US 12,019,325 B1
Display panel and display device
Yongli Qian, Shanghai (CN); and Jian Zhao, Shanghai (CN)
Assigned to Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed by Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed on May 5, 2023, as Appl. No. 18/312,746.
Claims priority of application No. 202310130062.3 (CN), filed on Feb. 17, 2023.
Int. Cl. G02F 1/1333 (2006.01); B60K 35/50 (2024.01); G09G 3/36 (2006.01); B60K 35/22 (2024.01)
CPC G02F 1/133382 (2013.01) [B60K 35/50 (2024.01); G09G 3/3677 (2013.01); B60K 35/22 (2024.01); G09G 2310/0286 (2013.01); G09G 2330/045 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, having a display region and a non-display region, and comprising:
heating lines, each of which comprises at least part located in the display region; and
at least one heating bus and at least one power supply pin that are located in the non-display region, wherein the at least one heating bus is electrically connected to the at least one power supply pin and the heating lines;
wherein the display region comprises a first sub-region and at least one second sub-region, the heating lines comprise at least one first heating line and at least one second heating line, one of the at least one first heating line is located in the first sub-region, and one of the at least one second heating line is located in one of the at least one second sub-region;
wherein a length of one of the at least one heating bus connected between one of the at least one first heating line and one of the at least one power supply pin is greater than a length of the one of the at least one heating bus connected between one of the at least one second heating line and the one of the at least one power supply pin; and
wherein one of the at least one first heating line has a line width larger than a line width of one of the at least one second heating line; or one of the at least one first heating line has a resistivity smaller than a resistivity of one of the at least one second heating line; or one of the at least one first heating line comprises a first line segment connected to the at least one heating bus and at least one second line segment connected in parallel to the first line segment.