**Patents**

**Patents**

**K. H. Loo**, Y. M. Lai, C. K. Tse, “Drive Method and System for LED Display Panel,” US Patent 10,043,492 B2, granted 7 August 2018**K. H. Loo**, W. K. Lun, Y. M. Lai, S. C. Tan, C. K. Tse, “A Driving Method for Improving Luminous Efficacy of a Light-Emitting Diode,” US Patent 8,093,821 B2, granted 10 January 2012**盧家航**、黎沃銘、謝智剛、【LED顯示面板的驅動方法及系統】、中華人民共和國國家知識產權局、專利號：ZL 2013 1 0111015.0、專利授權日：2017年3月1日

**Journal Publications**

**Journal Publications**

- C. S. Wong, M. C. Wong, L. Cao,
**K. H. Loo**, “Design of High-Efficiency Inductive Charging System with Load-independent Output Voltage and Current Tolerant of Varying Coupling Condition,”*IEEE Transactions on Power Electronics*(early access) - M. Ali, M. Yaqoob, L. Cao,
**K. H. Loo**, “Enhancement of DC-Bus Voltage Regulation in Cascaded Converter System by a New Sensorless Load Current Feedforward Control Scheme,”*IET Power Electronics*, vol. 14, no. 8, pp. 1457–1467, 2021 - Akif Zia Khan, Y. P. Chan, M. Yaqoob,
**K. H. Loo**, P. Davari, F. Blaabjerg, “A Multi-Structure, Multi-Mode Three-Phase Dual-Active-Bridge Converter Targeting Wide-Range High-Efficiency Performance,”*IEEE Transactions on Power Electronics*, vol. 36, no. 3, pp. 3078–3098, 2021 - C. S. Wong, Y. P. Chan, L. Cao, L. Wang,
**K. H. Loo**, M. C. Wong, “A Single-Stage Dynamically-Compensated IPT Converter with Unity-Power-Factor and Constant-Output-Voltage under Varying Coupling Condition,”, vol. 35, no. 10, pp. 10121–10136, 2020*IEEE Transactions on Power Electronics* - Y. P. Chan, C. S. Wong,
**K. H. Loo**, “Dual-Mode Modulation Scheme with Seamless Transition for a Tunable Immittance Based DAB Converter Featuring High-Efficiency Performance Over Whole Output Power Range,”*IEEE Transactions on Power Electronics* - Y. P. Chan, M. Yaqoob, C. S. Wong,
**K. H. Loo**, “Realization of High-Efficiency Dual-Active-Bridge Converter with Reconfigurable Multilevel Modulation Scheme,”*IEEE Journal of Emerging and Selected Topics in Power Electronics*, vol. 8, no. 2, pp. 1178–1192, 2020 - Akif Zia Khan,
**K. H. Loo**, “A Three-Phase Dual-Active-Bridge DC-DC Converter with Reconfigurable Resonant Network for Efficient Wide Voltage Range Operation,”*IEEE Transactions on Power Electronics*, vol. 35, no. 2, pp. 1322–1339, 2020 - M. Yaqoob,
**K. H. Loo**, Y. P. Chan, J. Jatskevich, “Optimal Modulation for a Fifth-Order Dual-Active-Bridge Resonant Immittance DC-DC Converter,”*IEEE Transactions on Power Electronics*, vol. 35, no. 1, pp. 70–82, 2020 - M. Ali, M. Yaqoob, L. Cao,
**K. H. Loo**, “Disturbance Observer Based DC-Bus Voltage Control for Ripple Mitigation and Improved Dynamic Response in Two-Stage Single-Phase Inverter System,”*IEEE Transactions on Industrial Electronics*, vol. 66, no. 9, pp. 6836–6845, 2019 - Y. P. Chan,
**K. H. Loo**, M. Yaqoob, Y. M. Lai, “A Structurally Reconfigurable Resonant Dual-Active-Bridge Converter and Modulation Method to Achieve Full-Range Soft-Switching and Enhanced Light-Load Efficiency,”*IEEE Transactions on Power Electronics*, vol. 34, no. 5, pp. 4195–4207, 2019 - M. Yaqoob,
**K. H. Loo**, Y. M. Lai, “A Four-Degrees-Of-Freedom Modulation Strategy for Dual-Active-Bridge Series-Resonant Converter Designed for Total Loss Minimization,”*IEEE Transactions on Power Electronics*, vol. 34, no. 2, pp. 1065–1081, 2019 - Akif Zia Khan,
**K. H. Loo**, Y. M. Lai, “Design, Analysis and Performance Characterization of Dual-Active-Bridge DC-DC