公开(公告)号：US20240256065A1

公开(公告)日：2024-08-01

申请号：US18544601

申请日：2023-12-19

Applicant: LG Display Co., Ltd

Inventor： Jeonghoon LEE ,  DeukSu LEE ,  Sangkyu KIM ,  SeungRok SHIN ,  Yoonnara JANG

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/04166 ,  G06F3/0443 ,  G06F3/0446

Abstract: A method for sensing contactless touch using a touch sensor structure that senses contacting touch by operating some of touch electrode lines operating as touch driving electrodes and some of touch electrode lines operating as touch sensing electrodes upon contacting touch driving, as touch driving electrodes for sensing contactless touch, in a contactless touch driving period distinct from a contacting touch driving period.

公开(公告)号：US20150123939A1

公开(公告)日：2015-05-07

申请号：US14461145

申请日：2014-08-15

Applicant: LG DISPLAY CO., LTD.

Inventor： YoungGyu KIM ,  ByoungGwan LEE ,  Yoonnara JANG ,  Kyounghwan KIM ,  Sujin KWON

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: The present disclosure is related to a touch sensing system and a display apparatus decreasing a sensing time and enabling an effective touch sensing, although a number of sensing electrodes increases according to an increase of an area of a touch panel.

Abstract translation: 本公开涉及一种触摸感测系统和显示装置，其减少感测时间并实现有效的触摸感测，尽管多个感测电极根据触摸面板的面积的增加而增加。

公开(公告)号：US20240256061A1

公开(公告)日：2024-08-01

申请号：US18475953

申请日：2023-09-27

Applicant: LG Display Co., Ltd.

Inventor： Sangkyu KIM ,  SeungRok SHIN ,  DeukSu LEE ,  Yoonnara JANG ,  Jeonghoon LEE

IPC: G06F3/041

CPC classification number: G06F3/0412 ,  G06F3/04164

Abstract: Embodiments of the disclosure may insert a break period when the gate line is not driven, such as a blank period, of an active period of a frame period and perform touch sensing, driven in the same manner as touch sensing driven in the blank period, in the break period, thereby reducing the influence of display driving on touch sensing and enhancing touch sensing performance.

公开(公告)号：US20240049534A1

公开(公告)日：2024-02-08

申请号：US18305945

申请日：2023-04-24

Applicant: LG DISPLAY CO., LTD

Inventor： SeungRok SHIN ,  Sangkyu KIM ,  Jeonghoon LEE ,  DeukSu LEE ,  Yoonnara JANG

IPC: H10K59/131 ,  H10K59/80 ,  H10K59/40

CPC classification number: H10K59/131 ,  H10K59/873 ,  H10K59/40

Abstract: A touch display device is disclosed that divides an active area into a reference touch area and a non-reference touch area and independently drives touch electrode lines positioned in the reference touch area and touch electrode lines positioned in the non-reference touch area. Touch sensing performance is enhanced while preventing or reducing signal distortion due to a difference in unit touch sensors in the reference touch area and the non-reference touch area.

公开(公告)号：US20230214050A1

公开(公告)日：2023-07-06

申请号：US18083605

申请日：2022-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： SeungRok SHIN ,  Sangkyu KIM ,  Yoonnara JANG ,  Jeonghoon LEE ,  DeukSu LEE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04164 ,  G06F3/0446 ,  G06F3/0443 ,  G06F2203/04107 ,  G06F3/0412 ,  G06F2203/04111

Abstract: The present disclosure is directed to a touch display device that is capable of reducing a load of a touch sensor structure disposed in a display panel and improving the accuracy of touch sensing capabilities of the touch display device. In one aspect, touch electrode lines disposed on an active area are disposed to be separated into a plurality of sub-areas. A number of touch routing lines connected to the touch electrode lines are disposed on the active area, thus a touch sensor structure with a reduced load can be provided while minimizing an increase of a non-active area due to an arrangement of the touch routing lines.

公开(公告)号：US20170090673A1

公开(公告)日：2017-03-30

申请号：US14981087

申请日：2015-12-28

Applicant: LG Display Co., Ltd.

Inventor： Younggyu KIM ,  Byounggwan LEE ,  Yoonnara JANG

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/044 ,  G09G2310/0297 ,  G09G2354/00

Abstract: A display device includes a deviation compensating circuit to receive a feedback touch driving signal from a sensor line connected to one of a plurality of touch sensor, receive a first feedback AC (alternating current) signal from a data line connected to one of a plurality of pixels, receive a second feedback AC signal from a gate line connected to the pixels, detect a phase deviation and an amplitude deviation between the feedback touch driving signal and the first and the second feedback AC signals, and generate a compensation touch driving signal, a first compensation AC signal, and a second compensation AC signal for compensating for the phase deviation and the amplitude deviation.