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. 26, 2025
Filed:
Sep. 27, 2023
Applicant:
Kyulux, Inc., Fukuoka, JP;
Inventors:
Assignee:
KYULUX, INC., Fukuoka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 255/42 (2006.01); C07C 255/52 (2006.01); C07C 255/58 (2006.01); C07D 209/86 (2006.01); C07D 209/88 (2006.01); C07D 405/14 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/20 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07C 255/42 (2013.01); C07D 209/86 (2013.01); C07D 405/14 (2013.01); C09K 11/06 (2013.01); H10K 85/626 (2023.02); H10K 85/631 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1029 (2013.01); H10K 50/11 (2023.02);
Abstract
A compound represented by the following general formula is an excellent light-emitting material. Rto Reach independently represent a hydrogen atom or a substituent, and one of Rto Ris a cyano group, one to three of Rto Reach are an aryl group Ar optionally substituted with an alkyl group or an aryl group, and one to three of Rto Reach are a donor group D (but excepting one that corresponds to Ar).