Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 15, 2009
0Patent Application Number
114060110
Date Filed
April 18, 2006
0Patent Primary Examiner
Patent abstract
An electronic aperture comprises first and second polarizers and a liquid crystal layer disposed between the first and second polarizers. The liquid crystal layer comprises a plurality of liquid crystals having an angular orientation that varies as a function of position. In one exemplary embodiment, the angular orientation of the liquid crystals varies as a function of distance from an optical axis.
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