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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.:

US 8247964 B1

PDFFull Text
Date of Patent:
Aug. 21, 2012

Filed:

Sep. 02, 2011

Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex

Applicants:

Tatsuya Igarashi, Ashigara, JP;

Keizo Kimura, Kanagawa, JP;

Kazumi Nii, Ashigara, JP;

Inventors:

Tatsuya Igarashi, Ashigara, JP;

Keizo Kimura, Kanagawa, JP;

Kazumi Nii, Ashigara, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Charanjit Aulakh

Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light-emitting material comprises iridium and at least one ligand represented by the following formula:

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