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:
Sep. 30, 2025
Filed:
Sep. 15, 2023
Applicant:
Shaanxi Lighte Optoelectronics Material Co., Ltd., Xi'an, CN;
Inventors:
Xianbin Xu, Xi'an, CN;
Lei Yang, Xi'an, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 413/04 (2006.01); C07D 413/10 (2006.01); C07D 413/14 (2006.01); C09K 11/02 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 413/04 (2013.01); C07D 413/10 (2013.01); C07D 413/14 (2013.01); C09K 11/02 (2013.01); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02);
Abstract
The disclosure relates to the technical field of organic electroluminescent materials, and provides a nitrogen-containing compound and an organic electroluminescent device comprising the same, and an electronic apparatus. The compound of the disclosure adopts naphtho[2,1-d]oxazole as a core structure, and the compound of the disclosure used as a host material of an emitting layer can improve the carrier balance in the emitting layer, broaden the carrier recombination region, improve exciton generation and utilization efficiency, and improve the luminous efficiency and lifetime of a device.