Aligning and distorting features in enhanced scattering voltage sensitive encapsulated liquid crystal
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United States of America Patent
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Jul 4, 1989
Issued Date -
N/A
app pub date -
Mar 19, 1986
filing date -
Sep 16, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Encapsulated operationally nematic liquid crystal is contained in plural volumes formed by a containment medium. The volume walls tend to distort the natural structure of the liquid crystal in the absence of a prescribed input, such as an electric field; the liquid crystal structure tends to align in parallel in the presence of such prescribed input. An additive, for example a chiral additive, in the liquid crystal tends to expedite return to distorted alignment upon removal of the prescribed input. Moreover, an additive can be employed to cause the liquid crystal structure near the wall of the containment medium to be oriented approximately normal to the wall when in distorted or random alignment in the absence of the prescribed input.
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