Patent ID: 8998478
Filing Date: 2015-04-07
Classification: F21S,F21V,F21Y,G02B

Abstract:
1. A lighting assembly, comprising: a light guide having a first major surface, a second major surface opposite the first major surface, a light input edge, and an end edge distal the light input edge, wherein light input to the light guide through the light input edge propagates by total internal reflection toward the end edge; light extracting elements at at least one of the major surfaces of the light guide, the light extracting elements configured to extract light through the first major surface in a direction away from the light input edge and away from the first major surface; and a banding reduction element at the end edge configured to redirect light incident thereon to spread light output from the lighting assembly through the end edge in a direction away from the light input edge and to reduce a banding effect of the light output from the lighting assembly through the end edge wherein the light guide additionally comprises opposed side edges, each side edge extending between the major surfaces of the light guide and extending between the light input edge and the end edge, and the lighting assembly additionally comprises an additional banding reduction element at at least one of the side edges of the light guide.