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:
Aug. 25, 2026
Filed:
Feb. 03, 2021
Applicant:
Kyulux, Inc., Fukuoka, JP;
Inventors:
Hiroaki Ozawa, Fukuoka, JP;
Masataka Yamashita, Fukuoka, JP;
Shuo-Hsien Cheng, Fukuoka, JP;
Yuseok Yang, Fukuoka, JP;
Assignee:
KYULUX, INC., Fukuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/14 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 403/14 (2013.01); H10K 50/11 (2023.02); H10K 85/652 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02);
Abstract
The compound represented by the following formula is useful as a light-emitting material. One of Rto Ris CN; another is Het-L-*; other two or three are each a carbazolyl group, etc.; and the rest are others. Het is a heteroaryl group; and Lis a single bond or an arylene group.