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:
May. 03, 2022
Filed:
Dec. 20, 2017
Applicants:
Kyushu University, National University Corporation, Fukuoka, JP;
Kyulux, Inc., Fukuoka, JP;
Inventors:
Masashi Mamada, Fukuoka, JP;
Chihaya Adachi, Fukuoka, JP;
Hajime Nakanotani, Fukuoka, JP;
YuSeok Yang, 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); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C09K 11/06 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); C09K 2211/1011 (2013.01);
Abstract
Disclosed is an organic light-emitting device using a compound capable of emitting delayed fluorescence and capable of undergoing intramolecular hydron transfer. The compound includes, for example, a compound represented by the general formula. Xto Xeach represent O or S; Rto Reach representH or a substituent; n, n1 to n3 each represent an integer of 1 to 3.