Patent ID: 9651222
Date: 2017-05-16
CPC Classifications: F21S,F21V,F21W,F21Y

Claim:
1. An illumination device comprising: a plurality of light sources generating light; and a plurality of optical light mixing rods configured to collect said generated light and to convert said collected light into a plurality of light beams, wherein said light beams propagate along an optical axis; wherein said light sources are arranged in a first group of light sources and in a second group of light sources, wherein said first group of light sources emit light having a different spectral distribution than light emitted by said second group of light sources, and wherein said plurality of light sources and said optical light mixing rods can be positioned in a plurality of mixing positions by moving said optical light mixing rods in relation to said plurality of light sources; and in said plurality of mixing positions, said optical light mixing rods are configured to mix at least a part of said light emitted by said first group of light sources with at least a part of said light emitted by said second group of light sources to generate a plurality of mixed light beams.