Conference

2025

• Min Kang, Minsik Kong and Soo-Yeon Lee, "Indium Tin Oxide-based Transparent Electrode Memristor for Integrated Photonic Phase Modulation on Silicon Nitride Platforms", The 86th Japan Society of Applied Physics Autumn Meeting 2025 (JSAP 2025), Nagoya, Japan, September 2025 (Oral)

• Moonseok Jung and Soo-Yeon Lee, "a-IGZO TFT-Based Region-Selective Masking Scan Driver for Long Pulse Width", The 25th International Meeting on Information Display 2025 (IMID 2025), Busan, Korea, August 2025 (Poster)

• Saeru Cheon, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "Diode-connected TFTs for Suppressing Crosstalk Effect in SWEEP Generation Circuit for MicroLED Displays", The 25th International Meeting on Information Display 2025 (IMID 2025), Busan, Korea, August 2025 (Poster)

• Minji Kim, Chanjin Park, and Soo-Yeon Lee, "A Robust a-IGZO TFT based AMOLED Pixel Circuit under VTH, Subthreshold Swing and Mobility Variations", The 25th International Meeting on Information Display 2025 (IMID 2025), Busan, Korea, August 2025 (Oral)

• Ji-Hwan Park, Kyeong-Soo Kang, Saeru Cheon, and Soo-Yeon Lee, "A New Amorphous Indium-Gallium Zinc Oxide Thin-Film Transistor MicroLED Pixel Circuit for Constant and Uniform Driving Current", The 25th International Meeting on Information Display 2025 (IMID 2025), Busan, Korea, August 2025 (Poster)

• Yumin Yun, Chanjin Park, Junhyeong Park, and Soo-Yeon Lee, " A Low Power Integrate-and-Fire Neuron Circuit Using an a-IGZO-Based Thin-Film Transistor with an Inverter Transition Point Programming Method", IEEE International Symposium on Circuits and Systems (IEEE ISCAS 2025), London, UK, May 2025 (Poster)

• Chae-Hwan Park, Jaybum Kim, Kyeong-Soo Kang, Hyeon-Gu Kang, and Soo-Yeon Lee, "Micro-LED Pixel Circuit with A Novel NMOS-Oxide TFT Inverter for Reducing Falling Time and Enhancing Gray-Level Expression", SID Display Week 2025, San Jose, USA, May 2025 (Poster)

• Chanjin Park, Kyeong-Soo Kang, Yumin Yun, Saeru Cheon, and Soo-Yeon Lee, "4105-PPI LEDoS Pixel Circuit With an Analog Pulse-Width-Modulation Driving Method Employing a Dual-Sweep Signal for Wider Data Range", SID Display Week 2025, San Jose, USA, May 2025 (Oral)

• Junhyeong Park, Yumin Yun, Sunyeol Bae, Chae-Hwan Park, and Soo-Yeon Lee, "IGZO-Based Synaptic Transistors for Neuromorphic Applications", SID Display Week 2025, San Jose, USA, May 2025 (Invited)

• Seongyoon Shin, Jin Kyu Lee, Hyunjin Choi, Seong-In Cho, and Soo-Yeon Lee, "Insertion of Protective Layer for Enhancing Effect of N2O Plasma Treatment on NBS Stability in IGZO TFTs", The 32nd Korean Conference on Semiconductors (KCS 2025), Jeongseon, Korea, February 2025 (Oral)

• Sunyeol Bae, Junhyeong Park, Yumin Yun, and Soo-Yeon Lee, "Design Strategy of IGZO Flash Memory Device for Low Voltage Operation" The 32nd Korean Conference on Semiconductors (KCS 2025), Jeongseon, Korea, February 2025 (Poster)

• Seong-In Cho, Soobin An, and Soo-Yeon Lee, "Study of Positive Bias Stress Stability in Short Channel Oxide Thin-Film Transistors based on TCAD Simulation", The 32nd Korean Conference on Semiconductors (KCS 2025), Jeongseon, Korea, February 2025 (Poster)

