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:
Jun. 05, 2018
Filed:
Oct. 11, 2011
Applicants:
Chiaki Nishiura, Kawasaki, JP;
Jun Kamatani, Tokyo, JP;
Naoki Yamada, Inagi, JP;
Kenichi Ikari, Abiko, JP;
Inventors:
Chiaki Nishiura, Kawasaki, JP;
Jun Kamatani, Tokyo, JP;
Naoki Yamada, Inagi, JP;
Kenichi Ikari, Abiko, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07C 13/72 (2006.01); C07C 49/792 (2006.01); C07C 211/61 (2006.01); C07D 333/76 (2006.01); C09K 11/06 (2006.01); H05B 33/10 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0074 (2013.01); C07C 13/72 (2013.01); C07C 49/792 (2013.01); C07C 211/61 (2013.01); C07D 333/76 (2013.01); C09K 11/06 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0062 (2013.01); H01L 51/5072 (2013.01); H05B 33/10 (2013.01); C07C 2603/18 (2017.05); C07C 2603/94 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1092 (2013.01); H01L 51/006 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5096 (2013.01);
Abstract
A spiro[cyclopenta[def]triphenylene-4,9'-fluorene] compound having a high triplet energy level and a high glass transition temperature further providing an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage.