Lenticular lens sheet and process for producing the same

Details Lenticular lens sheet and process for producing the same Lenticular lens sheet and process for producing the same

1998-10-20

2000-04-04

Epps, Georgia

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359629, G02B 2710, G02B 2714

Patent

active

060468556

ABSTRACT:
A lenticular lens sheet comprising a base member in the form of a film or sheet, and a lens area including lenticular lenses convexly formed on the light-entering surface of the base member. The lens area is formed by using an ionizing-radiation-curable resin such as an ultraviolet-light- or electron-beam-curable resin. A non-colored layer which is substantially transparent and non-colored is formed in each lenticular lens on the base side thereof; and a colored layer is formed in each lenticular lens along the light-entering surface thereof. The colored layer has the function of enhancing the contrast of the incident-side single lenticular lens sheet. According to this lenticular lens sheet, it is possible to obtain enhanced contrast by preventing the reflection of extraneous light without lowering the intensity of imaging light so much, and to make the lenticular lens pitch extremely small.

REFERENCES:
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patent: 5885490 (1999-03-01), Kawaguchi et al.
patent: 5903399 (1999-05-01), Yamashita et al.
Patent Abstracts of Japan; vol. 016, No. 009 (P-1296); Jan. 10, 1992 & JP 03 230101 A (Matsushita Electron Corp); Oct. 14, 1991 *abstract*.
Patent Abstracts of Japan; vol. 016, No. 296 (P-1378); Jun. 30, 1992 & JP 04 078839 A (Dai Nippon Printing Co Ltd); March 12, 1992 *abstract*.
Patent Abstracts of Japan; vol. 096, No. 008; Aug. 30, 1996 & JP 08 090663 (Toppan Printing Co Ltd); Apr. 9, 1996 *abstract*.
Patent Abstracts of Japan; vol. 097, No. 004; Apr. 30, 1997 & JP 08 320407 A (Matsushita Electric Ind Co Ltd); Dec. 3, 1996 *abstract*.

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