Color image forming apparatus comprising ferroelectric smectic l

Details Color image forming apparatus comprising ferroelectric smectic l Color image forming apparatus comprising ferroelectric smectic l

1986-01-16

1987-12-15

Miller, Stanley D.

350331R, 350336, 350339F, G02F 113

Patent

active

047128780

ABSTRACT:
An image-forming apparatus, comprising: a liquid crystal cell comprising an electroconductive member, an electric charge-accepting member, and a ferroelectric liquid crystal interposed therebetween; charging means for imparting an electric charge to the electric charge-accepting member sufficient to form an electric field exceeding the threshold voltage of the ferroelectric liquid crystal; and a multi-color optical filter disposed in the neighborhood of the electroconductive member and comprising a plurality of filter elements of which adjacent ones have mutually different spectral characteristics.

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patent: 4593978 (1986-06-01), Mourey et al.
patent: 4603945 (1986-08-01), Fergason
patent: 4643533 (1987-02-01), Armitage
Tsai, R. C., "High Data Density Four-Color LCD," Optical Engineering (May/Jun. 1982), vol. 21, No. 3, pp. 565-568.

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