US 12,307,966 B2
Pixel circuit, display panel, driving method and display device
Dachao Li, Beijing (CN); Shengji Yang, Beijing (CN); Xiaochuan Chen, Beijing (CN); Zhijian Zhu, Beijing (CN); and Junyan Yang, Beijing (CN)
Assigned to YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD., Yunnan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/257,837
Filed by Yunnan Invensight Optoelectronics Technology Co., Ltd., Yunnan (CN); and BOE TECHNOLOGY GROUP CO., LTD, Beijing (CN)
PCT Filed Jun. 24, 2022, PCT No. PCT/CN2022/101157
§ 371(c)(1), (2) Date Jun. 15, 2023,
PCT Pub. No. WO2023/231097, PCT Pub. Date Dec. 7, 2023.
Claims priority of application No. PCT/CN2022/096196 (WO), filed on May 31, 2022; and application No. PCT/CN2022/098080 (WO), filed on Jun. 10, 2022.
Prior Publication US 2024/0386846 A1, Nov. 21, 2024
Int. Cl. G09G 3/3233 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 2300/0426 (2013.01); G09G 2300/0465 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/045 (2013.01); G09G 2330/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A pixel circuit, comprising a light emitting element, a driving circuit, a first energy storage circuit, a second energy storage circuit, a writing-in control circuit and a first control circuit; wherein
a first terminal of the first energy storage circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the first energy storage circuit is electrically connected to a first terminal of the driving circuit; the first energy storage circuit is used to store electrical energy;
a first terminal of the second energy storage circuit is electrically connected to a control terminal of the driving circuit; the second energy storage circuit is used to store electric energy;
the writing-in control circuit is electrically connected to a first writing-in control terminal, a writing-in terminal and a second terminal of the second energy storage circuit respectively, is configured to control the connection or disconnection between the writing-in terminal and the second terminal of the second energy storage circuit under the control of the first writing-in control signal provided by the first writing-in control terminal;
the first control circuit is electrically connected to a first control terminal, a power supply voltage terminal and a first terminal of the driving circuit, and is used to control the connection or disconnection between the power supply voltage terminal and the first terminal of the driving circuit under the control of a first control signal provided by the first control terminal;
a second terminal of the driving circuit is electrically connected to the light emitting element, and the driving circuit is configured to generate a driving current for driving the light emitting element under the control of a potential of the control terminal of the driving circuit;
wherein the first control circuit is configured to control the connection between the power supply voltage terminal and the first terminals of the driving circuit in two discontinuous phases in one display period under the control of the first control signal.