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.

Date of Patent:
Feb. 10, 2026

Filed:

Jul. 11, 2022
Applicant:

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

Inventors:

Feng Guan, Beijing, CN;

Yongfeng Zhang, Beijing, CN;

Chaolu Wang, Beijing, CN;

Meng Zhao, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/12 (2023.01); H10K 59/00 (2023.01); H10K 59/12 (2023.01); H10K 50/115 (2023.01);
U.S. Cl.
CPC ...
H10K 50/12 (2023.02); H10K 59/1201 (2023.02); H10K 59/771 (2023.02); H10K 50/115 (2023.02);
Abstract

A display substrate and a preparation method thereof, a preparation apparatus and a display apparatus are provided, which relate to the technical field of display. The display substrate includes a plurality of light-emitting areas and non-light-emitting areas surrounding respective light-emitting areas. The display substrate includes: a base substrate; a light-emitting functional layer disposed at a side of the base substrate, the light-emitting functional layer including a light-emitting material located in the plurality of light-emitting areas and the non-light-emitting areas. The light-emitting material in the non-light-emitting areas is doped with destructive ions, and the destructive ions are configured for destroying luminescent characteristics of the light-emitting material in the non-light-emitting area.


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