Rear projection screen with patterned lenticular prismatic struc

Details Rear projection screen with patterned lenticular prismatic struc Rear projection screen with patterned lenticular prismatic struc

1980-06-09

1982-07-20

Hix, L. T.

350167, G03B 2162

Patent

active

043402755

ABSTRACT:
A rear projection screen having a patterned lenticular prismatic structure formed on the front side for providing an asymmetrical viewing field of a substantially wider viewing angle in the horizontal direction than in the vertical direction, throughout which are achieved superior optical properties particularly in terms of light uniformity and light efficiency. A surface pattern in the form of tiny lenslets formed through a reliable etch process contributes a high gain factor diffusion to the projected light which coacts with optical characteristics of the prism configuration.

REFERENCES:
patent: 1666808 (1928-04-01), Buchner
patent: 2268351 (1941-12-01), Tanaka
patent: 3781091 (1973-12-01), Ferguson
patent: 4012115 (1977-03-01), Brown
patent: 4147408 (1979-04-01), Plummer

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