Liquid crystal cell and method of manufacturing the same

Details Liquid crystal cell and method of manufacturing the same Liquid crystal cell and method of manufacturing the same

1998-03-27

1999-09-14

Sikes, William L.

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

Injecting liquid crystal

G02F 11341

Patent

active

059530952

ABSTRACT:
When a liquid crystal cell is filled with smectic liquid crystal, first, smectic liquid crystal having an isotropic phase is supplied into the liquid crystal cell under a first pressure. Then, smectic liquid crystal having a smectic phase is further supplied into the liquid crystal cell under a second pressure higher than the first pressure. Accordingly, even if smectic liquid crystal having the isotropic phase and held in the liquid crystal cell is changed into the smectic phase to cause volumetric shrinkage thereof, an amount of smectic liquid crystal reduced by the volumetric shrinkage can be compensated by supplying smectic liquid crystal into the liquid crystal cell under the second pressure. As a result, the liquid crystal cell can be securely prevented from having vacancies therein.

REFERENCES:
patent: 5355236 (1994-10-01), Mitsui
patent: 5548428 (1996-08-01), Masaki et al.
patent: 5699138 (1997-12-01), Watanabe et al.

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