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Carrier Dynamics and Photon Management for Improvement in Quantum Efficiencies of GaN-Based Visible Light-Emitting Diodes

机译:改善GaN基可见光发光二极管量子效率的载流子动力学和光子管理

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摘要

Data and analysis are presented employing several new methods to address carrier dynamics and photon management issues in order to improve internal quantum efficiency and light-extraction efficiency of GaN-based light-emitting diodes. For the carrier dynamics, studied are the effects of a newly-developed InAlN electron blocking layer and a p-InGaN:Mg layer on electron blocking and hole transport through multiple-quantum well active region. Also, a new technique of direct surface patterning is demonstrated using three-beam interference laser ablation for efficient photon management.
机译:提出了使用几种新方法解决载流子动力学和光子管理问题的数据和分析,以提高GaN基发光二极管的内部量子效率和光提取效率。对于载流子动力学,研究了新开发的InAlN电子阻挡层和p-InGaN:Mg层对电子阻挡和通过多量子阱有源区的空穴传输的影响。同样,使用三光束干涉激光烧蚀演示了一种直接表面图案化的新技术,可以有效地进行光子管理。

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    Department of Mechanical Engineering, Materials Engineering Program, and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204-4006, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Center for Compound Semiconductors and School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0250, USA;

    Department of Mechanical Engineering, Materials Engineering Program, and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204-4006, USA;

    Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215125, China;

    Division of Advanced Materials Engineering and Research Center of Advanced Materials Development (RCAMD), Chonbuk National University, Jeonju 561-756, Korea;

    Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA;

    Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA;

    Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA;

    Department of Photonic Engineering, Chosun University, Seosuk-dong, Gwangju 501-759, Korea;

    Woodruff school of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0405, USA;

    Woodruff school of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0405, USA;

    Woodruff school of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0405, USA;

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