Converter Utilizing Three-Phase Resonant Immittance Network,”*IEEE Transactions on Power Electronics*, vol. 34, no. 2, pp. 1159–1180, 2019 - M. Ali,
**K. H. Loo**, Y. M. Lai, “A Non-Intrusive Parameter Estimation Method for Autotuned DC-DC Converter Based on Quasi-Impulse Response,”*IET Power Electronics*, vol. 11, no. 12, pp. 2019–2028, 2018 - M. Yaqoob,
**K. H. Loo**, Y. M. Lai, “Fully Soft-Switched Dual-Active-Bridge Series-Resonant Converter with Switched-Impedance-Based Power Control,”*IEEE Transactions on Power Electronics*, vol. 33, no. 11, pp. 9267–9281, 2018 - C. S. Wong,
**K. H. Loo**, H. H. C. Iu, Y. M. Lai, M. H. L. Chow, C. K. Tse, “Independent Control of Multicolour-Multistring LED Lighting Systems with Fully Switched-Capacitor-Controlled LCC Resonant Network,”*IEEE Transactions on Power Electronics*, vol. 33, no. 5, pp. 4293–4305, 2018 - M. Yaqoob,
**K. H. Loo**, Y. M. Lai, “Extension of Soft-Switching Region of Dual-Active-Bridge Converter by Tunable Resonant Tank,”*IEEE Transactions on Power Electronics*, vol. 32, no. 12, pp. 9093–9104, 2017 - K. H. Leung,
**K. H. Loo**, Y. M. Lai, “A Family of Ripple Estimation-Cancellation Methods Based on Switched-Resistor Circuits and Their Application in Fast-Response PFC Preregulator,”*IEEE Transactions on Power Electronics*, vol. 32, no. 4, pp. 2608–2621, 2017 - C. S. Wong,
**K. H. Loo**, Y. M. Lai, M. H. L. Chow, C. K. Tse, “Accurate Capacitive Current Balancing in Multistring LED Lighting Systems Based on Switched-Capacitor-Controlled LCC Resonant Network,”*IEEE Transactions on Power Electronics*, vol. 32, no. 3, pp. 2167–2179, 2017 - F. Luo,
**K. H. Loo**, Y. M. Lai, “A Simple Carrier-Based PWM Scheme for 3-Phase 4-Wire NPC Inverters with Neutral-Point Balancing,”*IET Power Electronics*, vol. 9, no. 2, pp. 365–376, 2016 - K. W. Lam, J. C. W. Pang,
**K. H. Loo**, Y. M. Lai, S. Y. Chau, “Evaluation of Growth and Quality in Latuca Sativa L. under Different Photoperiods,”*Journal of Modern Agriculture*, vol. 5, no. 2, pp. 8–12, 2016 - K. H. Leung,
**K. H. Loo**, Y. M. Lai, “Unity-Power-Factor Control Based on Precise Ripple Cancellation for Fast-Response PFC Preregulator,”*IEEE Transactions on Power Electronics*, vol. 31, no. 4, pp. 3324–3337, 2016 - L. Cao,
**K. H. Loo**, Y. M. Lai, “Output-Impedance Shaping of Bidirectional DAB DC-DC Converter Using Double-Proportional-Integral Feedback for Near-Ripple-Free DC Bus Voltage Regulation in Renewable Energy Systems,”*IEEE Transactions on Power Electronics*, vol. 31, no. 3, pp. 2187–2199, 2016 - C. S. Wong,
**K. H. Loo**, Y. M. Lai, M. H. L. Chow, C. K. Tse, “An Alternative Approach to LED Driver Design Based on High-Voltage Driving,”*IEEE Transactions on Power Electronics*, vol. 31, no. 3, pp. 2465–2475, 2016 - C. S. Wong, Y. M. Lai,
**K. H. Loo**, C. K. Tse, “Low-Current Ripple LED Driver by Two-Phase Driving Approach,”*IET Electronics Letters*, vol. 51, no. 22, pp. 1804–1806, 2015 - L. Cao,
**K. H. Loo**, Y. M. Lai, “Systematic Derivation of a Family of Power Converter’s Output-Impedance Shaping Methods – A Case Study Using Fuel Cell-Battery-Powered Single-Phase Inverter System,”*IEEE Transactions on Power Electronics*, vol. 30, no. 10, pp. 5854–5869, 2015 - L. Cao,
**K. H. Loo**, Y. M. Lai, “Frequency-Adaptive Filtering of Low-Frequency Harmonic Current in Fuel Cell Power Conditioning Systems,”*IEEE Transactions on Power Electronics*, vol. 30, no. 4, pp. 1966–1978, 2015 - X. Lv,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Energy-Saving Driver Design for Full-Color Large-Area LED Display Panel Systems,”*IEEE Transactions on Industrial Electronics*, vol. 61, no. 9, pp. 4665–4673, 2014 - S. K. Ng,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Color Control System for RGB LED with Application to Light Sources Suffering from Prolonged Ageing,”*IEEE Transactions on Industrial Electronics*, vol. 61, no. 4, pp. 1788–1798, 2014 **K. H. Loo**, Y. M. Lai, C. K. Tse, “Design and Analysis of LCC Resonant Network for Quasi-Lossless Current Balancing in Multi-String AC-LED Array,”*IEEE Transactions on Power Electronics*, vol. 28, no. 2, pp. 1047–1059, 2013- M. K. H. Cheung, M. H. L. Chow, Y. M. Lai,
**K. H. Loo**, “Effects of Imperfect Sinusoidal Input Currents on the Performance of a Boost PFC Pre-Regulator,”*Journal of Power Electronics*, vol. 12, no. 5, pp. 689–698, 2012 - K. T. Mok, Y. M. Lai,
**K. H. Loo**, W. C. Chan, C. F. Lee, S. W. Y. Lai, “A High-Output-Current and Low-Power-Loss Thin-Film Transistor Liquid-Crystal Display (TFT-LCD) Driver for Portable Devices,”*International Journal of Power Electronics*, vol. 4, no. 3, pp. 240–257, 2012 - G. R. Zhu,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Quasi-Maximum Efficiency Point Tracking for Direct Methanol Fuel Cell in DMFC/Supercapacitor Hybrid Energy System,”*IEEE Transactions on Energy Conversion*, vol. 27, no. 3, pp. 561–571, 2012 - S. K. Ng,
**K. H. Loo**, S. K. Ip, Y. M. Lai, K. T. Mok, C. K. Tse, “Sequential Variable Bi-Level Driving Approach Suitable for Use in High Color Precision LED Display Panels,”*IEEE Transactions on Industrial Electronics*, vol. 59, no. 12, pp. 4637–4645, 2012 **K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “On the Color Stability of Phosphor-Converted White LEDs Under DC, PWM, and Bi-Level Drive,”*IEEE Transactions on Power Electronics*, vol. 27, no. 2, pp. 974–984, 2012- G. R. Zhu,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “A Maximum-Power-Point-Tracking Method Based on Real-Time Impedance Matching for Fuel Cell Energy System,”*Proceedings of the Chinese Society for Electrical Engineering*, vol. 31, no. 26, pp. 44–52, 2011 **K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “Stationary and Adaptive Color-Shift Reduction Methods Based on Bi-Level Driving Technique for Phosphor-Converted White-LEDs,”*IEEE Transactions on Power Electronics*, vol. 26, no. 7, pp. 1943–1953, 2011- K. H. Wong,
**K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “A Theoretical Study of Inlet Relative Humidity Control in PEM Fuel Cell,”*International Journal of Hydrogen Energy*, vol. 36, no. 18, pp. 11871–11885, 2011 **K. H. Loo**, K. H. Wong, Y. M. Lai, S. C. Tan, C. K. Tse, “Derivation of a Fast Mathematical Model of PEM Fuel Cell with Two-Phase Water Transport,”*IEEE Transactions on Energy Conversion*, vol. 26, no. 1, pp. 216–226, 2011- K. H. Wong,
**K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “Treatment of Two-Phase Flow in Cathode Gas Channel for an Improved One-Dimensional Proton Exchange Membrane Fuel Cell Model,”*International Journal of Hydrogen Energy*, vol. 36, no. 6, pp. 3941–3955, 2011 **K. H. Loo**, K. H. Wong, Y. M. Lai, S. C. Tan, C. K. Tse, “Characterization of the Dynamic Response of Proton Exchange Membrane Fuel Cells – A Numerical Study,”*International Journal of Hydrogen Energy*, vol. 35, no. 21, pp. 11861–11877, 2010**K. H. Loo**, W. K. Lun, S. C. Tan, Y. M. Lai, C. K. Tse, “On