Display system

Details Display system Display system

1997-02-27

1999-06-22

Green, Brian K.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

362 24, 362 28, 200313, G09F 1304

Patent

active

059136170

ABSTRACT:
A display system includes a light source which is disposed within a housing and a display panel. The display panel includes inner and outer layers. Both the inner and the outer layer contain a light absorbing pigment and a light scattering particulate. The outer layer of the panel contains a greater quantity of pigment than the inner layer. The inner layer of the panel contains a greater quantity of light scattering particulate than the outer layer. The inner and outer layers of the panel having the same optical density. If desired, indicia may be provided between the inner and outer layers of the display panel. In order to increase the viewing angle at which the indicia is visible to an observer, the indicia is formed with sloping minor side surfaces which flare outward from the inner panel toward the outer panel.

REFERENCES:
patent: 3511560 (1970-05-01), Hamilton
patent: 4535396 (1985-08-01), Guthrie
patent: 4712163 (1987-12-01), Oxley
patent: 5295050 (1994-03-01), Helstern et al.
patent: 5544019 (1996-08-01), Tatavoosian et al.

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