Other Articles


News Media / Press Release

[N6] Prof. LEE won the prize called “New Research Awards (신진연구자상)” from PNU, May 14, 2020.

[N5] The translated book entitled ‘마이크로 집적 반도체 소자‘ published in April 2020, where Prof. LEE did a role of the translator-in-chief, April 29, 2020.

[N4] Interview with the magazine called “Monthly People (월간인물)” on “창조의 철학으로 4차 산업혁명의 시대를 열어가는 반도체 공학자”, April 1, 2020 (link).

[N3] Prof. LEE received an outstanding research award from the BK-21 Plus due to a recognition of his research excellence in terms of papers and projects, Feb. 28, 2019.

[N2] Our work on ‘Missing Active Device – Trancitor‘ has been reported in MIT Technology Review, which is one of the most prestigious online magazines where the 10-breakthrough-technology is announced annually (see also the PNU focus, and YouTube clip), May 24, 2018.

[N1] Prof. LEE selected as the awardee of ‘Best Teaching Award‘ from the KSEE (Korean Society for Engineering Education), Sept. 21, 2017.


Conference Papers

[C30] Y. Kang, D. Cha, and Sungsik Lee, “Synaptic Weight Coverage and Potential Output in Synaptic Pass-Transistors,” 2020 International Conference on Electronics, Information, and Communication (ICEIC 2020), Jan. 2020 (Spain).

[C29] J. Bae, I. Jeong, and Sungsik Lee, “A Long Wavelength-dependent Optical Memory Characteristics of Amorphous Oxide-based Thin Film Devices,” 2019 International Conference on Electronics, Information, and Communication (ICEIC 2019), Jan. 2019 (New Zealand).

[C28] A. Nathan, Sungsik Lee, S. Jeon, R. Chaji, “Oxide Thin Film Transistor Technology: Capturing Device-Circuit Interaction,”IEDM Invited Talk in IEEE IEDM 2015, Washington D.C., Dec. 2015 (invited).

[C27] Sungsik Lee et al., “Physically-based Modelling and Parameter Extraction of Oxide TFTs,” International Conference on Computer-Aided Design on Thin-Film Transistors (CAD-TFT 2014), Nanjing (invited).

[C26] Sungsik Lee et al., “TFT Circuit Design Tool for Large Area Electronics,” COLAE Workshop 2014 (invited).

[C25] Arokia Nathan and Sungsik Lee, “Oxide TFT Circuit Building Blocks and Design Tools,” ITC 2014 (invited).

[C24] Arokia Nathan and Sungsik Lee, “Oxide Electronics for Imaging and Displays,” ESSCIRC 2013 (invited).

[C23] Arokia Nathan and Sungsik Lee, “Modeling Current-Voltage Behaviour in Oxide TFTs combining Trap-limited Conduction with Percolation,” IEEE CAD-TFT 2013 (invited).

[C22] Sungsik Lee, Yifan Yang, and Arokia Nathan, “Modeling Above-Threshold Current-Voltage Characteristics in Oxide TFTs for Display Pixel Circuits,” Digest of Technical papers, International Symposium, Display Week 2013, SID 2013, vol. 44, no. 1, pp. 22–25, June 2013.

[C21] Sungsik Lee, Sanghun Jeon, John Robertson, and Arokia Nathan, “How to AchieveIEDM Ultra High Photoconductive Gain for Transparent Oxide Semiconductor Image Sensors,” Technical Digest, IEEE International Electron Device Meeting (IEDM) 2012.

[C20] Sungsik Lee, John Robertson, and Arokia Nathan, “Challenges in Visible Wavelength Detection Using Optically Transparent Oxide Semiconductors,” Technical Digest, IEEE Sensors 2012, pp. 216 – 219, Oct. 2012 (invited).

[C19] Sungsik Lee, Arokia Nathan, John Robertson, Khashayar Ghaffarzadeh, Michael IEDMPepper, Sanghun Jeon, Changjung Kim, I-Hun Song, U-In Chung, and Kinam Kim, “Temperature Dependent Carrier Transport in Amorphous Oxide Field Effect Transistors,” Technical Digest, IEEE International Electron Device Meeting (IEDM) 2011, pp. 14.6.1 – 4, Dec. 2011.

[C18] Hanbin Ma, Ben Miller, Sungsik Lee, Arman Ahnood, Marius Bauza, William I. Milne and Arokia Nathan, “Amorphous Silicon Thin Film Transistor Biosensing System,” MRS Proceedings / Volume 1530 / 2013.

[C17] Sanghun Jeon, Seung-Eon Ahn, Ihun Song, Yongwoo Jeon, Young Kim, Sangwook IEDMKim, Hyunsik Choi, Hojung Kim, Eunha Lee, Sungsik Lee, Arokia Nathan, John Robertson, Changjung Kim, U-In Chung, Inkyung Yoo, and Kinam Kim “Dual Gate Photo-Thin Film Transistor with High Photoconductive Gain for High Reliability, and Low Noise Flat Panel Transparent Imager,” Technical Digest, IEEE International Electron Device Meeting (IEDM) 2011, pp. 14.3.1 – 4, Dec. 2011.

