LG Display Co., Ltd. patent applications on March 27th, 2025
Patent Applications by LG Display Co., Ltd. on March 27th, 2025
LG Display Co., Ltd.: 22 patent applications
LG Display Co., Ltd. has applied for patents in the areas of H10K59/80 (7), H10K59/122 (6), H10K59/35 (4), H10K59/12 (3), H10K59/121 (3) H10K59/1213 (2), H10K59/122 (2), G09G3/3233 (2), H10K59/8792 (1), H10K59/879 (1)
With keywords such as: layer, display, disposed, area, electrode, device, substrate, portion, including, and signal in patent application abstracts.
Patent Applications by LG Display Co., Ltd.
20250102848. Double Sided Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): Chang Kyeong Kong of Paju-si KR for lg display co., ltd., Yoon Ki Kim of Paju-si KR for lg display co., ltd.
IPC Code(s): G02F1/1333, F21V8/00, G02F1/1335
CPC Code(s): G02F1/133342
Abstract: disclosed is a dual display device. the dual display device includes a backlight unit having a light guide plate; a first display panel disposed on a first light exit surface of the backlight unit; and a second display panel disposed on a second light exit surface of the backlight unit opposite the first light exit surface, wherein the first display panel and the second display panel are mounted so as to be tilted at a predetermined angle with respect to the backlight unit. accordingly, it is possible to reduce power consumption of the dual display device and to improve image quality.
20250104629. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jaehyoung Kim of Goyang-si KR for lg display co., ltd.
IPC Code(s): G09G3/3233, G06F3/041, G09G3/3266, G09G3/3275
CPC Code(s): G09G3/3233
Abstract: a display device may include: a display panel including a display area in which pixels are disposed, and a non-display area around the display area; a light-emission control driver configured to receive a first start signal and a first clock signal and to supply a light-emission control signal to the display panel; at least one scan driver configured to receive a second start signal and a second clock signal and to supply a scan signal to the display panel; and a controller configured to control the display panel to separately operate in a refresh period or a hold period based on a refresh rate. the hold period may have a portion for which each of the first and second start signals may be output at a fixed voltage level. each of the first and clock signals may continuously toggle in each of the refresh period and the hold period.
Inventor(s): Jihoon HA of Seoul KR for lg display co., ltd.
IPC Code(s): G09G3/3233, G09G3/20
CPC Code(s): G09G3/3233
Abstract: a display device may include a display panel including at least one of a first sub-pixel, a second sub-pixel and a third sub-pixel, and a driver configured to control a light-emission operation of the at least one of the first to third sub-pixels. in addition, the driver may be configured to control the light-emission operation of the at least one of the first to third sub-pixels so that, in a first control mode, a pulse width is fixed and a data voltage value is varied such that the at least one sub-pixel emits light at a first luminance, and, in a second control mode, the data voltage value is fixed, and the pulse width is varied such that the at least one sub-pixel emits light at a second luminance.
20250104649. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Kwangpyo PARK of Seoul KR for lg display co., ltd.
IPC Code(s): G09G3/3266
CPC Code(s): G09G3/3266
Abstract: a display device may include: a display panel including a display area in which a plurality of pixels are disposed, and a non-display area disposed around the display area; and a gate driver configured to receive a start signal and a clock signal and to supply a gate signal to the display panel. each of the plurality of pixels may include at least one first transistor and at least one second transistor having characteristics different from characteristics of the at least one first transistor. the gate driver may include at least one third transistor and at least one fourth transistor having characteristics different from characteristics of the at least one third transistor.
Inventor(s): ChulWoo Park of Paju-si KR for lg display co., ltd., KyungHoon Lee of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3275, H05K1/11
CPC Code(s): G09G3/3275
Abstract: a source printed circuit board and a display device including the source printed circuit board are disclosed. the source printed circuit board includes a second copper plate layer that includes a mesh area corresponding to a pad area, an air hole is disposed in the lower part of a third copper plate layer corresponding to the pad area, and a back drill through hole connected to the second copper plate layer and the third copper plate layer is not connected to a first copper plate layer, thereby maintaining the bonding temperature.
Inventor(s): Choong-Hyo Kim of Pajui-si KR for lg display co., ltd.
IPC Code(s): H01L25/075, H01L33/38
CPC Code(s): H01L25/0753
Abstract: an electroluminescent display device includes a substrate including an emission area and a contact area; a power line over the substrate; a light-emitting diode in the emission area and including a first electrode, a light-emitting layer, and a second electrode; at least one structure in the contact rea; an auxiliary electrode in the contact area, connected to the power line and the second electrode, and having an inclined surface over the structure; and an insulation layer between the auxiliary electrode and the light-emitting diode and having a contact hole exposing the auxiliary electrode, wherein an undercut structure is on at least one side of the contact hole, and the light-emitting layer and the second electrode are cut off by the undercut structure and are in contact with the inclined surface of the auxiliary electrode under the undercut structure.
