Bulk diffuser for a projection television screen

Details Bulk diffuser for a projection television screen Bulk diffuser for a projection television screen

1986-06-05

1987-07-14

Wintercorn, Richard A.

350128, G03B 2160

Patent

active

046799001

ABSTRACT:
A bulk diffuser for rear projection television screens which exhibits a Gaussian intensity profile. By appropriately selecting the indices of refraction of the substrate and the spheres therein and the range of diameters of the spheres, the intensity half-angle is made equal to the energy half-angle.

REFERENCES:
patent: 3614199 (1971-10-01), Altman
patent: 3712707 (1973-01-01), Henkes, Jr.
patent: 3751135 (1973-08-01), Claussen et al.
patent: 3827783 (1974-08-01), Lemelson
patent: 4573764 (1986-03-01), Bradley

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