Liquid crystal device using ferroelectric liquid crystal twisted

Details Liquid crystal device using ferroelectric liquid crystal twisted Liquid crystal device using ferroelectric liquid crystal twisted

1985-09-06

1987-12-01

Miller, Stanley D.

350341, G02F 113

Patent

active

047099941

ABSTRACT:
A liquid crystal device comprising a ferroelectric liquid crystal placed under bistability condition with two stable states. The ferroelectric liquid crystal is placed under the bistability condition in the presence of a surface which has been uniaxially orientation-treated. The molecules of the ferroelectric liquid crystal align so as to be twisted in the thickness direction of the liquid crystal layer in either of the two stable states. The average dipole moments of the liquid crystal molecules in the two stable states are in mutually opposite polarities.

REFERENCES:
patent: 4508429 (1985-04-01), Nagae et al.
patent: 4548476 (1985-10-01), Kaneko
patent: 4591886 (1986-05-01), Umeda et al.
patent: 4613209 (1986-09-01), Goodby et al.
patent: 4634226 (1987-01-01), Isogai et al.
patent: 4655561 (1987-04-01), Kanbe et al.
Clark & Lagerwall, "Submicrosecond Bistable Electrooptic Switching . . . ", Applied Physics Lett., (Jun. 1980), vol. 36, No. 11, pp. 899-901.

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