US 12,406,622 B2
Pixel driving circuit and driving method thereof, display panel, and display apparatus
Ning Cong, Beijing (CN); Li Xiao, Beijing (CN); Haoliang Zheng, Beijing (CN); Can Zhang, Beijing (CN); Minghua Xuan, Beijing (CN); Xiaochuan Chen, Beijing (CN); Can Wang, Beijing (CN); Jinfei Niu, Beijing (CN); and Jingjing Zhang, Beijing (CN)
Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/263,043
Filed by BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jul. 21, 2022, PCT No. PCT/CN2022/107194
§ 371(c)(1), (2) Date Jul. 26, 2023,
PCT Pub. No. WO2024/016284, PCT Pub. Date Jan. 25, 2024.
Prior Publication US 2025/0014514 A1, Jan. 9, 2025
Int. Cl. G09G 3/3233 (2016.01); G09G 3/32 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 3/32 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/027 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/062 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/02 (2013.01); G09G 2330/021 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A pixel driving circuit, comprising:
a driving sub-circuit coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, the driving sub-circuit being configured to, in response to a signal received at the scan signal terminal, write a data signal received at the data signal terminal into the driving sub-circuit; and the driving sub-circuit being further configured to, generate a driving signal according to the written data signal and a first voltage signal received at the first power supply voltage terminal, and in response to an enable signal received at the enable signal control terminal, transmit the driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off; and
a control sub-circuit coupled to a control signal terminal, a first enable signal terminal, a second enable signal terminal and the enable signal control terminal, the control sub-circuit being configured to, in response to a signal received at the control signal terminal, transmit a signal received at the first enable signal terminal to the enable signal control terminal, or transmit a signal received at the second enable signal terminal to the enable signal control terminal;
wherein the driving sub-circuit includes a data writing sub-circuit and a driving signal generating sub-circuit, wherein
the data writing sub-circuit is coupled to the data signal terminal, the scan signal terminal and a second node, and the data writing sub-circuit is configured to, in response to a scan signal received at the scan signal terminal, transmit the data signal received at the data signal terminal to the second node;
the driving signal generating sub-circuit is coupled to the second node, the first power supply voltage terminal, the enable signal control terminal and the element to be driven, and the driving signal generating sub-circuit is configured to, in response to the enable signal received at the enable signal control terminal and a voltage at the second node, generate the driving signal according to the first voltage signal received at the first power supply voltage terminal; and the driving signal generating sub-circuit is further configured to, in response to the enable signal received at the enable signal control terminal, control a current path through which the driving signal is transmitted to the element to be driven to be turned on and off.