Method for fabricating a backlit illumination display film and a

Details Method for fabricating a backlit illumination display film and a Method for fabricating a backlit illumination display film and a

1996-04-15

1997-11-04

Schilling, Richard L.

Bleaching and dyeing; fluid treatment and chemical modification

Diffusion transfer dyeing process, transfer sheet and product

Dry heat treatment for penetration

8506, 8513, 430201, 503227, D06P 500, G03C 810

Patent

active

056834756

ABSTRACT:
Disclosed is a method for forming an imaged film for backlit illumination includes the steps of: providing a translucent film comprising a resin such as one selected from the group consisting of olefin resins, vinyl alcohol resins and fluorine-containing resins which resin has no affinity with a sublimating dye and a white pigment dispersed in the resin; contacting on the translucent film an original imagewise formed from a recording material containing the sublimating dye; and heating the original to allow the dye to be trapped in the film. Also, disclosed is a translucent film for use in preparing such an imaged film for backlit illumination. The use of the method and the translucent film allows fabrication of an imaged film for backlit illumination having a light resistant, high density image in cooperation with a computer-aided image editing system.

REFERENCES:
patent: 4965240 (1990-10-01), Imoto
patent: 5061678 (1991-10-01), Jongewaard et al.
patent: 5106818 (1992-04-01), Ashida
patent: 5364412 (1994-11-01), Furukawa

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