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1. (WO2018043902) TOUCH DETECTING METHOD AND TOUCH DETECTING DEVICE USING SAME

Pub. No.:    WO/2018/043902    International Application No.:    PCT/KR2017/007053
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Wed Jul 05 01:59:59 CEST 2017
IPC: G06F 3/041
G06F 3/044
Applicants: MELFAS INC.
(주)멜파스
Inventors: RHIM, Byung Sang
임병상
YOU, Jae Woo
유재우
WOO, Min Suk
우민석
Title: TOUCH DETECTING METHOD AND TOUCH DETECTING DEVICE USING SAME
Abstract:
A touch detecting device according to the present embodiment comprises: a touch panel including an electrode forming a self-capacitor with an object thereon; a charge sharing unit including a charge sharing capacitor for charge-sharing with the self-capacitor; a differential signal forming unit for receiving an output signal of the charge sharing unit, and forming a pair of pseudo-differential touch signals to detect a touch by an object; and a control unit for controlling the charge sharing unit to perform charge-sharing and signal outputting.