| 摘要 |
An image display apparatus includes: an image display panel; a backlight device; first and second liquid crystal prism elements each configured to change a deflection direction of emitted light according to a voltage applied thereto; a position detection section configured to detect a position of a user; and a control section configured to control the voltages applied to the liquid crystal prism elements, on the basis of information of the position of the user detected by the position detection section. Each liquid crystal prism element includes a pair of opposing substrates, a plurality of triangular prisms which have ridge lines extending in a first direction parallel to one side of the image display panel and are arranged between the pair of opposing substrates so as to be aligned along a second direction orthogonal to the first direction, and a liquid crystal sealed between the opposing substrates.
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