High light extraction efficiency of gallium nitride light emitting diode with silicon oxide hemispherical microlens

2008 ◽  
Vol 92 (6) ◽  
pp. 061103 ◽  
Author(s):  
M. K. Lee ◽  
C. L. Ho ◽  
C. H. Fan
2014 ◽  
Vol 118 (27) ◽  
pp. 14894-14898 ◽  
Author(s):  
Qinghong Zheng ◽  
Dan Zhang ◽  
Jin Huang ◽  
Yonghao Wang ◽  
Feng Huang

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