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PHOSPHOR AND USE THEREOF

  • US 20090066230A1
  • Filed: 05/24/2006
  • Published: 03/12/2009
  • Est. Priority Date: 05/24/2005
  • Status: Active Grant
First Claim
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1. A nitride or oxynitride phosphor containing a divalent alkaline earth metal element and a divalent to tetravalent rare-earth metal element, wherein, the nitride or oxynitride phosphor corresponding to the following i) and/or ii):

  • i) the alkaline earth metal element is substituted by an element having a lower valence than the alkaline earth metal element and/or a vacancy; and

    ii) the rare-earth metal element is substituted by an element having a lower valence than the rare-earth metal element and/or a vacancy.

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