Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 29, 2009
Patent Application Number
11210763
Date Filed
August 25, 2005
Patent Primary Examiner
Patent abstract
An optical element including: a container which is light-transmissive at least in a light passage region; a light-transmissive dispersion medium enclosed in the container; a light-transmissive dispersion dispersed in the dispersion medium and having a refractive index different from the refractive index of the dispersion medium; and an electromagnetic field generator which controls the refraction of light passing through the light passage region by moving the dispersion dispersed in the dispersion medium by an electromagnetic force.
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