Phosphorescent material and electroluminescent device using...

Details Phosphorescent material and electroluminescent device using... Phosphorescent material and electroluminescent device using...

2005-01-04

2005-01-04

Lambkin, Deborah C. (Department: 1626)

Compositions

Organic luminescent material containing compositions

Synthetic resin containing

C252S301170, C252S301170

Reexamination Certificate

active

06838019

ABSTRACT:
A phosphorescent light emitting material, the material is a complex compound comprises a beta-diketonate ligand, a sulfoxide ligand and a triple charge rare earth group metal ion, the phosphorescent light emitting material has a following structure:wherein M is a triple charge rare earth group metal ion, R2is hydrogen, R1and R3are selected from the group consisting of, hydrogen, C1to C8straight chain alkyl groups, C3to C8branch chain alkyl groups, heterocyclic groups and C6to C14aryl groups, and R4and R5are selected from the group consisting of substituted alkyl group, an unsubstituted alkyl group, an aryl group and a heterocyclic group.

REFERENCES:
patent: 5158703 (1992-10-01), Takuma et al.
Golodkooa et al, CA 104: 110 945, 1986.*
Powers et al, Ca 115: 70672, 1991.*
Iwase et al, CA 119: 58174, 1993.*
Maha Lak Shmi et al, CA 128: 200046, 1998.

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