Bistable cholesteric liquid crystal displays with very high contrast and excellent mechanical stability
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Apr 14, 1995
filing date -
Apr 14, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A structurally stabilized bistable cholesteric display. The display has a back plate and a front plate with a liquid crystal material disposed therebetween. The liquid crystal material is homeotropically aligned at least at the substrate and is held in alignment by a securement matrix forming agent. The material is thermally annealed to align the helix axis of the liquid crystal molecules parallel to the substrates and a polymer may be used to secure the molecules in this position.
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