PUBLICATION

[59]  Scalable High-Yield Exfoliation of Hydrophilic h-BN Nanosheets via Gallium Intercalation

Sungsan Kang, Dahun Kim, Seonyou Park, Sung-Tae Lee, John Hong, Sanghyo Lee*, Sangyeon Park*

[58]  A Practical Zinc Metal Anode Coating Strategy Utilizing Bulk h-BN and Improved Hydrogen Redox Kinetics

Dong Il Kim, Hee Bin Jeong, Jungmoon Lim, Hyeong Seop Jeong, Min Kyeong Kim, Sangyeon Park, Sanghyo Lee, Geon-Hyoung An, Sang-Soo Chee, jin Pyo Hong, SeungNam Cha, John Hong

[57]  Smart Textile Display with Addressable Quantum Dot Light-Emitting Diode Based on Durable Ultrathin Metal Electrode (2025)

Jiajie Yang, Jeong-Wan Jo, Yoonwoo Kim, Sung-Min Jung*, Sanghyo Lee*, Jong Min Kim 

[56]  Ultrasensitive textile strain sensors redefine wearable silent speech interfaces with high machine learning efficiency (2024)

Chenyu Tang, Muzi Xu, Wentian Yi, Zibo Zhang, Edoardo Occhipinti, Chaoqun Dong, Dafydd Ravenscroft, Sung-Min Jung, Sanghyo Lee, Shuo Gao, Jong Min Kim, Luigi Giuseppe Occhipinti 

[55]  Computational Characterization of Quantum‐Dot Light‐Emitting Diodes by Combinatorial Exciton Recombination Parameters and Photon Extraction Efficiency (2024)

Yoonwoo Kim, Jeong‐Wan Jo, Jiajie Yang, Yaron Bernstein, Sanghyo Lee, Sung‐Min Jung, Jong Min Kim 

[54]  High Picture Quality Quantum-Dot Light-Emitting Diode Display Technologies for Immersive Displays (2023)

 Jeong-Wan Jo, Yoonwoo Kim, Jiajie Yang, Sanghyo Lee, Sung-Min Jung, Luigi Giuseppe Occhipinti

[53]  Truly form-factor–free industrially scalable system integration for electronic textile architectures with multifunctional fiber devices (2023)

Sanghyo Lee, Hyung Woo Choi, Cátia Lopes Figueiredo, Dong-Wook Shin, Francesc Mañosa Moncunill, Kay Ullrich, Stefano Sinopoli, Petar Jovančić, Jiajie Yang, Hanleem Lee, Martin Eisenreich, Umberto Emanuele, Salvatore Nicotera, Angelo Santos, Rui Igreja, Alessio Marrani, Roberto Momentè, João Gomes, Sung-Min Jung, Soo Deok Han, Sang Yun Bang, Shijie Zhan, William Harden-Chaters, Yo-Han Suh, Xiang-Bing Fan, Tae Hoon Lee, Jeong-Wan Jo, Yoonwoo Kim, Antonino Costantino, Virginia Garcia Candel, Nelson Durães, Sebastian Meyer, Chul-Hong Kim, Marcel Lucassen, Ahmed Nejim, David Jiménez, Martijn Springer, Young-Woo Lee, Geon-Hyoung An, Youngjin Choi, Jung Inn Sohn, SeungNam Cha, Manish Chhowalla, Gehan AJ Amaratunga, Luigi G Occhipinti, Pedro Barquinha, Elvira Fortunato, Rodrigo Martins, Jong Min Kim 

[52]  InP/ZnS quantum dot photoluminescence modulation via in situ H 2 S interface engineering (2023)

Xiang-Bing Fan, Dong-Wook Shin, Sanghyo Lee, Junzhi Ye, Shan Yu, David J Morgan, Adrees Arbab, Jiajie Yang, Jeong-Wan Jo, Yoonwoo Kim, Sung-Min Jung, Philip R Davies, Akshay Rao, Bo Hou, Jong Min Kim 

[51]  Nafion-mediated barium titanate-polymer composite nanofibers-based triboelectric nanogenerator for self-powered smart street and home control system (2023)

