US 12,266,301 B2
Pixel circuit and driving method therefor, display substrate, and display apparatus
Seungwoo Han, Beijing (CN); Haoliang Zheng, Beijing (CN); Li Xiao, Beijing (CN); Dongni Liu, Beijing (CN); Liang Chen, Beijing (CN); Hao Chen, Beijing (CN); Jiao Zhao, Beijing (CN); and Minghua Xuan, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/772,029
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jun. 30, 2021, PCT No. PCT/CN2021/103341
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2023/272540, PCT Pub. Date Jan. 5, 2023.
Prior Publication US 2024/0395197 A1, Nov. 28, 2024
Int. Cl. G09G 3/3233 (2016.01); G09G 3/20 (2006.01)
CPC G09G 3/3233 (2013.01) [G09G 3/2007 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0247 (2013.01); G09G 2330/021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pixel circuit, comprising:
a first driving circuit electrically connected to at least a scanning signal terminal, a first data signal terminal, a first voltage signal terminal and a first node, the first driving circuit being configured to write a first data signal received at the first data signal terminal into the first node in response to a scanning signal received at the scanning signal terminal;
a first control circuit electrically connected to an enable signal terminal, the first voltage signal terminal and the first driving circuit, the first control circuit being configured to be further electrically connected to a light-emitting device, wherein the first control circuit is further configured to transmit a first voltage signal from the first voltage signal terminal to the first driving circuit, and to transmit a first driving signal generated by the first driving circuit according to a voltage of the first node and the first voltage signal transmitted by the first voltage signal terminal to the light-emitting device in response to an enable signal received at the enable signal terminal;
a second driving circuit electrically connected to at least the scanning signal terminal, a second data signal terminal, a second node and the first voltage signal terminal, the second driving circuit being configured to write a second data signal received at the second data signal terminal into the second node in response to the scanning signal; and
a second control circuit electrically connected to a control signal terminal and the second driving circuit, the second control circuit being configured to be further electrically connected to the light-emitting device, wherein the second control circuit is further configured to transmit a second driving signal generated by the secondi driving circuit according to a voltage of the second node and the first voltage signal from the first voltage signal terminal to the light-emitting device in response to a control signal received at the control signal terminal.