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Light emitting device with stack of OLEDS and phosphor downconverter

  • US 5,874,803 A
  • Filed: 09/09/1997
  • Issued: 02/23/1999
  • Est. Priority Date: 09/09/1997
  • Status: Expired due to Term
First Claim
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1. A light emitting device comprising:

  • a substrate;

    a plurality of organic light emitting layers in a stacked arrangement over said substrate; and

    a downconversion phosphor layer disposed between any two of said plurality of organic light emitting layers.

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