Patent ID: 9626035
Date: 2017-04-18
CPC Classifications: G06F,G09G

Claim:
1. An organic light emitting diode pixel circuit comprising: a light emitting module which comprises an organic light emitting diode for emitting light; a light emitting control module comprising a fourth thin film transistor and a fifth thin film transistor, which is configured for controlling the light emitting module to emit light; a driving module comprising a first thin film transistor, which is configured for driving the light emitting control module, so as to control the light emitting module to emit light; a threshold compensation module comprising a second thin film transistor and a storage capacitor, which is configured for compensating threshold voltage of the driving module; and a data signal input module comprising a sixth thin film transistor, which is configured for inputting a data signal; wherein the organic light emitting diode pixel circuit further comprises: a touch sensing module, which is configured for generating a touch sensing signal and outputting the touch sensing signal to the driving module, the touch sensing module comprising a seventh thin film transistor and a detection device for touch detection, a gate electrode of the seventh thin film transistor is connected to a first control signal for the preceding row of pixels each including the OLED pixel circuit a source electrode and a drain electrode of the seventh thin film transistor are connected to the first node and one terminal of the detection device respectively; wherein, the first node is a connection point of the threshold compensation module and the driving module; a touch detection module comprising a third thin film transistor, which is configured for detecting the touch sensing signal from the driving module, and providing an initial voltage for the threshold compensation module; wherein the driving module amplifies the touch sensing signal generated by the touch sensing module and then outputs it to the touch detection module.