Erratum to: Simulation of InGaN/GaN light-emitting diodes with patterned sapphire substrate
Optical and Quantum Electronics(2014)
摘要
Blue InGaN/GaN multiple quantum well (MQW) light-emitting diodes (LEDs) with patterned sapphire substrate (PSS) are simulated by the APSYS software. Approach of combining finite-difference time-domain (FDTD) method and raytracing technique is applied to perform light extraction. The simulation results show that PSS dramatically increases extraction efficiency of light power, in agreement with experiment. It is found that extraction efficiency can be maximized by changing the shape of PSS. This work presents a new approach to combine electrical simulation with FDTD and raytracing in 3D TCAD simulation of GaN-LED.
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关键词
LED,Patterned sapphire substrate,PSS,Ray tracing,FDTD,TCAD,3D,Numerical simulation,Apsys
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