Apparatus for vacuum injecting liquid crystal
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United States of America Patent
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Aug 20, 1996
Issued Date -
N/A
app pub date -
Feb 17, 1995
filing date -
Dec 25, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A smectic liquid crystal is injected into a liquid crystal panel according to the vacuum injection scheme. The liquid crystal is applied over an injection port of a blank panel while maintaining the panel at a temperature below a temperature at which the liquid crystal shows a fluidity and controlling the liquid crystal at a viscosity of 0.0005 -0.005 kg/ms. As a result, an appropriate amount of the liquid crystal can be applied, thereby providing a liquid crystal panel free from inversion of bubbles and good and uniform alignment free from alignment failure.
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