公开(公告)号：US20240177679A1

公开(公告)日：2024-05-30

申请号：US18470201

申请日：2023-09-19

Applicant: LG Display Co., Ltd.

Inventor： Jaesung PARK ,  SeongHwan HONG

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/36

CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/12

Abstract: Embodiments of the disclosure relate to a display device and a display driving method. Specifically, there may be provided a display device comprising a display panel having a plurality of subpixels, a gate driving circuit supplying a plurality of scan signals to the display panel through a plurality of gate lines, a data driving circuit supplying a plurality of data voltages to the display panel through a plurality of data lines, a power management circuit supplying a plurality of driving voltages to the gate driving circuit and the data driving circuit, and a timing controller controlling the power management circuit to change a level of a gate voltage applied to the gate driving circuit according to an output state of the gate driving circuit.

公开(公告)号：US20240185799A1

公开(公告)日：2024-06-06

申请号：US18508340

申请日：2023-11-14

Applicant: LG Display Co., Ltd.

Inventor： Jaesung PARK ,  Kwangsoo KIM

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0408 ,  G09G2310/0291

Abstract: Disclosed herein are a gate driving circuit having a small-area structure and a display device, and more specifically, each of a plurality of stage circuits included in the gate driving circuit includes a sensing part, a logic part, and a buffer group, first to fourth scan clock signals and a first carry clock signal are electrically connected to a first stage circuit, and fifth to eighth scan clock signals and a second carry clock signal are electrically connected to a second stage circuit.

公开(公告)号：US20230215380A1

公开(公告)日：2023-07-06

申请号：US18066759

申请日：2022-12-15

Applicant: LG Display Co., Ltd.

Inventor： KwangSoo KIM ,  YongHo KIM ,  Jaesung PARK

IPC: G09G3/3266 ,  G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G2310/061 ,  G09G2310/0267 ,  G09G2310/0291

Abstract: According to embodiments of the disclosure, a gate driving circuit and a display device may include four buffer groups for driving 4k scan lines, two common logic units for controlling the four buffer groups, and a common sensing circuit controlling to output a sensing driving scan signal to at least one scan line among the 4k scan lines. Thus, it is possible to allow the gate driving circuit to have a low-area structure and to reduce the bezel area of the display device.

公开(公告)号：US20240290264A1

公开(公告)日：2024-08-29

申请号：US18433794

申请日：2024-02-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Jaesung PARK ,  SooHong CHOI

IPC: G09G3/3233 ,  H10K50/88 ,  H10K59/122 ,  H10K59/131 ,  H10K59/80

CPC classification number: G09G3/3233 ,  H10K50/88 ,  H10K59/131 ,  H10K59/80521 ,  G09G2300/0426 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2330/04 ,  H10K59/122

Abstract: The present disclosure relates to a display panel and a display device that have a pad structure including a defect detection pad and configured to be suitable for a structure in which a gate driving panel circuit is disposed. The display panel and the display device provide advantages of detecting in advance a possibility that a defect accident may occur in the display panel and preventing such a defect accident in the display panel.