Patent ID: 7559676
Filing Date: 2009-07-14
Classification: F21V

Abstract:
1. A light source module ( 2 ) comprising a light source ( 4 ), said light source is connected through a light source base ( 6 ), said light source module ( 2 ) comprises cooling means ( 8 ) for cooling the light source base ( 6 ), said light source module ( 2 ) further comprises a dichroic reflector ( 10 ), where at least one heat sink ( 12 ) surrounds the dichroic reflector ( 10 ), wherein the light source module ( 2 ) comprises at least a first heat sink ( 12 ), said first heat sink ( 12 ) comprises a number of dishes ( 14 ), said dishes ( 14 ) are formed to achieve air gaps ( 16 ) there between, said dishes ( 14 ) comprise at least one opening for the dichroic reflector ( 10 ), said dishes ( 14 ) are placed radially surrounding the dichroic reflector ( 10 ), said air gaps ( 16 ) between the dishes ( 14 ) are directed substantially perpendicularly to a centre axis ( 18 ) of the light source module ( 2 ), where the light source module comprises a further air gap ( 20 ) between the dichroic reflector ( 10 ) and the dishes of the heat sink ( 12 ) where the said air gap ( 20 ) between the dichroic reflector ( 10 ) and the dishes of the heat sink ( 12 ) is open towards the air gaps ( 16 ) between the dishes ( 14 ).