Liquid crystal lens device and image display device
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United States of America Patent
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Dec 30, 2014
Grant Date -
Oct 3, 2013
app pub date -
Dec 17, 2012
filing date -
Mar 28, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, an image display device includes a liquid crystal lens device and an image display unit. The liquid crystal lens device includes a liquid crystal optical element unit. The liquid crystal optical element unit includes a first substrate unit, a second substrate unit and a liquid crystal layer. The liquid crystal layer is provided between the first and second substrate units. The liquid crystal layer has an alignment twisted by an angle not less than 5 degrees and not more than 45 degrees along a normal axis of a major surface of the first substrate unit. The image display unit includes a display unit. The second substrate unit is disposed between the first substrate unit and the display unit.
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