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:
Dec. 17, 2019
Filed:
Oct. 25, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Danhui Li, Beijing, CN;
Qingde Long, Beijing, CN;
Zerong Yang, Beijing, CN;
Chao Ye, Beijing, CN;
Changyu Fu, Beijing, CN;
Xiaojiao Xiong, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu, CN;
Abstract
The present disclosure discloses a method for manufacturing a display substrate, a display substrate, a display panel and a display apparatus. The method comprises: forming a black matrix and a plurality of black matrix alignment marks; providing a color film mask having a plurality of color film layer alignment marks associated with the black matrix alignment marks; and forming the color film layer on the black matrix by aligning the black matrix alignment marks with the associated color film layer alignment marks respectively, wherein the black matrix has a group of N first black matrix alignment marks and a group of N second black matrix alignment marks formed on ends of opposing edges thereof, respectively, and a spacing between adjacent first black matrix alignment marks different from that between adjacent second black matrix alignment marks.