Light-emitting devices, and related components, systems and methods are disclosed. The light-emitting device can include a multi-layer stack of materials and a support. The multi-layer stack of materials can include a light-generating region and a first layer supported by the light-generating. Thee light-generating...http://www.google.fr/patents/US7098589?utm_source=gb-gplus-shareBrevet US7098589 - Light emitting devices with high light collimation
Light emitting devices with high light collimation
