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Light-emitting element and display device using same

  • US 8,193,697 B2
  • Filed: 08/10/2011
  • Issued: 06/05/2012
  • Est. Priority Date: 12/12/2002
  • Status: Expired due to Fees
First Claim
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1. A light-emitting device having a substrate and a light-emitting element formed on the substrate;

  • the light-emitting element comprising;

    a stacked layer structure portion including a reflective electrode, a light-emitting layer on the reflective electrode and a transparent electrode on the light-emitting layer which are stacked over the substrate with the reflective electrode as a bottom layer;

    the light-emitting layer having a flat surface provided at least on a portion of the light-emitting layer;

    a bank at least disposed in a peripheral area surrounding the flat surface or on a peripheral portion of the flat surface of the light-emitting layer and having a tilt surface tilted with respect to the flat surface; and

    a conductive film at least provided on the tilt surface and electrically connected with the transparent electrode, the conductive film forming a reflective surface on the tilt surface;

    wherein an optical waveguide layer is provided in an area surrounded by the tilt surface.

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