| 摘要 |
According to one embodiment, a liquid crystal optical apparatus includes first and second substrate units and a liquid crystal layer. The first substrate unit includes a first substrate, first electrodes, and electrode pairs. The first electrodes extend in a first direction. The electrode pairs are provided between the first electrodes on the first major surface. Each electrode pair includes second and third electrodes, and an insulating layer provided between the second and third electrodes. The second substrate unit includes a second substrate and an opposing electrode. The liquid crystal layer is provided between the first and second substrate units. A distance from a position of a first pair of the electrode pairs to a position of a second pair most proximal to the first pair is shorter than a distance from a central axis between the first electrodes to the position of the first pair.
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