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Organic electroluminescence element and image forming apparatus or portable terminal unit using thereof

  • US 20030164679A1
  • Filed: 02/26/2003
  • Published: 09/04/2003
  • Est. Priority Date: 02/27/2002
  • Status: Active Grant
First Claim
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1. An organic electroluminescence element at least having, on a substrate, an anode for injecting holes, a luminous layer including a luminous zone, and a cathode for injecting electrons, characterized in that light emitted from the luminous layer is extracted to a surface opposed to the substrate, and an inverted V-like structure is formed in at least a part of an element forming surface of the substrate, the inverted V-like structure being higher than the luminous layer.

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