Embodiments of an LED disclosed has an emitter layer shaped to a controlled depth or height relative to a substrate of the LED to maximize the light output of the LED and to achieve a desired intensity distribution. In some embodiments, the exit face of the LED may be selected to conserve radiance. In...http://www.google.fr/patents/US20090289263?utm_source=gb-gplus-shareBrevet US20090289263 - System and Method for Emitter Layer Shaping
Numéro de demande: 12/367,343 Numéro de publication: US 2009/0289263 A1 Date de dépôt: 6 févr. 2009 Brevet délivré: US7829358 ( Date de délivrance 9 nov. 2010)
