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Semiconductive copolymers for use in luminescent devices

  • US 5,512,654 A
  • Filed: 05/19/1994
  • Issued: 04/30/1996
  • Est. Priority Date: 08/24/1990
  • Status: Expired due to Term
First Claim
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1. An optical service which comprises a substrate and at least one semiconductive conjugated copolymer layer supported by the substrate, wherein the copolymer comprises an amount of poly(p-phenylene vinylene) in the range of about 90-95% and an amount of poly(2,5-dimethyl-phenylene vinylene) in the range of about 5-10%.

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