Driving Techniques for LEDs: Toward a Generalized Methodology,”*IEEE Transactions on Power Electronics*, vol. 24, no. 12, pp. 2967–2976, 2009- W. K. Lun,
**K. H. Loo**, S. C. Tan, Y. M. Lai, C. K. Tse, “Bilevel Current Driving Technique for LEDs,”*IEEE Transactions on Power Electronics*, vol. 24, no. 12, pp. 2920–2932, 2009 - H. Motomura,
**K. H. Loo**, Y. Ikeda, M. Jinno, M. Aono, “Temporal VUV Emission Characteristics Related to Generations and Losses of Metastable Atoms in Xenon Pulsed Barrier Discharge,”*Journal of Light and Visual Environment*, vol. 30, no. 2, pp. 81–86, 2006 - M. Jinno, H. Motomura,
**K. H. Loo**, M. Aono, “Emission Characteristics of Xenon and Xenon-Rare Gas Dielectric Barrier Discharge Fluorescent Lamps,”*Journal of Light and Visual Environment*, vol. 29, no. 3, pp. 91–98, 2005 (awarded “Best Paper of The Year” by The Illuminating Engineering Institute of Japan) **K. H. Loo**, D. A. Stone, R. C. Tozer, R. Devonshire, “A Dynamic Conductance Model of Fluorescent Lamp for Electronic Ballast Design Simulation,”*IEEE Transactions on Power Electronics*, vol. 20, no. 5, pp. 1178–1185, 2005**K. H. Loo**, G. J. Moss, R. C. Tozer, D. A. Stone, M. Jinno, R. Devonshire, “A Dynamic Collisional-Radiative Model of A Low-Pressure Mercury-Argon Discharge Lamp: A Physical Approach to Modeling Fluorescent Lamps for Circuit Simulations,”*IEEE Transactions on Power Electronics*, vol. 19, no. 4, pp. 1117–1129, 2004- S. Kitsinelis, R. Devonshire, M. Jinno,
**K. H. Loo**, D. A. Stone, R. C. Tozer, “Relative Enhancement of Near-UV Emission from a Pulsed Low-Pressure Mercury Discharge Lamp Using a Rare Gas Mixture,”*Journal of Physics D: Applied Physics*, vol. 37, pp. 1630–1638, 2004

** ****Conference Publications**

**Conference Publications**- C. S. Wong,
**K. H. Loo**, “A Dynamic Series/Series-Parallel (S/SP) Compensated Wireless Battery Charger with Constant-Current and Constant-Voltage Outputs under Varying Coupling Condition,” 23^{rd}European Conference on Power Electronics and Applications, EPE’23 ECCE Europe (Online), 6–9 September 2021 - T. Rahimi, M. Farhadi,
**K. H. Loo**, J. Pou, “Fuzzy Lifetime Analysis of a Fault-Tolerant Two-Phase Interleaved Converter,” 13^{th}IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED 2021), Dallas, USA, 22-25 August 2021 - T. Rahimi, L. Ding, R. Faraji, M. Kheshti, J. Pou,
**K. H. Loo**, “Performance Analyses of a Three-Port Converter for Post-Fault Conditions in Aerospace Applications,” 12^{th}Power Electronics, Drive Systems, and Technologies Conference (PEDSTC), Tabriz, Iran, 2–4 February 2021 - Y. P. Chan,
**K. H. Loo**, “A Reconfigurable Dual-Active-Bridge Resonant Converter Designed for Wide-Load-Range High-Efficiency Operation,” 45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019, Lisbon, Portugal, 14–17 October 2019 - Akif Zia Khan,
**K. H. Loo**, “A Reconfigurable Three-Phase Dual-Active-Bridge DC-DC Converter Designed for Wide-Range High-Efficiency Operation,” IEEE 10th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2019, Xi’an, China, 3–6 June 2019 - C. S. Wong, Y. P. Chan, L. Cao,
**K. H. Loo**, “A Single-Stage Dynamically-Compensated IPT Converter with Unity Power Factor and Constant Voltage Output under Varying Coupling Condition,” 21st European Conference on Power Electronics and Applications, EPE’21 ECCE Europe, Genova, Italy, 2–6 September 2019 - Y. P. Chan, M. Yaqoob, C. S. Wong,
**K. H. Loo**, “A