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. 12, 2019
Filed:
Sep. 08, 2016
Boe Technology Group Co., Ltd., Beijing, CN;
Chunyan Ji, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
An OLED display substrate and a display device are provided. The OLED display substrate includes a plurality of sub-pixel regions corresponding to different colors arranged on a substrate. Each sub-pixel region includes a thin film transistor, an anode, a light-emitting layer and a cathode arranged successively in a direction away from the substrate, and a microcavity structure is formed between the anode and the cathode. The anode includes a hollowed-out portion, the light-emitting layers of the sub-pixel regions corresponding to different colors are of different thicknesses, or the anodes of the sub-pixel regions corresponding to different colors are of different thicknesses.