Invention Grant
- Patent Title: Touch display device, touch panel, touch sensing circuit, and touch sensing method
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Application No.: US17745765Application Date: 2022-05-16
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Publication No.: US11983372B2Publication Date: 2024-05-14
- Inventor: CheolSe Kim , JuHan Kim
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG DISPLAY CO., LTD.
- Current Assignee: LG DISPLAY CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR 20180173153 2018.12.28 KR 20190132497 2019.10.23
- The original application number of the division: US16720629 2019.12.19
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041

Abstract:
The present disclosure relates to a touch display device, a touch panel, a touch sensing circuit and a touch sensing method. In the touch display device, the touch panel, and the touch sensing circuit, and in the method of performing touch sensing therein, a structure in which a plurality of touch sensor groups is arranged is provided, and one of a self-capacitance touch sensing scheme and a mutual-capacitance touch sensing scheme is adaptively implemented according to the type and position of a touch event. Therefore, the number of signal lines and the number of touch channels may be reduced, and the ghost phenomenon can be reduced or be overcome when multiple touches occur.
Public/Granted literature
- US20220276745A1 TOUCH DISPLAY DEVICE, TOUCH PANEL, TOUCH SENSING CIRCUIT, AND TOUCH SENSING METHOD Public/Granted day:2022-09-01
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