Puran Pandey, Dae-Hwan Jung, Geon-Ju Choi, Min-Kyu Seo, Sanghyo Lee, Jong Min Kim, Il-Kyu Park, Jung Inn Sohn 

[50]  Solution-processed colloidal quantum dots for light emission (2022)

Alexander RC Osypiw, Sanghyo Lee, Sung-Min Jung, Stefano Leoni, Peter M Smowton, Bo Hou, Jong Min Kim, Gehan AJ Amaratunga 

[49]  Optoelectronic system and device integration for quantum-dot light-emitting diode white lighting with computational design framework (2022)

Chatura Samarakoon+, Hyung Woo Choi+, Sanghyo Lee+, Xiang-Bing Fan, Dong-Wook Shin, Sang Yun Bang, Jeong-Wan Jo, Limeng Ni, Jiajie Yang, Yoonwoo Kim, Sung-Min Jung, Luigi G Occhipinti, Gehan AJ Amaratunga, Jong Min Kim 

[48]  Color controllable smart white lighting based on various device architectures of electrically driven quantum-dot light-emitting diodes (2022)

Dong-Wook Shin+, Sanghyo Lee+, Hyung Woo Choi, Sang Yun Bang, Soo Deok Han, Yul Jae Cho, Xiang-Bing Fan, Jeong-Wan Jo, Limeng Ni, Chatura Samarakoon, Adrees Arbab, Jiajie Yang, Yoonwoo Kim, Sung-Min Jung, Luigi G Occhipinti, Gehan AJ Amaratunga, Jong Min Kim 

[47]  Air stable eco-friendly quantum dots with a light-mediated photoinitiator for an inkjet printed flexible light emitting diode (2022)

Hanleem Lee, Yo-Han Suh, Xiang-Bing Fan, Limeng Ni, Jiajie Yang, Yoonwoo Kim, Jeong-Wan Jo, Hyung Woo Choi, Sung-Min Jung, Dong-Wook Shin*, Sanghyo Lee*, Jong Min Kim 

[46]  Inkjet‐printed multi‐color arrays based on eco‐friendly quantum dot light emitting diodes with tailored hole transport layer (2022)

Shijie Zhan, Yo‐Han Suh, Xiang‐Bing Fan, Jiajie Yang, Limeng Ni, Yoonwoo Kim, Jeong‐Wan Jo, Hyung Woo Choi, Sung‐Min Jung, Dong‐Wook Shin*, Sanghyo Lee*, Jong Min Kim 

[45]  Smart textile lighting/display system with multifunctional fibre devices for large scale smart home and IoT applications (2022)

Hyung Woo Choi+, Dong-Wook Shin+, Jiajie Yang+, Sanghyo Lee+, Cátia Figueiredo, Stefano Sinopoli, Kay Ullrich, Petar Jovančić, Alessio Marrani, Roberto Momentè, João Gomes, Rita Branquinho, Umberto Emanuele, Hanleem Lee, Sang Yun Bang, Sung-Min Jung, Soo Deok Han, Shijie Zhan, William Harden-Chaters, Yo-Han Suh, Xiang-Bing Fan, Tae Hoon Lee, Mohamed Chowdhury, Youngjin Choi, Salvatore Nicotera, Andrea Torchia, Francesc Mañosa Moncunill, Virginia Garcia Candel, Nelson Durães, Kiseok Chang, Sunghee Cho, Chul-Hong Kim, Marcel Lucassen, Ahmed Nejim, David Jiménez, Martijn Springer, Young-Woo Lee, SeungNam Cha, Jung Inn Sohn, Rui Igreja, Kyungmin Song, Pedro Barquinha, Rodrigo Martins, Gehan AJ Amaratunga, Luigi G Occhipinti, Manish Chhowalla, Jong Min Kim 

[44]  Engineering core size of InP quantum dot with incipient ZnS for blue emission (2022)

Yo‐Han Suh+, Sanghyo Lee+, Sung‐Min Jung, Sang Yun Bang, Jiajie Yang, Xiang‐Bing Fan, Shijie Zhan, Chatura Samarakoon, Jeong‐Wan Jo, Yoonwoo Kim, Hyung Woo Choi, Luigi G Occhipinti, Tae Hoon Lee, Dong‐Wook Shin, Jong Min Kim 