Reconfigurable Multilevel Dual-Active-Bridge Converter for Wide-Range High-Efficiency Operation,” 21st European Conference on Power Electronics and Applications, EPE’21 ECCE Europe, Genova, Italy, 2–6 September 2019 - Akif Zia Khan,
**K. H. Loo**, Y. M. Lai, “A Three-Phase Dual-Active-Bridge DC-DC Immittance Converter,” 10th Annual IEEE Energy Conversion Congress & Exposition, ECCE 2018, Portland, Oregon, USA, 23–27 September 2018 - Y. P. Chan, L. Cao,
**K. H. Loo**, “Single-Phase Direct AC-DC Bidirectional Converter Featuring Natural Power Factor Correction,” 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017, Beijing, China, 29 October–1 November 2017 - M. Yaqoob,
**K. H. Loo**, Y. M. Lai, “Modeling the Effect of Dead-Time on the Soft-Switching Characteristics of Variable-Frequency Modulated Series-Resonant DAB Converter,” 18th IEEE Workshop on Control and Modeling for Power Electronics, IEEE COMPEL 2017, Stanford University, USA, 9–12 July 2017 - Y. P. Chan,
**K. H. Loo**, Y. M. Lai, “Single-Stage Immittance-Based Three-Phase AC-DC Bidirectional Converter and PWM Strategy for Realizing Zero Circulating Power,” 19th European Conference on Power Electronics and Applications, EPE’17 ECCE Europe, Warsaw, Poland, 11–14 September 2017 - Y. P. Chan,
**K. H. Loo**, Y. M. Lai, “SVM-plus-Phase-Shift Modulation Strategy for Single-Stage Immittance-Based Three-Phase AC-DC Bidirectional Converter,” 19th European Conference on Power Electronics and Applications, EPE’17 ECCE Europe, Warsaw, Poland, 11–14 September 2017 - C. S. Wong,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Current-Source PFC based LED Drivers with Electronic-Smoothing Inductor for AC Power Decoupling,” 19th European Conference on Power Electronics and Applications, EPE’17 ECCE Europe, Warsaw, Poland, 11–14 September 2017 - J. Ugwuanyi, Y. P. Chan,
**K. H. Loo**, Y. M. Lai, “Three-Port AC-DC Bidirectional Converter with V2G Reactive Power Support,” 2017 IEEE Power and Energy Conference, PECI 2017, Illinois, USA, 23–24 February 2017 - Y. P. Chan,
**K. H. Loo**, Y. M. Lai, “Single-Stage Resonant AC-DC Dual Active Bridge Converter with Flexible Active and Reactive Power Control,” 13th IEEE Vehicle Power and Propulsion Conference, VPPC 2016, Hangzhou, China, 17–20 October 2016 - M. Ali,
**K. H. Loo**, Y. M. Lai, “Digital Autotuning Controller for Point-of-Load Converter Based on Non-Intrusive Start-up Transient Observer,” 8th Annual IEEE Energy Conversion Congress & Exposition, ECCE 2016, Milwaukee, Wisconsin, USA, 18–22 September 2016 - C. S. Wong,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Capacitive Current Balancing for Parallel-Connected LED Strings with Tight Load-Regulation by Switch-Controlled Capacitor,” 18th European Conference on Power Electronics and Applications, EPE’16 ECCE Europe, Karlsruhe, Germany, 6–8 September 2016 - F. Luo,
**K. H. Loo**, Y. M. Lai, “A Hybrid AC/DC Microgrid Control Scheme with Voltage-Source-Inverter-Controlled Interlinking Converter,” 18th European Conference on Power Electronics and Applications, EPE’16 ECCE Europe, Karlsruhe, Germany, 6–8 September 2016 - M. Yaqoob,
**K. H. Loo**, Y. M. Lai, “A Switched-Inductor-Augmented LCL Resonant DAB Converter Capable of Achieving Wide-Range Zero-Voltage Switching,” IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2016, Vancouver, Canada, 27–30 June 2016 - K. H. Leung,
**K. H. Loo**, Y. M. Lai, “Precise Ripple Cancellation Technique for Power-Factor Pre-regulator Circuits,” 16th European Conference on Power Electronics and Applications, EPE’14 ECCE Europe, Lappeenranta, Finland, 26–28 August 2014 - C. S. Wong, Y. M. Lai,
**K. H. Loo**, “Elimination of Electrolytic Capacitor in LED Power Supplies by Two-Phase Driving Approach,” 16th European Conference on Power Electronics and Applications, EPE’14 ECCE Europe, Lappeenranta, Finland, 26–28 August 2014 - F. Luo,
**K. H. Loo**, Y. M. Lai, “Anti-Windup Scheme for Proportional-Resonant Controller,” Symposium on Power Electronics and Electrical Drives, SPEED 2014, Wuhan, China, 12–13 April 2014 - L. Cao,
**K. H. Loo**, Y. M. Lai, “Reduction of Low-Frequency Current Ripples in Fuel Cell Power Conditioning Systems Using Proportional-Resonant Control,” 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013, Vienna, Austria, 11–13 November 2013 - X. Lv,
**K. H. Loo**, Y. M. Lai, C. K. Tse, “Energy Efficient LED Driving System for Large-Scale Video Display Panel,” 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013, Vienna, Austria, 11–13 November 2013 - K. H. Leung, C. S. Wong,
**K. H. Loo**, Y. M. Lai, M. H. L. Chow, “Elimination of Electrolytic Capacitor Through High-Voltage Driving of LED Aided by Third-Order Harmonic Current Injection,” 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013, Vienna, Austria, 11–13 November 2013 - F. Luo, Y. M. Lai,
**K. H. Loo**, C. K. Tse, X. Ruan, “A Generalized Droop-Control Scheme for Decentralized Control of Inverter-Interfaced Microgrids,” 2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013, Beijing, China, 19–23 May 2013 **K. H. Loo**, Y. M. Lai, C. K. Tse, “Design Considerations of a Half-Bridge*LCC*Inverter with Current-Balancing for AC-LED,” 38th Annual Conference of the IEEE Industrial Electronics Society, IECON 2012, Montreal, Canada, 25–28 October 2012- L. Cao,
**K. H. Loo**, Y. M. Lai, “A Multi-input Bi-Directional Converter with Decoupled Power Distribution Control,” 38th Annual Conference of the IEEE Industrial Electronics Society, IECON 2012, Montreal, Canada, 25–28 October 2012 - F. Luo,
**K. H. Loo**, Y. M. Lai, “A Triple-Droop Control Scheme for Inverter-Based Micro-grids,” 38th Annual Conference of the IEEE Industrial Electronics Society, IECON 2012, Montreal, Canada, 25–28 October 2012 - S. K. Ng,
**K. H. Loo**, Y. M. Lai, “Color Control in RGB Driver System Applicable to LED of All Ageing Conditions,” 38th Annual Conference of the IEEE Industrial Electronics Society, IECON 2012, Montreal, Canada, 25–28 October 2012 - K. T. Mok, Y. M. Lai,
**K. H. Loo**, “Synthesis of Two-State Ladder-Structured DC-DC Power Converters by Duality Principle,” 38th Annual Conference of the IEEE Industrial Electronics Society, IECON 2012, Montreal, Canada, 25–28 October 2012 - K. H. Wong,
**K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “Derivation of a Computationally Efficient Two-Phase Dynamic PEM Fuel Cell Model for Control System Simulation,” 11th International Conference on Clean Energy–ICCE 2011, Taichung, Taiwan, 2–5 November 2011 - K. T. Mok, Y. M. Lai,
**K. H. Loo**, “A Single-Stage Bridgeless Power-Factor-Correction Rectifier Based on Flyback Topology,” 33rd International Telecommunications Energy Conference 2011–INTELEC 2011, Amsterdam, The Netherlands, 9–13 October 2011 - S. K. Ng,
**K. H. Loo**, Y. M. Lai, K. T. Mok, “Variable Bi-Level Phase-Shifted Driving Method for High-Power RGB LED Lamps,” 8th International