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Light reflectant surface of expanded polytetrafluoroethylene with nodes and fibrils for backlit liquid crystal displays

  • US 5,838,406 A
  • Filed: 08/29/1995
  • Issued: 11/17/1998
  • Est. Priority Date: 08/29/1995
  • Status: Expired due to Term
First Claim
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1. A backlighted visual display comprisingat least one sheet of expanded polytetrafluoroethylene (PTFE) comprising a structure of nodes and fibrils, the sheet being conformable;

  • at least one light fixture mounted in the display;

    a light transmitting screen;

    the at least one sheet of expanded PTFE being mounted in the display so as to provide a high diffuse reflectivity of light from the light fixture through the screen.

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