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:
Jul. 14, 2009

Filed:

Dec. 17, 2003
Applicants:

Toshihiro Ise, Minami-Ashigara, JP;

Tatsuya Igarashi, Minami-Ashigara, JP;

Hisashi Okada, Minami-Ashigara, JP;

Inventors:

Toshihiro Ise, Minami-Ashigara, JP;

Tatsuya Igarashi, Minami-Ashigara, JP;

Hisashi Okada, Minami-Ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electroluminescent device comprising: a pair of electrode; and at least one organic layer between the pair of electrode, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one phosphorescent material and at least one compound represented by the formula (I) defined herein.


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