US 12,148,383 B2
Pixel circuit and driving method therefor, and display device
Yao Huang, Beijing (CN); Binyan Wang, Beijing (CN); Zhi Wang, Beijing (CN); and Chao Wu, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/283,486
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Nov. 10, 2021, PCT No. PCT/CN2021/129888
§ 371(c)(1), (2) Date Sep. 22, 2023,
PCT Pub. No. WO2022/199046, PCT Pub. Date Sep. 29, 2022.
Claims priority of application No. 202110309409.1 (CN), filed on Mar. 23, 2021.
Prior Publication US 2024/0177669 A1, May 30, 2024
Int. Cl. G09G 3/3233 (2016.01); G09G 3/3266 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 3/3266 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/062 (2013.01); G09G 2310/08 (2013.01)] 18 Claims
OG exemplary drawing
 
1. 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.