[43]  Modelling charge transport and electro-optical characteristics of quantum dot light-emitting diodes (2021)

Sung-Min Jung, Tae Hoon Lee, Sang Yun Bang, Soo Deok Han, Dong-Wook Shin, Sanghyo Lee, Hyung Woo Choi, Yo-Han Suh, Xiang-Bing Fan, Jeong-Wan Jo, Shijie Zhan, Jiajie Yang, Chatura Samarakoon, Yoonwoo Kim, Luigi G Occhipinti, Gehan Amaratunga, Jong Min Kim 

[42]  Room temperature wafer-scale synthesis of highly transparent, conductive CuS nanosheet films via a simple sulfur adsorption-corrosion method (2021)

John Hong, Byung-Sung Kim, Bo Hou, Sangyeon Pak, Taehun Kim, A-Rang Jang, Yuljae Cho, Sanghyo Lee, Geon-Hyoung An, Jae Eun Jang, Stephen M Morris, Jung Inn Sohn, SeungNam Cha 

[41]  Technology progress on quantum dot light-emitting diodes for next-generation displays (2021)

Sang Yun Bang, Yo-Han Suh, Xiang-Bing Fan, Dong-Wook Shin, Sanghyo Lee, Hyung Woo Choi, Tae Hoon Lee, Jiajie Yang, Shijie Zhan, William Harden-Chaters, Chatura Samarakoon, Luigi G Occhipinti, Soo Deok Han, Sung-Min Jung, Jong Min Kim 

[40]  Lattice marginal reconstruction-enabled high ambient-tolerance perovskite quantum dot phototransistors (2020)

Shijie Zhan, Xiang-Bing Fan, Jiangbin Zhang, Jiajie Yang, Sang Yun Bang, Soo Deok Han, Dong-Wook Shin, Sanghyo Lee, Hyung Woo Choi, Xiaozhi Wang, Bo Hou, Luigi G Occhipinti, Jong Min Kim 

[39]  Highly Stable and Scalable Blue QD‐LED via an Evaporated TiO2 Thin Film as an Electron Transport Layer (2020)

Sang Yun Bang, Xiang‐Bing Fan, Sung‐Min Jung, Jiajie Yang, Dong‐Wook Shin, Yo‐Han Suh, Tae Hoon Lee, Sanghyo Lee, Hyung Woo Choi, Luigi G Occhipinti, Soo Deok Han, Jong Min Kim 

[38]  Robust In-Zn-O Thin-Film Transistors with a Bilayer Heterostructure Design and a Low-Temperature Fabrication Process Using Vacuum and Solution Deposited Layers (2020)

 Sang Yun Bang, Felix C. Mocanu, Tae Hoon Lee, Jiajie Yang, Shijie Zhan, Sung-Min Jung, Dong-Wook Shin, Yo Han Suh, Xiang-Bing Fan, Sanghyo Lee, Hyung Woo Choi, Luigi G. Occhipinti, Soo Deok Han*, Jong Min Kim

[37]  Spectral functions of CVD grown MoS2 monolayers after chemical transfer onto Au surface (2020)

Sung Won Jung+, Sangyeon Pak+, Sanghyo Lee+, Sonka Reimers, Saumya Mukherjee, Pavel Dudin, Timur K Kim, Mattia Cattelan, Neil Fox, Sarnjeet S Dhesi, Cephise Cacho, SeungNam Cha 

[36]  Nano-to-microporous networks via inkjet printing of ZnO nanoparticles/graphene hybrid for ultraviolet photodetectors (2020)

Hanleem Lee, William Harden-Chaters, Soo Deok Han, Shijie Zhan, Benxuan Li, Sang Yun Bang, Hyung Woo Choi, Sanghyo Lee, Bo Hou, Luigi G Occhipinti, Jong Min Kim

[35]  Plasmonic effects of dual-metal nanoparticle layers for high-performance quantum dot solar cells (2020)

John Hong, Byung-Sung Kim, Bo Hou, Yuljae Cho, Sang Hyo Lee, Sangyeon Pak, Stephen M Morris, Jung Inn Sohn, SeungNam Cha 

