Patent ID: 8789995

Claim:
An illumination system comprising: a first light source; and a light guide including: a first surface; a second surface opposite the first surface; a first light-input edge for receiving light from the first light source, the first light-input edge extending transverse to and between the first and second surfaces; a view region of the first and second surfaces; and a ledge region of the first and second surfaces, the ledge region including the area between the first light-input edge and the view region, wherein at least one of the first surface and the second surface within the ledge region is coated with an at least partially non-transmissive layer in the ledge region, wherein the at least partially non-transmissive layer includes a plurality of microstructures, wherein the microstructures are configured to turn incident light from the first light source such that the angle of the turned light with respect to the first surface is smaller than the angle of incidence of the light with respect to the first surface.