[C16] Sungsik Lee, John Robertson, and Arokia Nathan, “Trap-limited vs. Percolation Conductions in Oxide TFTs,” TCM (Transparent Conducting Materials) 2012.

[C15] Jun Yu, Kai Ying, David Hasko, Sungsik Lee, Arman Ahnood, W. I. Milne and Arokia Nathan, “Thin Film Coil Design Considerations for Wireless Power Transfer in Flat Panel Display,” MRS Proceedings / Volume 1388 / 2012.

[C14] Sungsik Lee, John Robertson, and Arokia Nathan, “Power Law Dependence of Field-Effect Mobility in Amorphous Oxide Semiconductor Thin Film Transistors,” E-MRS (European Material Research Society) Fall Meeting 2011.

[C13] Sungsik Lee, John Robertson, and Arokia Nathan, “Mobility in Amorphous-Oxide Semiconductor Thin Film Transistors Modeled Based on Trap-Limited and Percolation Conduction,” ITC (International Thin Film Transistor Conference) 2011.

[C12] Sungsik Lee et al., “A Bidirectional Readout Integrated Circuit (ROIC) with Capacitance-to-Time Conversion Operation for High Performance Capacitive MEMS Accelerometers,” IEEE Sensors 2007, pp.288 – 291, 28-31 Oct. 2007.

[C11] Sungsik Lee et al., “A Novel Self-Adaptive Photosensing Active-Pixel Structure with Tunable Sensitivity for High Performance CMOS Image Sensors,” IEEE Sensors 2006, pp.299 – 302.

[C10] Arokia Nathan and Sungsik Lee, “Compact Modeling and Parameter Extraction of Oxide Semiconductor TFTs,” IEEE CAD-TFT 2012 (invited).

[C9] A. Nathan and Sungsik Lee, “Amorphous Oxide Semiconductor TFTs for Displays and Imaging, ITC 2013 (invited).

[C8] A. Nathan and Sungsik Lee, “Amorphous Oxide TFTs: Progress and Issues,” SID (Society for Information Display) Symposium 2012 (invited).

[C7] Khashayar Ghaffarzadeh, Sungsik Lee, John Robertson, and Arokia Nathan, “Light-Bias Induced Instability and Persistent Photoconductivity in In-Zn-O/Ga-In-Zn-O Thin Film Transistors,” SID (Society for Information Display) Symposium 2011.

[C6] Khashayar Ghaffarzadeh, Sungsik Lee, John Robertson, and Arokia Nathan, “Persistent Photoconductivity in Oxide Semiconductor Thin Film Transistors,” E-MRS (European Material Research Society) Fall Meeting 2011.

[C5] Khashayar Ghaffarzadeh, Sungsik Lee, Arokia Nathan et al., “Light-Bias Induced Instability and Persistent Photoconductivity in Hf-In-Zn-O Thin Film Transistors,” ITC 2011.

[C4] Changhan Je and Sungsik Lee et al., “Z-axis capacitive MEMS accelerometer with moving ground masses,” IEEE Sensors 2010, pp. 653, 1-4 Nov. 2010.

[C3] Changhan Je and Sungsik Lee et al., “Sensitivity tunable capacitive type micro accelerometer,” IEEE Sensors 2008.

[C2] Myunglae Lee, Sungsik Lee et al., “Design, Fabrication, and Characterization of a Readout Integrated Circuit (ROIC) for Capacitive MEMS Sensors,” IEEE Sensors 2007, pp. 260 – 263, 28-31 Oct. 2007.

[C1] Kiwon Lee, Kwangui Ko, Sungsik Lee, and Kyounghoon Yang, “Improved DC and RF Performance of High Power AlGaN/GaN HEMTs with a Novel Inner Field-plate,” IEEE Asia-Pacific Microwave Conference (APMC) 2006.


US Patents

[P6] Sungsik Lee et al., “High resolution circuit for converting capacitance-to-time deviation,” US Patent 8638110 B2, Jan. 28 2014.

[P5] Sungsik Lee et al., “Bidirectional readout circuit for detecting direction and amplitude of Capacitive MEMS Accelerometers,” US Patent 7997137 B2, 2011.

[P4] Sungsik Lee et al., “Circuit for Calculating a Three-Dimensional Inclination Angle,” US Patent 8359758 B2, 2013.

[P3] M.-L. Lee, Sungsik Lee et al., “Micromachined sensor for measuring vibration,” US Patent 7975550 B2, 2011.

[P2] K. Yang, Sungsik Lee et al., “High Sensitivity and High Dynamic-Range CMOS Image Sensor Pixel Structure with Dynamic C-V Characteristics,” US Patent 7781719, 2010.

[P1] K. Yang, Sungsik Lee et al., “Gallium-Nitride High Electron Mobility Transistor (HEMT) Having Inner Field-Plate For High Power Applications,” US Patent 7696535, 2010.


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