PROBLEM TO BE SOLVED: To provide a projection screen having: color clarity of a transmission projection image in bright environment; a projection screen excellent in the effect of hot spot concealment; and noncombustibility complying with Building Standards Law.;SOLUTION: A back face projection screen is a translucent laminate having light diffusion layers on both surfaces of a resin-impregnated cover glass cloth as a base material. The light diffusion layers contain 1-20 mass% of spherical particles whose sizes are 2.5-20 μm. A light irregular reflection layer having silicon oxide particles and/or pearl pigment particles is provided on at least one outermost surface of the translucent laminate.;COPYRIGHT: (C)2015,JPO&INPIT
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