Patent ID: 9082326
Filing Date: 2015-07-14
Classification: G09F

Abstract:
1. A self illuminated front lit sign having a viewer side facing a viewer for providing content to the viewer and a non-viewer side opposite the viewer side, comprising: a diffuser for providing diffusion in at least one direction; a turning film on the diffuser on the non-viewer side and having a first structured surface for redirecting light and a second surface opposite the first surface, wherein the first structured surface faces the diffuser and the viewer side; and a reflector on the second surface of the turning film on the non-viewer side, wherein the reflector reflects a substantial amount of visible light from the viewer side incident upon the reflector, wherein the turning film directs light via the first structured surface from in front of the sign on the viewer side toward the viewer of the sign in order to passively illuminate the sign, wherein a shape of the sign from the viewer's perspective on the viewer side provides content to be conveyed to the viewer.