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.:
Date of Patent:
Mar. 10, 2026
Filed:
Jun. 28, 2022
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening.