A phosphor that emits white light due to excitation by a light emitting diode capable of emitting blue or ultraviolet light includes: a substrate that allows transmission of visible light; and a semiconductor layer formed on the substrate. ...http://www.google.fr/patents/US20050051790?utm_source=gb-gplus-shareBrevet US20050051790 - Phosphor, semiconductor light emitting device, and fabrication method thereof
Phosphor, semiconductor light emitting device, and fabrication method thereof
Numéro de demande: 10/860,394 Numéro de publication: US 2005/0051790 A1 Date de dépôt: 4 juin 2004 Brevet délivré: US7268370 ( Date de délivrance 11 sept. 2007)
