Luminescent display device and method of making the same

Details Luminescent display device and method of making the same Luminescent display device and method of making the same

1991-05-22

1993-10-05

Apley, Richard J.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Chalkboard or equivalent means having easily erasable surface

434425, B43L 112

Patent

active

052499693

ABSTRACT:
A luminescent writing or display device and method of manufacturing the same which includes a transparent vinyl sheet containing a fluorescent or neon dye and an opaque sheet made from coated paperboard stock. An acrylic resin varnish is provided on a portion of the paperboard stock for forming a contact surface with the vinyl on which an image may be created by applying pressure thereto. The image is readily erased by separating the sheets. Another portion of the paperboard stock receives printing inks for providing a permanent ink display on a header portion of the device. The device may be manufactured in a continuous process at a reduced cost.

REFERENCES:
patent: 2697884 (1954-12-01), Dechert
patent: 2818662 (1958-01-01), Payne et al.
patent: 3761343 (1973-09-01), Kinberg
patent: 4011665 (1977-03-01), Port
patent: 4051609 (1977-10-01), Boursaw
patent: 4927748 (1990-05-01), Kinberg
patent: 4988301 (1991-01-01), Kinberg
patent: 5098502 (1992-03-01), Smolinski

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