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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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Author: search.filters.author.Horng, Ray-HuaSubject: search.filters.subject.InGaN

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    Process Integration and Interconnection Design of Passive-Matrix LED Micro-Displays With 256 Pixel-Per-Inch Resolution
    (2020-01-01)
    Yuan, Shuo-Huang
    ;
    Yan, Shih-Siang
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    Yao, Yu-Shiuan
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    Wu, Chung-Cheng
    ;
    Horng, Ray-Hua
    A 0.28-inch InGaN-based blue micro-LED display with 256 pixel-per-inch resolution and a pitch of $100 mu m was successfully fabricated in this study. A thick Ti/Al/Ti/Au interconnection metal was deposited on the n-type gallium nitride (n-GaN) region to reduce the interconnection resistance. The micro-LED array with interconnection metal exhibits better electrical property consistency as compared with that of the traditional one. The output power, forward voltage, and external quantum efficiency of micro-LED, which measured under 1-mA current injection with the full lighting mode, are 0.8 mW, 3.0 V, and 10%, respectively. This technique has the potential to integrate InGaN-based LEDs with quantum dots for full-color applications.
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    Efficiency Enhancement in InGaN Photovoltaic Cells With Inverted Textured Surface
    (2017-08-15)
    Wu, Ming-Hsien
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    Horng, Ray-Hua
    ;
    Liao, Wen-Yih
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    Chang, Sheng-Po
    ;
    Chang, Shoou-Jinn
    We report on the improvement of conversion efficiency of InGaN photovoltaic (PV) cells with inverted textured surface (ITS). InGaN PV cells with ITS showed short-circuit current density and conversion efficiency of 0.63 mA/cm(2) and 1.01%, which are 68.17% and 73.33% higher than the characteristics of conventional InGaN PV cells, respectively. The improvement can be attributed to the reduction of both the shading effect of the electrode contact pad and surface reflection of the incident irradiation under one-sun air-mass 1.5-G illumination (100 mW/cm(2)).
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    High-Performance InGaN-Based Green Resonant-Cavity Light-Emitting Diodes for Plastic Optical Fiber Applications
    (2009-09-15)
    Huang, Shih-Yung
    ;
    Horng, Ray-Hua
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    Shi, Jin-Wei
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    Kuo, Hao-Chung
    ;
    Wuu, Dong-Sing
    High-performance InGaN-based green resonant-cavity light-emitting diodes (RCLEDs) with a plating Cu substrate for plastic optical fiber communication applications are reported. Good stability of emission wavelength was obtained at 0.016 nm/mA. The RCLEDs presents low temperature dependence, showing only a 3% drop in light output power as the temperature increasing from 25 to 85 degrees C. The superior performance can be attributed to the decreased dynamic series resistance and the enhanced thermal dissipation of the heat sink substrate.