LIGHT EMITTING DIODE BASED ON MULTIPLE DOUBLE-HETEROSTRUCTURES (QUANTUM WELLS) WITH RARE EARTH DOPED

文件类型：PDF文档
文件大小：176K
A light-emitting diode having a light-emitting surface is described. The light-emitting diode comprises a series of quantum well layers wherein one or more of the quantum well layers is doped with one or more activator ions that emit light and the quantum well layers are arranged in a sequence whereby the light emission from a lower quantum well layer is not significantly absorbed by quantum well layers between the lower quantum well layer and the light-emitting surface.