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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.:

US 8178215 B1

PDFFull Text
Date of Patent:
May. 15, 2012

Filed:

Dec. 05, 2005

Organic compound containing at least two carbazolyl-substituted phenyl structures; charge-transporting material and organic el element containing the compound

Applicants:

Masayoshi Yabe, Kanagawa, JP;

Hideki Sato, Kanagawa, JP;

Masako Takeuchi, Kanagawa, JP;

Masayo Fugono, Kanagawa, JP;

Koichiro Iida, Kanagawa, JP;

Inventors:

Masayoshi Yabe, Kanagawa, JP;

Hideki Sato, Kanagawa, JP;

Masako Takeuchi, Kanagawa, JP;

Masayo Fugono, Kanagawa, JP;

Koichiro Iida, Kanagawa, JP;

Assignees:

Pioneer Corporation, Tokyo, JP;

Mitsubishi Chemical Corporation, Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Lynda Salvatore

Assistant Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01J 1/63 (2006.01); C07D 401/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic compound and a charge-transporting material which are excellent in both a hole-transporting property and an electron-transporting property and have excellent electrical oxidation/reduction durability and a high triplet excitation level are provided, and an organic electroluminescent device which uses this organic compound and has high luminous efficiency and high driving stability and long lifetime is provided, wherein the organic compound has two or more partial structures represented by the following Formula (I):

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Yabe, Masayoshi. (2012). Organic compound containing at least two carbazolyl-substituted phenyl structures; charge-transporting material and organic el element containing the compound (U.S. Patent No. 8178215). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8178215

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