A lighting device, comprising a first group of solid state light emitters and a first group of lumiphors, wherein at least some of the first group of solid state light emitters are contained in a first group of packages, each of which also comprises at least one of the first group of lumiphors. If all...http://www.google.fr/patents/US7997745?utm_source=gb-gplus-shareBrevet US7997745 - Lighting device and lighting method
