Patent ID: 9274270
Filing Date: 2016-03-01
CPC Classification: F21K,F21S,F21V,F21W,F21Y,G02B

Claim Text:
1. A light-output device controllable to provide different light-output functions, comprising: a light-source arrangement configured to emit light; and a light-guiding system arranged to receive said light and configured to guide said light to at least one light-output surface of the light-guiding system, wherein: said light-guiding system comprises at least a first light-guide and a second light-guide; and said light-guiding system is movable relative to said light-source arrangement between at least a first position where light output by said light-source arrangement is guided by said first light-guide to provide a first light-output function, and a second position where light output by said light-source arrangement is guided by said second light-guide to provide a second light-output function, different from the first light-output function, and said light-guiding system further comprising at least a first light-mixing chamber for providing light from said light-source arrangement to said first light-guide and a second light-mixing chamber for providing light from said light-source arrangement to said second light-guide.