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Organic electroluminescent device

  • US 8,890,404 B2
  • Filed: 12/22/2012
  • Issued: 11/18/2014
  • Est. Priority Date: 08/09/2002
  • Status: Expired due to Term
First Claim
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1. A light-emitting device comprising:

  • a first electrode;

    a first electroluminescent layer over the first electrode;

    a first insulating layer between the first electrode and the first electroluminescent layer;

    a second electroluminescent layer over the first electroluminescent layer;

    a carrier generation layer between the first electroluminescent layer and the second electroluminescent layer;

    a second electrode over the second electroluminescent layer, andwherein the carrier generation layer comprises aluminum.

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