Patent ID: 8466892

Claim:
A display apparatus comprising: a display panel which displays an image, wherein the display panel comprises a plurality of pixels; a plurality of sensor circuits, wherein each of the plurality of sensor circuits senses at least two external signals different from each other and outputs a sensing signal; and a detection circuit which receives the sensing signal and detects a position at which the at least two external signals are sensed, wherein each of the plurality of sensor circuits comprises: a plurality of sensors commonly connected to an output terminal, wherein the plurality of sensors senses the at least two external signals and outputs a current signal corresponding to the at least two external signals, and the current signal is output through the output terminal; a scan line which receives a scan signal; a capacitor disposed between the scan line and the output terminal, charged with a first voltage in response to the scan signal, and charged with a second voltage in response to the current signal after the scan line is floated, wherein a level of the first voltage is greater than a level of the second voltage; a switching device which outputs the sensing signal in response to the second voltage; and a readout line which applies the sensing signal output from the switching device to the detection circuit.