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

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

2004-11-08

2008-12-09

Koslow, C. Melissa (Department: 1793)

Compositions

Inorganic luminescent compositions

Zinc or cadmium containing

C977S834000, C977S824000

Reexamination Certificate

active

07462300

ABSTRACT:
A doped-type metal sulfide phosphor nanoparticle, whose surface is modified with a surface modifier, the surface modifier being a compound of 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 is a divalent linking group; and W is COOM or NH2, in which M is a hydrogen atom, an alkali metal atom, or NX4, in which X is a hydrogen atom or an alkyl group; a dispersion containing the nanoparticle; and a method of producing the nanoparticle or the dispersion.

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: 6558575 (2003-05-01), Andriessen et al.
patent: 2003/0030067 (2003-02-01), Chen
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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