Conference on Power Electronics–ECCE Asia, Jeju, Korea, 30 May–3 June 2011 **K. H. Loo**, G. R. Zhu, Y. M. Lai, C. K. Tse, “Development of a Maximum-Power-Point Tracking Algorithm for Direct Methanol Fuel Cell and Its Realization in a Fuel Cell/Supercapacitor Hybrid Energy System,” 8th International Conference on Power Electronics–ECCE Asia, Jeju, Korea, 30 May–3 June 2011**K. H. Loo**, Y. M. Lai, C. K. Tse, “A Low-Cost Method for Minimizing the Chromaticity Shift of DC-Driven Phosphor-Converted White LEDs by Thermal Design,” 8th International Conference on Power Electronics–ECCE Asia, Jeju, Korea, 30 May–3 June 2011- K. H. Wong,
**K. H. Loo**, Y. M. Lai, S. C. Tan, C. K. Tse, “Modeling the Effects of Gas Channel Flooding on the Voltage-Current Characteristics of PEM Fuel Cell,” 8th International Fuel Cell Science, Engineering and Technology Conference, Brooklyn, New York, 14–16 June 2010 - W. K. Lun,
**K. H. Loo**, S. C. Tan, Y. M. Lai, C. K. Tse, “Implementation of Bi-level Current Driving Technique for Improved Efficacy of High-Power LEDs,” IEEE ECCE 2009, Energy Conversion Congress and Exposition, San Jose, California, 20–24 September 2009 **K. H. Loo**, W. K. Lun, S. C. Tan, Y. M. Lai, C. K. Tse, “On The Driving Techniques for High-Brightness LEDs,” IEEE ECCE 2009, Energy Conversion Congress and Exposition, San Jose, California, 20–24 September 2009- S. Taniguchi,
**K. H. Loo**, H. Motomura, M. Jinno, “One Dimensional DC Mercury-Argon Fluorescent Lamp Model,” Light Source Workshop, Ehime University, 13–14 September 2005 - S. Kitsinelis,
**K. H. Loo**, H. Motomura, M. Jinno “The Effect of Buffer Gas and Mode of Operation on the Spectral Output of Low-Pressure Discharges,” Paper ED-05-07/DEI-05-07/HV-05-07, Joint Technical Meeting on Electrical Discharges, Dielectrics and Electrical Insulation and High Voltage Engineering, Kitakyushu, Japan, 27–28 January 2005 **K. H. Loo**, D. A. Stone, R. C. Tozer, M.Jinno, R. Devonshire, “Modeling The Electrical Behavior of Fluorescent Lamps on The Basis of a Self-Consistent Collisional-Radiative Model,” The IEEE Industrial Applications Society 39th Annual Meeting, Seattle, Washington, US, 3–7 October 2004- H. Motomura,
**K. H. Loo**, Y. Ikeda, M. Jinno, M. Aono, “Analysis of Mercury-free Fluorescent Lamp Using Xenon Barrier Discharge In Terms of Experiments and Modeling,” 19th Technical Meeting on Plasma Physics of Light Sources and Its Applications, Sapporo, Japan, 4 October 2004 (in Japanese) - M. Jinno, K. Toryu, T. Murakami, H. Motomura,
**K. H. Loo**, M. Aono, “Mercury-less Xenon Pulsed Discharge Fluorescent Lamps Using Multi Pairs of Electrodes,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004 - H. Motomura, R. Wada, M. Jinno,
**K. H. Loo**, M. Aono, “Temporal Behavior of Radial Distribution of Xenon Metastable Atoms in Xenon Low Pressure Lamps,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004 - S. Kitsinelis,
**K. H. Loo**, H. Motomura, M. Jinno, M. Aono, “The Low-Pressure Mercury Discharge Under Different Modes of Operation,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004 - S. Taniguchi,
**K. H. Loo**, M. Jinno, H. Motomura, M. Aono, R. Devonshire, “Radial Variations in The Properties of a DC Hg-Ar Discharge,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004 **K. H. Loo**, Y. Ikeda, M. Jinno, H. Motomura, M. Aono, “Parametric Study of The Emission Characteristics of Pulsed Xenon Dielectric Barrier Discharge at Intermediate to