Light-emitting devices are disclosed that comprise a light source emitting first light, a first material substantially transparent to and located to receive at least a portion of the first light, and particles of a second material dispersed in the first material. The second material has an index of refraction...http://www.google.es/patents/US20030227249?utm_source=gb-gplus-sharePatente US20030227249 - Light-emitting devices utilizing nanoparticles
Número de solicitud: 10/165,571 Número de publicación: US 2003/0227249 A1 Fecha de presentación: 7 Jun 2002 Patente emitida: US6870311 ( Fecha de emisión 22 Mar 2005)
