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. 24, 2021
Filed:
Nov. 12, 2014
Applicant:
Kyulux, Inc., Fukuoka, JP;
Inventors:
Hiroyuki Tanaka, Fukuoka, JP;
Hiroki Noda, Fukuoka, JP;
Katsuyuki Shizu, Fukuoka, JP;
Masatsugu Taneda, Fukuoka, JP;
Chihaya Adachi, Fukuoka, JP;
Assignee:
KYULUX, INC., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 403/14 (2006.01); C09K 11/06 (2006.01); C07D 403/10 (2006.01); C09K 11/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 403/10 (2013.01); C07D 403/14 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/005 (2013.01); H01L 51/0067 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); H01L 51/5012 (2013.01);
Abstract
A light-emitting material containing a compound represented by the general formula (1) is capable of achieving an excellent external quantum efficiency on using in an organic light-emitting device. Rto Rrepresent a hydrogen atom or a substituent, provided that at least one of Rto Rrepresents a substituted or unsubstituted carbazolyl group; and Arto Arrepresent a substituted or unsubstituted aromatic ring or heteroaromatic ring.