR) for samsung display co., ltd., Gun Hee KIM of Seoul (KR) for samsung display co., ltd., Dong Hwan SHIM of Hwaseong-si (KR) for samsung display co., ltd., Tae Hoon YANG of Yongin-si (KR) for samsung display co., ltd., Sun Hee LEE of Hwaseong-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/131, H10K59/121
Abstract: a display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. the conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.
Inventor(s): Wonse LEE of Yongin-si (KR) for samsung display co., ltd., Wonkyu KWAK of Yongin-si (KR) for samsung display co., ltd., Jintae JEONG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/131, H10K50/844, H10K59/00
Abstract: a display panel includes a substrate having a first area and a second area, a non-display area surrounding the first area and the second area, and a display area surrounding the non-display area, a plurality of display elements arranged in the display area, and a plurality of signal lines electrically connected to the plurality of display elements, wherein the plurality of signal lines includes a first signal line and a second signal line neighboring each other and extending in a first direction, wherein the first signal line bypasses in the non-display area along a first side of the first area, and the second signal line bypasses in the non-display area along a second side of the first area, and wherein the first and second signal lines are asymmetrical with respect to a virtual central line through a center of the first area in the first direction.
20240074270.LIGHT-EMITTING DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Pyungeun Jeon of Yongin-si (KR) for samsung display co., ltd., Yoojin Sohn of Yongin-si (KR) for samsung display co., ltd., Juwon Lee of Yongin-si (KR) for samsung display co., ltd., Wonjong Kim of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/35, H10K50/11
Abstract: a light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.
Inventor(s): Da-Hee JEONG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/35, G06V40/13, H10K59/65, H10K71/16
Abstract: a display device according to an embodiment includes blue pixels, red pixels, green pixels, and optical sensing pixels disposed on a substrate, wherein a first group of the optical sensing pixels are disposed in a same line in a second direction, a second group comprising a group of the red pixels, a group of the optical sensing pixels, and a group of the blue pixels are disposed in a same line in a first direction that is perpendicular to the second direction, and a distance between a first of the blue pixels and a first of the red pixels disposed with a first of the optical sensing pixels therebetween is longer than a distance between the first of the blue pixels and a second of the red pixels without the optical sensing pixel therebetween.
Inventor(s): DA-HEE JEONG of Yongin-si (KR) for samsung display co., ltd., DUCKJUNG LEE of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/35, H10K39/34, H10K59/12
Abstract: a display panel includes a first unit pixel, and a second unit pixel adjacent to each other in a first direction. the first unit pixel includes a first light receiving device, a (1-1)-th to a (1-4)-th light emitting device disposed in a first and a second diagonal direction, a (1-5)-th and a (1-6)-th light emitting device disposed in the first direction, and a (1-7)-th and a (1-8)-th light emitting device disposed in the second direction from the first light receiving device. the second unit pixel includes a second light receiving device, a (2-1)-th to a (2-4)-th light emitting device disposed in the first and the second diagonal direction, a (2-5)-th and a (2-6)-th light emitting device disposed in the second direction, and a (2-7)-th and a (2-8)-th light emitting device disposed in the first direction from the second light receiving device.
Inventor(s): Da-Hee JEONG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/35, G06V40/13, H10K39/34, H10K59/12
Abstract: a display device according to an embodiment includes a plurality of blue pixels, a plurality of red pixels, a plurality of green pixels, and a plurality of optical sensing pixels that are positioned on a substrate, wherein one of the plurality of optical sensing pixels is positioned between two of the plurality of green pixels in a first direction, and one of the optical sensing pixels is positioned between two of the plurality of green pixels in a second direction that is perpendicular to the first direction.
Inventor(s): Sujeong KIM of YONGIN-SI (KR) for samsung display co., ltd., Jina SEO of YONGIN-SI (KR) for samsung display co., ltd., Seokgyu YOON of YONGIN-SI (KR) for samsung display co., ltd., Yunho LEE of YONGIN-SI (KR) for samsung display co., ltd., Jinsoo JUNG of YONGIN-SI (KR) for samsung display co., ltd.
