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High contrast black-and-white chiral nematic displays

  • US 20040125284A1
  • Filed: 07/25/2003
  • Published: 07/01/2004
  • Est. Priority Date: 07/26/2002
  • Status: Abandoned Application
First Claim
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1. A full spectrum black-and-white reflective chiral nematic display, comprising:

  • i) a chiral nematic display of controllable planar structure and focal conic structure;

    ii) two transparent substrates said substrates having conductive electrodes;

    iii) to elliptical polarizers;

    iv) said chiral nematic liquid crystal material being between the two transparent substrates;

    v) said liquid crystal material and said transparent substrates being between said polarizers; and

    v) the display further comprising an optical reflector.

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