Organic element for electroluminescent devices

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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C428S917000, C313S112000, C313S504000, C313S506000, C257S098000, C548S103000, C548S108000

Reexamination Certificate

active

07147937

ABSTRACT:
Disclosed is an electroluminescent device comprising a light-emitting layer including a light emitting material that contains an organometallic complex comprising (1) a metal selected from the group consisting of Ir, Rh, Os, Pt, and Pd and (2) a diazole group ligand wherein the ligand has a fused aromatic ring group including a nitrogen of the diazole as a bridgehead nitrogen. The device provides useful light emission.

REFERENCES:
patent: 6687266 (2004-02-01), Ma et al.
patent: 6733905 (2004-05-01), Takiguchi et al.
patent: 2002/0055014 (2002-05-01), Okada et al.
patent: 2002/0117662 (2002-08-01), Nii
patent: 2002/0134984 (2002-09-01), Igarashi
patent: 2003/0080342 (2003-05-01), Igarashi
patent: 2003/0175553 (2003-09-01), Thompson et al.
patent: 2003-109758 (2003-04-01), None
patent: 2003-142265 (2003-05-01), None
A. Tamayo, et al., “Synthesis and Characterization of Facial and Meridional Tris-cyclometalated Iridium(III) Complexes”, J. Am Chem. Soc., 2003, 125, pp. 7377-7387.
A. B. Tamayo, et al., “Synthesis and Characterization of Facial and Meridional Tris-cyclometalated Iridium(III) Complexes”, J. Am. Chem. Soc., 2003, 125, pp. 7377-7387.

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