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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11963382 B1

PDFFull Text
Date of Patent:
Apr. 16, 2024

Filed:

Apr. 21, 2020

Display substrate and preparation method thereof, and display device

Applicants:

Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Pengfei Yu, Beijing, CN;

Chenxing Wan, Beijing, CN;

Assignees:

Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan, CN;

BOE Technology Group Co., Ltd., Beijing, CN;

Attorneys:

Ling Wu

Stephen Yang

Ling and Yang Intellectual Property

Primary Examiner:

Asok K Sarkar

Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 21/02 (2006.01); H10K 50/844 (2023.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 71/80 (2023.01); H10K 77/10 (2023.01); H10K 59/12 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/844 (2023.02); H10K 59/126 (2023.02); H10K 59/131 (2023.02); H10K 71/00 (2023.02); H10K 71/80 (2023.02); H10K 77/111 (2023.02); H10K 59/1201 (2023.02); H10K 2102/311 (2023.02);
Abstract

Provided are a display substrate and a preparation method thereof, and a display device. A display region and a binding region located at one side of the display region are comprised. The display region comprises a driving structure layer, an organic insulating layer disposed on the driving structure layer and a light-emitting element disposed on the organic insulating layer, the driving structure layer comprises a pixel driving circuit, and the light-emitting element is connected with the pixel driving circuit. The binding region comprises a binding structure layer, an organic insulating layer and an isolation dam disposed on the binding structure layer, and an inorganic encapsulation layer disposed on the organic insulating layer and the isolation dam, the binding structure layer comprises a power line connected with the pixel driving circuit; at least one isolation groove is disposed on the organic insulating layer of the binding region.

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