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. 08, 2015
Filed:
Dec. 25, 2009
Applicants:
Toshihiro Iwakuma, Chiba, JP;
Yoriyuki Takashima, Chiba, JP;
Toshinari Ogiwara, Chiba, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07C 13/60 (2006.01); C07C 13/48 (2006.01); C07D 307/91 (2006.01); C07C 13/66 (2006.01); C07C 15/20 (2006.01); C07C 15/30 (2006.01); C07C 15/38 (2006.01); C07D 407/10 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07C 13/66 (2013.01); C07C 15/20 (2013.01); C07C 15/30 (2013.01); C07C 15/38 (2013.01); C07D 307/91 (2013.01); C07D 407/10 (2013.01); C09K 11/06 (2013.01); H01L 51/0058 (2013.01); H01L 51/0065 (2013.01); H05B 33/14 (2013.01); C07C 2102/28 (2013.01); C07C 2103/26 (2013.01); C07C 2103/42 (2013.01); C07C 2103/52 (2013.01); C09K 2211/1011 (2013.01); H01L 51/5016 (2013.01);
Abstract
A material for organic electroluminescent devices including a 2,7-disubstituted naphthalene ring in its molecule of formulas (1) and (2): and an organic electroluminescent device including an organic thin film layer having one or more layers between a cathode and an anode. An organic electroluminescence device having the organic thin film layer which includes the material for organic electroluminescent devices and at least one kind of phosphorescent emitting materials has long lifetime and high current efficiency.