| http://www.w3.org/ns/prov#value | - FIELD OF THE INVENTIONThe present invention relates to the field of general illumination, and more specifically, to illumination devices that use light sources as for example light emitting diodes (LEDs) or semiconductor lasers.BACKGROUNDSolid state light sources are not yet frequently used for general illumination due to limitations in operating temperature, color rendering performance, color con
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