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：US11874996B2

公开(公告)日：2024-01-16

申请号：US17940919

申请日：2022-09-08

Applicant: LG Display Co., Ltd.

Inventor： Sangug An ,  SungIl Byun

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0446

Abstract: Embodiments of the disclosure relate to a touch display device and a level shifter for a touch display device. Specifically, embodiments of the disclosure may provide a touch display device comprising a plurality of touch electrodes and an overcurrent detection circuit configured to detect a current flowing through at least one touch pad electrically connected with at least one touch electrode among the plurality of touch electrodes. Thus, embodiments of the disclosure may provide a touch display device and a level shifter for a touch display device, which may increase the accuracy of touch sensing and easily determine whether the touch panel has an abnormality.

公开(公告)号：US12182362B2

公开(公告)日：2024-12-31

申请号：US18536058

申请日：2023-12-11

Applicant: LG Display Co., Ltd.

Inventor： Sangug An ,  SungIl Byun

IPC: G06F3/041 ,  G06F3/044

Abstract: Embodiments of the disclosure relate to a touch display device and a level shifter for a touch display device. Specifically, embodiments of the disclosure may provide a touch display device comprising a plurality of touch electrodes and an overcurrent detection circuit configured to detect a current flowing through at least one touch pad electrically connected with at least one touch electrode among the plurality of touch electrodes. Thus, embodiments of the disclosure may provide a touch display device and a level shifter for a touch display device, which may increase the accuracy of touch sensing and easily determine whether the touch panel has an abnormality.

公开(公告)号：US20240103668A1

公开(公告)日：2024-03-28

申请号：US18536058

申请日：2023-12-11

Applicant: LG Display Co., Ltd.

Inventor： Sangug An ,  SungIl Byun

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0446

Abstract: Embodiments of the disclosure relate to a touch display device and a level shifter for a touch display device. Specifically, embodiments of the disclosure may provide a touch display device comprising a plurality of touch electrodes and an overcurrent detection circuit configured to detect a current flowing through at least one touch pad electrically connected with at least one touch electrode among the plurality of touch electrodes. Thus, embodiments of the disclosure may provide a touch display device and a level shifter for a touch display device, which may increase the accuracy of touch sensing and easily determine whether the touch panel has an abnormality.

公开(公告)号：US20230079391A1

公开(公告)日：2023-03-16

申请号：US17940919

申请日：2022-09-08

Applicant: LG Display Co., Ltd.

Inventor： Sangug An ,  SungIl Byun

IPC: G06F3/041

Abstract: Embodiments of the disclosure relate to a touch display device and a level shifter for a touch display device. Specifically, embodiments of the disclosure may provide a touch display device comprising a plurality of touch electrodes and an overcurrent detection circuit configured to detect a current flowing through at least one touch pad electrically connected with at least one touch electrode among the plurality of touch electrodes. Thus, embodiments of the disclosure may provide a touch display device and a level shifter for a touch display device, which may increase the accuracy of touch sensing and easily determine whether the touch panel has an abnormality.