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:
Mar. 16, 2021
Filed:
Nov. 20, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu, CN;
Abstract
The present disclosure provides a mask plate and a manufacture method thereof, the mask plate including: a mask body, which is provided with an opening penetrating through a thickness of the mask body; a special-shaped portion configured to be disposed at an edge of the opening and protrudes toward a center of the opening, and configured to be formed by the mask body; and at least one deformation adjustment layer disposed on the mask body or in the mask body, an orthographic projection of the at least one deformation adjustment layer on a plane in which a first surface of the mask body is located at least partially overlaps with an orthographic projection of the special-shaped portion on the plane in which the first surface of the mask body is located, wherein a thermal expansion coefficient of the deformation adjustment layer is different from that of the special-shaped portion.