高效率、高可靠性紫外LED封装技术研究

被引:19
作者
吴震 [1 ]
钱可元 [1 ]
韩彦军 [2 ]
罗毅 [1 ]
机构
[1] 清华大学深圳研究生院半导体照明实验室 
[2] 清华大学电子工程系,集成光电子国家重点实验室 
关键词
紫外LED; 环氧树脂; 硅树脂; 封装;
D O I
10.16136/j.joel.2007.01.001
中图分类号
TN312.8 [];
学科分类号
0803 ;
摘要
对硅胶和环氧树脂的紫外光透过率、耐紫外光辐照和耐热特性进行了对比研究,进而提出了一种高效率、高可靠性的波长小于380nm的紫外LED封装方案。实验结果表明,新封装结构的LED,发光功率提高了60%以上,是金属与玻璃透镜封装LED的2.7倍;连续工作800h后,发光功率衰减小于5%。
引用
收藏
页码:1 / 4
页数:4
相关论文
共 12 条
[1]  
Deep ultraviolet LEDs fabricated in AlInGaN using MEMOCVD. Khan M A. Proceedings of SPIE the International Society for Optical Engineering . 2004
[2]  
Japanese semiconductor lighting project based on ultraviolet LED and phosphor system. Tsunemasa Taguchi. Proceedings of SPIE the International Society for Optical Engineering . 2001
[3]  
Synthesis and application of deep ultraviolet op-tical quartz glass. WU Jin-dong. New Materials Industrial . 2003
[4]  
Comparison of epoxy resins for applications in light-emitting diodes. HUANG Jan-chan,CHU Ying-po,WEI Ming,et al. Advances in Polyolefins . 2004
[5]  
Fluorescence spectra of organic light transformfil ms. YANG Ai-ling,WANGJing,WANGJin,et al. Journal of Optoe-lectronics.Laser(光电子.激光) . 2005
[6]  
High power UV LEDarrayfor curing photo adhesives. Manfred Hubert,Chris Di mas,Paul Orava,et al. Proceedings of SPIE the International Society for Optical Engineering . 2003
[7]  
Study onlight ex-traction efficiency of GaN-basedlight-emitting diode chips. SHENWEI Tu-jin,HU Fei,HAN Yan-jun,et al. Journal of Optoelectronics.Laser(光电子.激光) . 2005
[8]  
Organosilicon Synthesis Techn-olog and Product Application. XING Song-min,WANG Yi-lu. . 2000
[9]  
Application of deep UV LEDs to chemical and biological sensing. Dasgupta P K,LI Qing-yang,Temkin H,et al. Proceedings of SPIE the International Society for Optical Engineering . 2004
[10]  
Development of a newlow-stress hyper red LED encapsulant. Renso J MZ,Hendrik J L B,Berry O,et al. IEEE Transac-tions on Components,Hybrids and Manufacturing Technology . 1989