Surface stabilized ferroelectric liquid crystal switching using

Details Surface stabilized ferroelectric liquid crystal switching using Surface stabilized ferroelectric liquid crystal switching using

1991-04-19

1992-04-07

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 89, 359100, G02F 113

Patent

active

051033291

ABSTRACT:
An electro-optic shift register uses proximity effects to propagate data more efficiently. The apparatus includes a pair of conducting planes separated by a plane spacing, whereby one of the conducting planes includes a plurality of electrodes having an electrode gap narrower than the plane spacing. A Surface Stabilized Ferroelectric Liquid Crystal is located between the conducting planes with a thickness sufficient to enable the formation of a domain wall between the pixels corresponding with the electrodes. The resulting domain wall also overlaps the pixels and the corresponding electrodes. The domain wall provides a desirable proximity effect by overlapping regions having nonzero electrostatic potential. A three-phase timing sequence ensures the domain wall propagates in a single direction.

REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.
patent: 4815035 (1989-03-01), Brooks
patent: 4954823 (1990-09-01), Binstead

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