SPATIAL LIGHT MODULATOR COMPRISING A LIQUID CRYSTAL DEVICE HAVING REDUCED STRAY LIGHT
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Aug 10, 2012
filing date -
Aug 12, 2011
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Abandoned
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Abstract
A liquid-crystal device having at least one first electrode arranged in a first plane, and a plurality of second electrodes arranged in a second plane essentially parallel to the first plane, a liquid-crystal layer arranged between the first plane and the second plane, which liquid-crystal layer is formed to modify a property of light passing through the liquid-crystal layer, as a function of the level of an electrical voltage applied between one first electrode and one second electrode. The liquid-crystal device has electrodes formed and arranged in such that a transverse electric field can be generated in an intermediate region between neighboring second electrodes, which orientates the liquid crystals contained in the intermediate region to cause, directly an amplitude reduction of light passing through the intermediate region of the liquid-crystal device, which is greater than an amplitude reduction of the light passing through the liquid-crystal layer outside the intermediate region.
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