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:
Dec. 12, 2017
Filed:
Dec. 04, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Jun Kamatani, Tokyo, JP;
Tetsuya Kosuge, Yokohama, JP;
Masumi Itabashi, Kodaira, JP;
Yosuke Nishide, Kawasaki, JP;
Hirokazu Miyashita, Tokyo, JP;
Naoki Yamada, Inagi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); H01L 51/005 (2013.01); H01L 51/0058 (2013.01); H01L 51/0074 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 2251/5361 (2013.01);
Abstract
An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode. The organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer and touches the cathode. The organic compound layer contains a bisimidazolidene compound represented by the following general formula [1], where Rto Rrepresent substituents.