1988-02-24
1989-08-22
Wintercorn, Richard A.
G03B 2160
Patent
active
048590274
ABSTRACT:
A lenticular lens screen is provided with first and second lenticular lens arrangements on light incident and outgoing sides which include unit lenses (i.e. lenticles) respectively. Each lenticle on the light outgoing side has a section of substantially semicircular or near arcuate shape having a radius smaller than a radius of a section of substantially semicircular or near arcuate shape of the lenticle on the light incident side. The lenticle on the light outgoing side is provided with an apex positioned inside the intersecting point of lights projected through both end portions of the lenticle on the light incident side.
REFERENCES:
patent: 4536056 (1985-08-01), Oguino
patent: 4636035 (1987-01-01), Clausen et al.
patent: 4752116 (1988-06-01), Sekiguchi
Dai Nippon Insatsu Kabushiki Kaisha
Wintercorn Richard A.
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