Rear projection screen

Details Rear projection screen Rear projection screen

1991-01-23

1991-12-31

Wintercorn, Richard A.

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

G03B 2160

Patent

active

050766619

ABSTRACT:
A rear projection screen for color television of the type having an array of vertically oriented, parallel lenticular elements on the front surface, uses two diagonally crossed, parallel lenticular element arrays embedded in the screen to control spreading of light into the front lenticular array, achieving better control and less attenuation of the light than systems using surface of bulk diffusion or a single horizontal lenticular array.

REFERENCES:
patent: 2618198 (1952-11-01), Luboshez
patent: 3809457 (1974-05-01), Kurtz et al.
patent: 3830556 (1974-08-01), Bratkowski
patent: 4573764 (1986-03-01), Bradley

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