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.

Date of Patent:
Aug. 31, 2010

Filed:

Dec. 15, 2004
Applicants:

Ryuichi Yatsunami, Fukuoka, JP;

Kei Sakanoue, Fukuoka, JP;

Inventors:

Ryuichi Yatsunami, Fukuoka, JP;

Kei Sakanoue, Fukuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01J 9/00 (2006.01); C09K 11/06 (2006.01); B05D 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic EL device which drives over a wide range from low brightness to high brightness for light source applications, operates stably over a wide range of brightness and has excellent life property is provided. The device comprises at least one pair of electrodesand, and a plurality of functional layers disposed between the electrodesand, the functional layers comprising a layerhaving the light emitting function, which is composed of at least one polymeric material and contains an organic solvent and a charge injection layercomposed of at least one inorganic material.


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