首页 | 本学科首页   官方微博 | 高级检索  
     

GaN基LED能效的研究进展
引用本文:李梦梅,胡小玲,郭伟玲.GaN基LED能效的研究进展[J].照明工程学报,2020(1):8-15.
作者姓名:李梦梅  胡小玲  郭伟玲
作者单位:北京工业大学光电子技术教育部重点实验室
基金项目:国家自然科学基金(批准号:11674016)
摘    要:目前GaN已成为制作发光二极管(light emitting diode,LED)的主流材料,GaN基LED在照明和超越照明应用中占有不可替代的重要地位。随着LED外延和芯片技术的提升,LED的能效也得到了快速的提升。本文介绍了影响LED光源能效的因素;叙述了影响LED能效的内量子效率(internal quantum efficiency,IQE)和外量子效率(external quantum efficiency,EQE)的提升技术,阐述了GaN基LED能效的提升进程,最后对LED能效的未来发展进行了总结与展望。

关 键 词:GAN基发光二极管  能效  内量子效率  外量子效率

Research Progress on Energy Efficiency of GaN-based LEDs
LI Mengmei,HU Xiaoling,GUO Weiling.Research Progress on Energy Efficiency of GaN-based LEDs[J].China Illuminating Engineering Journal,2020(1):8-15.
Authors:LI Mengmei  HU Xiaoling  GUO Weiling
Affiliation:(Optoelectronics Technology Lab,Ministry of Education,Beijing University of Technology,Beijing 100020 China)
Abstract:At present,GaN has become the mainstream material for fabricating LEDs.GaN-based LED occupies an irreplaceable position in lighting and beyond lighting applications.This paper firstly introduces the factors that affect the energy efficiency of LED light sources.Secondly,The internal quantum efficiency and external quantum efficiency improvement technologies that affect the energy efficiency of LEDs are described separately.Next,the process of improving the energy efficiency of GaN-based LEDs is explained.Finally,the future development of LED energy efficiency is summarized and prospected.
Keywords:GaN-based light emitting diodes  energy efficiency  internal quantum efficiency  external quantum efficiency
本文献已被 CNKI 维普 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号