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US 2018/0025693 A1Published application
Liquid crystal driving circuit and liquid crystal display device
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorsYong TIAN, Xin ZHANG
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Abstract
The present invention provides a liquid crystal driving circuit for providing power to the pixel units of a liquid crystal display device. The present invention further provides the liquid crystal display device, which comprises pixel units and the liquid crystal driving circuit.
Claims20
A liquid crystal driving circuit for providing power to pixel units of a liquid crystal display device, comprising:
- a first electrical switch comprising a control terminal of the first electrical switch, a first terminal of the first electrical switch, and a second terminal of the first electrical switch;
- a second electrical switch comprising a control terminal of the second electrical switch, a first terminal of the second electrical switch, and a second terminal of the second electrical switch;
- a third electrical switch comprising a control terminal of the third electrical switch, a first terminal of the third electrical switch, and a second terminal of the third electrical switch;
- a fourth electrical switch comprising a control terminal of the fourth electrical switch, a first terminal of the fourth electrical switch, and a second terminal of the fourth electrical switch;
- and
- a fifth electrical switch comprising a first terminal of the fifth electrical switch, and a second terminal of the fifth electrical switch;
- a first capacitor comprising a first terminal of the first capacitor and a second terminal of the first capacitor;
- a second capacitor comprising a first terminal of the second capacitor and a second terminal of the second capacitor;
- a third capacitor comprising a first terminal of the third capacitor and a second terminal of the third capacitor;
- and
- a fourth capacitor comprising a first terminal of the fourth capacitor and a second terminal of the fourth capacitor;
- wherein the control terminal of the first electrical switch, the control terminal of the second electrical switch, and the control terminal of the third electrical switch connect with a gate terminal;
- the first terminal of the first capacitor and the first terminal of the second capacitor connect with the control terminal of the first electrical switch;
- the second terminal of the first electrical switch and first terminal of the second electrical switch connect with a data terminal, receiving a charging voltage;
- the first terminal of the third capacitor and the first terminal of the fourth capacitor connect with the second terminal of the second electrical switch and the first terminal of the third electrical switch;
- the second terminal of the first capacitor, the second terminal of the second capacitor, the second terminal of the third capacitor, the second terminal of the fourth capacitor, and the second terminal of the third electrical switch connect with a common terminal, for receiving a common voltage;
- wherein the control terminal of the fourth electrical switch connects with the gate terminal, for receiving a control signal;
- the first terminal of the fourth electrical switch connects with the second terminal of the second electrical switch, the second terminal of the fourth electrical switch connects with the first terminal of the fifth electrical switch;
- the second terminal of the fifth electrical switch connects with the common terminal, for receiving the common voltage.
16 more elements
Dependencies are inferred from the claim text.