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. 09, 2017
Filed:
Nov. 28, 2013
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Kazuki Nishimura, Sodegaura, JP;
Hiroyuki Saito, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/504 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/5016 (2013.01); H01L 51/5036 (2013.01); H01L 51/0052 (2013.01); H01L 51/0061 (2013.01); H01L 51/0068 (2013.01); H01L 51/0085 (2013.01); H01L 2251/308 (2013.01); H01L 2251/5384 (2013.01);
Abstract
An organic electroluminescence device according of the invention includes an anode, a cathode, and at least a first emitting layer and a second emitting layer interposed between the anode and the cathode. The first emitting layer includes a first host material and a first dopant material. The second emitting layer includes a second host material, a third host material and a second dopant material.