| 摘要 |
According to one embodiment, a display device includes a light source, a light guide, a light extraction unit, and a drive circuit. The light guide is configured to guide light emitted by the light source from one end side of the light guide toward one other end side of the light guide. The light extraction unit is provided on a surface of the light guide, and includes a liquid crystal dispersion layer, a first electrode, and a second electrode. The liquid crystal dispersion layer includes liquid crystal droplets, and the first and second electrodes are configured to cause an electric field to occur in the liquid crystal dispersion layer. The drive circuit is configured to apply a voltage between the electrodes. Liquid crystal molecules included in the liquid crystal droplets are configured to have an orientation parallel to the surface of the light guide in the electric field.
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