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:
Jul. 03, 2018
Filed:
Sep. 12, 2014
Applicant:
Kyushu University, National University Corporation, Fukuoka-shi, Fukuoka, JP;
Inventors:
Assignee:
KYULUX, INC., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5096 (2013.01); H01L 51/0071 (2013.01); H01L 51/0074 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5024 (2013.01); H01L 51/006 (2013.01); H01L 51/0058 (2013.01); H01L 51/0059 (2013.01); H01L 51/0072 (2013.01); H01L 2251/55 (2013.01);
Abstract
An organic electroluminescent device comprising at least two organic layers including a light emitting layer () and a delayed fluorescent exciplex layer () containing a donor compound and an acceptor compound, between a pair of electrodes () is highly efficient in formation of a singlet excited state and enables high light emission efficiency.