Electroluminescent materials and devices

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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Details

C428S917000, C313S504000, C313S506000, C257S040000, C257SE51044, C546S004000

Reexamination Certificate

active

07985492

ABSTRACT:
Novel ruthenium, rhodium, palladium, osmium, iridium or platinum complexes of dibenzothiophene ligands are electroluminescent compounds.

REFERENCES:
patent: 2001/0019782 (2001-09-01), Igarashi et al.
patent: 2002/0182441 (2002-12-01), Lamansky et al.
patent: 2004/0091738 (2004-05-01), Psai et al.
patent: 2007/0128466 (2007-06-01), Nomura et al.
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patent: WO 03/093394 (2003-11-01), None
patent: WO 2004/058912 (2004-07-01), None
patent: WO 2004/111066 (2004-12-01), None
Y. Ma et al., Electroluminescence from triplet metal-ligand charge-transfer excited state of transition metal complexes; Synthetic Metals 94 (1998) 245-248.
G. DiMarco et al., A Luminescent Iridium (III) Cyclometallated Complex Immobilized in a Polymeric Matrix as a Solid-State Oxygen Sensor; Adv. Materials 1996, 8, No. 7, 576-580.
Lamansky et al., Highly Phosphorescent Bis-Cyclometalated Iridium Complexes . . . Use in Organic Light Emitting Diodes, J.Am.Chem.Soc. 2001, 123, 4304-4312.

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