Electroluminescent materials and devices

Details Electroluminescent materials and devices Electroluminescent materials and devices

2011-02-15

2011-02-15

Yamnitzky, Marie R. (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257SE51043, C252S301160

Reexamination Certificate

active

07887933

ABSTRACT:
An electroluminescent composition is provided comprising: (a) a compound of the general chemical formula (I):wherein M is lithium, sodium, potassium, rubidium, caesium, beryllium, magnesium, calcium, strontium, barium, copper, silver, gold, zinc, boron, aluminum, gallium, indium, germanium, tin, antimony, lead, manganese, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, cadmium or chromium; n is the valence of M; and R1, R2and R3can be the same or different, and are selected from hydrogen, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic, heterocyclic or polycyclic ring structure, a fluorocarbon, a halogen or a nitrile group; and (b) a suitable dopant. The composition may be used in forming electroluminescent devices.

REFERENCES:
patent: 4146540 (1979-03-01), Avar et al.
patent: 7211334 (2007-05-01), Kathirgamanathan et al.

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