公开(公告)号：US12014687B2

公开(公告)日：2024-06-18

申请号：US17978005

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Daeyoung Seo ,  YoungIn Jang

IPC: G09G3/3266 ,  G09G3/20 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G09G3/2092 ,  G11C19/28 ,  G09G2300/0852 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0291 ,  G09G2310/08

Abstract: Disclosed is a gate driving circuit comprising a plurality of stage circuits dependently connected to each other and configured to output ‘j’ output signals ('j′ is an integer of 2 or more), wherein each of the plurality of stage circuits includes a logic controller for controlling a voltage of each of first and second nodes, and an output circuit unit for outputting each of ‘j’ clock signals as the ‘j’ output signal in response to the voltage of the first node, wherein the output circuit unit includes ‘j’ output buffers for outputting each of the ‘j’ clock signals as the ‘j’ output signal through an output node in response to the voltage of the first node, and a capacitor prepared between the first node and the output node of some of the ‘j’ output buffers.

公开(公告)号：US20240096252A1

公开(公告)日：2024-03-21

申请号：US18359657

申请日：2023-07-26

Applicant: LG Display Co., Ltd.

Inventor： YoungIn Jang ,  Subin Kim ,  KyungYun Kang

IPC: G09G3/00 ,  G09G5/02

CPC classification number: G09G3/006 ,  G09G5/02

Abstract: A display apparatus includes a display panel in which pixels, signal lines connected to the pixels, and gate lines supplying gate signals to the pixels are provided, and link lines provided on a rear surface of the display panel and connected to the signal lines provided on a front surface of the display panel, wherein a test unit is provided at ends of the link lines on the rear surface.

公开(公告)号：US11776485B2

公开(公告)日：2023-10-03

申请号：US17565361

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： EunJi Park ,  KyungMin Kim ,  YoungIn Jang

IPC: G09G3/3291 ,  G09G3/3258

CPC classification number: G09G3/3291 ,  G09G3/3258 ,  G09G2300/026

Abstract: A display includes a display area having pixels arranged along a first direction and a second direction crossing the first direction over a substrate. Gate lines, data lines, and reference voltage lines are disposed at the display area and are coupled to the pixels. A gate driving circuit includes stage circuit units disposed at the display area and coupled to each of the gate lines. The stage circuit units include branch circuits divisionally disposed between the pixels along the first direction and a branch network disposed at a network line formation portion positioned at one side of each of the pixels disposed along the first direction. The branch network includes control node lines and network lines selectively coupled to the branch circuits. An additional pattern portion is disposed at the network line formation portion to overlap a reference voltage line disposed at each of some of the pixels.

公开(公告)号：US20220208130A1

公开(公告)日：2022-06-30

申请号：US17565361

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： EunJi Park ,  KyungMin Kim ,  YoungIn Jang

IPC: G09G3/3291 ,  G09G3/3258

Abstract: A display apparatus includes a display area having pixels arranged along a first direction and a second direction crossing the first direction over a substrate. Gate lines, data lines, and reference voltage lines are disposed at the display area and are coupled to the pixels. A gate driving circuit includes stage circuit units disposed at the display area and coupled to each of the gate lines. The stage circuit units include branch circuits divisionally disposed between the pixels along the first direction and a branch network disposed at a network line formation portion positioned at one side of each of the pixels disposed along the first direction. The branch network includes control node lines and network lines selectively coupled to the branch circuits. An additional pattern portion is disposed at the network line formation portion to overlap a reference voltage line disposed at each of some of the pixels.