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Complex Crystal Phosphor, Light Emitting Device, Surface Light Source Apparatus, Display Apparatus, and Lighting Device

  • US 20110234118A1
  • Filed: 03/24/2011
  • Published: 09/29/2011
  • Est. Priority Date: 03/26/2010
  • Status: Active Grant
First Claim
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1. A complex crystal phosphor of an inorganic composition comprising an M element, an Al element, silicon, oxygen, and nitrogen,wherein the inorganic composition has particles at least two types of crystal phase, and the two types of crystal phase include a first crystal phase of a M2SiO4-yNx (0<

  • x<

    3. y=2x/3) crystal and a second crystal phase of a β

    -sialon crystal,wherein M is at least one element selected from the group consisting of (Mg), calcium (Ca), strontium (Sr), and barium (Ba).

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