Liquid crystal cell utilizing a ferroelectric liquid crystal hav

Details Liquid crystal cell utilizing a ferroelectric liquid crystal hav Liquid crystal cell utilizing a ferroelectric liquid crystal hav

1987-06-23

1989-08-01

Miller, Stanley D.

Compositions

Radioactive compositions

Nuclear reactor fuel

350350S, 25229963, G02F 113, C09K 1930

Patent

active

048529788

ABSTRACT:
Bistable switching between clear and scattering states is provided by a liquid crystal cell whose liquid crystal layer is constituted by a random orientation planar aligned ferroelectric smectic exhibiting a pitch length comparable with the wavelength of visible light.

REFERENCES:
patent: 4662721 (1987-05-01), Harada et al.
patent: 4702558 (1987-10-01), Coles et al.
patent: 4744639 (1988-05-01), Tsuboyama
patent: 4747671 (1988-05-01), Takakashi et al.
Goodby et al. "Helical Twist Sense and Spontaneous Polarization Direction in Ferroelectric Smectic Liquid Crystal" J. Am. Chem. Soc. 8/1986 vol. 108, pp. 4729-4735.
Aftergut et al. "Decay time of twist cells with liquid crystals of shortened pitch" Appl. Phys. Letters, vol. 30, No. 8, 4/15/77.
Physical Review A, vol. 28, No. 1, Jul. 1983. P. E. Cladis et al, "Soliton Switch in Chiral Smectic Liquid Crystals".
Japanese Journal of Applied Physics, vol. 23, No. 6, Jun. 1984. K. Yoshino et al, "New Electro-Optic Effect of Microsecond Response Utilizing Transient Light Scattering in Ferroelectric Crystal".

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