Luminant sign

Details Luminant sign Luminant sign

1997-02-04

1998-12-01

Green, Brian K.

Card, picture, or sign exhibiting

Illuminated sign

Edge illuminated

40812, G09F 1318

Patent

active

058422978

ABSTRACT:
A luminant sign comprises a base including a pair of opposed casings and a image plate made of transparent acrylic resin and engaged with the base. The base has a circuit board with a plurality of illuminators disposed therein. A front face and a rear face of the image plate have a number of display areas defined thereon by peripheral grooves of pictures or words. Each display area has a plurality of reflective surfaces formed therein in directions non-parallel to the beam directions of the illuminators. With this arrangement, each display area of the image plate will achieve a uniform intensity.

REFERENCES:
patent: 3399476 (1968-09-01), Davis
patent: 3605303 (1971-09-01), Reichow
patent: 3748769 (1973-07-01), Nolles
patent: 4697365 (1987-10-01), Moosbrugger et al.
patent: 5215285 (1993-06-01), Lewis
patent: 5433024 (1995-07-01), Lerner
patent: 5640792 (1997-06-01), Smith et al.

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