Pixel Driving Circuit, Display Device and Driving Method
AssigneesBoe Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
InventorsZuquan Hu, Xiping Wang
Life of this patent
Estimating the term…
Abstract
A pixel driving circuit, a display device and a driving method are disclosed; the pixel driving circuit includes a control sub-circuit, a charging sub-circuit, a driving sub-circuit and a light-emitting sub-circuit the control sub-circuit is used to control the first thin film transistor to charge the charging sub-circuit, and the charging sub-circuit is used to provide a voltage to the driving sub-circuit to drive the light-emitting sub-circuit to emit light.
Claims19
A pixel driving circuit, comprising:
- a control sub-circuit, a charging sub-circuit, a driving sub-circuit and a light-emitting sub-circuit,
- wherein the control sub-circuit is connected with a data line and a control line, and the control sub-circuit is connected with the driving sub-circuit through a first node and a second node;
- the charging sub-circuit is connected with the driving sub-circuit through the first node and a third node;
- a first end of the light-emitting sub-circuit is connected with the driving sub-circuit, and a second end of the light-emitting sub-circuit is connected with a first power supply or a second power supply;
- the driving sub-circuit comprises a first thin film transistor;
- and
- the control sub-circuit is configured to control the first thin film transistor to charge the charging sub-circuit through the first node and the third node, the charging sub-circuit is configured to provide a voltage to the driving sub-circuit through the first node, and the driving sub-circuit is configured to drive the light-emitting sub-circuit to emit light.
A driving method of a pixel driving circuit, wherein the driving method is based on a pixel driving circuit, the pixel driving circuit comprises a control sub-circuit, a charging sub-circuit, a driving sub-circuit, a light-emitting sub-circuit, and a first power supply, the driving method comprises:
- controlling the driving sub-circuit to charge the charging sub-circuit by the control sub-circuit;
- and
- providing a voltage to the driving sub-circuit by the charging sub-circuit so as to drive the light-emitting sub-circuit to emit light.
Dependencies are inferred from the claim text.