IPC Code(s): H10K59/38, H10K59/60, H10K59/80, H10K71/00
Abstract: a display apparatus includes a substrate. a light-emitting element is disposed on the substrate. the light-emitting element emits light. a photodetector is disposed on the substrate. the photodetector detects light. a light-blocking layer includes a first hole and a second hole. the first hole is disposed above the light-emitting element. the second hole is disposed above the photodetector. a first color filter is disposed to cover the first hole. a second color filter is disposed to cover the second hole. a third color filter is arranged to overlap a portion of the second hole.
Inventor(s): Youngdo KIM of Cheonan-si (KR) for samsung display co., ltd., Hoonsik KIM of Seongnam-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/38, H10K50/86, H10K71/00
Abstract: a method of manufacturing a display device includes providing a display substrate divided into a plurality of emission regions, and a non-emission region adjacent the emission regions; forming a black matrix on the display substrate, the black matrix corresponding to the non-emission region; and forming a plurality of color patterns on the display substrate through a solution process, the plurality of color patterns corresponding to the emission regions.
20240074280.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): SEUNG-LYONG BOK of Yongin-si (KR) for samsung display co., ltd., KICHEOL KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/40, G06F3/041, G06F3/044, H10K59/122, H10K59/131, H10K59/80, H10K59/88
Abstract: a display device, which includes a display panel including a plurality of first light emitting devices, a plurality of second light emitting devices, a plurality of third light emitting devices, and an input sensing part disposed on the display panel and including sensing parts. a distance between a first light emitting device, of the plurality of first light emitting devices, and an third light emitting device, of the plurality of third light emitting devices, is greater than a distance between the first light emitting device and an adjacent second light emitting device, of the plurality of second light emitting devices, and a width of a sensing part disposed between the first and third light emitting devices adjacent to each other is greater than a width of a sensing part disposed between the first and second light emitting devices adjacent to each other.
20240074284.DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Sun Ho KIM of Yongin-si (KR) for samsung display co., ltd., Sun Hee LEE of Yongin-si (KR) for samsung display co., ltd., Gun Hee KIM of Yongin-si (KR) for samsung display co., ltd., Dong Hwan SHIM of Yongin-si (KR) for samsung display co., ltd., Yoo Min KO of Yongin-si (KR) for samsung display co., ltd., Chea Eun KIM of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/65, G01S17/04, H10K50/86, H10K59/121, H10K59/122, H10K59/131, H10K59/38, H10K59/40, H10K59/88
Abstract: a display device includes: a display panel including a first region including a transmissive part configured to transmit light provided from the outside and a second region not including the transmissive part; and a sensor overlapping with the transmissive part, and configured to obtain electrical information based on information provided from the outside, wherein the display panel includes: a thin film transistor layer including a plurality of transistors; a pixel defining layer defining an emission region of a plurality of pixels; and a light blocking layer on the pixel defining layer, and defining the transmissive part, and wherein the pixel defining layer in the first region covers at least a portion of the thin film transistor layer such that light provided through the transmissive part is blocked.
Inventor(s): HYUNEOK SHIN of Yongin-si (KR) for samsung display co., ltd., TAEWOOK KANG of Yongin-si (KR) for samsung display co., ltd., SUNGJOO KWON of Yongin-si (KR) for samsung display co., ltd., JOONYONG PARK of Yongin-si (KR) for samsung display co., ltd., JUHYUN LEE of Yongin-si (KR) for samsung display co., ltd., CHANGHEE LEE of Yongin-si (KR) for samsung display co., ltd., SAMTAE JEONG of Yongin-si (KR) for samsung display co., ltd., YUNG BIN CHUNG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/80, H10K59/12, H10K59/121, H10K59/122, H10K59/124, H10K71/20, H10K71/60
Abstract: a display device includes a circuit layer and a display element layer on the circuit layer. the display element layer includes a light-emitting element and a pixel-defining film, through which a pixel opening is defined, and the light-emitting element includes a first electrode exposed through the pixel opening, a second electrode disposed opposite to the first electrode, and a light-emitting layer disposed between the first electrode and the second electrode. the first electrode includes a metal layer and a graphene layer disposed on an upper surface of the metal layer, and the metal layer and the graphene layer each have a hexagonal closed packed structure.
