Liquid crystal cells – elements and systems – Particular structure – Interconnection of plural cells in series
Patent
1996-07-25
1997-10-14
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Interconnection of plural cells in series
349118, 349120, G02F 11335, G02F 11347
Patent
active
056777477
ABSTRACT:
In a liquid crystal display device having a driving liquid crystal cell interposed between two polarizers 1 and 4, the cell having a liquid crystal layer 3e held between two substrates 3a and 3b, the layer having a twisted molecular alignment when no voltage is applied, and the liquid crystal cell performing optical control, using the optical anisotropy of liquid crystal, there is provided with an optical anisotropic element 2 between the polarizer and the driving liquid crystal cell, the optical anisotropic element 2 comprising an optical anisotropic substance layer 2c in which the optical rotatory power slanted to the normal of the substrates 3a and 3b is greater than the optical rotatory power in the direction of the normal of the substrate. The angle of the optical axis of the optical anisotropic element 2 varies continuously or in stages in the direction of layer thickness of the optical anisotropic element as against the surface of the optical anisotropic element.
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Fukuoka Nobuko
Hatoh Hitoshi
Ishikawa Masahito
Manabe Atsuyuki
Duong Tai V.
Kabushiki Kaisha Toshiba
Sikes William L.
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