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Tzu Chien Hung
at Advanced Optoelectronic Technology Inc
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Publications (2)
Proceedings Article | 6 February 2012 Paper
Investigation of efficiency droop for UV LED with N-type AlGaN layer
Po-Min Tu, Jet-Rung Chang, Shih-Cheng Huang, Shun-Kuei Yang, Ya-wen Lin, Tzu-Chien Hung, Chih-Peng Hsu, Chun-Yen Chang
Proceedings Volume 8278, 82781B (2012) https://doi.org/10.1117/12.908266
KEYWORDS: Light emitting diodes, Ultraviolet light emitting diodes, Gallium nitride, Atomic force microscopy, Crystals, External quantum efficiency, Absorption, Quantum efficiency, Sapphire, Aluminum
Proceedings Article | 6 February 2012 Paper
Power enhancement of 380 nm UV-LED with hexagonal pyramid structures by AlN sacrificial layer
Tzu-Chien Hung, Po-Min Tu, Shih-Cheng Huang, Chia-Hui Shen, Chih-Peng Hsu
Proceedings Volume 8278, 82780S (2012) https://doi.org/10.1117/12.908330
KEYWORDS: Light emitting diodes, Aluminum nitride, Scanning electron microscopy, Electroluminescence, Gallium nitride, Wet etching, Etching, Near ultraviolet, Silica, Electron microscopes
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