Patent ID: 7642707
Filing Date: 2010-01-05
Classification: H01L

Abstract:
1. A light source to emit a mixture of primary and secondary light comprising an electroluminescent device like a light emitting diode LED or a laser to emit the primary light, a light conversion element ( 3 ) to convert the primary light into the secondary light, wherein a first part of the primary light is emitted along a light path with a first conversion factor ( 11 ) for the primary light and a second part of the primary light is emitted along a light path with a second conversion factor ( 12 ) for the primary light larger than the first conversion factor, wherein the first part of the primary light is coupled into at least one first area ( 4 ) of the conversion element ( 3 ) and the second part of the primary light is coupled into at least a second area of the conversion element ( 3 ), and wherein the conversion element ( the first area (