Light-emitting devices, and related components, systems and methods are disclosed. In some embodiments, the light-emitting devices include a multi-layer stack of materials. The stack of materials includes a light-generating region and a first layer supported by the light-generating region. The surface...http://www.google.fr/patents/US7915679?utm_source=gb-gplus-shareBrevet US7915679 - Light-emitting devices including a nonperiodic pattern
Light-emitting devices including a nonperiodic pattern
