Lenticular lens sheet, display front plate and transmission type

Details Lenticular lens sheet, display front plate and transmission type Lenticular lens sheet, display front plate and transmission type

1997-08-14

1999-03-09

Ben, Loha

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359621, 359622, 359628, 359456, 359457, G02B 2710

Patent

active

058808876

ABSTRACT:
A lenticular lens sheet includes a substrate layer, a lens portion having a lenticular lens configuration which is shaped so as to be convex on a light incident face side of the substrate layer and an achromatic or chromatic colored layer formed adjacent to at least a light incident face of the lens portion. The substrate layer is not colored. Alternatively, it is colored thinner than the colored layer. With the arrangement, it is possible to restrict reflection of outside light and enhance the contrast of picture without reducing the intensity of image light so much. Further, it is possible to realize fine pitching of images.

REFERENCES:
patent: 3484599 (1969-12-01), Little
patent: 4431266 (1984-02-01), Mori et al.
patent: 4727533 (1988-02-01), Erbert
patent: 5056912 (1991-10-01), Hamada et al.
patent: 5400114 (1995-03-01), Yoshida et al.
patent: 5615048 (1997-03-01), Davies et al.
patent: 5699190 (1997-12-01), Young et al.
patent: 5724182 (1998-03-01), Mitani et al.

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