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:
Apr. 25, 2023
Filed:
Dec. 21, 2017
Applicants:
Kyushu University, National University Corporation, Fukuoka, JP;
Kyulux, Inc., Fukuoka, JP;
Inventors:
Yan Geng, Fukuoka, JP;
Chihaya Adachi, Fukuoka, JP;
Hajime Nakanotani, Fukuoka, JP;
Naoto Notsuka, Fukuoka, JP;
Keiro Nasu, Fukuoka, JP;
Assignees:
KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Fukuoka, JP;
KYULUX, INC., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); C09K 11/02 (2006.01); C07D 401/10 (2006.01); C07D 251/24 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 251/24 (2013.01); C07D 401/10 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1022 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5096 (2013.01);
Abstract
A compound represented by the following general formula is excellent in light emission properties. Rand Reach independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σvalue is negative, and A represents a substituent in which Hammett's σvalue is positive.