一种交流发光二极管的电路设计方法  

A Circuit Design Method for Alternating Current Light-Emitting Diode

作　　者：李浩[1] 张环月[2] 张竞辉[1] 曹帆[1] 邹念育[1] 高英明[1] 

机构地区：[1]大连工业大学光子学研究所,辽宁大连116034 [2]大连理工大学材料科学与工程学院,辽宁大连116024

出　　处：《光学学报》2015年第A01期223-229,共7页Acta Optica Sinica

基　　金：辽宁省普通高等教育本科重点支持专业建设项目“光源与照明”（[2012]108）、辽宁省普通高等教育本科教学改革立项项目“设计服务类紧缺人才培养模式创新研究与实践”（UPRP20140139）

摘　　要：交流发光二极管（ACLED）电流交变的特性使其不能如直流发光二极管（DCLED）那样简单地由电功率与发光效率的乘积得到光通量。根据交流电有效电流和LED的光电特性引入了ACLED等价光效的概念，由ACLED的应用电路分别建立了等价光效、LED串联颗数与ACLED光通量和发光效率之间的关系，分析了ACLED光通量与光效曲线特点。由此提出了一种按照给定光通量设计ACLED的方法，该方法通过ACLED的晶粒串联数量与等价光效得到理论光通量，实验表明理论值小于实验值，两者最大相差15lm。Alternating current passing through alternating current light-emitting diode （AC LED） makes it not reasonable to decide luminous flux of AC LED by simply multiplying electric power and luminous efficiency. Based on alternating current effective current and light-emitting diode photoelectric characteristics, concept of AC LED equivalent luminous efficiency is introduced, and equations concerning luminous flux and luminous efficiency on equivalent luminous efficiency and the number LEDs-connected in series are established separately, then character of actual luminous flux and luminous efficiency curve are discussed according to given luminous flux value by experiment, the biggest Through the method theoretical difference is calculated. A method used to design AC LED is proposed, AC LED luminous flux, proved less than actual

关 键 词：光电子学 交流发光二极管 电路设计 光通量 发光效率 

分 类 号：TN312.8[电子电信—物理电子学]