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:
Jan. 13, 2026
Filed:
Dec. 03, 2021
Beijing Summer Sprout Technology Co., Ltd., Beijing, CN;
Qiang Wang, Beijing, CN;
Le Wang, Beijing, CN;
Han Zhang, Beijing, CN;
Junfei Wang, Beijing, CN;
Chi Yuen Raymond Kwong, Beijing, CN;
Chuanjun Xia, Beijing, CN;
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
Provided are an electroluminescent material and a device thereof. The electroluminescent material is an organic compound formed by connecting an indole- and pyrrole-fused azamacrocycle with dibenzofuran and similar structures thereof and can be used as the host material in electroluminescent devices. These new compounds can greatly improve the device lifetime and provide great device performance. Further provided are an electroluminescent device, a compound combination, and a display assembly.