Card – picture – or sign exhibiting – Illuminated sign – Luminescent
Patent
1995-02-02
1996-09-24
Green, Brian K.
Card, picture, or sign exhibiting
Illuminated sign
Luminescent
40605, 362 34, 362812, G09F 1320
Patent
active
055578691
ABSTRACT:
An artistic display device includes a shell having a substantially flat front wall through which an optical image is to be transmitted and a rear wall disposed substantially parallel to the front wall. A body of liquid-absorbing material essentially in the shape of a flat layer. The front and rear walls of the shell have perimetrical portions that are positioned close together in a parallel relationship with the flat body of liquid-absorbing material having a perimetrical portion that is disposed between and supported by the perimetrical portions of the walls. The rear wall being also rearwardly recessed to form a compartment. At least one set of frangible vials housed in the compartment containing respectively separate liquids which vials may be broken so as to mix the liquids to provide a chemiluminescent light-generating mixture that will then saturate the liquid-absorbing body and the liquid-absorbing body then continuing to be supported from its perimetrical portion in substantially its original flat configuration. A flat light control member disposed between the flat layer of liquid-absorbing material and the front wall of the shell for modifying light that is then generated from the liquid-absorbing material and transmitted through the front wall.
REFERENCES:
patent: 2624141 (1953-01-01), Martin
patent: 3587185 (1971-06-01), Deal
patent: 4064428 (1977-12-01), Van Zandt
patent: 4379320 (1983-04-01), Mohan et al.
patent: 4635166 (1987-01-01), Cameron
patent: 4814949 (1989-03-01), Elliott
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