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ORGANIC ELECTROLUMINESCENCE ELEMENT

  • US 20090066228A1
  • Filed: 05/08/2006
  • Published: 03/12/2009
  • Est. Priority Date: 05/11/2005
  • Status: Abandoned Application
First Claim
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1. An organic electroluminescent device comprising:

  • a transparent electrode;

    a counter electrode opposite to the transparent electrode; and

    at least one multilayered structure between the transparent electrode and the counter electrode, the structure comprising two organic emitting layers and an intermediate conductive layer between the organic emitting layers, a refractive index na of the intermediate conductive layer being different from a refractive index nb of at least one of the organic emitting layers by 0.25 or less, the intermediate conductive layer containing an oxide containing one or more types of rare earth elements.

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