Antiferroelectric liquid crystal cell

Details Antiferroelectric liquid crystal cell Antiferroelectric liquid crystal cell

1996-09-09

1998-05-05

Thomas, Alexander

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

349123, 349135, G02F 11337

Patent

active

057471223

ABSTRACT:
Aligning films formed on electrode plates of a liquid crystal cell containing an antiferroelectric liquid crystal are each made of a polyimide film represented by the following chemical formula: ##STR1## wherein x.sub.1 and Y.sub.1 are 4,4'-diaminoterphenyl and pyromellitic dianhydride each represented by the following chemical formulas: ##STR2##

REFERENCES:
patent: 4634228 (1987-01-01), Iwasaki et al.
patent: 5046823 (1991-09-01), Mori et al.
patent: 5612450 (1997-03-01), Mizushima et al.
"Smectric Layer Rotation in Antiferroelectric Liquid Crystal," Ozaki, et al., JP.J. of App. Physics, vol. 33 (1994), pp. L-1620--L-1623.
Abstract Document in 21st Liquid Crystal Forum, Fujikawa et al., Sep. 10, 1995, pp. 88-89.

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