[34]  Waterproof flexible InP@ ZnSeS quantum dot light‐emitting diode (2020)

Dong‐Wook Shin, Yo‐Han Suh, Sanghyo Lee, Bo Hou, Soo Deok Han, Yuljae Cho, Xiang‐Bing Fan, Sang Yun Bang, Shijie Zhan, Jiajie Yang, Hyung Woo Choi, Sungmin Jung, Felix C Mocanu, Hanleem Lee, Luigi Occhipinti, Young Tea Chun, Gehan Amaratunga, Jong Min Kim 

[33]  2D metal Zn nanostructure electrodes for high‐performance Zn ion supercapacitors (2019)

Geon‐Hyoung An, John Hong, Sangyeon Pak, Yuljae Cho, Sanghyo Lee, Bo Hou, SeungNam Cha 

[32]  Modeling electrical percolation to optimize the electromechanical properties of CNT/polymer composites in highly stretchable fiber strain sensors (2019)

Sungmin Jung, Hyung Woo Choi, Felix Cosmin Mocanu, Dong-Wook Shin, Mohamed Foysol Chowdhury, Soo Deok Han, Yo-Han Suh, Yuljae Cho, Hanleem Lee, Xiangbing Fan, Sang Yun Bang, Shijie Zhan, Jiajie Yang, Bo Hou, Young Tea Chun, Sanghyo Lee, Luigi Giuseppe Occhipinti, Jong Min Kim 

[31]  Direct epitaxial synthesis of selective two-dimensional lateral heterostructures (2019)

Juwon Lee, Sangyeon Pak, Young-Woo Lee, Youngsin Park, A-Rang Jang, John Hong, Yuljae Cho, Bo Hou, Sanghyo Lee, Hu Young Jeong, Hyeon Suk Shin, Stephen M Morris, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[30]  Chalcogenide solution-mediated activation protocol for scalable and ultrafast synthesis of single-crystalline 1-D copper sulfide for supercapacitors (2019)

John Hong, Byung-Sung Kim, Seungmo Yang, A-Rang Jang, Young-Woo Lee, Sangyeon Pak, Sanghyo Lee, Yuljae Cho, Dongwoo Kang, Hyeon Suk Shin, Jin Pyo Hong, Stephen M Morris, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[30]  Surface functionalization-induced photoresponse characteristics of monolayer MoS 2 for fast flexible photodetectors (2019)

Sangyeon Pak, A-Rang Jang, Juwon Lee, John Hong, Paul Giraud, Sanghyo Lee, Yuljae Cho, Geon-Hyoung An, Young-Woo Lee, Hyeon Suk Shin, Stephen M Morris, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[29]  Consecutive Junction-Induced Efficient Charge Separation Mechanisms for High-Performance MoS2/Quantum Dot Phototransistors (2018)

Sangyeon Pak, Yuljae Cho, John Hong, Juwon Lee, Sanghyo Lee, Bo Hou, Geon-Hyoung An, Young-Woo Lee, Jae Eun Jang, Hyunsik Im, Stephen M Morris, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[28]  Flexible Solar Cells: Charge Transport Modulation of a Flexible Quantum Dot Solar Cell Using a Piezoelectric Effect (2018)

Yuljae Cho, Paul Giraud, Bo Hou, Young‐Woo Lee, John Hong, Sanghyo Lee, Sangyeon Pak, Juwon Lee, Jae Eun Jang, Stephen M Morris, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[27]  Synergistic effects of engineered spinel hetero-metallic cobaltites on electrochemical pseudo-capacitive behaviors (2018)

Young-Woo Lee, John Hong, Geon-Hyoung An, Sangyeon Pak, Juwon Lee, Yuljae Cho, Sanghyo Lee, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[26]  Sustainable hybrid energy harvester based on air stable quantum dot solar cells and triboelectric nanogenerator (2018)

Yuljae Cho+, Sanghyo Lee+, John Hong, Sangyeon Pak, Bo Hou, Young-Woo Lee, Jae Eun Jang, Hyunsik Im, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[25]  Balancing charge carrier transport in a quantum dot p–n junction toward hysteresis-free high-performance solar cells (2018)

