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:
Jun. 24, 2014
Filed:
Oct. 12, 2011
Applicant:
Kazuhiro Oikawa, Hachioji, JP;
Inventor:
Kazuhiro Oikawa, Hachioji, JP;
Assignee:
Konica Minolta, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/42 (2006.01); H01L 31/0256 (2006.01); H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5048 (2013.01); H01L 51/502 (2013.01); H01L 51/5032 (2013.01); H01L 51/5024 (2013.01); H01L 51/0085 (2013.01);
Abstract
The organic electroluminescent element () of the present invention comprises, on a substrate (), electrodes (positive electrode () and negative electrode ()) forming a pair and an organic functional layer () having at least an electron transport layer () and a light emitting layer (). At least one of the electron transport layer () and the light emitting layer () contain semiconductor nanoparticles having a conduction band energy level of −5.5-−1.5 ev.