Inventor(s): Namsu Kim of Paju-si KR for lg display co., ltd.
IPC Code(s): H02M1/32, G09G3/3233, H02M3/156
CPC Code(s): H02M1/325
Abstract: a power management circuit includes: a direct current voltage converter configured to generate an output voltage based on a first input voltage and to output the output voltage to an output node; and a feedback circuit configured to generate a feedback signal based on the output voltage output to the output node. the feedback circuit may include: an amplifier configured to compare a second input voltage supplied to a first input terminal and a voltage supplied to a second input terminal and to output a first comparison signal; a feedback signal output circuit configured to output a feedback signal based on the first comparison signal; and a resistance control circuit electrically connected between the first input terminal and the output node. the resistance control circuit may be configured to adjust a resistance value between the first input terminal and the output node based on a safe mode signal.
Inventor(s): Ahrum Sohn of Paju-si KR for lg display co., ltd., JaeYoung Oh of Paju-si KR for lg display co., ltd.
IPC Code(s): H01L29/786, H01L29/417
CPC Code(s): H10D30/6734
Abstract: a thin film transistor substrate presented herein includes a substrate, a first gate electrode on the substrate, the first gate electrode including a first portion and a second portion, an active layer on the first gate electrode, a second gate electrode on the active layer, the second gate electrode overlapping at least the first portion of the first gate electrode, a source electrode connected to a first side of the active layer, and a drain electrode connected to a second side of the active layer, wherein the first portion overlaps the second gate electrode, the second portion protrudes from an end of the first portion in a direction towards the source electrode or the drain electrode, and a thickness of the second portion is smaller than a thickness of the first portion. a display device includes the thin film transistor substrate as presented herein.
Inventor(s): JaeHyun KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): H01L29/786, H01L29/417, H01L29/423
CPC Code(s): H10D30/6757
Abstract: a thin film transistor substrate may include a substrate, an active layer disposed on the substrate, a gate electrode disposed on the active layer, a source electrode connected to one side of the active layer, and a drain electrode connected to another side of the active layer. the gate electrode may include a first side convexly disposed in a direction of any one of the source electrode and the drain electrode, the active layer may include a plurality of first active holes overlapping the first side, and the plurality of first active holes may be arranged in a direction perpendicular to a direction in which the source electrode and the drain electrode face each other. a display device using the thin film transistor substrate is also disclosed.
20250107297. LIGHT EMITTING DIODE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Seongyong CHO of Paju-si KR for lg display co., ltd., Hoon KANG of Paju-si KR for lg display co., ltd.
IPC Code(s): H01L33/60, G02B5/02, H01L25/16
CPC Code(s): H10H20/856
Abstract: disclosed is a light emitting diode display device comprising a light emitting diode over a substrate, and an optical element provided with liquid crystal molecule randomly distributed therein and configured to change a path of light emitted from the light emitting diode.
20250107330. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): KangIl KIM of Seoul KR for lg display co., ltd., Seongkwang KIM of Goyang-si KR for lg display co., ltd., Seongku LEE of Seoul KR for lg display co., ltd.
IPC Code(s): H10K59/121, H10K59/12, H10K59/122
CPC Code(s): H10K59/1213
Abstract: provided is a display device. the display device includes a substrate including a plurality of subpixels. the device includes a driving transistor in each of the plurality of subpixels. the device includes a passivation layer on the driving transistor. the device includes a planarization layer on the passivation layer. the device includes a contact hole in the passivation layer and the planarization layer to expose a source electrode of the driving transistor. the device includes a first anode on a top surface of the planarization layer and the contact hole. the device includes a first bank covering an edge of the first anode. the device includes a second bank on the first anode in the contact hole, in which a height of the second bank is equal to or smaller than a height of the planarization layer. therefore, the degree of design freedom and the aperture ratio may be improved.
20250107331. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sungbin SHIM of Yangsan-si KR for lg display co., ltd., Dahye KWON of Seoul KR for lg display co., ltd., SangWon LEE of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/121, H10K59/122, H10K59/35, H10K59/80
CPC Code(s): H10K59/1213
Abstract: a display device according to an example of the present specification may include a substrate having a plurality of subpixels disposed thereon, a plurality of transistors respectively disposed in the plurality of subpixels on the substrate, and a plurality of first electrodes respectively disposed on the plurality of transistors and connected to the plurality of transistors. each first electrode includes a reflective layer and a transparent conductive layer disposed on the reflective layer. the display device may further include a plurality of light-emitting parts respectively disposed on the plurality of first electrodes, and a second electrode disposed on the light-emitting parts. the transparent conductive layer includes a first portion configured to adjoin the reflective layer and a second portion spaced apart from the reflective layer.
