Display units
First Claim
1. A display unit comprising a light box containing a source of illumination, one surface of said light box comprising a sheet of material which in use will transmit light from the interior of the light box outwardly, indicia bearing means including masked areas and areas selected from translucent and transparent areas mounted within the light box between the source of illumination and said sheet, and a plurality of layers of refracting light transmitting material with parallel sides interposed between said sheet of material and said indicia bearing means, the construction and arrangement being such that on the light source being illuminated said indicia will be displayed through said layers of refracting material and said sheet of material in a manner such that the indicia are displayed with a surrounding penumbra of light which gives a three dimensional effect to the display of said indicia.
0 Assignments
0 Petitions
Accused Products
Abstract
A display unit has a light source, an indicia bearing diffusion sheet or transparent having masked, transparent and translucent areas and a series of refractive layers are placed over the diffusion sheet. On the light being lit, and the light rays passed outwardly through the transparent or translucent areas and through the refractive layers, the indicia are each surrounded with a penumbra of light which gives a three dimensional effect to the display of the indicia.
27 Citations
5 Claims
- 1. A display unit comprising a light box containing a source of illumination, one surface of said light box comprising a sheet of material which in use will transmit light from the interior of the light box outwardly, indicia bearing means including masked areas and areas selected from translucent and transparent areas mounted within the light box between the source of illumination and said sheet, and a plurality of layers of refracting light transmitting material with parallel sides interposed between said sheet of material and said indicia bearing means, the construction and arrangement being such that on the light source being illuminated said indicia will be displayed through said layers of refracting material and said sheet of material in a manner such that the indicia are displayed with a surrounding penumbra of light which gives a three dimensional effect to the display of said indicia.
Specification