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Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device

  • US 7,414,272 B2
  • Filed: 07/13/2005
  • Issued: 08/19/2008
  • Est. Priority Date: 07/14/2004
  • Status: Active Grant
First Claim
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1. A method for manufacturing a nitrogen-containing fluorescent substance comprising:

  • accommodating an oxide fluorescent substance comprising two or more metal elements in a receptacle made of a material comprising carbon; and

    sintering the oxide fluorescent substance accommodated in the receptacle made of a material comprising carbon in a mixed gas atmosphere comprising nitrogen gas to produce a nitrogen-containing fluorescent substance.

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