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:
May. 20, 2025
Filed:
Feb. 09, 2021
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., Anhui, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A display substrate includes: a base; a cathode power line disposed on the base and located in the peripheral region; a first insulating layer located on a side of a layer in which the cathode power line is located away from the base and having first via hole(s); a cathode layer located on the first insulating layer and electrically connected to the cathode power line through the first via hole(s); and spacer(s) located on a side of the cathode layer proximate to the base, a spacer covering at least a side wall of a first via hole, a thickness of a portion of the spacer covering the side wall decreasing along the side wall and in a direction pointing from an end of the side wall proximate to the base toward an end of the side wall of the first via hole away from the base.