US 12,236,875 B2
Pixel driving circuit, display panel and driving method thereof, and display device
Yingteng Zhai, Xiamen (CN)
Assigned to Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd., Xiamen (CN)
Filed by Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd., Xiamen (CN)
Filed on Oct. 11, 2023, as Appl. No. 18/379,021.
Claims priority of application No. 202310798598.2 (CN), filed on Jun. 30, 2023.
Prior Publication US 2024/0038170 A1, Feb. 1, 2024
Int. Cl. G09G 3/3233 (2016.01); G09G 3/20 (2006.01); G09G 3/3291 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 3/2081 (2013.01); G09G 3/3291 (2013.01); G09G 2310/0216 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising a plurality of light-emitting elements and a plurality of pixel driving circuits, wherein a pixel driving circuit of the plurality of pixel driving circuits is electrically connected to a respective light-emitting element of the plurality of light-emitting elements for driving the light-emitting element to emit light,
wherein the pixel driving circuit comprises a pulse width modulation module and a data signal terminal, the pulse width modulation module comprises a sweep signal terminal, and the pulse width modulation module is configured to control light emission duration of the light-emitting element;
a plurality of sweep signal lines, wherein the plurality of sweep signal lines extend along a first direction and are arranged along a second direction, and a sweep signal line of the plurality of sweep signal lines is electrically connected to sweep signal terminals of pixel driving circuits which are arranged along the first direction; and
a plurality of data signal lines, wherein the plurality of data signal lines extend along the second direction and are arranged along the first direction, a data signal line of the plurality of data signal lines is electrically connected to data signal terminals of pixel driving circuits which are arranged along the second direction, and the data signal line is connected to at least one sweep signal line of the plurality of sweep signal lines and is configured to provide a sweep signal for the at least one sweep signal line, wherein the first direction intersects the second direction.