Inventor(s): SEUNG-KYU LEE of Yongin-si (KR) for samsung display co., ltd., YONGSIK HWANG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/80, H10K59/121, H10K59/131, H10K71/16, H10K71/20
Abstract: provided is a display device comprising a substrate including a pixel area and a non-pixel area adjacent to the pixel area, an inorganic layer disposed on the substrate and having a through hole overlapping the non-pixel area, a light emitting element disposed in the pixel area on the inorganic layer, and an organic layer filing the through hole and having an upper surface positioned at substantially a same level as an upper surface of the inorganic insulating layer based on a surface of the substrate.
Inventor(s): Younggu Kim of Yongin-si (KR) for samsung display co., ltd., Sunghan Kim of Yongin-si (KR) for samsung display co., ltd., Duckjong Suh of Yongin-si (KR) for samsung display co., ltd., Bongsung Seo of Yongin-si (KR) for samsung display co., ltd., Seunghee Lee of Yongin-si (KR) for samsung display co., ltd., Baekkyun Jeon of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/80, H10K71/10
Abstract: a display apparatus and a method of manufacturing the same, which may improve light efficiency degradation caused by a surface plasmon generated on a cathode electrode. the display apparatus may include a substrate, a plurality of pixel electrodes on the substrate, an emission layer above each of the plurality of pixel electrodes, an opposite electrode above the emission layer to correspond to the plurality of pixel electrodes, wherein the opposite electrode is a single body, a first passivation layer on the opposite electrode and having a thickness less than the size of a wavelength of visible light generated from the emission layer, and a conductive layer on the first passivation layer and including a through-pattern having a preset shape.
Inventor(s): Jong Ho SON of Yongin-si (KR) for samsung display co., ltd., Dae Won KIM of Yongin-si (KR) for samsung display co., ltd., Hye Beom SHIN of Yongin-si (KR) for samsung display co., ltd., Jin Hyeong LEE of Yongin-si (KR) for samsung display co., ltd., Sun Young CHANG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/80, G06F3/044
Abstract: a display panel includes a first substrate including a display area, in which a plurality of pixel areas is arranged, and a non-display area around the display area, a second substrate disposed opposite to the first substrate, a light emitting array disposed on the first substrate and including a plurality of light emitting elements corresponding to the plurality of pixel areas, a sealing layer disposed in the non-display area between the first substrate and the second substrate and bonding the first substrate and the second substrate to each other, a vacuum layer sealed by the sealing layer and defined between the light emitting array and the second substrate, and a reflection adjustment layer disposed on the second substrate and absorbing a portion of external light, where the reflection adjustment layer includes a plurality of protrusions protruding toward the light emitting array and exposed to the vacuum layer.
Inventor(s): CHANGMOO LEE of Yongin-si (KR) for samsung display co., ltd., YOUNGDO KIM of Yongin-si (KR) for samsung display co., ltd., JUNEHYOUNG PARK of Yongin-si (KR) for samsung display co., ltd., JUNWOO YOU of Yongin-si (KR) for samsung display co., ltd., SUK WON JUNG of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/80
Abstract: an electronic apparatus include a display panel having a rear surface. a heat dissipation layer is disposed on the rear surface of the display panel. the heat dissipation layer includes a base portion including a first surface facing the rear surface and a second surface opposite to the first surface. conductive particles are dispersed in the base portion. the conductive particles may be spaced apart from the first surface. a density of a distribution of the conductive particles increases from the first surface to the second surface.
