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US 4,053,208 AGranted
Rear projection screens
AssigneeFuji Photo Film Co., Ltd.
InventorsHisatoyo Kato, Junji Miyahara
Life of this patent
Estimating the term…
Abstract
A rear projection screen produced by providing surface irregularity directly on at least one side of a light diffusion layer containing at least one light scattering material selected from the group consisting of one or more waxes, one or more crystalline polymers or a mixture thereof.
Claims21
A rear projection screen comprising a diffusion layer containing at least one light scattering material selected from the group consisting of wax and crystalline polymers wherein a micro-optical surface irregularity is provided directly on at least one side of said diffusion layer.
Dependencies are inferred from the claim text.