• Chae-Hwan Park, Soobin An, Seungyoon Shin, Ji-Ho Lee, Hyeonjun Choi, and Soo-Yeon Lee, "고성능 디스플레이 화소 회로 설계를 위한 TFT 인버터 특성 비교", 1st Korean Meeting on Information Display (KMiD 2025), Gangneung, Korea, January 2025 (Poster)

• Min Kang, Minsik Kong, Seong Eun Kim, Seong-In Cho, Jin Kyu Lee, Sunyeol Bae, and Soo-Yeon Lee, "열처리 온도에 따른 ITO 박막의 광학적 특성 최적화와 광도파로 응용", 1st Korean Meeting on Information Display (KMiD 2025), Gangneung, Korea, January 2025 (Poster)

• Chanjin Park, Yumin Yun, Saeru Cheon, Junhyeong Park, Yuseong Jang, and Soo-Yeon Lee, "Analog Pulse-Width-Modulation 방식의 CMOS 기반 µLED 화소 회로", 1st Korean Meeting on Information Display (KMiD 2025), Gangneung, Korea, January 2025 (Oral)

• Minji Kim, Kyeong-Soo Kang, Ji-Hwan Park, Hyeon-Gu Kang, and Soo-Yeon Lee, "구동 트랜지스터의 문턱전압이하스윙 및 문턱전압 산포 보상이 가능한 a-IGZO TFT 기반의 AMOLED 화소회로", 1st Korean Meeting on Information Display (KMiD 2025), Gangneung, Korea, January 2025 (Oral)

2024

• Jaybum Kim, Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, Minji Kim and Soo-Yeon Lee, "Oxide TFT-Based Micro-LED Pixel Circuit Enhancing Low Gray Expression Through Continuous Piecewise Linear Sweep Signal", The 31st International Display Workshops (IDW 2024), Sapporo, Japan, December 2024 (Oral)

• Yuseong Jang and Soo-Yeon Lee, "Metal Oxynitride Semiconductor Prepared by Reactive Sputtering of Metal Oxide Target for Thin Film Devices", The 31th International Display Workshops (IDW 2024), Sapporo, Japan, December 2024 (Invited) 

• Minsik Kong and Soo-Yeon Lee, "Influence of Wet and Dry Etching on IGZO TFTs Focusing on Sidewall Conductance and Hump phenomenon",  The 31th International Display Workshops (IDW 2024), Sapporo, Japan, December 2024 (Poster)

• Ji-Hwan Park, Kyeong-Soo Kang, Chanjin Park, and Soo-Yeon Lee, "LTPO MicroLED Pixel Circuit for Highly Stable Driving Current with 6T1C Pulse Width Control Circuit Structure", The 31st International Display Workshops (IDW 2024), Sapporo, Japan, December 2024 (Oral) 

• Jinkyu Lee, Junhyeong Park, and Soo-Yeon Lee, "Optimization of Metal Capping Layer Design for Enhancing Mobility in IGZO TFTs", the Pacific Rim international meeting of The Electrochemical Society (ECS PRiME 2024), Honolulu, HI, USA, October 2024 (Poster)

• Yumin Yun, Junhyeong Park, Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "Design and Verification of an a-IGZO TFTs-based Neuron Circuit with Threshold Voltage Variation Compensation," the Pacific Rim international meeting of The Electrochemical Society (ECS PRiME 2024), Honolulu, HI, USA, October 2024 (Oral)

• Ji-Ho Lee, Ji-Hwan Park, Kyeong-Soo Kang, Chanjin Park, and Soo-Yeon Lee, "An a-IGZO TFT Based Pixel Circuit Suitable for Stable Operation Under AMOLED Impulsive Driving Dimming Scheme", the Pacific Rim international meeting of The Electrochemical Society (ECS PRiME 2024), Honolulu, HI, USA, October 2024 (Oral)

