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:
Nov. 29, 2022
Filed:
Mar. 30, 2020
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Bowen Yang, Beijing, CN;
Fei Xie, Beijing, CN;
Chengguo An, Beijing, CN;
Yubin Song, Beijing, CN;
Yudong Shang, Beijing, CN;
Pengsha Ma, Beijing, CN;
Xiaodong Yang, Beijing, CN;
Junjiao Chen, Beijing, CN;
Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
The resent disclosure provides an OLED substrate, a photo mask, and a method of manufacturing the OLED substrate. In one embodiment, an OLED substrate includes: a base substrate; an anode layer on the base substrate; a pixel defining layer on the anode layer, the pixel defining layer having a pattern opening area, the pattern opening area including a plurality of pixel openings arranged in an array manner; and a light-emitting layer formed on the pixel defining layer by evaporation; wherein the pattern opening area has an inward contraction structure with respect to a regular pixel opening area structure in which a plurality of pixel openings are arranged in a manner of an regular array where rows in the regular array are equally spaced from each other and are parallel to each other and columns in the regular array are equally spaced from each other and are parallel to each other.