Non Sterol Liquid Crystal Thermographic Screen

  • K. G. Archer


The new chiral nematic thermochromic liquid crystals are better in many ways than the hitherto available cholesteryl based liquid crystals. The fundamental advantage the chiral nematics possess is that they are chemically pure and stable. Different batches should therefore be the same, and once a formulation has been established to reflect light at a given temperature, that formulation can be repeated with an accuracy of ± 0.1°C. This is a considerable improvement over the rather ‘hit and miss’ formulations of cholesteric liquid crystals.


Liquid Crystal Cholesteryl Ester Polymer Dispersion Cholesteric Liquid Crystal Color Purity 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • K. G. Archer
    • 1
  1. 1.Liquid Crystal TechnologyLondonUK

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