After a brief introduction to the excitation of semiconductor luminescence diode , the light - emitting machenisms of various new luminescence materials , including - and - semiconductor compounds and ps , the structures of different luminescence diodes , and their properties were discussed , and the application of semiconductor luminescence diode in modern science was presented 在簡介半導體發(fā)光二極管的輻射復合基礎上,詳細討論了包括?族、 ?族化合物半導體材料和多孔硅( ps )等新發(fā)光材料在內(nèi)的各種發(fā)光材料的發(fā)光機理、發(fā)光二極管的結構與特性.并介紹了半導體發(fā)光二極管在近代科學中的應用