Title :
Theoretical modeling of subwavelength structure integrated LEDs for enhanced extraction efficiency and uniform field distribution
Author :
G. J. Lee;J. H. Lee;Y. M. Song
Author_Institution :
Department of Electronics Engineering, Pusan National University, 2 Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea
Abstract :
In this work, we show on theoretical modeling of light-emitting didoes (LEDs) with antireflective subwavelength structures (SWSs) for enhanced light extraction efficiency and uniform field distribution. Theoretical analysis and geometrical optimization of SWSs are described based on rigorous coupled-wave analysis (RCWA) and finite-difference time domain (FDTD) methods. The results show the effect of period of SWSs on the extraction efficiency and field distribution.
Keywords :
"Light emitting diodes","Finite difference methods","Fresnel reflection","Time-domain analysis","Refractive index","Substrates","Reflectivity"
Conference_Titel :
Numerical Simulation of Optoelectronic Devices (NUSOD), 2015 International Conference on
Print_ISBN :
978-1-4799-8378-0
DOI :
10.1109/NUSOD.2015.7292809
