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:
Apr. 14, 2020
Filed:
Aug. 02, 2016
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Inventors:
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); G02F 1/1334 (2006.01); G02F 1/133 (2006.01);
U.S. Cl.
CPC ...
G03F 7/2057 (2013.01); G02F 1/1334 (2013.01); G02F 1/13306 (2013.01);
Abstract
A mask plate, an exposure system and an exposure method are disclosed. The mask plate includes a control unit () and a liquid crystal cell (), wherein the control unit () is electrically connected to the liquid crystal cell () and configured to control the liquid crystal cell () to render a mask pattern. The mask plate can fulfill the requirements for various mask patterns, which not only save the manufacturing cost, but also simplifies the process operation.