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. 15, 2018
Filed:
Apr. 12, 2013
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Dai Ikemizu, Hachioji, JP;
Takayuki Iijima, Hino, JP;
Takamune Hattori, Hachioji, JP;
Yasushi Okubo, Hino, JP;
Hideo Taka, Inagi, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); H01L 51/50 (2006.01); C09K 11/88 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/502 (2013.01); C09K 11/06 (2013.01); C09K 11/88 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0085 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); C09K 2211/185 (2013.01); H01L 51/0097 (2013.01); Y02B 20/181 (2013.01);
Abstract
The organic electroluminescent element has a pair of electrodes and at least two organic functional layers including a light-emitting layer on a substrate. The light-emitting layer contains a host compound and a phosphorescent dopant. The light-emitting layer or the layer adjacent to the light-emitting layer contains quantum dots.