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:
Oct. 26, 2010
Filed:
Oct. 19, 2009
Applicants:
Toshinori Hasegawa, Yokohama, JP;
Koichi Suzuki, Yokohama, JP;
Maki Okajima, Tachikawa, JP;
Toshihide Kimura, Kawasaki, JP;
Inventors:
Toshinori Hasegawa, Yokohama, JP;
Koichi Suzuki, Yokohama, JP;
Maki Okajima, Tachikawa, JP;
Toshihide Kimura, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a light-emitting device which can emit light with high luminance and high efficiency, and is excellent in durability. The light-emitting device includes an organic compound layer containing a phenanthroline compound represented by the general formula [I] and a carbonate.