Patent ID: 9645662
Date: 2017-05-09
CPC Classifications: G06F,G09G

Claim:
1. A pixel circuit comprising a pixel compensation module, a light emitting module and a touch detection module; wherein the pixel compensation module comprises first to fifth switch units, a pixel driving unit and an energy storage unit; a first terminal of the first switch unit is connected to a first operating voltage, a second terminal of the first switch unit is connected to an input terminal of the pixel driving unit, and a control terminal of the first switch unit is connected to a first scan signal line; a first terminal of the second switch unit is connected to a second terminal of the energy storage unit, a second terminal of the second switch unit is grounded, a control terminal of the second switch unit is connected to a third scan signal line; a first terminal of the third switch unit is connected to a first terminal of the energy storage unit, a second terminal of the third switch unit is connected to a data voltage, a control terminal of the third switch unit is connected to a fourth scan signal line; a first terminal of the fourth switch unit is connected to an output terminal of the pixel driving unit, a second terminal of the fourth switch unit is connected to the second terminal of the energy storage unit, a control terminal of the fourth switch unit is connected to the fourth scan signal line; a first terminal of the fifth switch unit is connected to the output terminal of the pixel driving unit, a second terminal of the fifth switch unit is connected to the light emitting module, a control terminal of the fifth switch unit is connected to a second scan signal line; a control terminal of the pixel driving unit is connected to the second terminal of the energy storage unit; and the touch detection module comprises a detection sub-module and an output sub-module, wherein the detection sub-module is connected to the third scan signal line, a second operating voltage and the data voltage respectively for detecting a touch signal, and the output sub-module is connected to the fourth scan signal line, a touch signal read line and the detection sub-module respectively for outputting a touch detection signal to the touch signal read line according to an input of the fourth scan signal line.