20240074298.DISPLAY APPARATUS_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Jinho Kim of Yongin-si (KR) for samsung display co., ltd., Namhyoung Kim of Yongin-si (KR) for samsung display co., ltd., Jiyong Jung of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K59/88, G06F3/041, G06F3/044, G09G3/00, G09G3/3233, H10K59/131, H10K59/40
Abstract: a display apparatus may include a substrate including a display area and a peripheral area, pixel circuits in the display area, data lines in the display area and connected to the pixel circuits, first circuit driving signal lines in the peripheral area, and configured to transmit a first circuit driving signal to drive the pixel circuits, a data test pad portion at the peripheral area, and including data test pads connected to the data lines, a pad portion on the peripheral area, and including first circuit pads connected to the first circuit driving signal lines, a first test pad portion at the peripheral area, and including first circuit test pads connected to the first circuit pads, and a second test pad portion at the peripheral area, and including second circuit test pads connected to the first circuit test pads.
20240074299.MANUFACTURING METHOD OF DISPLAY DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): KYONGTAE YU of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K71/13, H10K71/40
Abstract: a manufacturing method of a display device includes discharging an ink onto a substrate, drying the discharged ink, disposing a first heater below the substrate and disposing a mask plate and a second heater above the substrate, operating both the first heater and the second heater, and reducing an operation temperature of the first heater while maintaining an operation temperature of the second heater so that the ink can be deposited on the substrate again.
20240074307.ORGANIC LIGHT EMITTING DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Yoshimasa FUJITA of Yokohama (JP) for samsung display co., ltd., Shuri SATO of Yokohama (JP) for samsung display co., ltd., Hiroaki ITOI of Yokohama (JP) for samsung display co., ltd.
IPC Code(s): H10K85/60, C07C211/54, C07C211/58, C07D209/80, C07D209/86, C07D307/91, C07D405/14, C07F7/08, H10K85/40
Abstract: an organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following formula 1 or a second hole transport material represented by the following formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following formula 3 or a fourth hole transport material represented by the following formula 4:
20240074307.ORGANIC LIGHT EMITTING DEVICE_simplified_abstract_(samsung display co., ltd.)
Inventor(s): Yoshimasa FUJITA of Yokohama (JP) for samsung display co., ltd., Shuri SATO of Yokohama (JP) for samsung display co., ltd., Hiroaki ITOI of Yokohama (JP) for samsung display co., ltd.
IPC Code(s): H10K85/60, C07C211/54, C07C211/58, C07D209/80, C07D209/86, C07D307/91, C07D405/14, C07F7/08, H10K85/40
Abstract:
Inventor(s): Chilwon LEE of Yongin-si (KR) for samsung display co., ltd., Myoungseon GONG of Yongin-si (KR) for samsung display co., ltd., Jaeryung CHA of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K85/60, C09K11/02, C09K11/06, H10K50/12
Abstract: a thermally activated delayed fluorescent (tadf) material is provided. the tadf material has a form in which an electron donating group and an electron withdrawing group are connected to benzene and the electron withdrawing group is position in an ortho position to the electron donating group.
Inventor(s): Hye Jeong PARK of Hwaseong-si (KR) for samsung display co., ltd., Daehyeon KIM of Hwaseong-si (KR) for samsung display co., ltd.
IPC Code(s): H10K85/60, C07D471/04, C07D401/14, C07D403/14
Abstract: an organic electroluminescence device of an embodiment may include a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. the electron transport region may include a first compound represented by formula 1, thereby improving the moving speed of electrons. accordingly, the organic electroluminescence device of an embodiment may show decreased driving voltage and improved efficiency.
