IN-CELL TOUCH DISPLAY PANEL SYSTEM WITH INCREASED ACCURACY OF TOUCH POSITIONS
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Jun 7, 2013
filing date -
Jun 8, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An in-cell touch display panel system with increased accuracy of touch positions includes a panel display unit, a touch unit, a display unit power supply, and a touch unit power supply. The display unit power supply has a power supply end and a ground end for supplying power to the panel display unit. The touch unit power supply has a first switch, a second switch and an energy storage device. The first switch has one end connected to the power supply end and the other end connected to one end of the energy storage device. The second switch has one end connected to the ground end and the other end connected to the other end of the energy storage device. When the touch unit performs a touching detection, the first and second switches disconnect the energy storage device from the power supply end and the ground end.
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