TOUCH DISPLAY PANEL AND ASSOCIATED DRIVING CIRCUIT AND DRIVING METHOD
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United States of America Patent
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app pub date -
Mar 4, 2016
filing date -
Oct 26, 2015
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Abandoned
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Abstract
A driving circuit for a touch display panel is selectively operable in a display mode or a touch mode. The driving circuit includes a touch driving circuit and a display driving circuit. When the driving circuit operates in the display mode, the display driving circuit transmits corresponding data to multiple data lines of a pixel array of the touch display panel. When the driving circuit operates in the touch mode, the touch driving circuit transmits a driving signal to a common electrode of the touch display panel, and the display driving circuit controls at least a part of multiple gate lines and multiple data lines of the pixel array to cause that part to have a signal waveform at least partially same as that of the driving signal. A voltage of the common electrode reflects a touch action.
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