Doped-type metal sulfide phosphor nanoparticle, dispersion...

Details Doped-type metal sulfide phosphor nanoparticle, dispersion... Doped-type metal sulfide phosphor nanoparticle, dispersion...

2006-12-29

2008-12-09

Koslow, C. Melissa (Department: 1793)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C252S30160S, C977S834000, C977S824000

Reexamination Certificate

active

07462299

ABSTRACT:
A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in water and/or a hydrophilic solvent,wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]:in-line-formulae description="In-line Formulae" end="lead"?HS-L-W  Formula [I]in-line-formulae description="In-line Formulae" end="tail"?wherein L represents a divalent linking group; and W represents COOM or NH2, in which M represents a hydrogen atom, an alkali metal atom, or NX4, in which X represents a hydrogen atom or an alkyl group.

REFERENCES:
patent: 5985173 (1999-11-01), Gray et al.
patent: 6106609 (2000-08-01), Yang et al.
patent: 6319426 (2001-11-01), Bawendi et al.
patent: 2002-38145 (2002-02-01), None
M. Ihara et al., “Cathodoluminescence and Photoluminescence of Nanocrystal Phosphors”, Journal of The Electrochemical Society, vol. 149, No. 3, 2002, pp. H72-H75.

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