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PHOSPHOR, PRODUCTION METHOD THEREOF, PHOSPHOR-CONTAINING COMPOSITION, LIGHT EMITTING DEVICE, AND DISPLAY AND ILLUMINATING DEVICE

  • US 20100090585A1
  • Filed: 09/29/2009
  • Published: 04/15/2010
  • Est. Priority Date: 03/30/2007
  • Status: Abandoned Application
First Claim
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1. A phosphor containing an alkaline-earth metal aluminate, having a crystal phase comprising an alkali metal element, wherein:

  • a rate of substituted Eu (europium) to the number of sites which can be substituted with Eu of said crystal phase is 25% or higher; and

    a ratio of said alkali metal element to the number of sites which can be substituted with Eu of said crystal phase is 3% or lower.

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