Yuljae Cho, Bo Hou, Jongchul Lim, Sanghyo Lee, Sangyeon Pak, John Hong, Paul Giraud, A-Rang Jang, Young-Woo Lee, Juwon Lee, Jae Eun Jang, Henry J Snaith, Stephen M Morris, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[24]  Hierarchically assembled tubular shell-core-shell heterostructure of hybrid transition metal chalcogenides for high-performance supercapacitors with ultrahigh cyclability (2017)

Young-Woo Lee, Byung-Sung Kim, John Hong, Heechae Choi, Hyun-Sik Jang, Bo Hou, Sangyeon Pak, Juwon Lee, Sang-Hyo Lee, Stephen M Morris, Dongmok Whang, Jin-Pyo Hong, Hyeon Suk Shin, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[23]  Highly stable 3D porous heterostructures with hierarchically-coordinated octahedral transition metals for enhanced performance supercapacitors (2017)

John Hong, Young-Woo Lee, Docheon Ahn, Sangyeon Pak, Juwon Lee, A-Rang Jang, Sanghyo Lee, Bo Hou, Yuljae Cho, Stephen M Morris, Hyeon Suk Shin, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[22]  Strain-Mediated Interlayer Coupling Effects on the Excitonic Behaviors in an Epitaxially Grown MoS2/WS2 van der Waals Heterobilayer (2017)

Sangyeon Pak, Juwon Lee, Young-Woo Lee, A-Rang Jang, Seongjoon Ahn, Kyung Yeol Ma, Yuljae Cho, John Hong, Sanghyo Lee, Hu Young Jeong, Hyunsik Im, Hyeon Suk Shin, Stephen M Morris, SeungNam Cha, Jung Inn Sohn, Jong Min Kim 

[21]  Charge transport modulation of a flexible quantum dot solar cell using a piezoelectric effect (2017)

Yuljae Cho, Paul Giraud, Bo Hou, Young‐Woo Lee, John Hong, Sanghyo Lee, Sangyeon Pak, Juwon Lee, Jae Eun Jang, Stephen M Morris, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[20]  Red green blue emissive lead sulfide quantum dots: heterogeneous synthesis and applications (2017) 

Bo Hou , Yuljae Cho , Byung-Sung Kim , Docheon Ahn , Sanghyo Lee , Jong Bae Park , Young-Woo Lee , John Hong , Hyunsik Im , Stephen M. Morris , Jung Inn Sohn , SeungNam Cha, Jong Min Kim  

[19]  High performance PbS quantum dot/graphene hybrid solar cell with efficient charge extraction (2016)

Byung-Sung Kim, Darren CJ Neo, Bo Hou, Jong Bae Park, Yuljae Cho, Nanlin Zhang, John Hong, Sangyeon Pak, Sanghyo Lee, Jung Inn Sohn, Hazel E Assender, Andrew AR Watt, SeungNam Cha, Jong Min Kim 

[18]  Enhanced charge carrier transport properties in colloidal quantum dot solar cells via organic and inorganic hybrid surface passivation (2016)

John Hong, Bo Hou, Jongchul Lim, Sangyeon Pak, Byung-Sung Kim, Yuljae Cho, Juwon Lee, Young-Woo Lee, Paul Giraud, Sanghyo Lee, Jong Bae Park, Stephen M. Morris, Henry J. Snaith, Jung Inn Sohn, SeungNam Cha, Jong Min Kim 

[17]  Enhanced ferroelectric property of P (VDF-TrFE-CTFE) film using room temperature crystallization for high-performance ferroelectric device applications (2016)

Yuljae Cho, Docheon Ahn, J Park, Sangyeon Pak, Sanghyo Lee, B Jun, John Hong, J Jang, S Morris, J Sohn, S Cha, J Kim 

[16]  Multifunctional resistive switching behaviors employing various electroforming steps (2016)

Ah Rahm Lee, Yoon Cheol Bae, Gwang Ho Baek, Je Bock Chung, Sang Hyo Lee, Hyun Sik Im, and Jin Pyo Hong 

[15]  Solution processed vertically stacked ZnO sheet-like nanorod p–n homojunctions and their application as UV photodetectors (2016)

