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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 12666854 B1

PDFFull Text
Date of Patent:
Jun. 23, 2026

Filed:

Nov. 19, 2021

Display substrate including stretch hole having inorganic and organic material inner wall sections, preparation method thereof, and display apparatus

Applicant:

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

Inventors:

Mingli Liu, Beijing, CN;

Jia Zhao, Beijing, CN;

Fangxu Cao, Beijing, CN;

Na Bi, Beijing, CN;

Assignee:

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

Attorneys:

Ling Wu

Stephen Yang

Ling and Yang Intellectual Property

Primary Examiner:

Ida M Soward

Int. Cl.
CPC ...
H10K 71/80 (2023.01); H10K 59/131 (2023.01); H10K 59/80 (2023.01); H10K 77/10 (2023.01); G09G 3/3233 (2016.01); H10K 59/12 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 71/80 (2023.02); H10K 59/131 (2023.02); H10K 59/873 (2023.02); H10K 77/111 (2023.02); G09G 3/3233 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/08 (2013.01); H10K 59/1201 (2023.02); H10K 2102/311 (2023.02);
Abstract

A display substrate and a preparation method thereof, and a display apparatus are provided. The display substrate includes a pixel area and a hole area, the pixel area includes a display structure layer arranged on a base substrate, and the hole area includes a hole structure layer arranged on the base substrate; the hole area includes at least one stretch hole penetrating through the base substrate and the hole structure layer; an inner wall of the stretch hole includes an inorganic material inner wall section and an organic material inner wall section, the inorganic material inner wall section and the organic material inner wall section are arranged along a direction from the base substrate to the hole structure layer, and the organic material inner wall section is located on a side of the stretch hole away from the hole structure layer.

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