| 20090038189 | Selective backlight - A composition relating to the field of signage, comprising of one or more layers of panel and sections therein, which are stacked uniformly with various inclusions or exclusions on, in or adjacent to the panels and with a light source placed parallel to an edge of each panel. When illuminated, there is a light effect of animation visible on the front surface of the sign which is created by the inclusions and articles within the composition and varying the illumination of the light source. | 02-12-2009 |
