CONFERENCE PROCEEDINGS
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Dr. Ta-Cheng Hsu
Researcher at Epistar Corp
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 27 April 2015 Paper
InGaN LEDs prepared on beta-Ga2O3 (-201) substrates
Kazuyuki Iizuka, Yoshikatsu Morishima, Akito Kuramata, Yu-Jiun Shen, Chang-Yu Tsai, Ying-Yong Su, Gavin Liu, Ta-Cheng Hsu, J. H. Yeh
Proceedings Volume 9363, 93631Z (2015) https://doi.org/10.1117/12.2076114
KEYWORDS: Gallium nitride, Light emitting diodes, Crystals, Metalorganic chemical vapor deposition, Indium gallium nitride, Sapphire, Metals, Optical lithography, Interfaces, Chemical mechanical planarization
Proceedings Article | 4 March 2013 Paper
High efficient InGaN blue light emitting diode with embedded nanoporous structure
Wei-Chih Peng, Shih-Pang Chang, Ta-Cheng Hsu
Proceedings Volume 8625, 86250S (2013) https://doi.org/10.1117/12.2002325
KEYWORDS: Light emitting diodes, Gallium nitride, Blue light emitting diodes, Semiconducting wafers, Indium gallium nitride, Sapphire, Mirrors, Patterned sapphire substrate, General lighting, Etching
Proceedings Article | 10 February 2012 Paper
The impact of active layer design on quantum efficiency of InGaN light emitting diodes
Proceedings Volume 8262, 82621G (2012) https://doi.org/10.1117/12.903931
KEYWORDS: Light emitting diodes, External quantum efficiency, Indium gallium nitride, Quantum efficiency, Quantum wells, Lithium, Gallium, Electroluminescence, Gallium nitride, Nickel
Proceedings Article | 6 February 2012 Paper
Low efficiency droop of InGaN/GaN blue LEDs with super-lattice active structure
Shih-Pang Chang, Kuok-Pan Sou, Jet-Rung Chang, Yuh-Jen Cheng, Yuh-Jing Li, Yi-Chen Chen, Hao-Chung Kuo, Ken-Yuh Hsu, Chun-Yen Chang
Proceedings Volume 8278, 82781A (2012) https://doi.org/10.1117/12.908121
KEYWORDS: Gallium nitride, Light emitting diodes, Superlattices, Quantum efficiency, Blue light emitting diodes, Stereolithography, Atomic force microscopy, Quantum wells, Luminescence, Crystals
Proceedings Article | 23 February 2009 Paper
Improvement in light extraction efficiency of high brightness InGaN-based light emitting diodes
Tzer-Perng Chen, Ta-Cheng Hsu, Chuan-yu Luo, Ming-Chi Hsu, Tsung-Xian Lee
Proceedings Volume 7216, 72161T (2009) https://doi.org/10.1117/12.808458
KEYWORDS: Light emitting diodes, Monte Carlo methods, Sapphire, Internal quantum efficiency, Zinc oxide, Patterned sapphire substrate, Photons, Reflection, Quantum efficiency, Nanorods
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