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:
Feb. 07, 2023
Filed:
Mar. 26, 2019
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Weiyun Huang, Beijing, CN;
Young Yik Ko, Beijing, CN;
Sanghun Kang, Beijing, CN;
Wenbo Hu, Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY GO., LTD., Chengdu, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A display substrate and a preparation method thereof, and a display device are provided. The display substrate includes a display region and an opening region, the display region surrounds the opening region, a first barrier wall is between the display region and the opening region, and the first barrier wall surrounds the opening region; the first barrier wall includes a first metal layer structure, and at least one side surface, surrounding the opening region, of the first metal layer structure includes a recess.