Gradient refractive index liquid crystal optical apparatus and image display apparatus
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United States of America Patent
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Nov 3, 2015
Grant Date -
Aug 13, 2015
app pub date -
Apr 20, 2015
filing date -
Dec 27, 2010
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Abstract
A gradient index liquid crystal optical apparatus according to an embodiment includes: a first substrate having a first face; a second substrate having a second face opposed to the first face of the first substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a plurality of first electrodes provided on the first face of the first substrate, and arranged along a first direction; a plurality of second electrodes provided on the first face of the first substrate to correspond to the first electrodes, the plurality of second electrodes being arranged along the first direction; a plurality of third electrodes provided on the first face of the first substrate and arranged along the first direction; and a fourth electrode provided on the second face of the second substrate.
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