1983-12-27
1986-01-28
Hix, L. T.
350128, G03B 2160
Patent
active
045667560
ABSTRACT:
A projection screen comprises a single plate of a transparent material. The diffusion in the horizontal direction is provided by filamentary particles which are oriented substantially in one direction in the plate material. Both surfaces of the plate are then capable of performing different functions, yielding a projection screen with an optimally uniform brightness distribution, minimal color faults and maximum contrast.
REFERENCES:
patent: 1943995 (1934-01-01), Weld
patent: 2338654 (1944-01-01), MacNeille
patent: 3523717 (1970-08-01), Glenn, Jr.
patent: 3679451 (1972-07-01), Marks et al.
patent: 4379617 (1983-04-01), Funakoshi et al.
patent: 4443814 (1984-04-01), Mori et al.
Abate Joseph P.
Hix L. T,.
Rutledge Della J.
U.S. Philips Corporation
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