Dimensions of spacer particles for a ferroelectric liquid crysta

Details Dimensions of spacer particles for a ferroelectric liquid crysta Dimensions of spacer particles for a ferroelectric liquid crysta

1986-05-14

1987-12-15

Miller, Stanley D.

350 35OS, G02F 1133

Patent

active

047128755

ABSTRACT:
A liquid crystal device comprising a pair of base plates and a ferroelectric chiral smectic liquid crystal disposed between the base plates. The pair of base plates being secured to each other to leave a spacing which is small enough to release the spiral structure of the ferroelectric chiral smectic liquid crystal due to the wall effect of the base plates. Fibrous spacers having a diameter d (.mu.m) and an average length l satisfying the relationship of 3.ltoreq.l/d.ltoreq.100 are disposed together with the ferroelectric chiral smectic liquid crystal.

REFERENCES:
patent: 3742600 (1973-07-01), Lowell
patent: 4362771 (1982-12-01), Umeda et al.
patent: 4458988 (1984-07-01), Pettersen

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