Ferro-electric liquid-crystal panel having a chiral-nematic meso

Details Ferro-electric liquid-crystal panel having a chiral-nematic meso Ferro-electric liquid-crystal panel having a chiral-nematic meso

1990-07-17

1992-03-03

Hille, Rolf

Optical: systems and elements

Optical computing without diffraction

359 75, 359 78, G02F 113

Patent

active

050937421

ABSTRACT:
A ferro-electric liquid-crystal panel comprises two substrates with electrodes and alignment layers which face one another, and a ferro-electric liquid-crystal sealed therebetween to align the molecules thereof in a homogeneous fashion. The alignment direction of one of the alignment layers is twisted at an angle between 110 and 150 degrees relative to that of the other alignment layer. The direction of twist defined by the alignment layer, as viewed in front, is opposite to the twist direction of the liquid-crystal molecules in chiral-nematic mesophase.

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patent: 4896947 (1990-01-01), Leenhouts
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