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:
Sep. 22, 2015
Filed:
Oct. 17, 2008
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:
Primary Examiner:
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.)