Inventor(s): Hye Jeong PARK of Hwaseong-si (KR) for samsung display co., ltd., Daehyeon KIM of Hwaseong-si (KR) for samsung display co., ltd.
IPC Code(s): H10K85/60, C07D471/04, C07D401/14, C07D403/14
Abstract:
Inventor(s): Jimyoung Ye of Yongin-si (KR) for samsung display co., ltd., Jiyoung Song of Yongin-si (KR) for samsung display co., ltd., Hajin Song of Yongin-si (KR) for samsung display co., ltd., Jihwan Yoon of Yongin-si (KR) for samsung display co., ltd., Jaehoon Hwang of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K85/60, H10K50/13
Abstract: embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, and light-emitting units between the first electrode and the second electrode. the light-emitting units include at least one first light-emitting unit and at least one second light-emitting unit, the first light-emitting unit includes a first emission layer including a first host and a first dopant, the second light-emitting unit includes a second emission layer including a second host, a third host, and a second dopant, the first host includes a first compound represented by formula 1, the second host includes at least one second compound each independently represented by one of formulae 2a to 2c, the third host includes a third compound represented by formula 3, wherein formulae 1, 2a to 2c, and 3 are explained in the specification:
Inventor(s): Jimyoung Ye of Yongin-si (KR) for samsung display co., ltd., Jiyoung Song of Yongin-si (KR) for samsung display co., ltd., Hajin Song of Yongin-si (KR) for samsung display co., ltd., Jihwan Yoon of Yongin-si (KR) for samsung display co., ltd., Jaehoon Hwang of Yongin-si (KR) for samsung display co., ltd.
IPC Code(s): H10K85/60, H10K50/13
Abstract:
Samsung Display Co., LTD. patent applications on February 29th, 2024
- Samsung Display Co., LTD.
- B08B11/04
- A47B81/00
- B08B11/02
- C03C23/00
- Samsung display co., ltd.
- C09J9/00
- H05K5/03
- C23C14/04
- H10K71/10
- C23C14/24
- G01B11/06
- G06V40/13
- G02B5/20
- G02F1/1335
- G02F1/13357
- H10K59/38
- G06F1/16
- G06F3/041
- G06F3/044
- H10K59/122
- H10K59/40
- H10K59/80
- G06F3/046
- H10K59/126
- H10K59/65
- H10K77/10
- G09G3/20
- G09G3/3233
- G09G3/32
- H02M3/145
- G09G3/3275
- H10K59/124
- G09G3/3258
- G09G3/3291
- G09G3/3266
- G09G3/00
- G09G3/36
- H10K59/121
- H10K59/123
- H10K59/131
- G02F1/1333
- G02F1/1343
- H04N13/359
- H01L21/02
- H01L25/075
- H01L25/16
- H01L33/62
- H01L33/50
- H01L21/67
- H01L21/683
- H01L23/00
- H01L27/15
- H01L33/24
- H01L33/44
- H01L31/0216
- H01L27/144
- H01L27/146
- H01L33/00
- H01L33/58
- H01L33/10
- H01L33/38
- H01L27/12
- H01L33/48
- H05K5/02
- F16C11/04
- H10K50/844
- H10K50/84
- H10K50/842
- H01L29/786
- H10K59/12
- H10K71/00
- H01L29/423
- H01L29/66
- H10K59/35
- H10K71/20
- H10K102/00
- H04M1/02
- H10K71/60
- H10K71/70
- H10K59/00
- H10K50/11
- H10K71/16
- H10K39/34
- H10K59/60
- H10K50/86
- H10K59/88
- G01S17/04
- H10K71/13
- H10K71/40
- H10K85/60
- C07C211/54
- C07C211/58
- C07D209/80
- C07D209/86
- C07D307/91
- C07D405/14
- C07F7/08
- H10K85/40
- C09K11/02
- C09K11/06
- H10K50/12
- C07D471/04
- C07D401/14
- C07D403/14
- H10K50/13
