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. 27, 2010
Filed:
Dec. 05, 2006
Applicant:
Nobuhiro Nishita, Kanagawa, JP;
Inventor:
Nobuhiro Nishita, Kanagawa, JP;
Assignee:
Fujifilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/00 (2006.01); B32B 33/00 (2006.01); H01J 1/62 (2006.01); H01L 33/26 (2010.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescence device including at least a light-emitting layer between a pair of electrodes and a hole transport layer between the light-emitting layer and an anode of the pair of electrodes, wherein the device further includes a mixture layer of an electron transporting material and a hole transporting material, the mixture layer being disposed between the light-emitting layer and the hole transport layer and in direct contact with the light-emitting layer. An organic electroluminescence device having high light emitting efficiency and high driving durability is provided.