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Plasma display unit, phosphor and process for producing phosphor

  • US 7,208,102 B2
  • Filed: 05/15/2003
  • Issued: 04/24/2007
  • Est. Priority Date: 05/17/2002
  • Status: Expired due to Fees
First Claim
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1. A plasma display device comprising:

  • a plasma display panel including discharge cells corresponding to colors, respectively, and phosphor layers of the colors, respectively, said phosphor layers being excitable by ultraviolet rays to emit light,wherein said phosphor layers include a blue phosphor layer formed of a compound expressed by one of Ba1−

    x
    MgAl10O17;

    Eux and Ba1−

    x−

    y
    SryMgAl10O17;

    Eux, with said compound including at least one of(i) a pentavalent ion of Nb,(ii) a pentavalent ion of Ta,(iii) a pentavalent ion of P,(iv) a pentavalent ion of As,(v) a pentavalent ion of Sb,(vi) a pentavalent ion of Bi,(vii) an ion of Pr, and(viii) an ion of Tmsubstituting for a part of one of Al and Mg, and with 0.03≦

    x≦

    0.2 and 0.1≦

    y≦

    0.5.

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