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Polyurethane light guides

  • US 7,620,279 B2
  • Filed: 12/16/2005
  • Issued: 11/17/2009
  • Est. Priority Date: 12/17/2004
  • Status: Active Grant
First Claim
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1. A light guide formed from an unclad flexible polyurethane fibre, wherein said light guide is extruded under non-optimum conditions to create imperfections in the light guide that produce significant side scattering over distances of up to several meters.

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