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. 26, 2024
Filed:
Nov. 24, 2020
Beijing Summer Sprout Technology Co., Ltd., Beijing, CN;
Qiang Wang, Beijing, CN;
Le Wang, 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 organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a novel compound having a parent core structure formed by fusing indole and pyrrole with an azamacrocycle and bonded with benzoquinazoline or benzoquinoxaline and similar structures thereof. The organic electroluminescent material may be used as a host material in an electroluminescent device. The novel compound can provide better device performance in the electroluminescent device. Further provided are an electroluminescent device and a compound formulation.