Invention Grant
- Patent Title: Touch sensing device, display device including the same, and method of driving the same
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Application No.: US17197169Application Date: 2021-03-10
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Publication No.: US11650688B2Publication Date: 2023-05-16
- Inventor: Yu Na Kim , Soo Jung Lee , Seung Wook Chun , Bo Ram Choi
- Applicant: SAMSUNG DISPLAY CO., LTD.
- Applicant Address: KR Yongin-si
- Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee Address: KR Yongin-si
- Agency: F. Chau & Associates, LLC
- Priority: KR 20200097894 2020.08.05
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044

Abstract:
A touch sensing device includes touch electrodes, a sensing circuit unit configured to sense a capacitance change value of each of a plurality of touch nodes formed by the touch electrodes, an analog-digital converter configured to output the capacitance change value of each of the plurality of touch nodes as digital touch sensing data, and a touch data compensator configured to analyze the touch sensing data to calculate a touch area ratio and configured to compensate for the touch sensing data according to the touch area ratio.
Information query