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Organic electroluminescent device

  • US 6,121,727 A
  • Filed: 04/02/1998
  • Issued: 09/19/2000
  • Est. Priority Date: 04/04/1997
  • Status: Expired due to Term
First Claim
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1. An organic electroluminescent device comprisingan anode:

  • a cathode;

    an organic luminescent layer between the anode and the cathode; and

    a cathode interface layer between the organic luminescent layer and the cathode, whereinthe cathode interface layer comprises at least one compound selected froma halide of a metal of Group 3A of the Periodic Table,a halide of a metal of a lanthanide series of the Periodic Table, anda complex halide compound of at least two metal elements.

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