Patent ID: 7703970
Filing Date: 2010-04-27
Classification: G02B,G02F

Abstract:
1. An illuminating display including: a transparent substrate in the form of a sheet or slab having an upper face, a lower face and a plurality of edge faces; the plurality of edge faces provided with an internally reflective mirror coating; at least one light source associated with the substrate, causing a narrow beam of light rays to emanate into said substrate, said narrow beam being produced at between 5 and 45 degrees of dispersion; a plurality of reflective surfaces extending from at least one of said edge faces and arranged internally of said substrate to operatively internally reflect light rays from said at least one light source within the substrate, wherein each reflective surface is formed by an air-gap; and at least one of the upper face and the lower face having light capturing material in contact therewith for directing internally reflected light outwardly of the substrate.