Smectic liquid crystal device and process for producing the...

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...

Reexamination Certificate

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C252S299010, C349S093000, C349S188000

Reexamination Certificate

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10562673

ABSTRACT:
A smectic liquid crystal device and process for producing the same are provided to realize uniform orientation of a smectic liquid crystal with no nematic phase in a phase sequence represented by an antiferroelectric liquid crystal; and a process for producing the same. The process comprises the steps of inducing an isotropic phase-nematic phase-smectic phase as a phase sequence of mixture obtained by adding a photopolymerizable monomer liquid crystal exhibiting nematic phase to a smectic liquid crystal; and irradiating the mixture with UV rays so that the monomer is photopolymerized into a polymer to thereby form a smectic liquid crystal medium with uniform orientation structure.

REFERENCES:
patent: 5594569 (1997-01-01), Konuma et al.
patent: 6108061 (2000-08-01), Sako et al.
patent: 4-268389 (1992-09-01), None
patent: 2000-147510 (2000-05-01), None
patent: 2003-195032 (2003-07-01), None
patent: 2003-213265 (2003-07-01), None

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