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METAL SILICATE HALIDE PHOSPHORS AND LED LIGHTING DEVICES USING THE SAME

  • US 20080128679A1
  • Filed: 09/28/2007
  • Published: 06/05/2008
  • Est. Priority Date: 10/03/2006
  • Status: Active Grant
First Claim
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1. ) A phosphor having a formula of (M1x,M21-x)6(SiO4)2X4:

  • A, wherein;

    M2 are each independently at least one metal ion selected from the group consisting of Mg2+, Ca2+, Sr2+, Ba2+, Zn2+ and Cd2+;

    x is a value from about 0.001 to about 1;

    X is at least one halide ion in ionic form; and

    A is at least one activator ion selected from the group consisting of Eu2+, Yb2+, Mn2+, Bi3+, Pb2+, Ce3+, Nd3+, Pr3+, Sm3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+ and Yb3+.

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