Invention Grant
- Patent Title: Touch display device and touch circuit for sensing an active pen touch and finger touch
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Application No.: US17022768Application Date: 2020-09-16
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Publication No.: US11275464B2Publication Date: 2022-03-15
- Inventor: HyungUk Jang , NamYong Gong , SangHyuck Bae , YoungGyu Kim , DoYoung Jung , Hyunsuk Cho , Jongsung 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: Fenwick & West LLP
- Priority: KR10-2019-0134884 20191028
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044
Abstract:
Provided are a touch display device and a touch circuit that can effectively simultaneously sense a plurality of pens in a predetermined touch frame time (a driving time) by simultaneously performing sensing of pen information and sensing of a pen position using pen data.
Public/Granted literature
- US20210124449A1 Touch Display Device and Touch Circuit Public/Granted day:2021-04-29
Information query
