Liquid crystal lens, head mounted display and polarized sunglasses
Abstract:
Provided is a liquid crystal lens including: a first substrate; a second substrate facing the first substrate; and a liquid crystal layer held between the first substrate and the second substrate and containing liquid crystal molecules. The first substrate includes a Fresnel lens and a first electrode sequentially toward the liquid crystal layer. The second substrate includes a second electrode. The Fresnel lens includes a Fresnel-shaped part including annular lens surfaces in a concentric circle pattern and a flat part including a flat surface that extends in a radial direction of the concentric circle and intersects at least one of the annular lens surfaces. The annular lens surfaces are on a liquid crystal layer-facing surface of the Fresnel-shaped part and defines an uneven surface. The flat surface is on the liquid crystal layer-facing surface of the flat part.
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