IN-CELL TOUCH SCREEN AND A CONCURRENT SENSING CIRCUIT
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United States of America Patent
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Issued Date -
Aug 25, 2016
app pub date -
Jul 17, 2015
filing date -
Feb 19, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A concurrent sensing circuit adaptable to an in-cell touch screen, including a plurality of summing circuits, each of which has a plurality of input ends for receiving a plurality of sensing signals provided at associated sensing points of a display panel, the input ends of each summing circuit either adding the sensing signal or performing no operation, thereby generating a summing signal at an associated output end of the summing circuit; and a plurality of receiving circuits associatively coupled to receive output ends of the summing circuits, respectively, the receiving circuits processing summing signals, thereby generating summing values, respectively, according to which a touch position or positions are determined.
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