Rear-projection screen

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G03B 2160

Patent

active

046662480

ABSTRACT:
The invention relates to a rear-projection screen whose optical and mechanical properties can be optimized substantially independently of one another. The back of the screen is provided with a two-dimensional structure of anamorphotic lenses in which a Fresnel lens may be integrated. The screen comprises a light-absorbing layer with transparent apertures in order to reduce the ambient light reflected by the screen.

REFERENCES:
patent: 2738706 (1956-03-01), Thompson, Jr.
patent: 3191495 (1965-06-01), Miller
patent: 3523717 (1970-08-01), Glenn, Jr.
patent: 3832032 (1974-08-01), Shimada
patent: 4003080 (1977-01-01), Maiman et al.
patent: 4172219 (1979-10-01), Deml et al.
patent: 4298246 (1981-11-01), Iwamura

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