Optical element with sub elements and an addressable mask
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United States of America Patent
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Apr 5, 2016
Grant Date -
Aug 8, 2013
app pub date -
Apr 8, 2011
filing date -
Apr 9, 2010
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Abstract
A light modulation device comprising an optical element and at least one addressable mask disposed adjacent to the optical element. The optical element comprises at least two sub-elements, each of the at least two sub-elements having at least one optical characteristic wherein at least one optical characteristic of one sub-element is discrete from at least one optical characteristic of another sub-element. The mask comprises at least two regions corresponding to the at least two sub-elements, each of the at least two regions being individually addressable to enable its corresponding sub-element to be light transmitting.
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