The Effect of Sapphire Substrates on Omni-Directional Reflector Design for Flip-Chip Near-Ultraviolet Light-Emitting Diodes

The Effect of Sapphire Substrates on Omni-Directional Reflector Design for Flip-Chip Near-Ultraviolet Light-Emitting Diodes

In this paper, we investigate the effect of omni-directional reflectors (ODRs) on the light extraction efficiency (LEE) for flip-chip near-ultraviolet light-emitting diodes (LEDs) on patterned (PSS) and flat sapphire substrate (FSS) using three-dimensional finite-difference time-domain method. Diffe...

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Bibliographic Details
Main Authors: Yonghui Zhang, Ji Zhang, Yuxin Zheng, Ce Sun, Kangkai Tian, Chunshang Chu, Zi-Hui Zhang, Jay Guoxu Liu, Wengang Bi
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Photonics Journal
Subjects:
Light-emitting diodes
omni-directional reflector
light extraction efficiency.
Online Access:https://ieeexplore.ieee.org/document/8598650/
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