Method of producing light control plate which induces scattering

Details Method of producing light control plate which induces scattering Method of producing light control plate which induces scattering

1990-04-10

1992-05-12

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Light scattering or refractive index image formation

430328, 430330, 430397, G03C 500

Patent

active

051127229

ABSTRACT:
A method of producing a light control plate which induces scattering of light at different angles of incidence for different places. The method comprises (1) preparing an assembly comprising a film of a photo-polymerizable composition and a light-pervious body having a light-impervious pattern arranged along the surface of the film, (2) irradiating light limitedly to the assembly from that side where the light-pervious body at a limited angle while moving the assembly continuously in the planar direction of the film thereby to polymerize at least part of the photopolymerizable film, the light being emitted from a first linear light source whose long axis is positioned in a direction crossing the moving direction of the assembly; and thereafter (3) polymerizing the photopolymerizable composition of that portion of the film-like molded article which is covered with the light-impervious pattern of the light-pervious body by light irradiation or heating.

REFERENCES:
patent: 4600667 (1986-07-01), Uchida
patent: 4777116 (1988-11-01), Kawatsuki et al.
patent: 4971895 (1990-11-01), Sullivan
Applied Optics, vol. 15. No. 2, Feb. 1, 1976, pp. 534-541; W. J. Thomlinson et al.: "Multicomponent photopolymer systems for volume phase holograms and grating devices", p. *534, right column, paragraph 2*, *p. 535, right column, paragraph 2*, *p. 537, right column, paragraph 3-p. 538, right column, paragraph 1; table 1*.
Japanese Journal of Applied Physics, vol. 25, No. 10, Oct. 1, 1986, K. Kodate et al.: "A blazed grating fabricated by synchrotron radiation lithography", *p. 822, left column, paragraph 2-p. 823, left column, line 2; figures*.

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