LG Display Co., Ltd. patent applications on March 13th, 2025
Patent Applications by LG Display Co., Ltd. on March 13th, 2025
LG Display Co., Ltd.: 20 patent applications
LG Display Co., Ltd. has applied for patents in the areas of H01L27/12 (7), G09G3/3233 (5), H10K59/121 (4), H01L29/786 (3), H10K59/131 (3) G09G3/3233 (3), H10D86/60 (2), H10K59/1213 (2), G02F1/133514 (1), G09G3/2003 (1)
With keywords such as: display, area, layer, electrode, active, device, gate, data, disposed, and substrate in patent application abstracts.
Patent Applications by LG Display Co., Ltd.
20250085586. Display Device and Backlight Unit_simplified_abstract_(lg display co., ltd.)
Inventor(s): Junehwan Kim of Paju-si (KR) for lg display co., ltd., Seong Il Kim of Paju-si (KR) for lg display co., ltd., HyunWoo Jeon of Paju-si (KR) for lg display co., ltd., JongHyun Kim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G02F1/1335
CPC Code(s): G02F1/133514
Abstract: a display device includes a display panel, a backlight unit supplying light to the display panel, and a conversion sheet located between the backlight unit and the display panel. the conversion sheet includes at least one conversion pattern. a top portion of the at least one conversion pattern has a greater area than a bottom portion the at least one conversion pattern. the at least one conversion pattern includes alternately stacked at least one first conversion layer having a first refractive index and at least one second conversion layer having a second refractive index different from the first refractive index.
20250087127. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Injune KIM of Seoul (KR) for lg display co., ltd., Jae-Woong YOUN of Gimpo-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3291
CPC Code(s): G09G3/2003
Abstract: a display device is provided, in which operation characteristics of an internal compensation pixel are applied to a degradation compensation modeling to achieve accurate degradation compensation. the display device can include a display panel including an internal compensation pixel, a data driver configured to apply a data voltage to the display panel, and a controller configured to compensate for image data based on a degradation compensation modeling. the degradation compensation modeling includes a degradation compensation modeling representing operation characteristics of the internal compensation pixel during a light-emission period, and a degradation compensation modeling representing operation characteristics of the internal compensation pixel during a sensing period. the compensated image data is provided to the data driver.
20250087143. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Junggyu LEE of Gyeonggi-do (KR) for lg display co., ltd., JinHo LIM of Gyeonggi-do (KR) for lg display co., ltd., Boeun JO of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): G09G3/32, G09G3/20
CPC Code(s): G09G3/32
Abstract: a display device can include a display panel having an active area where a plurality of subpixels are disposed over a substrate, at least one hole area surrounded by the active area, a boundary area disposed between the at least one hole area and the active area, a first data line disposed on the active area and the boundary area, and configured to supply a data voltage to a first group of the plurality of subpixels and a second data line disposed on the active area and the boundary area, and configured to supply the data voltage to a second group of the plurality of subpixels. also, a vertical distance between the second data line and the substrate is different from a vertical distance between the first data line and the substrate.
Inventor(s): Ji Ah KIM of Paju-si (KR) for lg display co., ltd., Joung Mi CHOI of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: a subpixel circuit and a display device including the subpixel circuit are discussed. the subpixel circuit in one example includes a light emitting element configured to receive a high-potential driving voltage at an anode electrode, and a driving transistor including a first node, a second node, and a third node. the subpixel circuit further includes a scan transistor controlled by a first scan signal and transmitting a data voltage through a data line, a storage capacitor, and a control circuit configured to control operations of the driving transistor, the scan transistor, and the storage capacitor. the control circuit can be located between a cathode electrode of the light emitting element and a low-potential base voltage line.
Inventor(s): Injune KIM of Seoul (KR) for lg display co., ltd., Hyebin YANG of Seoul (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233, G09G3/3266
CPC Code(s): G09G3/3233
Abstract: a display device can include a display panel including a plurality of pixels, a data driver configured to apply a reference data voltage to the display panel in a sensing mode, a current sensor configured to, in the sensing mode, lower a high potential driving voltage supplied to the display panel, sense a driving current of the display panel while the reference data voltage and the lowered driving voltage are applied and convert the sensed driving current into sensing data. additionally, the display device includes a controller configured to calculate a compensation factor based on the sensing data. further, in a display mode, the compensation factor is used to compensate image data. in addition, provided is a method for compensating for degradation of a display device.
