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. 14, 2015
Filed:
Sep. 01, 2011
Applicants:
Aki Tsuji, Kyoto, JP;
Hiroshi Kita, Hachoiji, JP;
Yoshiyuki Suzuri, Hino, JP;
Inventors:
Assignee:
KONICA MINOLTA, INC., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01); H05B 33/14 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5036 (2013.01); C09K 11/06 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/504 (2013.01); H05B 33/14 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1033 (2013.01); C09K 2211/1037 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1048 (2013.01); C09K 2211/1051 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1074 (2013.01); C09K 2211/1092 (2013.01); C09K 2211/185 (2013.01); H01L 51/006 (2013.01); H01L 51/008 (2013.01); H01L 51/009 (2013.01); H01L 51/0059 (2013.01); H01L 51/0081 (2013.01); H01L 51/0088 (2013.01);
Abstract
An organic electroluminescent element containing organic layers sandwiched between an anode and a cathode, wherein the organic layers incorporate an emission layer A containing a host compound A and at least two types of emission dopants, and an emission layer B containing a host compound B and at least one type of emission dopant, provided that at least one of the emission dopants contained in the emission layer A is a phosphorescence-emitting material.