| 摘要 |
[PROBLEMS] To solve color variation and intensity variation of a three-dimensional image. [MEANS FOR SOLVING PROBLEMS] A three-dimensional display comprises a two-dimensional display and a renticular sheet. The two-dimensional display has color pixels composed of horizontal rows of pixels extending horizontally and vertical columns of pixels extending substantially perpendicularly to the horizontal direction. In the horizontal rows, red, green, and blue pixels are periodically arranged, and the colors of the pixels of each vertical column are the same. The renticular sheet has cylindrical lenses through which the color pixels are viewed and which are provided on the two- dimensional display and parallel extended. The center axis of each cylindrical lens is inclined at an angle Theta to the vertical columns of the two-dimensional display. The relation Theta=tan-1(3px/Npy) is satisfied where px is the pitch in the horizontal direction of the color pixels, py is the pitch in the vertical direction of the color pixels, the color pixel group constituting one three-dimensional pixel is composed of 3M x N color pixels, namely, 3M color pixels in each horizontal row of one cylindrical lens and N color pixels in each vertical column of one cylindrical lens.
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