20250087161. LIGHT EMITTING DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): TaeWoo KIM of Paju-si (KR) for lg display co., ltd., DongJin JEONG of Paju-si (KR) for lg display co., ltd., Hongseok CHOI of Paju-si (KR) for lg display co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: a light emitting display apparatus can include a control driver configured to perform a deterioration prevention function, a scaler configured to transmit a deterioration prevention function activation request signal to the control driver and transmit a deterioration prevention function deactivation request signal to the control driver based on an analysis result of input image data when deterioration prevention function start information is received from the control driver, and a light emitting display panel configured to display images under control of the control driver. the amount of change in an image used in the scaler is smaller than the amount of change in an image used in the control driver.
20250088806. APPARATUS_simplified_abstract_(lg display co., ltd.)
Inventor(s): Sungsu HAM of Paju-si (KR) for lg display co., ltd., Sungtae LEE of Paju-si (KR) for lg display co., ltd., Yongjun CHO of Paju-si (KR) for lg display co., ltd., Seungwoo BAEK of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H04R17/00, H04R1/02, H04R1/40, H04R3/12
CPC Code(s): H04R17/00
Abstract: an apparatus in one example includes a vibration member, a vibration apparatus connected to a rear surface of the vibration member, and a rear cover covering a rear surface of the vibration apparatus. the rear cover includes a hole part having a plurality of holes overlapping the vibration apparatus. the size of the hole part is greater than the size of the vibration apparatus.
Inventor(s): JaeHyun KIM of Paju-si (KR) for lg display co., ltd., JaeYoung OH of Paju-si (KR) for lg display co., ltd., KwangHeum LEE of Paju-si (KR) for lg display co., ltd., Ahrum SOHN of Paju-si (KR) for lg display co., ltd., Minho LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L29/417, H01L27/12, H01L29/786
CPC Code(s): H10D30/6729
Abstract: a thin film transistor for a display device can include an active layer disposed on a substrate, a gate electrode overlapping with the active layer, a source electrode electrically connected to the active layer, a drain electrode electrically connected to the active layer, and at least one hole in the active layer, in which the at least one hole at least partially overlaps with an edge of the gate electrode. also, the at least one hole in the active layer can control or block diffusion of a dopant within the active layer.
Inventor(s): HeeSung LEE of Incheon (KR) for lg display co., ltd., SungKi KIM of Seoul (KR) for lg display co., ltd., MinCheol KIM of Paju-si (KR) for lg display co., ltd., SeungJin KIM of Paju-si (KR) for lg display co., ltd., JeeHo PARK of Seoul (KR) for lg display co., ltd., Seoyeon IM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L29/786, G02F1/1333, G02F1/1335, G02F1/1343, G02F1/1368, H01L27/12, H01L29/66, H10K59/121, H10K59/122, H10K59/38
CPC Code(s): H10D30/6755
Abstract: a thin-film transistor is disclosed. the thin-film transistor includes a gate electrode disposed on a substrate, an oxide semiconductor layer disposed so as to overlap at least a portion of the gate electrode in the state of being isolated from the gate electrode, a gate insulation film disposed between the gate electrode and the oxide semiconductor layer, a source electrode connected to the oxide semiconductor layer, and a drain electrode connected to the oxide semiconductor layer in the state of being spaced apart from the source electrode, wherein the oxide semiconductor layer includes indium (in), gallium (ga), zinc (zn), tin (sn), and oxygen (o), the content of indium (in) in the oxide semiconductor layer is greater than the content of gallium (ga), the content of indium (in) is substantially equal to the content of zinc (zn), and the content ratio (sn/in) of tin (sn) to indium (in) is 0.1 to 0.25.
Inventor(s): JungHyun LEE of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L29/423, H01L27/12, H01L29/786
CPC Code(s): H10D64/519
Abstract: a thin film transistor includes an active layer; and a gate electrode spaced apart from the active layer and partially overlapping the active layer. the active layer includes a channel area partially overlapping the gate electrode; a source area connected to one side of the channel area; and a drain area connected to the other side of the channel area. the active layer defines an active hole in which the active layer absent, at least a part of the active hole overlaps the gate electrode in a plan view, and at least another part of the active hole extends beyond an edge of the gate electrode. the gate electrode includes a body portion and a protrusion portion protruding in a first direction, the first direction being a direction parallel to the shortest line connecting the source area and the drain area.
20250089372. Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Daeyoung Seo of Seoul (KR) for lg display co., ltd., Hun Jang of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., ByungHyun Lee of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., MinSeok Kim of Seoul (KR) for lg display co., ltd., TaeYong Kim of Anyang-si, Gyeonggi-do (KR) for lg display co., ltd., Juhyun Nam of Seoul (KR) for lg display co., ltd., Sumin Lee of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L27/12, H01L25/075, H01L25/16, H01L33/62
CPC Code(s): H10D86/60
Abstract: a display device comprises a substrate including a plurality of pixel areas that are spaced apart from each other and a plurality of transmissive areas between the plurality of pixel areas, wherein each of the plurality of pixel areas includes a plurality of sub pixels; and a plurality of signal lines that extend in a first direction on the substrate, wherein the plurality of sub pixels include a plurality of pixel circuits, wherein the plurality of signal lines overlap the plurality of pixel circuits without the plurality of signal lines overlapping the plurality of transmissive areas. accordingly, the plurality of pixel areas and the plurality of signal lines are in the same area to reduce the size of the opaque area in the entire display device and enlarge a size of the transmissive area to implement a transparent display device.
