1976-01-23
1978-01-03
Wintercorn, Richard A.
96116, 350276R, G03B 2160
Patent
active
040663329
ABSTRACT:
A rear projection screen having means for controlling light direction comprising a light diffusion plate composed of wax, a crystalline polymer or a mixture thereof, and light shielding layers contained in the light diffusion plate which are parallel to the direction of image projection.
REFERENCES:
patent: 2980567 (1961-04-01), Steel
patent: 3330692 (1967-07-01), Ehrlich
patent: 3779630 (1973-12-01), Clausen et al.
patent: 3832031 (1974-08-01), Land
Kato Hisatoyo
Miyahara Junji
Fuji Photo Film Co. , Ltd.
Wintercorn Richard A.
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