Front projection screen

Details Front projection screen Front projection screen

1990-01-24

1991-02-12

Wintercorn, Richard A.

G03B 2160

Patent

active

049919334

ABSTRACT:
A front projection screen includes front and rear refractive facets. The rear refractive facets are coated with refractive coating layers for reflecting an image light which has penetrated through the front refractive facets toward the front refractive facets. Upper and lower flanks are disposed at both upper and lower side surfaces of the rear refractive facets. Penetrative coating layers are formed on the lower flanks. A light-absorbing member is disposed between the penetrative coating layers and the upper flanks so as to absorb the illumination light (noise light).

REFERENCES:
patent: 2086556 (1937-07-01), Jacobson
patent: 2660927 (1953-12-01), Burton
patent: 2738706 (1956-03-01), Thompson, Jr.
patent: 3191495 (1965-06-01), Miller
patent: 3844644 (1974-10-01), Martinez
patent: 4298246 (1981-11-01), Iwamura
patent: 4767186 (1988-08-01), Bradley, Jr. et al.

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