TOUCH-SENSITIVE DISPLAY PANEL
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Dec 28, 2012
filing date -
Dec 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch-sensitive display panel includes a first substrate, a second substrate, a display medium layer, a counter electrode layer and an active device matrix. The active device matrix includes a plurality of scan lines, a plurality of data lines and a plurality of active devices. When the touch-sensitive display panel is touched, touch positions are recognized by detecting variations in a first RC time constant and a second RC time constant, the first RC time constant varies according to variations in a coupling capacitance formed between at least part of the scan lines being touched and the counter electrode layer, and the second RC time constant varies according to variations in a coupling capacitance formed between at least part of the data lines being touched and the counter electrode layer.
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