Method, Touch Sensitive Processor and Electronic System for Reducing Interference to Liquid Crystal Touch Screen from Touch Driving Signal
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United States of America Patent
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Aug 24, 2017
app pub date -
Feb 21, 2017
filing date -
Feb 19, 2016
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Abstract
The present invention provides a method for reducing interference to liquid crystal touch screen from touch driving signal, wherein the liquid crystal touch screen comprises a display composed of multiple pixel horizontal axes, multiple parallel first electrodes and multiple parallel second electrodes, multiple intersections are formed by the first electrodes and the second electrodes, the method comprising: concurrently providing sine wave driving signal to at least one of the first electrodes; and sensing the sine wave driving signal via the multiple second electrodes, wherein the multiple pixel horizontal axes are refreshed sequentially during the time interval of providing sine wave driving signal.
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