Invention Grant
- Patent Title: Touch sensing circuit
- Patent Title (中): 触摸感应电路
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Application No.: US13287607Application Date: 2011-11-02
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Publication No.: US08841927B2Publication Date: 2014-09-23
- Inventor: Yong Sung Ahn , Jung Min Choi , Yong Suk Kim , Hyung Seog Oh
- Applicant: Yong Sung Ahn , Jung Min Choi , Yong Suk Kim , Hyung Seog Oh
- Applicant Address: KR Daejeon-Si
- Assignee: Silicon Works Co., Ltd.
- Current Assignee: Silicon Works Co., Ltd.
- Current Assignee Address: KR Daejeon-Si
- Agency: Kile Park Reed & Houtteman PLLC
- Priority: KR10-2011-0037324 20110421
- Main IPC: G01R27/26
- IPC: G01R27/26 ; G06F3/044 ; G01R23/20 ; G06F3/041
Abstract:
A touch sensing circuit detects a difference in variation of coupling capacitances between mutually adjacent driving electrodes through the use of a differential amplifier, and senses whether or not a touch is made on a touch screen panel, thereby being capable of removing display noise.
Public/Granted literature
- US20120268144A1 TOUCH SENSING CIRCUIT Public/Granted day:2012-10-25
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