Liquid crystal elements and conductive organic compound film-forming compositions
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United States of America Patent
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Jul 27, 1993
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N/A
app pub date -
Aug 20, 1992
filing date -
Aug 3, 1988
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Expired
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Abstract
A liquid crystal element has a pair of opposed substrates, electrodes thereon, and a ferroelectric liquid crystal sealed between the substrates. A film of a conductive organic compound or a mixture of a conductive organic compound and another organic compound is disposed on the substrate surface, optionally via an orienting film. The conductive organic compound is typically a charge-transfer complex. The film may be formed by an LB method, coating, vapor phase polymerization or electrolytic polymerization. The element has improved optical bistability, contrast, and response.
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