Inventor(s): Chang Bae Park of Paju-si (KR) for lg display co., ltd., Seong Hwan Ju of Paju-si (KR) for lg display co., ltd., Seok Ho Shim of Paju-si (KR) for lg display co., ltd., Hyun Woo Kim of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H01L27/12, H01L25/16
CPC Code(s): H10D86/60
Abstract: a display panel presented herein includes: a plurality of pixel areas including a plurality of pixels; and a gate driving area including a plurality of gate driving circuits that supply a gate signal to a plurality of gate lines connected to the plurality of pixels. the gate driving area is between adjacent pixel areas of the plurality of pixel areas. a length of a row direction of each sub-pixels of a first color is greater than a length of a row direction of each of sub-pixels of second and third colors.
20250089423. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): ByungHyun LEE of Paju-si (KR) for lg display co., ltd., Daeyoung SEO of Seoul (KR) for lg display co., ltd., MinSeok KIM of Seoul (KR) for lg display co., ltd., TaeYong KIM of Anyang-si (KR) for lg display co., ltd., Sumin LEE of Seoul (KR) for lg display co., ltd.
IPC Code(s): H01L33/62, H01L25/075, H01L25/16, H01L27/12, H01L33/40
CPC Code(s): H10H20/857
Abstract: according to an aspect of the present disclosure, a display device includes a substrate configured to define a plurality of pixel areas, and a plurality of transmissive areas disposed between the plurality of pixel areas; a plurality of pixels disposed in the plurality of pixel areas and each including a plurality of sub pixels; light-emitting elements respectively disposed in the plurality of sub pixels and each including a first electrode; and a repair line disposed between a pair of adjacent sub pixels among the plurality of sub pixels, in which the light-emitting elements of the pair of sub pixels are disposed so that the first electrodes are directed toward the repair line. therefore, the repair line may be formed to repair the plurality of sub pixels when the plurality of sub pixels is defective, thereby improving the yield of the display device.
20250089453. Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Yuri Park of Paju-si (KR) for lg display co., ltd., Jungmo Cho of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/121, H10K50/12, H10K50/18, H10K59/35, H10K85/20, H10K85/30, H10K85/60
CPC Code(s): H10K59/121
Abstract: a display device includes a first active area in which a plurality of first pixels are disposed and which has a first resolution, a second active area in which a plurality of second pixels are disposed and which has a second resolution lower than the first resolution, and multiple light-emitting elements, wherein each of the multiple light-emitting elements includes an electron-blocking layer and a hole-blocking layer, wherein the number of moles of a dopant in at least one of the electron-blocking layer or the hole-blocking layer located in the second active area is greater than the number of moles of a dopant in at least one of the electron-blocking layer or the hole-blocking layer located in the first active area. accordingly, the difference in luminance between the first active area and the second active area may be reduced.
Inventor(s): Jong-Woo KIM of Paju-si (KR) for lg display co., ltd., Eung-Yong KIM of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/121, H10K59/80
CPC Code(s): H10K59/1213
Abstract: a display device includes first and second semiconductor layers on a substrate, the first and second semiconductor layers including a polycrystalline semiconductor material and an oxide semiconductor material, respectively. the device includes a first gate insulating layer on the first and second semiconductor layers. the device includes first and second gate electrodes on the first gate insulating layer, the first and second gate electrodes corresponding to the first and second semiconductor layers, respectively. the device includes a first interlayer insulating layer on the first gate electrode and the second gate electrode. the device includes first source and drain electrodes and second source and drain electrodes on the first interlayer insulating layer, the first source and drain electrodes connected to both end portions, respectively, of the first semiconductor layer, the second source and drain electrodes connected to both end portions, respectively, of the second semiconductor layer.
20250089457. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): DukYoung JEONG of Seoul (KR) for lg display co., ltd., YuHo JUNG of Gyeonggi-do (KR) for lg display co., ltd., Seonha YU of Gyeonggi-do (KR) for lg display co., ltd.
IPC Code(s): H10K59/121, H01L27/12, H10K77/10
CPC Code(s): H10K59/1213
Abstract: embodiments of the present disclosure relate to a display device including a substrate, an optical device located under the substrate in a display area, and a subpixel layer located over the substrate in the display area, wherein the subpixel layer includes at least one of first transistor with a first characteristic are located at a first area overlapping with the optical device, and at least one of second transistor with a second characteristic are located at a second area not overlapping with the optical device.
