Process for producing liquid crystal device including rubbing wi

Details Process for producing liquid crystal device including rubbing wi Process for producing liquid crystal device including rubbing wi

1994-07-28

1995-10-03

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 78, 359100, G02F 1337, G02F 113

Patent

active

054556953

ABSTRACT:
A liquid crystal device, particularly a ferroelectric liquid crystal device, with improved homogeneity of initial alignment and bistability is provided by using an alignment film formed by rubbing with at least two rubbing rollers rotating at different speeds. Further a liquid crystal device, particularly a ferroelectric liquid crystal device, with improved drive characteristic as well as suppressed liquid crystal movement is provided by using an alignment film formed by plural times of rubbing under different conditions.

REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.,
patent: 5035491 (1991-07-01), Kawagishi et al.
patent: 5151804 (1992-09-01), Verhulst et al.
patent: 5172255 (1992-12-01), Brosig et al.
patent: 5182662 (1993-01-01), Mihara
patent: 5221981 (1993-06-01), Kodera et al.

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