20250107348. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): JungBum Lim of Seoul KR for lg display co., ltd., Younghee Lee of Seoul KR for lg display co., ltd., SunIk Park of Seoul KR for lg display co., ltd., Hyoungbin Park of Goyang-si KR for lg display co., ltd.
IPC Code(s): H10K59/122, H10K59/35, H10K59/80
CPC Code(s): H10K59/122
Abstract: the present disclosure provides a display device including a substrate including a plurality of subpixels each including a light-emitting area and a non-light-emitting area, an overcoating layer disposed on the substrate and having a plurality of micro-lenses including concave portions and connection portions in the light-emitting area, a first electrode disposed on the overcoating layer, a bank layer exposing a part of the first electrode on the overcoating layer and defining the light-emitting area, a light-emitting layer covering the first electrode exposed by the bank layer, and a second electrode disposed on the light-emitting layer. the bank layer may include a first bank area disposed adjacent to at least a part of the light-emitting area and having a first thickness, and a second bank area having a second thickness larger than the first thickness.
20250107349. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sungbin SHIM of Yangsan-si KR for lg display co., ltd., Dahye KWON of Seoul KR for lg display co., ltd., JunHyeok YANG of Seoul KR for lg display co., ltd., SangWon LEE of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/122, H10K59/124, H10K59/80
CPC Code(s): H10K59/122
Abstract: a display device includes a substrate on which a plurality of sub pixels are defined, each sub pixel having an emitting area and a non-emitting area. the display device further includes a thin film transistor disposed in each of the plurality of sub pixels, a planarization layer disposed on the thin film transistor and including a first opening disposed in at least one of the emitting areas, a first electrode disposed on an upper surface of the planarization layer and the first opening in at least one of the plurality of sub pixels and connected to the thin film transistor, and a bank exposing a part of the first electrode on the planarization layer and defining the emitting area. the first electrode includes a first convex and concave pattern formed in an area at the first opening.
Inventor(s): Joon-Young HEO of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/123, H10K59/12
CPC Code(s): H10K59/123
Abstract: a display apparatus according to the present disclosure includes a substrate including a plurality of sub-pixels, a transistor disposed in each sub-pixel, a first planarization layer formed in the entire area of the substrate to cover the transistor, a light emitting device disposed in each sub-pixel, the light emitting device being electrically connected to the transistor through an contact hole formed in the first planarization layer; and a step prevention member formed in a predetermined region including the first contact hole in each sub-pixel.
20250107373. TRANSPARENT DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Soonhwan HONG of Paju-si KR for lg display co., ltd., ChangSoo KIM of Paju-si KR for lg display co., ltd., Hyeokjun KWON of Paju-si KR for lg display co., ltd., Kyungah CHIN of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/131, H10K59/35
CPC Code(s): H10K59/131
Abstract: a transparent display device may have high transmittance and at the same time have high resolution. the transparent display device comprises a first signal line portion extended in a first direction, including a first sensing scan line, a second sensing scan line, an initialization line and a light emission control line, a second signal line portion extended in a second direction, a transmissive area provided between two adjacent first signal line portions and between two adjacent second signal line portions, and a pixel provided in an intersection area where the first signal line portion and the second signal line portion cross or overlap each other. the light emission control line overlaps the initialization line in at least a partial area.
Inventor(s): Hyung Uk Jang of Paju-si KR for lg display co., ltd., Chul Nam of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/35, H10K50/80, H10K50/86, H10K59/121, H10K59/65
CPC Code(s): H10K59/353
Abstract: an embodiment discloses a display panel and a display device including the same. the display panel includes a first display region in which a plurality of pixels are disposed, and a second display region including a plurality of pixel regions, in which a plurality of pixels are disposed, and a plurality of light-transmitting regions disposed between the plurality of pixel regions, wherein the second display region includes a plurality of first pixels disposed in the plurality of pixel regions, a plurality of second pixels disposed in the plurality of light-transmitting regions, and a plurality of first electrodes extending from the plurality of pixel regions to the plurality of light-transmitting regions to electrically connect the plurality of first pixels to the plurality of second pixels.
20250107402. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Chikyung SUNG of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/873
Abstract: a display device includes a display panel including a display area and a non-display area with a bent area, a cover member disposed on top of the display panel, a back plate disposed on a rear surface of the display panel, a coating layer disposed on the bent area of the non-display area, and a protective film disposed to overlap at least a portion of the cover member on the bent area and cover the coating layer and at least a portion of a side surface of an edge of the back plate.
