US 12,283,234 B2
Pixel driving circuit and driving method therefor, and display panel and display apparatus
Can Wang, Beijing (CN); Yan Qu, Beijing (CN); Can Zhang, Beijing (CN); Minghua Xuan, Beijing (CN); Xiaochuan Chen, Beijing (CN); Ning Cong, Beijing (CN); Jinfei Niu, Beijing (CN); and Jingjing Zhang, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Apr. 23, 2024, as Appl. No. 18/642,994.
Application 18/642,994 is a continuation of application No. PCT/CN2022/107495, filed on Jul. 22, 2022.
Prior Publication US 2024/0274069 A1, Aug. 15, 2024
Int. Cl. G09G 3/32 (2016.01)
CPC G09G 3/32 (2013.01) [G09G 2300/0842 (2013.01); G09G 2310/027 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pixel driving circuit, wherein the pixel driving circuit is used to drive a light-emitting unit to emit light, and the pixel driving circuit comprises:
a driving circuit, connected to a first power terminal, a first node, and the light-emitting unit, and configured to provide driving current to the light-emitting unit using the first power terminal according to a voltage of the first node;
a first light-emitting control circuit, connected to a first digital signal terminal, connected in series with the driving circuit between the first power terminal and the light-emitting unit, and configured to turn on or off a current path between the first power terminal and the light-emitting unit in response to a first digital signal of the first digital signal terminal; and
a first digital circuit, comprising a first signal conversion circuit, wherein the first signal conversion circuit is connected to a first analog signal terminal and the first digital signal terminal, and is configured to input the first digital signal to the first digital signal terminal according to a first analog signal of the first analog signal terminal.