Aluminum oxide and aluminum oxynitride layers for use with phosphors for electroluminescent displays

Aluminum oxide and aluminum oxynitride layers for use with phosphors for electroluminescent displays

  • CN 1,989,223 B
  • Filed: 07/22/2005
  • Issued: 03/27/2013
  • Est. Priority Date: 07/22/2004
  • Status: Active Grant
First Claim
Patent Images

1. phosphor laminate that is used for thick dielectric film electroluminescent device, described laminate comprises:

  • -rare-earth activated alkaline earth phosphor thin film layer;

    -with the bottom of described phosphor thin film layer directly in abutting connection with and the aluminum oxide or the oxynitriding aluminium lamination that contact;

    With-with the thick-film dielectric layer of described aluminum oxide or oxynitriding aluminium lamination adjacency,Wherein said phosphor thin film layer is by AB xC y;

    RE represents, wherein A is at least a of Mg, Ca, Sr or Ba;

    B is at least a of Al or In;

    C is at least a of S or Se;

    And2≤

    x≤

    4 and 4≤

    y≤

    7.

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