| 摘要 |
PROBLEM TO BE SOLVED: To provide a bright display having almost equal resolution both in the horizontal direction and vertical direction as well as a wide field of view. SOLUTION: In the parallax display using a lens array, a cylindrical lens is divided into a plurality of parts along the direction of the curvature, the divided lenses (fraction lenses 1) are arranged in the direction having no curvature to constitute a fraction lens group 5, and the lens groups 5 are arranged into an array to constitute the lens array. An image display having an image with parallax information is disposed on the back face of the lens array to constitute the parallax display. The fraction lenses constituting the fraction lens group 5 are arranged in such a manner that the contact faces of the fraction lenses adjacent to each other in the direction having the curvature of the fraction lens are equal in height.
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