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. 15, 2022
Filed:
Sep. 25, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan, CN;
Abstract
A mask includes a shielding portion and a plurality of hollow regions. The shielding portion includes: a plurality of shielding strips, a plurality of raised portions and a plurality of grooves. Side surfaces of some of the plurality of shielding strips are sequentially connected to form one of the plurality of hollow regions. Each raised portion is disposed on a side surface of a corresponding one of the plurality of shielding strips close to a corresponding hollow region, and each raised portion is connected with the side surface of the shielding strip. Each groove is at least partially formed in a first surface of a corresponding one of the plurality of raised portions, and the first surface is parallel to a plate surface of the mask.