A device and method for emitting output light utilizes multiple light sources to produce original light having different peak wavelengths. A first light source of the device is configured to generate first light having a peak wavelength in the blue wavelength range, while a second light source of the...http://www.google.de/patents/US20070018558?utm_source=gb-gplus-sharePatent US20070018558 - Device and method for emitting output light using multiple light sources with photoluminescent material
