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Efficiency transparent cathode

  • US 20040032206A1
  • Filed: 08/16/2002
  • Published: 02/19/2004
  • Est. Priority Date: 08/16/2002
  • Status: Active Grant
First Claim
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1. An organic light emitting device, comprising:

  • (a) an anode;

    (b) an organic layer disposed over the anode;

    (c) a layer comprising an alkaline metal compound disposed over the organic layer;

    (d) a layer comprising Mg or a Mg-metal alloy disposed over the layer comprising an alkaline metal compound, and (e) a layer comprising a transparent conductive metal oxide disposed over the layer comprising Mg or Mg-metal alloy.

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