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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 8785003 B1

PDFFull Text
Expired
Date of Patent:
Jul. 22, 2014

Filed:

Mar. 04, 2011

Material for organic electroluminescence device and organic electroluminescence device using the same

Applicants:

Tetsuya Inoue, Sodegaura, JP;

Kumiko Hibino, Sodegaura, JP;

Kei Yoshida, Sodegaura, JP;

Kazuki Nishimura, Sodegaura, JP;

Toshihiro Iwakuma, Sodegaura, JP;

Inventors:

Tetsuya Inoue, Sodegaura, JP;

Kumiko Hibino, Sodegaura, JP;

Kei Yoshida, Sodegaura, JP;

Kazuki Nishimura, Sodegaura, JP;

Toshihiro Iwakuma, Sodegaura, JP;

Assignee:

Idemtisu Kosan Co., Ltd., Tokyo, JP;

Attorney:

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

Primary Examiner:

Gregory Clark

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 401/14 (2006.01); C07F 7/08 (2006.01); C07D 403/14 (2006.01); H05B 33/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 401/14 (2013.01); H01L 51/5012 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); C09K 11/06 (2013.01); C07F 7/0812 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1029 (2013.01); H01L 51/5048 (2013.01); C07D 403/14 (2013.01); C09K 2211/1044 (2013.01); C07F 7/0814 (2013.01); H05B 33/14 (2013.01); Y10S 428/917 (2013.01);
Abstract

An organic EL device material includes at least a unit including 3,5-biscarbazolylphenyl group, a unit including 4-carbazolylphenyl group, and a compound including a unit including a nitrogen-containing aromatic heterocyclic ring bonding the unit including 3,5-biscarbazolylphenyl group and the unit including 4-carbazolylphenyl group.

Find Patent Forward Citations

Inoue, Tetsuya. (2014). Material for organic electroluminescence device and organic electroluminescence device using the same (U.S. Patent No. 8785003). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8785003

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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