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:
Sep. 22, 2020
Filed:
Nov. 15, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Jiyu Wan, Beijing, CN;
Tonghua Yang, Beijing, CN;
Jingjing Jiang, Beijing, CN;
He Feng, Beijing, CN;
Sikai Zhang, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Beijing BOE Display Technology Co., Ltd., Beijing, CN;
Abstract
A black matrix layer for defining a plurality of subpixel regions in a display substrate is provided. The black matrix layer includes a micro-groove region having a plurality of micro-grooves spaced apart from each other. A depth of each of the plurality of micro-grooves at least partially extends through a depth of the black matrix layer. At least one of the plurality of micro-grooves has an elongated shape extending along an elongation direction.