US 12,148,401 B2
Display substrate, display device and compensation method thereof
Zhengri Lin, Beijing (CN); Wenchao Han, Beijing (CN); Xinle Wang, Beijing (CN); Yifan Song, Beijing (CN); Wanzhi Chen, Beijing (CN); Jing Liu, Beijing (CN); Wei Sun, Beijing (CN); Rui Liu, Beijing (CN); Xin Duan, Beijing (CN); Zhaohui Meng, Beijing (CN); Mingming Wang, Beijing (CN); Lianghao Zhang, Beijing (CN); and Jiantao Liu, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/778,865
Filed by BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 23, 2021, PCT No. PCT/CN2021/101828
§ 371(c)(1), (2) Date May 23, 2022,
PCT Pub. No. WO2022/266884, PCT Pub. Date Dec. 29, 2022.
Prior Publication US 2024/0169947 A1, May 23, 2024
Int. Cl. G09G 3/36 (2006.01); G02F 1/133 (2006.01); G02F 1/1362 (2006.01); H01L 27/144 (2006.01)
CPC G09G 3/3607 (2013.01) [G02F 1/13318 (2013.01); G02F 1/136204 (2013.01); H01L 27/1443 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2360/144 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a base substrate, comprising a display region, a peripheral region located at a periphery of the display region and a binding region located at a side of the display region; and
a plurality of photosensitive transistor units, a plurality of photosensitive electrostatic discharge (ESD) protection units and at least one common signal line located in the peripheral region;
wherein the plurality of photosensitive transistor units are connected with binding pins in the binding region through a plurality of signal lines; and
at least one photosensitive ESD protection unit is connected with at least one signal line and a common signal line and located between the at least one signal line and the common signal line,
wherein the display substrate further comprises: a first color filter layer located in the peripheral region and on a side of the plurality of photosensitive transistor units away from the base substrate; the first color filter layer comprises a first filter unit, a second filter unit, a third filter unit, a light transmission unit and a shading unit;
the plurality of photosensitive transistor units comprises a brightness sensing transistor unit, a reference transistor unit, a first color photosensitive transistor unit, a second color photosensitive transistor unit, and a third color photosensitive transistor unit.