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, 2006
Filed:
Feb. 12, 2002
Jun Kamatani, Kawasaki, JP;
Shinjiro Okada, Isehara, JP;
Akira Tsuboyama, Sagamihara, JP;
Takao Takiguchi, Tokyo, JP;
Seishi Miura, Sagamihara, JP;
Koji Noguchi, Sagamihara, JP;
Takashi Moriyama, Kawasaki, JP;
Satoshi Igawa, Fujisawa, JP;
Manabu Furugori, Atsugi, JP;
Jun Kamatani, Kawasaki, JP;
Shinjiro Okada, Isehara, JP;
Akira Tsuboyama, Sagamihara, JP;
Takao Takiguchi, Tokyo, JP;
Seishi Miura, Sagamihara, JP;
Koji Noguchi, Sagamihara, JP;
Takashi Moriyama, Kawasaki, JP;
Satoshi Igawa, Fujisawa, JP;
Manabu Furugori, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A luminescence device having a layer containing a metal coordination compound which has a partial structure MLof formula (2) below and is preferably entirely represented by formula (3) below:MLL',  (3)wherein M denotes a metal atom of Ir, Pt, Rh or Pd; represent mutually different bidentate ligands; m is 1 or 2 or 3; n is 0 or 1 or 2 with the proviso that m+n=2 or 3; the partial structure MLis represented by formula (2) below (wherein B is an isoquinolyl group bonded to the metal M with its N and including a position-1 carbon atom bonded to a cyclic group A which includes the C bonded to the metal M), and the partial structure ML′is represented by formula (4), (5) or (6) shown below. There is provided a luminescence device capable of high-efficiency luminescence and long-term high luminance and adapted to red luminescence.