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Silicate phosphor exhibiting high light emission characteristics and moisture resistance, and light emitting device

  • US 9,117,981 B2
  • Filed: 11/22/2011
  • Issued: 08/25/2015
  • Est. Priority Date: 11/22/2010
  • Status: Active Grant
First Claim
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1. A silicate phosphor having a coating layer comprising a fluorine-containing compound on its surface which is obtained by heating a mixture comprising a silicate phosphor and ammonium fluoride in an amount of 0.5 to 15 weight parts per 100 weight parts of the silicate phosphor at a temperature in the range of 200 to 600°

  • C.

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