Liquid crystal optical device and method for producing the same
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United States of America Patent
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Issued Date -
Aug 21, 2008
app pub date -
Feb 19, 2008
filing date -
Feb 20, 2007
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Abandoned
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Abstract
A liquid crystal optical device comprising a porous structure having numerous through holes or blind holes between substrates with driving electrodes and liquid crystal filled in between the substrate makes it possible to readily and stably control orientation of liquid crystal molecules by applying an electric-voltage between the electrodes and ensure a sufficient optical length of the liquid crystal, thus to significantly improve the response speed of the liquid crystal. The porous structure may be formed by, for instance, subjecting a high-purity aluminum material to anodizing treatment or subjecting a material of glass, resin, silicon, carbon or ceramic to etching treatment
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