US 12,144,236 B2
Display substrate having photosensitive sensing unit located in visible light signal receiving region
Haibin Zhu, Beijing (CN); Qingyu Huang, Beijing (CN); Weijie Wang, Beijing (CN); Lu Wang, Beijing (CN); Guangcai Yuan, Beijing (CN); Fengjie Zhang, Beijing (CN); and Dongliang Bai, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/434,409
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Feb. 19, 2021, PCT No. PCT/CN2021/076871
§ 371(c)(1), (2) Date Aug. 26, 2021,
PCT Pub. No. WO2021/175120, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 202010148757.0 (CN), filed on Mar. 5, 2020.
Prior Publication US 2022/0344405 A1, Oct. 27, 2022
Int. Cl. H10K 65/00 (2023.01); H04B 10/116 (2013.01); H10K 30/80 (2023.01); H10K 39/30 (2023.01)
CPC H10K 65/00 (2023.02) [H04B 10/116 (2013.01); H10K 30/80 (2023.02); H10K 39/30 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a substrate comprising a display region and a peripheral region surrounding the display region, wherein the peripheral region comprises a visible light signal receiving region surrounding the display region;
a photosensitive sensing unit located in the visible light signal receiving region, wherein the photosensitive sensing unit is configured to receive a visible light signal and convert the visible light signal into an electrical signal to achieve visible light communication; and
a plurality of subpixels located in the display region, wherein:
at least one of the plurality of subpixels comprises an anode, a cathode, and a light emitting layer located between the anode and the cathode, and the cathode is located on a side of the substrate away from the light emitting layer; and
the peripheral region comprises a cathode overlap region, the cathode extends to the cathode overlap region, and the photosensitive sensing unit is located between the cathode overlap region and the display region and between the cathode and the substrate.