20250107409. LIGHT EMITTING DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): In Goo LEE of Paju-si KR for lg display co., ltd., Seo Hyun NAM of Paju-si KR for lg display co., ltd., Se Hong PARK of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/124, H10K59/131
CPC Code(s): H10K59/878
Abstract: a light emitting display device can include subpixels on a substrate, a first overcoat layer disposed on the substrate, a second overcoat layer disposed on the first overcoat layer, the second overcoat layer having a side surface overlapping with a reflection area of each of the plurality of subpixels, a first electrode disposed on an upper surface of the second overcoat layer at an emission area of each of the subpixels, an intermediate layer disposed on the first overcoat layer, the second overcoat layer, and the first electrode, and a second electrode disposed on the intermediate layer, the second electrode having a higher reflectance than the first electrode. also, the reflection area is located outside of the emission area, and the second electrode is located along the side surface of the second overcoat layer in the reflection area and the second electrode surrounds an end of the first electrode.
20250107414. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): You Yong JIN of Paju-si KR for lg display co., ltd., Joo Bong HYUN of Paju-si KR for lg display co., ltd., So Yeon KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122, H10K59/40, H10K102/00
CPC Code(s): H10K59/879
Abstract: a display device can include a bank exposing a first open portion of a first sub-pixel and a first open portion of a second sub-pixel, a plurality of first lenses disposed to correspond to the first open portion of the first sub-pixel and the first open portion of the second sub-pixel, an optical layer disposed between the bank and the plurality of first lenses, the optical layer including a first groove between one of the plurality of first lenses corresponding to the first open portion of the first sub-pixel and another one of the plurality of first lenses corresponding to the first open portion of the second sub-pixel, the first groove having a first thickness, and a filler disposed in the first groove of the optical layer. also, the filler is aligned with two of the plurality of first lenses in a first direction.
Inventor(s): KANGIL KIM of Seoul KR for lg display co., ltd., SUNGBIN SHIM of Yangsan-si KR for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/12, H10K59/122
CPC Code(s): H10K59/8792
Abstract: an organic light-emitting display device and a method for manufacturing the same are discussed. the organic light-emitting display device includes a lower substrate having a plurality of subpixels, an anode disposed on the lower substrate, a bank provided to overlap an end portion of the anode and configured to define a light-emitting area, an organic light-emitting layer disposed on the anode and the bank, a cathode disposed on the organic light-emitting layer, an upper substrate disposed opposite to the lower substrate, a black matrix disposed on one surface of the upper substrate and protruding toward the lower substrate and defining an opening area corresponding to the light-emitting area, a color filter disposed on one surface of the upper substrate so as to correspond to the opening area, and a reflective layer disposed on a side surface of the black matrix.
20250107427. FLEXIBLE DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Wansoo LEE of Goyang-si KR for lg display co., ltd., Seungkyu LEE of Bucheon-si KR for lg display co., ltd., Yeonjae JEONG of Paju-si KR for lg display co., ltd., JooHye PARK of Anyang-si KR for lg display co., ltd., NohJin MYUNG of Paju-si KR for lg display co., ltd., Sejin JANG of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K77/10, B32B17/06, H10K50/842, H10K102/00
CPC Code(s): H10K77/111
Abstract: a flexible display device includes a flexible substrate including a display area and a non-display area, an organic light emitting element disposed on the flexible substrate, and a cover member disposed on the organic light emitting element and including a plurality of thin glass plates and an adhesive layer between the plurality of thin glass plates, wherein each of the plurality of thin glass plates has a thickness of 0.1 mm or less. according to an aspect of the present disclosure, it is possible to provide a flexible display device that simultaneously satisfies folding characteristics and impact resistance while maintaining high surface characteristics of glass itself by using a cover member in which the plurality of thin glass plates are stacked.
LG Display Co., Ltd. patent applications on March 27th, 2025
- LG Display Co., Ltd.
- G02F1/1333
- F21V8/00
- G02F1/1335
- CPC G02F1/133342
- Lg display co., ltd.
- G09G3/3233
- G06F3/041
- G09G3/3266
- G09G3/3275
- CPC G09G3/3233
- G09G3/20
- CPC G09G3/3266
- H05K1/11
- CPC G09G3/3275
- H01L25/075
- H01L33/38
- CPC H01L25/0753
- H02M1/32
- H02M3/156
- CPC H02M1/325
- H01L29/786
- H01L29/417
- CPC H10D30/6734
- H01L29/423
- CPC H10D30/6757
- H01L33/60
- G02B5/02
- H01L25/16
- CPC H10H20/856
- H10K59/121
- H10K59/12
- H10K59/122
- CPC H10K59/1213
- H10K59/35
- H10K59/80
- CPC H10K59/122
- H10K59/124
- H10K59/123
- CPC H10K59/123
- H10K59/131
- CPC H10K59/131
- H10K50/80
- H10K50/86
- H10K59/65
- CPC H10K59/353
- CPC H10K59/873
- CPC H10K59/878
- H10K59/40
- H10K102/00
- CPC H10K59/879
- CPC H10K59/8792
- H10K77/10
- B32B17/06
- H10K50/842
- CPC H10K77/111