| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission type projection screen which lessens scintillation by improving the conventional transmission type projection screen. SOLUTION: This transmission type projection screen comprises a Fresnel lens and lenticular lens for displaying the projected videos from a projector having at least a light source, video display and projection lens and has a perpendicular direction diffusing optical element exclusive of a light diffusion material.
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