Wavelength-converting casting composition and white light-emitting semiconductor component

  • US 6,613,247 B1
  • Filed: 09/01/2000
  • Issued: 09/02/2003
  • Est. Priority Date: 09/20/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A wavelength-converting casting composition, comprising:

  • a transparent epoxy casting resin;

    an inorganic luminous substance pigment powder dispersed in said transparent casting resin, said pigment powder comprising luminous substance pigments selected from the group consisting of garnets doped with rare earths;

    thiogallates doped with rare earths;

    aluminates doped with rare earths; and

    orthosilicates doped with rare earths; and

    said luminous substance pigments having grain sizes ≦

    20 μ

    m and a mean grain diameter d50

    5 μ


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