Patent ID: 8134132

Claim:
An illumination device for curing a photosensitive composition comprising an optical light concentrator which is substantially transparent to light in the ultraviolet and/or visible region of the electromagnetic spectrum, said light concentrator comprising a rod and having a length and a width; said light concentrator having a light input region along its length, and a light output region along its length at a location spaced from the light input region; a plurality of light guides, each light guide having a light input end and a light output end; a plurality of light emitting diodes, one light emitting diode in juxtaposition with a light input end of one of the light guides and capable of emitting light into the light input end of the light guide to which it is juxtaposed; the light output end of each of said light guides abutting the light concentrator along its length at the light input region.