IDiyas

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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 9172045 B1

PDFFull Text
Date of Patent:
Oct. 27, 2015

Filed:

Oct. 25, 2012

4-aminocarbazole compound and use thereof

Applicant:

Tosoh Corporation, Yamaguchi, JP;

Inventors:

Naoki Matsumoto, Yamaguchi, JP;

Takanori Miyazaki, Yamaguchi, JP;

Assignee:

TOSOH CORPORATION, Yamaguchi, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Nyeemah A Grazier

Int. Cl.
CPC ...
C07D 405/12 (2006.01); C07D 209/88 (2006.01); C07D 401/14 (2006.01); C07D 403/04 (2006.01); H01L 51/00 (2006.01); C07D 409/04 (2006.01); C07D 409/12 (2006.01); C07D 409/14 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C07D 209/86 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0052 (2013.01); C07D 209/86 (2013.01); C07D 209/88 (2013.01); C07D 401/14 (2013.01); C07D 403/04 (2013.01); C07D 405/12 (2013.01); C07D 409/04 (2013.01); C07D 409/12 (2013.01); C07D 409/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H05B 33/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1092 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01);
Abstract

A 4-aminocarbazole compound represented by formula (1): wherein Ar-Arrepresent substituted or unsubstituted aryl, thienyl, pyridyl, benzothienyl, dibenzothienyl, dibenzofuranyl, 4-carbazolyl, dibenzothienylphenyl, dibenzofuranylphenyl or 9-carbazolylphenyl group; R-Rrepresent substituted or unsubstituted aryl, heteroaryl or heteroarylphenyl group, or alkyl, alkoxy, cyano group, or hydrogen or halogen atom; n is integer of 0-2; and X represents substituted or unsubstituted (n+1)-valent aromatic hydrocarbon, heteroaromatic or heteroarylphenyl group. The 4-aminocarbazole compound provides an organic EL device exhibiting enhanced emitting efficiency and durability.

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