【摘要】 本文简要叙述了发光二极管的发展历史及其自身的特点，着重介绍了发光二极管的生产工艺，所使用的材料与发光特性的关系，以及发光二极管在各个领域的应用。更多还原

【Abstract】 In this peper,the development history and the characteristic itself about Light Emit-ting Diode(LED)are related in brief.The technology of LED,the retation between the materialand the lighting property,and the application in some fileds are stated emphatically.更多还原