Patent ID: 9535531
Date: 2017-01-03
CPC Classifications: G06F,G09G,H01L

Claim:
1. An Active Matrix Organic Light Emitting Diode (AMOLED) pixel unit circuit, comprising a light emitting circuit, an amplifying and driving circuit, a threshold compensation circuit, a light emitting control-circuit, a touch sensing circuit and a sensing signal outputting circuit, wherein the amplifying and driving circuit is configured to amplify a sensing signal generated by the touch sensing circuit, output the sensing signal through the sensing signal outputting circuit, and drive the light emitting circuit; the light emitting control-circuit is configured to control the light emitting circuit to emit light; the threshold compensation circuit is configured to compensate a threshold voltage of the amplifying and driving circuit; the touch sensing circuit is configured to generate the sensing signal and output the sensing signal to the amplifying and driving circuit; and the sensing signal outputting circuit is configured to output the sensing signal amplified by the amplifying and driving circuit, wherein the amplifying and driving circuit comprises a first transistor, wherein a gate electrode of the first transistor is directly connected to a first node of the AMOLED pixel unit circuit, and a source electrode and a drain electrode of the first transistor are directly connected to a second node and a third node of the AMOLED pixel unit circuit, respectively, wherein the first node is a point directly connecting the amplifying and driving circuit and the threshold compensation circuit; the second node is a point directly connecting the amplifying and driving circuit, the light emitting control circuit, and the sensing signal outputting circuit; and the third node is a point directly connecting the amplifying and driving circuit, the light emitting control circuit, and the threshold compensation circuit.