Ferroelectric liquid crystal with pitch 1-2 times layer thicknes

Details Ferroelectric liquid crystal with pitch 1-2 times layer thicknes Ferroelectric liquid crystal with pitch 1-2 times layer thicknes

1995-07-14

1996-10-22

Sikes, William L.

Optical: systems and elements

Optical computing without diffraction

359 56, G02F 1141

Patent

active

055682995

ABSTRACT:
A ferroelectric liquid crystal display element equipped with a ferroelectric liquid crystal layer exhibiting a bookshelf layer structure and having a helical pitch of about one or two times a thickness thereof. A ferroelectric liquid crystal display element equipped with a ferroelectric liquid crystal layer holding a mingling state of two areas: one is an area where a polarization direction after removing of a predetermined voltage over the threshold voltage for a spontaneous polarization remains as inverted; and the other is an area where the polarization direction is again inverted back to the original.

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patent: 5062091 (1991-11-01), Tristani-Kendra
Clark et al., Submicrosecond Bistable Electro-Optic Switching in Liquid Crystals Appl. Phys. Lett. 36(11), Jun. 1, 1980.
Gary, et al., Thermotropic Liquid Crystal, 1987.
Hartmann, et al., A Passive-Matrix-Addressed Ferroelectric Liquid-Crystal Video Display, Proceedings of the SID, vol. 32/2, 1991.
Yabe, et al., A 5Mpixel Overhead Projection Display Utilizing a Nematic-Cholesteric Phase-Transition Liquid Crystal, SID 91 DIGEST, 1991.

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