A single-stage electronic ballast with high power factor. - Jang-Hyoun Youm; Hyun-Lark Do; Bong-Hwan Kwon (IEEE Trans. Ind. Electron., 2000)

Single-stage line-coupled half-bridge ballast with unity power factor and ripple-free input current using a coupled inductor. - Hyun-Lark Do; Bong-Hwan Kwon (IEEE Trans. Ind. Electron., 2003)

Asymmetric Resonant Poles Sustainer for Plasma Display Panel. - Jae-Kyu Park; Jong-Jae Lee; Jung-Min Kwon; Hyun-Lark Do; Bong-Hwan Kwon (IEEE Trans. Ind. Electron., 2007)

Asymmetric Current Buildup Sustainer for AC Plasma Display Panel. - Jae-Kyu Park; Hyun-Lark Do; Bong-Hwan Kwon (IEEE Trans. Ind. Electron., 2008)

Energy-Recovery Sustain Driver With Low Circulating Current. - Hyun-Lark Do (IEEE Trans. Ind. Electron., 2010)

Isolated High Step-up Zero-voltage-Switching DC-DC converter with a Continuous Input Current. - Hyun-Lark Do (J. Circuits Syst. Comput., 2011)

Zero-Voltage-Switching Synchronous Buck Converter With a Coupled Inductor. - Hyun-Lark Do (IEEE Trans. Ind. Electron., 2011)

Improved ZVS DC-DC Converter With a High Voltage Gain and a Ripple-Free Input Current. - Hyun-Lark Do (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)

Analysis and implementation of a high-efficiency zero-voltage-zero-current-switching DC-DC converter. - Hyun-Lark Do (Int. J. Circuit Theory Appl., 2013)

A soft-switching high step-up DC-DC converter with a single magnetic component. - Jae-Won Yang; Hyun-Lark Do (Int. J. Circuit Theory Appl., 2014)

Soft-Switching Bidirectional DC-DC Converter Using a Lossless Active Snubber. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

High-Efficiency ZVS AC-DC LED Driver Using a Self-Driven Synchronous Rectifier. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

High-Efficiency Bidirectional DC-DC Converter With Low Circulating Current and ZVS Characteristic Throughout a Full Range of Loads. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2014)

Efficient Single-Switch Boost-Dual-Input Flyback PFC Converter With Reduced Switching Loss. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2015)

Efficient bridgeless PFC converter with reduced voltage stress. - Sin-Woo Lee; Hyun-Lark Do (Int. J. Circuit Theory Appl., 2016)

Soft-Switching Two-Switch Resonant AC-DC Converter With High Power Factor. - Sin-Woo Lee; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2016)

Single-Stage Bridgeless AC-DC PFC Converter Using a Lossless Passive Snubber and Valley Switching. - Sin-Woo Lee; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2016)

Boost-Integrated Two-Switch Forward AC-DC LED Driver With High Power Factor and Ripple-Free Output Inductor Current. - Sin-Woo Lee; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2017)

Soft-Switching Dual-Flyback DC-DC Converter With Improved Efficiency and Reduced Output Ripple Current. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2017)

Isolated SEPIC DC-DC Converter With Ripple-Free Input Current and Lossless Snubber. - Sin-Woo Lee; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2018)

High Step-Up Coupled-Inductor Cascade Boost DC-DC Converter With Lossless Passive Snubber. - Sin-Woo Lee; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2018)

Single-Stage Two-Flyback PFC Converter With Low Voltage Stress on a Switch. - Jae-Won Yang; Hyun-Lark Do (IEEE Trans. Ind. Electron., 2025)