WonBae Ko, SangHyo Lee, NoSoung Myoung, JinPyo Hong 

[14]  Structural and Luminescence Features of Lithium-Doped p-Type Film-Like ZnO Nanorods (2015)

Wonbae Ko, Sanghyo Lee, Jin Pyo Hong 

[13]  Triboelectric energy harvester based on wearable textile platforms employing various surface morphologies (2015)

Sanghyo Lee, Wonbae Ko, Yujin Oh, Jongsun Lee, Gwangho Baek, Younhee Lee, Junginn Sohn, Seungnam Cha, Jongmin Kim, Jeagun Park, Jinpyo Hong 

[12]  Stretchable energy-harvesting tactile electronic skin capable of differentiating multiple mechanical stimuli modes (2014)

Steve Park, Hyunjin Kim, Michael Vosgueritchian, Ja-Hoon Koo, TR Kim, S Lee, G Schwartz, H Chang, Z Bao 

[11]  Surface energy-mediated construction of anisotropic semiconductor wires with selective crystallographic polarity (2014)

Jung Inn Sohn, Woong-Ki Hong, Sunghoon Lee, Sanghyo Lee, JiYeon Ku, Young Jun Park, Jinpyo Hong, Sungwoo Hwang, Kyung Ho Park, Jamie H Warner, SeungNam Cha, Jong Min Kim 

[10]  Na mole concentration dependence on optical p-type behaviors of Na-doped ZnO nanowires (2014)

Wonbae Ko, Sanhyo Lee, Gwangho Baek, Jin Pyo Hong 

[9]   Enhanced performance of triboelectric nanogenerators integrated with ZnO nanowires (2014)

Sanghyo Lee, Wonbae Ko, Jinpyo Hong 

[8]   Engineering of efficiency limiting free carriers and an interfacial energy barrier for an enhancing piezoelectric generation (2013)

Jung Inn Sohn, Seung Nam Cha, Byong Gwon Song, Sanghyo Lee, Seong Min Kim, JiYeon Ku, Hyun Jin Kim, Young Jun Park, Byoung Lyong Choi, Zhong Lin Wang, Jong Min Kim, Kinam Kim 

[7]   Solution-processed Ag-doped ZnO nanowires grown on flexible polyester for nanogenerator applications (2013)

SangHyo Lee, JunSeok Lee, WonBae Ko, SeungNam Cha, JungInn Sohn, JongMin Kim, JaeGun Park, Youngjun Park, JinPyo Hong 

[6]   Luminance behavior of lithium-doped ZnO nanowires with p-type conduction characteristics (2013)

Won Bae Ko, Jun Seok Lee, Sang Hyo Lee, Seung Nam Cha, Jung Inn Sohn, Jong Min Kim, Young Jun Park, Hyun Jung Kim, Jin Pyo Hong 

[5]   Photoluminescence analysis of energy level on Li-doped ZnO nanowires grown by a hydrothermal method (2012)

Sang Hyo Lee, Jun Seok Lee, Won Bae Ko, Jung Inn Sohn, Seung Nam Cha, Jong Min Kim, Young Jun Park, Jin Pyo Hong 

[4]   Structural analysis of ZnO nanowires synthesized by using a low-temperature hydro-thermal method (2012)

SangHyo Lee, JunSeok Lee, WonBae Ko, TaeSeong Kang, JinPyo Hong, SeungNam Cha 

[3]   Structural analysis of vertically-aligned single crystalline ZnO nanorods grown on different seed layers with chemical solution deposition (2012) 

Wonbae Ko, Sang Hyo Lee, Jun Seok Lee, Jin Pyo Hong 

[2]   p‐Type Conduction Characteristics of Lithium‐Doped ZnO Nanowires (2011)

JunSeok Lee, SeungNam Cha, JongMin Kim, HyeWon Nam, SangHyo Lee, WonBae Ko, Kang L Wang, JeaGun Park, JinPyo Hong 

[1]   Hybrid p-type ZnO film and n-type ZnO nanorod p–n homo-junction for efficient photovoltaic applications (2010)
Jong Hyun Lee, Jun Seok Lee, Sang Hyo Lee, Hye Won Nam, Jin Pyo Hong, Seoung Nam Cha, Young Jun Park, Jong Min Kim