Liquid crystal electro-optical modulator and method of optical modulation
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United States of America Patent
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Oct 20, 2009
Grant Date -
Feb 7, 2008
app pub date -
Aug 3, 2006
filing date -
Aug 3, 2006
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Abstract
An electro-optical modulator includes a substrate, a first electrode over the substrate, a second electrode over the first electrode, the first electrode and second electrode being capable of providing an electric field between the first electrode and the second electrode, and a modulating structure between the first electrode and the second electrode, the modulating structure containing at least one liquid crystal cell capable of operating in one of a reflective mode and a transmissive mode under the control of the electrical field.
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