| 摘要 |
An image display device is including a display panel in which a plurality of display units including at least pixels for displaying an image for a first point of view and a second point of view are arrayed in a matrix shape, a lens for distributing lights transmitted through pixels for the first point of view and lights transmitted through pixels for the second point of view into mutually different directions, and an illuminating member which is arranged on a back of the display panel and on whose face toward the display panel a plurality of convexes or concaves are formed, wherein a following formula is satisfied regarding the distance V between adjoining convexes or concaves in the illuminating member, where S is the distance between the pixels and the convexes or concaves, f is the focal distance of the lens, and L is the array cycle of the lens. <?in-line-formulae description="In-line Formulae" end="lead"?>V<=LxS/F<?in-line-formulae description="In-line Formulae" end="tail"?>
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