Patent ID: 7411640

Claim:
An image display device comprising: a display panel in which a plurality of pixel sections in the form of a matrix, each pixel section including at least a pixel for displaying an image for a first viewpoint and a pixel for displaying an image for a second viewpoint; a lens disposed in front of the display panel, said lens being constituted by a plurality of lens elements for refracting light emitted from each pixel to output the light in different directions; and a reflection plate disposed in said display panel or in the rear of said display panel, said reflection plate having surface projections on the surface thereof for reflecting the exterior light to said lens; wherein the focal distance f of said lens is the same as the distance H between the surface of said reflection plate and the apex of the lens, and wherein the surface projections on the surface of said reflection plate is designed in such a way that the light entering the three-dimensional image display device is reflected plural times.