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Organic electroluminescent device with stabilizing fused metal particle cathode

  • US 5,073,446 A
  • Filed: 07/26/1990
  • Issued: 12/17/1991
  • Est. Priority Date: 07/26/1990
  • Status: Expired due to Term
First Claim
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1. An organic electroluminescent device comprised of, in sequence, a support, an anode, an organic electroluminescent medium, and a cathode consisting essentially of a plurality of metals other than alkali metals, at least one of said metals having a work function less than that of indium,characterized in that said cathode is comprised of a layer of fused metal particles containing at least 80 percent indium and having a mean diameter of less than 1 μ

  • m and a coefficient of variation of less than 20 percent.

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