Patent ID: 9703414
Date: 2017-07-11
CPC Classifications: G06F,G09G

Claim:
1. A pixel circuit, comprising: a touch detection unit, a light emitting device and a light emitting control unit; wherein, a first input terminal of the touch detection unit is connected with a data signal terminal, a second input terminal of the touch detection unit is connected with a touch signal input terminal, a first control terminal of the touch detection unit is connected with a reset signal terminal, a second control terminal of the touch detection unit is connected with a scanning signal terminal, and an output terminal of the touch detection unit is connected with a touch signal read terminal; a first input terminal of the light emitting control unit is connected with the data signal terminal, a second input terminal of the light emitting control unit is connected with a high level signal terminal, a third input terminal of the light emitting control unit is connected with a reference signal terminal, a first control terminal of the light emitting control unit is connected with the reset signal terminal, a second control terminal of the light emitting control unit is connected with the scanning signal terminal, a third control terminal of the light emitting control unit is connected with a light emitting signal terminal, and an output terminal of the light emitting control unit is connected with the light emitting device; during a reset phase, under a control of the reset signal terminal, the touch detection unit and the light emitting control unit are reset respectively; during a touch read phase, under a control of the scanning signal terminal, the touch detection unit outputs a touch detection signal to the touch signal read terminal, meanwhile the light emitting control unit is charged; and during a light emitting phase, under a control of the light emitting signal terminal, the light emitting control unit drives the light emitting device to emit light.