Touch panel, touch screen apparatus, and method of driving the touch panel

摘要

A touch panel configured to drive a liquid crystal according to a voltage difference between first and second electrodes. The touch panel includes at least one display unit configured to generate an image voltage and apply the image voltage to the first electrode. The image voltage corresponds to image data to be displayed in response to activation of a display gate line. The touch panel further includes at least one sensing unit configured to sense, in response to activation of a sensor gate line, a voltage variation of the second electrode to determine whether a finger capacitance is generated by a physical touch on the touch panel.

主权项

1. A touch panel configured to drive a liquid crystal according to a voltage difference between first and second electrodes, the touch panel comprising:
at least one display unit configured to,
generate an image voltage and apply the image voltage to the first electrode, the image voltage corresponding to image data to be displayed in response to activation of a display gate line, and at least one sensing unit configured to sense, in response to activation of a sensor gate line, a voltage variation of the second electrode to determine whether a finger capacitance is generated by a physical touch on the touch panel, wherein, while the sensor gate line is activated, the first electrode floats so that the voltage difference between the first and second electrodes used in driving the liquid crystal is maintained.