Ferro-electric liquid crystal electro-optical device

Details Ferro-electric liquid crystal electro-optical device Ferro-electric liquid crystal electro-optical device

1985-06-28

1987-09-15

Hix, L. T.

G02F 113

Patent

active

046935630

ABSTRACT:
A ferro-electric liquid crystal electro-optical device, e.g., a display device or a shutter for a printer. The electro-optical device is driven in time-shearing. The device comprises a panel having a ferro-electric liquid crystal disposed between scanning electrodes and display electrodes, a drive portion for driving the panel and a control portion for controlling the drive portion. The panel can be driven by scanning only a part of the scanning electrodes for partially rewriting.

REFERENCES:
patent: 4548476 (1985-10-01), Kaneko
Meyer et al., "Ferroelectric Liquid Crystals", Le Journal de Physique-Letters Mar. 1975 pp. L-69-L-71.
Clark et al., "Submicrosecond Bistable Electro-Optic Switching in Liquid Crystals", Appl. Phys. Lett., Jun. 1980, pp. 899-901.

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