公开(公告)号：US20230059891A1

公开(公告)日：2023-02-23

申请号：US17893035

申请日：2022-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wooram Oh ,  JeHyung Park ,  KyungSu Ha ,  Dayeong Lee ,  SeungHo Park

IPC: G06F3/044 ,  G06F3/041

Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.

公开(公告)号：US11928300B2

公开(公告)日：2024-03-12

申请号：US17901795

申请日：2022-09-01

Applicant: LG Display Co., Ltd.

Inventor： KyungSu Ha ,  Wooram Oh

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/04166 ,  G06F3/0445

Abstract: Disclosed herein is a touch display device and a display panel. The touch display device includes a display panel in which a plurality of X-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of X-touch lines, and a plurality of Y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of Y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of X-touch electrode lines and receive the touch sensing signal from the Y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of X-touch lines overlap at least some of the plurality of Y-touch lines are different.

公开(公告)号：US20250165099A1

公开(公告)日：2025-05-22

申请号：US18899524

申请日：2024-09-27

Applicant: LG Display Co., Ltd.

Inventor： Jinyong Jang ,  Sangug An ,  KyungSu Ha

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/40

Abstract: Embodiments of the disclosure relate to a touch display device and a display panel and, more specifically, to a touch display device, comprising a display panel including a plurality of touch electrode lines disposed in a display area and at least one pseudo-touch electrode line disposed in a non-display area and a touch circuit supplying a touch driving signal through a plurality of touch lines respectively connected to the plurality of touch electrode lines and supplying a pseudo-touch driving signal having a phase opposite to that of the touch driving signal through a pseudo-touch line connected to the at least one pseudo-touch electrode line, wherein at least some of the plurality of touch lines are formed to have different line widths according to positions of the plurality of touch electrode lines.

公开(公告)号：US11531423B2

公开(公告)日：2022-12-20

申请号：US17521149

申请日：2021-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Wooram Oh ,  KyungSu Ha

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch display device comprises a display panel in which a plurality of touch electrodes including a plurality of X-touch electrodes extending to a first direction and a plurality of Y-touch electrodes extending to a second direction, and a plurality of subpixels are disposed; and a touch driving circuit supplying a touch driving signal to the display panel, sensing a touch by detecting a touch sensing signal, and overlapping with a turn-off section of a first switch transmitting the touch sensing signal and a turn-on section of a second switch resetting the touch sensing signal transmitted through the first switch.

公开(公告)号：US12001639B2

公开(公告)日：2024-06-04

申请号：US17893035

申请日：2022-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wooram Oh ,  JeHyung Park ,  KyungSu Ha ,  Dayeong Lee ,  SeungHo Park

IPC: G06F3/044 ,  G06F3/041 ,  G02F1/1333 ,  H10K59/122 ,  H10K59/40

CPC classification number: G06F3/0446 ,  G06F3/04164 ,  G02F1/13338 ,  G06F3/0412 ,  G06F2203/04111 ,  G06F2203/04112 ,  H10K59/122 ,  H10K59/40

Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.

公开(公告)号：US20230069937A1

公开(公告)日：2023-03-09

申请号：US17901795

申请日：2022-09-01

Applicant: LG Display Co., Ltd.

Inventor： KyungSu Ha ,  Wooram Oh

IPC: G06F3/044 ,  G06F3/041

Abstract: Disclosed herein is a touch display device and a display panel. The touch display device includes a display panel in which a plurality of X-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of X-touch lines, and a plurality of Y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of Y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of X-touch electrode lines and receive the touch sensing signal from the Y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of X-touch lines overlap at least some of the plurality of Y-touch lines are different.