Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1994-02-04
1995-12-26
Sikes, William L.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 63, 359102, G02F 11337
Patent
active
054792827
ABSTRACT:
No rubbing treatment is done on a pair of transparent substrates. A liquid crystal layer is sandwiched between these transparent substrates to exhibit a multi-domain structure wherein liquid crystal molecules are oriented to various directions at the interface between the liquid crystal layer and a transparent substrate so that the liquid crystal molecules can be considered to be orientated at every direction at an equal possibility with respect to the directions in a plane parallel to the transparent substrate. The transparent substrates constitute a liquid crystal display cell having a reference direction such as an observation direction. A pair of polarizers are disposed outside the transparent substrates to have a transmission or an absorption axis aligned with the observation direction.
REFERENCES:
patent: 3503673 (1970-03-01), Heilmeier et al.
patent: 4664479 (1987-05-01), Hiroshi
patent: 4852978 (1989-08-01), Davey et al.
patent: 5216531 (1993-06-01), Hirai et al.
Journal of Applied Physics, vol. 74, No. 3, Aug. 1, 1993, New York, U.S., pp. 2071-2075, Y. Toko et al, "Amoorphous Twisted Nematic-Liquid-Crystal Displays Fabricated by Nonrubbing Showing Wide and Uniform Viewing-Angle Characteristics Accompanying Excellent Voltage Holding Ratios."
Wayne M. Gibbons; "Surface-Mediated Alignment of Nematic Liquid Crystals with Polarized Laser Light"; May 2, 1991; pp. 49-50; Nature, vol. 351.
Y. Iimura; "Alignment Control of a Liquid Crystal on a Photosensitive Polyvinylalcohol Film"; Jan. 15, 1993; pp. 93-96; Japan J. Appl. Phys. vol. 32.
M. Schadt; "Surface-Induced Parallel Alignment of Liquid Crystals by Linearly Polymerized Photopolymers"; Jul. 1992; pp. 2155-2164.
Sugiyama Takashi
Toko Yasuo
Dudek James A.
Sikes William L.
Stanley Electric Co. Ltd.
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