The invention is a light emitting diode that exhibits high reflectivity to incident light and high extraction efficiency for internally generated light. The light emitting diode includes a reflecting layer that reflects both the incident light and the internally generated light. A multi-layer semiconductor...http://www.google.fr/patents/US20060071225?utm_source=gb-gplus-shareBrevet US20060071225 - Light emitting diodes exhibiting both high reflectivity and high light extraction
Light emitting diodes exhibiting both high reflectivity and high light ...
Numéro de demande: 10/952,112 Numéro de publication: US 2006/0071225 A1 Date de dépôt: 28 sept. 2004 Brevet délivré: US7352006 ( Date de délivrance 1 avr. 2008)
