Phosphorescent phosphor

Phosphorescent phosphor

CN
  • CN 1,151,229 C
  • Filed: 03/22/1994
  • Issued: 05/26/2004
  • Est. Priority Date: 04/28/1993
  • Status: Active Grant
First Claim
Patent Images

1. Phosphorscent phosphor comprises and uses MAl 2O 4The parent of expression, M is at least a metallic element that is selected from calcium, strontium, the barium, wherein uses MAl at this 2O 4Mix in the parent of expression as the europium of activator with as at least a metallic element that is selected from cerium, praseodymium, neodymium, samarium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium of coactivator, the incorporation of this europium is the 0.001mol% to 10mol% that is equivalent to the metallic element represented with M, and the incorporation of this coactivator is the 0.001mol% to 10mol% that is equivalent to the metallic element represented with M.

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