A broad bandwidth light source including: a solid state light emitting device that generates short wavelength light; and quantum dot material and phosphor material that are each irradiated by some of the short wavelength light. The short wavelength light has a spectrum with a first peak wavelength shorter...http://www.google.ca/patents/US7750359?utm_source=gb-gplus-sharePatent US7750359 - Package design for producing white light with short-wavelength LEDS and down-conversion materials