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:
May. 09, 2012
Applicants:
Yuki Nakano, Chiba, JP;
Masaki Numata, Chiba, JP;
Hideaki Nagashima, Chiba, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C07D 333/20 (2006.01); C07D 333/76 (2006.01); C07D 407/10 (2006.01); C07D 417/14 (2006.01); C07D 491/048 (2006.01); C07D 209/86 (2006.01); C07D 307/91 (2006.01);
U.S. Cl.
CPC ...
H01L 51/50 (2013.01); C07D 209/86 (2013.01); C07D 307/91 (2013.01); C07D 333/20 (2013.01); C07D 333/76 (2013.01); C07D 407/10 (2013.01); C07D 417/14 (2013.01); C07D 491/048 (2013.01); C09K 11/06 (2013.01); H01L 51/0071 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H05B 33/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1092 (2013.01); H01L 51/0072 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5088 (2013.01); H01L 51/5096 (2013.01);
Abstract
A specific material for organic electroluminescence device having m-phenylene skeleton in its molecule realizes a highly heat-resistant and long lifetime organic electroluminescence device capable of driving at low voltage with high efficiency.