Invention Application
- Patent Title: Touch Display Device, a Method of Driving Thereof, Touch Driving Circuit, and Touch Controller
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Application No.: US17368339Application Date: 2021-07-06
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Publication No.: US20220147185A1Publication Date: 2022-05-12
- Inventor: Hyunwoo Kim , Jaehun Jun , Sojung Jung
- 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
- Priority: KR10-2020-0150531 20201111
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041 ; G06F3/046 ; G06F3/0354

Abstract:
The present disclosure relates to a touch display device, a method of driving the touch display device, a touch driving circuit, and a touch controller, for sensing a touch using a touch driving signal whose frequency is changed in sync with a touch driving timing. According to the embodiments of the present disclosure, it is possible to have a high signal-to-noise ratio as well as improved immunity to the EMI, and acquire improved touch sensitivity.
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Information query