公开(公告)号：US20230081008A1

公开(公告)日：2023-03-16

申请号：US17989300

申请日：2022-11-17

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Bo Yun Jung

IPC: G09G3/3233

Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.

公开(公告)号：US20220037430A1

公开(公告)日：2022-02-03

申请号：US17380827

申请日：2021-07-20

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Joung Mi Choi ,  Man Hyeop Han

IPC: H01L27/32 ,  G06K9/00 ,  H04M1/02

Abstract: Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.

公开(公告)号：US12048226B2

公开(公告)日：2024-07-23

申请号：US17380827

申请日：2021-07-20

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Joung Mi Choi ,  Man Hyeop Han

IPC: H10K59/60 ,  G06V40/13 ,  H04M1/02 ,  H10K59/121 ,  H10K59/131 ,  H10K59/40

CPC classification number: H10K59/60 ,  G06V40/1318 ,  H04M1/0266 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/40 ,  H04M2250/22

Abstract: Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.

公开(公告)号：US11862079B2

公开(公告)日：2024-01-02

申请号：US17990165

申请日：2022-11-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung Taek Oh ,  Dong Gun Lee ,  Bo Yun Jung

IPC: G09G3/3208 ,  H04N23/57

CPC classification number: G09G3/3208 ,  H04N23/57 ,  G09G2310/0289 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0673 ,  G09G2320/0686 ,  G09G2330/021

Abstract: A display device includes a display panel including a plurality of pixels, and an image capturing unit disposed below the plurality of pixels, wherein, when the image capturing unit is driven, the display panel is time-divisionally driven by dividing one frame into a plurality of sub-frame sections, and the image capturing unit is synchronized with the display panel to receive different color data for each section of the plurality of sub-frame sections.

公开(公告)号：US20220139317A1

公开(公告)日：2022-05-05

申请号：US17395337

申请日：2021-08-05

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Bo Yun Jung

IPC: G09G3/3233

Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.

公开(公告)号：US12299228B2

公开(公告)日：2025-05-13

申请号：US18209587

申请日：2023-06-14

Applicant: LG Display Co., Ltd.

Inventor： Seung Taek Oh ,  Joung Mi Choi ,  Dong Gun Lee

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20

Abstract: A display panel includes a first pixel area in which a plurality of light emitting elements and a plurality of pixel circuit are disposed, and a second pixel area in which a plurality of light emitting elements are disposed, and the second pixel area further may include a plurality of transparent extension lines configured to electrically connect the plurality of light emitting elements disposed in the second pixel area to the plurality of pixel circuits disposed in the first pixel area.

公开(公告)号：US12039942B2

公开(公告)日：2024-07-16

申请号：US17846765

申请日：2022-06-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyu Jin Kim ,  Seung Taek Oh ,  Dong Gun Lee

IPC: G09G3/34 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3406 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2320/0686

Abstract: A display device can include a display panel to display an input image across a first subpixel region and a second subpixel region; a display panel driver to supply pixel data of the input image to subpixels of the display panel; a light source disposed under the display panel in an area overlapped by the second subpixel region; and a controller to drive the light source in an emission permitting section set within a non-driving period of a group of subpixels among the subpixels that are disposed in at least a portion of the second subpixel region.

公开(公告)号：US11538409B2

公开(公告)日：2022-12-27

申请号：US17395337

申请日：2021-08-05

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Bo Yun Jung

IPC: G09G3/3233

Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.

公开(公告)号：US12223871B2

公开(公告)日：2025-02-11

申请号：US18208105

申请日：2023-06-09

Applicant: LG Display Co., Ltd.

Inventor： Dong Gun Lee ,  Seung Taek Oh ,  Yong Kyun Choi ,  Jung Hoon Lee

IPC: G09G3/00 ,  G06V40/13 ,  G09G3/3233

Abstract: The present disclosure relates a display device and a method compensating for deterioration thereof, and a mobile terminal including the display device. The display device includes: a display panel including a first pixel area, a second pixel area, and a third pixel area; a first optical device disposed below the display panel or embedded within the display panel in a predetermined sensing area on the display panel, the first optical device facing at least a portion of the first pixel area and a portion of the second pixel area when the display panel is folded or moved; and a pixel deterioration compensation circuit configured to operate to reduce a luminance difference between the first pixel area and the second pixel area by receiving sensing data from the first optical device in a deterioration sensing mode.

公开(公告)号：US11790687B2

公开(公告)日：2023-10-17

申请号：US17361241

申请日：2021-06-28

Applicant: LG Display Co., Ltd.

Inventor： Man Hyeop Han ,  Joung Mi Choi ,  Dong Gun Lee

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/32 ,  H10K59/40

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  H10K39/32 ,  H10K59/40 ,  G09G2300/0421 ,  G09G2360/14

Abstract: A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.