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:
Jan. 03, 2017
Filed:
Mar. 09, 2012
Applicants:
Kazumasa Nagao, Otsu, JP;
Shinichi Matsuki, Otsu, JP;
Daisaku Tanaka, Otsu, JP;
Tsuyoshi Tominaga, Otsu, JP;
Inventors:
Kazumasa Nagao, Otsu, JP;
Shinichi Matsuki, Otsu, JP;
Daisaku Tanaka, Otsu, JP;
Tsuyoshi Tominaga, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 209/86 (2006.01); C09B 57/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 209/86 (2013.01); C09B 57/00 (2013.01); C09B 57/008 (2013.01); C09K 11/06 (2013.01); H01L 51/0059 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); H01L 51/0051 (2013.01); H01L 51/0054 (2013.01); H01L 51/0067 (2013.01); H01L 51/0074 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01);
Abstract
Provided are a light emitting device material which contains a compound having a carbazole skeleton of a specific structure and which makes it possible to achieve a light emitting device having both high luminance efficiency and durability; and a light emitting device using the light emitting device material.