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. 18, 2012
Filed:
Mar. 14, 2007
Jun Kamatani, Tokyo, JP;
Ryota Ooishi, Yokohama, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Tokyo, JP;
Jun Kamatani, Tokyo, JP;
Ryota Ooishi, Yokohama, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A light-emitting device is provided which uses an organic compound to emit light with high luminance and extremely high efficiency. The organic compound is composed of a metal complex having monovalent bidentate ligands. The light-emitting device includes a pair of electrodes which are an anode and a cathode, and plural organic compound layers interposed between the electrodes, in which at least one layer of the organic compound layers contains a metal complex represented by the following structural formula. The light-emitting device is an organic electroluminescent device using the light-emitting device in which the layer including the organic compound is a light-emitting layer.