1983-12-30
1986-03-04
Wintercorn, Richard A.
350126, 350129, G03B 2160
Patent
active
045737649
ABSTRACT:
A rear projection screen is disclosed which uses a front surface lenticular array to distribute light from projection light sources through a horizontal angle of virtually 180.degree. with uniform luminance. Each lenticular element of the array is characterized by having a height to width ratio of at least 3:2 and a pitch width to tip width ratio of at least 2:1. The lenticular array is further characterized as having the capability of having up to two-thirds of the front surface area black masked. When used in a color television system, the rear projection screen exhibits minimal color shift.
REFERENCES:
patent: 4468092 (1984-08-01), Inoue et al.
patent: 4469402 (1984-09-01), Yata et al.
Briody Thomas A.
Goodman Edward W.
North American Philips Consumer Electronics Corp.
Streeter William J.
Wintercorn Richard A.
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