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:
Apr. 14, 2026
Filed:
Jan. 13, 2021
Boe Technology Group Co., Ltd., Beijing, CN;
Shantao Chen, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Provided are a display panel and a manufacturing method therefor, and a display device. The display panel includes: a substrate, a pixel defining layer located on the substrate, and a cathode isolation structure located on the pixel defining layer. The cathode isolation structure includes at least a first isolation sub-layer and a second isolation sub-layer located between the pixel defining layer and the first isolation sub-layer, the cross section of the second isolation sub-layer is smaller than that of the first isolation sub-layer, and an orthographic projection, on the substrate, of the second isolation sub-layer falls within an orthographic projection range, on the substrate, of the first isolation sub-layer.