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Phosphor, method of producing the same, and light emitting apparatus

  • US 8,663,498 B2
  • Filed: 11/21/2007
  • Issued: 03/04/2014
  • Est. Priority Date: 11/24/2006
  • Status: Active Grant
First Claim
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1. A phosphor comprising:

  • a divalent europium-activated oxynitride phosphor comprising a β

    -type SiAlON substantially represented by EuaSibAlcOdNe,wherein 0.005≦

    a≦

    0.4, b+c=12, and d+e=16, andwherein the phosphor has a reflectance of 95% or larger in a region of visible light wavelengths longer than the phosphor'"'"'s emission peak wavelength.

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