Patent ID: 7883238

Claim:
Light-emitting device, comprising (i) at least a first light source for emitting light of a first light property and a second light source for emitting light of a second light property, said first light property being different from said second light property, (ii) a first collimating means for collimating light of said first light property, said first collimating means comprising: (a) at least a first receiving area, (b) at least a first output area being larger than said first receiving area, and (c) first sidewalls at least partly connecting said first receiving area to said first output area, at least part of said first sidewalls comprising a first filter for reflecting light of said first light property; (iii) a second collimating means for collimating light of said second light property, said second collimating means comprising: (a) at least a second receiving area, (b) at least a second output area being larger than said second receiving area, (c) second sidewalls at least partly connecting said second receiving area to said second output area, at least part of said second sidewalls comprising a second filter for reflecting light of said second light property; wherein said first output area and said second output area at least partly overlaps, and (iv) a light guiding means arranged between said light sources and said collimating means for guiding light from said first light source to said at least one first receiving area, and guiding light from said second light source to said at least one second receiving area.