Phosphorscent phosphor

Phosphorscent phosphor

  • CN 1,154,710 C
  • Filed: 11/01/1995
  • Issued: 06/23/2004
  • Est. Priority Date: 11/01/1994
  • Status: Active Grant
First Claim
Patent Images

1. Phosphorscent phosphor comprises and uses M 1-XAl 2O 4-XThe parent of expression, wherein, M is selected from least a metallic element in calcium, strontium, the barium, X is in the scope of-0.33≤

  • X≤

    0.60, but X ≠

    0, simultaneously, in this parent, add be equivalent to the metallic element represented with M the above europium below 20% (mole) of 0.002% (mole) as activator, interpolation is equivalent to more than 0.002% (mole) of the metallic element represented with M to be selected from lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, the lutetium at least a element as coactivator below 20% (mole).

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