Invention Grant
- Patent Title: Touch display device, touch driving circuit, and touch driving method
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Application No.: US17972467Application Date: 2022-10-24
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Publication No.: US12093485B2Publication Date: 2024-09-17
- Inventor: SunYeop Kim , SungChul Kim , HoonBae Kim , Seongkyu Kang
- 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: Fenwick & West LLP
- Priority: KR 20210187007 2021.12.24
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044

Abstract:
Embodiments of the disclosure relate to a touch display device, a touch driving circuit, and a touch driving method. Specifically, a touch display device comprises a display panel including a plurality of touch electrodes, a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, a touch driving circuit configured to detect touch according to a change in capacitance of the plurality of touch electrodes, and a power management circuit configured to supply a different level of compensation voltages to the plurality of touch electrodes in each of an overlap distortion period in a display driving period, a transition distortion period of the display driving period, and a touch driving period.
Public/Granted literature
- US20230229259A1 Touch Display Device, Touch Driving Circuit, and Touch Driving Method Public/Granted day:2023-07-20
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