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:
May. 10, 2022
Filed:
May. 31, 2019
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jian Tian, Beijing, CN;
Zouming Xu, Beijing, CN;
Lei Zhang, Beijing, CN;
Yaying Li, Beijing, CN;
Chunjian Liu, Beijing, CN;
Qitao Zheng, Beijing, CN;
Xianlin Ding, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A display substrate, a method for preparing the same and a display device are provided. The method for preparing the display substrate includes: providing a base substrate, in which the base substrate includes a first region and a second region; forming a first structure in the first region using a first mask and a first photoresist; forming a functional material layer at a side, which is away from the base substrate, of the first structure; and patterning the functional material layer using a second mask and the first mask to form a functional layer in the second region.