本文扼要介绍绿色发光二极管的作用及其基本原理。报导制管所需要的外延生长结材料的选取依据,制备绿色发光二极管的主要工艺要求与步骤,制成的绿色发光二极管的光学特性和电学特性。 测量结果是:死区电压为1.9～2.0伏,反向耐压在漏电流为50微安下均大于5伏,工作电流30毫安下,其压降小于2伏;发光光谱峰 This article briefly describes the role of green light-emitting diodes and its basic principles. Report the selection of the epitaxial growth junction material needed for the fabrication of the tube, the main process requirements and steps for preparing the green light-emitting diode, and the optical and electrical properties of the green light-emitting diode. The measurement results are as follows: the dead voltage is 1.9-2.0 volts, the reverse withstand voltage is greater than 5 volts when the leakage current is 50 microamps, and the voltage drop is less than 2 volts when the working current is 30 milliamperes. The emission peak