US 12,349,579 B2
Display substrate and display apparatus
Tao Wang, Beijing (CN); Chengjie Qin, Beijing (CN); Ziyu Zhang, Beijing (CN); Yue Cui, Beijing (CN); and Tao Sun, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/913,595
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Oct. 22, 2021, PCT No. PCT/CN2021/125657
§ 371(c)(1), (2) Date Sep. 22, 2022,
PCT Pub. No. WO2022/222399, PCT Pub. Date Oct. 27, 2022.
Claims priority of application No. 202110445380.X (CN), filed on Apr. 23, 2021.
Prior Publication US 2024/0224718 A1, Jul. 4, 2024
Int. Cl. H10K 59/80 (2023.01)
CPC H10K 59/873 (2023.02) 18 Claims
OG exemplary drawing
 
1. A display substrate comprising a display area and a non-display area around the display area, comprising:
a substrate;
a light emitting layer arranged on a side of the substrate;
an encapsulation layer arranged on a side of the light emitting layer away from the substrate and configured to encapsulate the light emitting layer; and
at least two dams arranged around the display area in the non-display area, wherein
the encapsulation layer comprises an organic material layer; and
the dams comprise a first dam arranged around the display area and a second dam arranged around the first dam,
wherein the first dam comprises a first sub-dam arranged discontinuously, a second sub-dam arranged continuously, and at least one third sub-dam connecting the first sub-dam and the second sub-dam;
the first sub-dam, the second sub-dam, and the third sub-dam are arranged around to form at least one semi-closed region structure; and
at least a part of the organic material layer is located in the semi-closed region structure.