High Pressures,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004**K. H. Loo**, M. Jinno, H. Motomura, M. Aono, “Fundamental Study of The Positive Column Contraction in Xenon Discharge at Intermediate Pressures,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004**K. H. Loo**, G. J. Moss, D. A. Stone, R. C. Tozer, M. Jinno, R. Devonshire, “Enhancement of Near-UV and Visible Emissions Using Pulsed Low-Pressure Hg-Ar Discharge,” The 10th International Symposium on The Science and Technology of Light Sources, Toulouse, France, 18–23 July 2004- S. Kitsinelis,
**K. H. Loo**, H. Motomura, M. Jinno, M. Aono, “Optical Emission Spectroscopy of Low-Pressure Mercury Discharges,” International COE Forum on Plasma Science and Technology, Nagoya University, Nagoya, Japan, 5–7 April 2004 **K. H. Loo**, M. Jinno, H. Motomura, M. Aono, “Numerical Modeling of The Contraction of DC Positive Column in Xenon,” Paper ED-03-262, Technical Meeting on Electrical Discharges, Doshisha University, Kyoto, Japan, 12–13 December 2003**K. H. Loo**, M. Jinno, H. Motomura, M. Aono, “Numerical Modeling of Low-Pressure Mercury-Argon Electrode-less Fluorescent Lamp,” The 26th International Conference on Phenomena in Ionized Gases, University of Greifswald, Greifswald, Germany, 15–20 July 2003- H. Motomra, M. Jinno,
**K. H. Loo**, M. Aono, “Characteristics of Positive Column Contraction of Xenon Fluorescent Lamps with Two-Pairs of Electrodes in Pulsed Discharge,” The 30th International Conference on Plasma Science, Lotte Hotel Jeju, Jeju, Korea, 2–5 June 2003 **K. H. Loo**, D. A. Stone, R. C. Tozer, M. Jinno, R. Devonshire, “A Dynamic Conductance Model of Fluorescent Lamp for Electronic Ballast Design Simulation,” The 30th International Conference on Plasma Science, Lotte Hotel Jeju, Jeju, Korea, 2–5 June 2003- M. Jinno, H. Motomura,
**K. H. Loo**, M. Aono, “Emission Characteristics of Xenon and Xenon-Rare Gas Dielectric Barrier Discharge Fluorescent Lamps,” The International Conference on Electrical Engineering 2003, Kowloon Shangri-La Hotel, Hong Kong, 6–10 July 2003 - H. Motomura, M. Jinno,
**K. H. Loo**, M. Aono, “Characteristics of Positive Column Contraction of Xenon Fluorescent Lamps with Multi-pairs of Electrodes in Pulsed Discharge,” The International Conference on Electrical Engineering 2003, Kowloon Shangri-La Hotel, Hong Kong, 6–10 July 2003 **K. H. Loo**, D. A. Stone, R. C. Tozer, M. Jinno, R. Devonshire, “A Dynamic Spice Model of Fluorescent Lamp for Electronic Ballast Design Simulation,” The International Conference on Electrical Engineering 2003, Kowloon Shangri-La Hotel, Hong Kong, 6–10 July 2003**K. H. Loo**, S. Kitsinelis, D. A. Stone, R. C. Tozer, M, Jinno, R. Devonshire, “Theoretical and Experimental Studies on The Dynamic Behavior of Pulsed Low-Pressure Discharges,” The International Symposium on Glow Discharge Optical Emission Spectroscopy for Surface Analysis, Keio University, Yokohama, Japan, 19–20 November 2002**K. H. Loo**, D. A. Stone, R. C. Tozer, R. Devonshire, “Modeling of Low-Pressure Discharge Lamp (Fluorescent Lamp) for Circuit Simulation,” Technological Plasma Initiative Meeting, University of Warwick, Warwick, UK, 17–18 December 2001- G. J. Moss,
**K. H. Loo**, R. Devonshire, “The Dynamic Behavior of Pulsed Low-Pressure Discharges: The Grotrian Model,” The 9th International Symposium on The Science and Technology of Light Sources, Cornell University, Ithaca, New York, US, 12–16 August 2001