Light-emitting devices, and related components, systems and methods are disclosed. A light-emitting device can include a multi-layer stack of materials including a light-generating region and a first layer supported by the light-generating region. During use of the light-emitting device, light generated...http://www.google.fr/patents/US7521854?utm_source=gb-gplus-shareBrevet US7521854 - Patterned light emitting devices and extraction efficiencies related to the same
Patterned light emitting devices and extraction efficiencies related to the same