Patent ID: 8801233

Claim:
An optical arrangement for a solid-state lighting system, the optical arrangement comprising: an optical element comprising an exit surface, the exit surface comprising a first lens and a second lens where the first lens is spaced from the second lens on the exit surface by a second type of exit surface, the first lens having a first faceted surface defining a plurality of first facets and the second lens having a second faceted surface defining a plurality of second facets; and a first LED light source comprising a first plurality of LED chips and a second LED light source comprising a second plurality of LED chips, the first plurality of LED chips arranged relative to the first lens such that the plurality of first facets are rotationally asymmetrical relative to the first plurality of LED chips such that light from the first plurality of LED chips is mixed by the first faceted surface and the second plurality of LED chips arranged relative to the second lens such that the plurality of second facets are rotationally asymmetrical relative to the second plurality of LED chips such that light from the second plurality of LED chips is mixed by the second faceted surface.