Process for inducing perpendicular alignment of liquid crystals
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United States of America Patent
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-
Aug 7, 1984
Grant Date -
N/A
app pub date -
Dec 10, 1981
filing date -
Dec 10, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liquid crystals are induced to assume substantially perpendicular alignment on the surfaces of substrates used to fabricate electro-optical device by causing long chain alcohols to react in the vapor phases with surface OH.sup.- inherently found on oxide coatings provided on the substrates. The process facilitates liquid crystal alignment in prefabricated electro-optical cells.
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