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Organic electroluminescent devices with enhanced light extraction

  • US 6,777,871 B2
  • Filed: 12/22/2000
  • Issued: 08/17/2004
  • Est. Priority Date: 03/31/2000
  • Status: Expired due to Term
First Claim
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1. An organic electroluminescent light emitting device, comprising:

  • an assemblage capable of emitting light and an output coupler disposed adjacent to an element of said assemblage;

    wherein said assemblage comprising;

    a first electrode;

    a second electrode; and

    at least one organic light emitting layer; and

    wherein said output coupler reduces a Fresnel loss and has an index of refraction that matches an index of refraction of an element of said assemblage adjacent said output coupler.

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