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:
Mar. 31, 2026
Filed:
Sep. 14, 2021
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Wenhai Mei, Beijing, CN;
Jingwen Feng, Beijing, CN;
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD, Beijing, CN;
Abstract
A light-emitting substrate includes a plurality of light-emitting devices including at least one first light-emitting device and at least one second light-emitting device. A first light-emitting device in the at least one first light-emitting device includes a first color light-emitting layer. A second light-emitting device in the at least one second light-emitting device includes another first color light-emitting layer, and a first material layer and a second color light-emitting layer that are sequentially stacked on the another first color light-emitting layer. The first material layer is configured to transport holes transported from the first color light-emitting layer to the second color light-emitting layer, and to block electrons transported from the second color light-emitting layer; or the first material layer is configured to transport electrons transported from the first color light-emitting layer to the second color light-emitting layer, and to block holes transported from the second color light-emitting layer.