20250089478. DISPLAY PANEL AND DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Ji Ah KIM of Paju-si, (KR) for lg display co., ltd., Joung Mi Choi of Paju-si, (KR) for lg display co., ltd.
IPC Code(s): H10K59/124, G09G3/3233
CPC Code(s): H10K59/124
Abstract: a display panel may include a substrate, a first light emitting transistor and a driving transistor formed over the substrate, an interlayer insulating film formed to cover the first light emitting transistor and the driving transistor, a first planarization layer formed on the interlayer insulating film, a link line formed on the first planarization layer and electrically connected to the first light emitting transistor through the first planarization layer and the interlayer insulating film, a second planarization layer formed to cover the link line, and a light emitting element formed on the second planarization layer, in which a cathode electrode is electrically connected to the link line through a drilling area.
20250089506. TRANSPARENT DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Soyi LEE of Paju-si (KR) for lg display co., ltd., ChangSoo KIM of Paju-si (KR) for lg display co., ltd., EuiTae KIM of Paju-si (KR) for lg display co., ltd., KiSeob SHIN of Goyang-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/131, G09G3/00, G09G3/3225, H10K50/84, H10K59/122
CPC Code(s): H10K59/1315
Abstract: a transparent display device is disclosed, which may reduce a yellowish phenomenon in a non-display area. the transparent display device comprises a substrate provided with a display area in which a plurality of subpixels are disposed, and a non-display area adjacent to the display area, a gate driver provided in the non-display area over the substrate, including a plurality of stages, a metal line provided between the gate driver and the display area, and a trench provided between the metal line and the display area.
20250089535. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): SeongYong UHM of Paju-si (KR) for lg display co., ltd., MinHo OH of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/122, H10K59/131, H10K59/40, H10K102/00
CPC Code(s): H10K59/873
Abstract: a display device includes a substrate including a display area on which a plurality of subpixels are arranged, a non-display area located outside the display area and including a pad area, and a groove, an insulating layer disposed on the substrate, a bank disposed on the insulating layer and having a plurality of openings, and a barrier layer extending from an upper portion of the bank to the groove.
20250089546. DISPLAY PANEL AND REPAIR METHOD THEREOF_simplified_abstract_(lg display co., ltd.)
Inventor(s): Seong Hwan JU of Paju-si (KR) for lg display co., ltd., Young Chor CHO of Paju-si (KR) for lg display co., ltd., Hyun Su HAN of Paju-si (KR) for lg display co., ltd.
IPC Code(s): H10K71/00, G09G3/00, G09G3/3233, H10K59/12, H10K59/131
CPC Code(s): H10K71/861
Abstract: the present disclosure relates to a display panel and its repair method. the display panel may include: a first sub-pixel including a first-first light-emitting element and a first-second light-emitting element; a second sub-pixel including a second-first light-emitting element and a second-second light-emitting element; a first cathode line connected to at least one cathode electrode among a cathode electrode of the first-first light-emitting element and a cathode electrode of the first-second light emitting element, and extended toward the second sub-pixel; and a second cathode line connected to at least one cathode electrode among a cathode electrode of the second-first light-emitting element and a cathode electrode of the second-second light emitting element, and extended toward the first sub-pixel.
LG Display Co., Ltd. patent applications on March 13th, 2025
- LG Display Co., Ltd.
- G02F1/1335
- CPC G02F1/133514
- Lg display co., ltd.
- G09G3/20
- G09G3/3291
- CPC G09G3/2003
- G09G3/32
- CPC G09G3/32
- G09G3/3233
- CPC G09G3/3233
- G09G3/3266
- H04R17/00
- H04R1/02
- H04R1/40
- H04R3/12
- CPC H04R17/00
- H01L29/417
- H01L27/12
- H01L29/786
- CPC H10D30/6729
- G02F1/1333
- G02F1/1343
- G02F1/1368
- H01L29/66
- H10K59/121
- H10K59/122
- H10K59/38
- CPC H10D30/6755
- H01L29/423
- CPC H10D64/519
- H01L25/075
- H01L25/16
- H01L33/62
- CPC H10D86/60
- H01L33/40
- CPC H10H20/857
- H10K50/12
- H10K50/18
- H10K59/35
- H10K85/20
- H10K85/30
- H10K85/60
- CPC H10K59/121
- H10K59/80
- CPC H10K59/1213
- H10K77/10
- H10K59/124
- CPC H10K59/124
- H10K59/131
- G09G3/00
- G09G3/3225
- H10K50/84
- CPC H10K59/1315
- H10K59/40
- H10K102/00
- CPC H10K59/873
- H10K71/00
- H10K59/12
- CPC H10K71/861
