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:
Aug. 17, 2021
Filed:
Nov. 02, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;
Jian Zhang, Beijing, CN;
Chunchieh Huang, Beijing, CN;
Zhiming Lin, Beijing, CN;
Zhen Wang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., Ordos, CN;
Abstract
A metal mask includes a mask body part and two connecting parts disposed at opposite sides of the mask body part. Each of the connecting parts includes a body portion and a single-stage step portion. A side of the body portion is connected to the mask body part, and an opposite side of the body portion is connected to the single-stage step portion. A thickness of the single-stage step portion is smaller than a thickness of the body portion.