In-cell touch apparatus and a water mode detection method thereof

A water mode detection method includes: operating a normal touch detection operation on each of a plurality of touch detection unit groups during each of a plurality of normal scan periods to obtain a first detection result; operating a dummy touch detection operation on a first touch detection grou...

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Bibliographic Details
Main Authors Chuang, Chun-Kai, Yang, Fong-Wei, Chang, Chung-Wen, Tsai, Chih-Chen
Format Patent
LanguageEnglish
Published 11.02.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A water mode detection method includes: operating a normal touch detection operation on each of a plurality of touch detection unit groups during each of a plurality of normal scan periods to obtain a first detection result; operating a dummy touch detection operation on a first touch detection group of the touch detection unit groups to obtain a second detection result during a dummy scan period, and setting a common voltage of a second touch detection group of a plurality of non-scanned touch detection unit groups to a reference ground during the dummy touch detection operation; and generating a water mode detection result according to the first detection result and the second detection result.
Bibliography:Application Number: US201715620393