Encapsulated liquid crystal in liquid crystal material where one

Details Encapsulated liquid crystal in liquid crystal material where one Encapsulated liquid crystal in liquid crystal material where one

1992-10-30

1995-02-28

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 94, 359 99, G02F 113, G02F 1137

Patent

active

053942566

ABSTRACT:
A liquid crystal display comprises transparent electrodes formed on opposite surfaces of a pair of transparent substrates and a liquid crystal layer filled between the transparent substrate, in which the liquid crystal layer is formed of at least two kinds of liquid crystals which are separated each other and provided in the form of a layer in the direction horizontal to the substrate, a first kind of liquid crystal includes at least one kind of liquid crystal (liquid crystal I) showing that dielectric constant anisotropy .DELTA..epsilon.>0 and refractive index anisotropy .DELTA.n>0 and a second kind of liquid crystal includes at least one kind of liquid crystal (liquid crystal II) showing that the dielectric constant anisotropy .DELTA..epsilon.<0 and the refractive index anisotropy .DELTA.n>0 or liquid crystal (liquid crystal III) showing that the dielectric constant anisotropy .DELTA..epsilon.>0 and the refractive index anisotropy .DELTA.n<0.

REFERENCES:
patent: 4581608 (1986-04-01), Aftergut et al.
patent: 5168380 (1992-12-01), Fergason
patent: 5208687 (1993-05-01), Yoshida et al.

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