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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 9139522 B1

PDFFull Text
Date of Patent:
Sep. 22, 2015

Filed:

Oct. 17, 2008

Aromatic amine derivative and organic electroluminescent device using the same

Applicants:

Nobuhiro Yabunouchi, Sodegaura, JP;

Michiru Sekiguchi, Sodegaura, JP;

Takahiko Ochi, Sodegaura, JP;

Yoshiyuki Totani, Sodegaura, JP;

Inventors:

Nobuhiro Yabunouchi, Sodegaura, JP;

Michiru Sekiguchi, Sodegaura, JP;

Takahiko Ochi, Sodegaura, JP;

Yoshiyuki Totani, Sodegaura, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Dawn Garrett

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 209/82 (2006.01); C07D 209/86 (2006.01); C07D 209/56 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C09B 57/00 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 209/86 (2013.01); C07D 209/56 (2013.01); C09B 57/00 (2013.01); C09B 57/008 (2013.01); C09K 11/06 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H05B 33/14 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); H01L 51/006 (2013.01); H01L 51/5048 (2013.01);
Abstract

Disclosed is a long-life organic EL device having high luminous efficiency even after storage at high temperatures. Also disclosed is an aromatic amine derivative which enables to realize such an organic EL device. The aromatic amine derivative is represented by the following general formula (1). (In the formula (1), Ar1 is represented by the general formula (2) below, and Ar2 is represented by the general formula (3) below.)

Find Patent Forward Citations

Yabunouchi, Nobuhiro. (2015). Aromatic amine derivative and organic electroluminescent device using the same (U.S. Patent No. 9139522). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9139522

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