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White light LED device

  • US 20040159846A1
  • Filed: 02/18/2003
  • Published: 08/19/2004
  • Est. Priority Date: 02/18/2003
  • Status: Active Grant
First Claim
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1. A lighting apparatus comprising:

  • a semiconductor light source emitting radiation having a wavelength in the range of from about 460 to about 470 nm;

    a phosphor comprising Ca8Mg(SiO4)4Cl2;

    Eu2+,Mn2+ radiationally coupled to the semiconductor light source;

    wherein the phosphor is capable of absorbing the radiation emitted by the semiconductor light source and converting the radiation into white light.

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