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US 2024/0177669 A1Published application
Pixel circuit and driving method therefor, and display device
AssigneesChengdu Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsYao HUANG, Binyan WANG, Zhi WANG, Chao WU
Life of this patent
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Abstract
A pixel circuit and a driving method therefor, and a display device are provided. The pixel circuit includes a driving subcircuit, a first light emitting control subcircuit, a second light emitting control subcircuit, a first switching subcircuit, a second switching subcircuit, a third switching subcircuit, a fourth switching subcircuit and an energy storage subcircuit.
Claims18
A pixel circuit, comprising:
- a driving subcircuit with a first terminal connected to a first node, a second terminal connected to a second node, and a control terminal connected to a third node;
- a first light emitting control subcircuit with a first terminal connected to a first power supply terminal, a second terminal connected to the first node, and a control terminal connected to a first light emitting control terminal;
- a second light emitting control subcircuit with a first terminal connected to the second node, a second terminal connected to a first terminal of a light emitting element, and a control terminal connected to a second light emitting control terminal;
- a first switching subcircuit with a first terminal connected to a data signal terminal, a second terminal connected to the first node, and a control terminal connected to a first scanning signal terminal;
- a second switching subcircuit with a first terminal connected to an initialization terminal, a second terminal connected to the light emitting element, and a control terminal connected to a second scanning signal terminal;
- a third switching subcircuit with a first terminal connected to the second node, a second terminal connected to the third node, and a control terminal connected to the second scanning signal terminal;
- a fourth switching subcircuit with a first terminal connected to the second node, a second terminal connected to the third node, and a control terminal connected to the first scanning signal terminal;
- and
- an energy storage subcircuit with a first terminal connected to the first power supply terminal, and a second terminal connected to the third node, a second terminal of the light emitting element being connected to a second power supply terminal.
6 more elements
A display device, comprising a pixel circuit, wherein the pixel circuit comprises:
- a driving subcircuit with a first terminal connected to a first node, a second terminal connected to a second node, and a control terminal connected to a third node;
- a first light emitting control subcircuit with a first terminal connected to a first power supply terminal, a second terminal connected to the first node, and a control terminal connected to a first light emitting control terminal;
- a second light emitting control subcircuit with a first terminal connected to the second node, a second terminal connected to a first terminal of a light emitting element, and a control terminal connected to a second light emitting control terminal;
- a first switching subcircuit with a first terminal connected to a data signal terminal, a second terminal connected to the first node, and a control terminal connected to a first scanning signal terminal;
- a second switching subcircuit with a first terminal connected to an initialization terminal, a second terminal connected to the light emitting element, and a control terminal connected to a second scanning signal terminal;
- a third switching subcircuit with a first terminal connected to the second node, a second terminal connected to the third node, and a control terminal connected to the second scanning signal terminal;
- a fourth switching subcircuit with a first terminal connected to the second node, a second terminal connected to the third node, and a control terminal connected to the first scanning signal terminal;
- and
- an energy storage subcircuit with a first terminal connected to the first power supply terminal, and a second terminal connected to the third node, a second terminal of the light emitting element being connected to a second power supply terminal.
6 more elements
Dependencies are inferred from the claim text.