• Junhyeong Park, Yumin Yun, Sunyeol Bae, and Soo-Yeon Lee , "IGZO-Based Neuromorphic Devices and Their Application in Spiking Neural Networks", the Pacific Rim international meeting of The Electrochemical Society (ECS PRiME 2024), Honolulu, HI, October 2024 (Invited)

• Keyyoung Yang and Soo-Yeon Lee, "a-IGZO TFT Pixel Circuit Enhancing Low Gray Expression for Active-Matrix OLED Displays", The 24th International Meeting on Information Display 2024 (IMID 2024), Jeju, Korea, August 2024 (Poster)

• Ji-Hwan Park, Kyeong-Soo Kang, and Soo-Yeon Lee, "Amorphous Indium-Gallium Zinc Oxide Thin-Film Transistor MicroLED Pixel Circuit with Zero-VGS Inverter for Short Falling Time ", The 24th International Meeting on Information Display 2024 (IMID 2024), Jeju, Korea, August 2024 (Poster)

• Sunyeol Bae, Jinkyu Lee, and Soo-Yeon Lee, "Effect of Active Layer Thickness on Contact Properties of Ultra-Thin Channel Amorphous InGaZnO Thin Film Transistor with Ti Source/Drain Electrodes", The 24th International Meeting on Information Display 2024 (IMID 2024), Jeju, Korea, August 2024 (Oral)

• Chanjin Park, Kyeong-Soo Kang, Ji-Hwan Park, Soo-Yeon Lee, "a-IGZO TFT μLED Pixel Circuit for PWM Driving and Its Color Shift with Different Duty Ratios and Current Amplitudes", The 31th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD 24), Kyoto, Japan, July 2024 (Oral)

• Hyeon-Gu Kang, Chanjin Park, Kyeong-Soo Kang, and Soo-Yeon Lee, "Enhancing Low Gray Level Performance in OLED Displays Using Pre-Charging Structures", International Conference on Electro-physics & Information Technology Applications 2024 (ICEP-ITA 2024), Tashkent, Uzbekistan, June 2024 (Oral)

• Chae-hwan Park, Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, Soo-Yeon Lee, "μLED pixel circuit based on Low-Temperature Polysilicon and Oxide Thin Film Transistors for pulse width modulation with extremely short falling time", International Conference on Electro-physics & Information Technology Applications 2024 (ICEP-ITA 2024), Tashkent, Uzbekistan, June 2024 (Oral)

• Saeru Cheon, Chanjin Park, Kyeong-Soo Kang and Soo-Yeon Lee, "A Compact μLED Pixel Circuit for p-type only Low-Temperature Poly-Silicon Thin Film Transistor Backplane", International Conference on Electro-physics & Information Technology Applications 2024 (ICEP-ITA 2024), Tashkent, Uzbekistan, June 2024 (Oral)

• Minji Kim, Kyeong-Soo Knag, Ji-Hwan Park, Chanjin Park and Soo-Yeon Lee, "Compact AMOLED Pixel Circuit Employing Double-Gate TFT Achieving High Threshold Voltage Compensation Accuracy", SID Display Week, 2024, San Jose, USA, May 2024 (Poster)

• Seungyoon Shin, Yuseong Jang, Junhyeong Park, and Soo-Yeon Lee, "Memory Window and Endurance Improvement of In-Ga-Zn-O-Based Ferroelectric Thin Film Transistors by Inserting In-Ga-Zn-O Floating Gate", SID Display Week, 2024, San Jose, USA, May 2024 (Poster)

• Soobin An, Junhyeong Park, Jinkyu Lee, Yumin Yun, and Soo-Yeon Lee, "High Subthreshold Swing a-IGZO Driving TFTs Without Mobility Degradation for Low-Gray Level Image Quality Improvement in Active-Matrix OLED", SID Display Week 2024, San Jose, USA, May 2024 (Oral)

2023

• Yuseong Jang, Seong Yoon Shin, and Soo-Yeon Lee, "Metal Oxynitride Semiconductor for Ferroelectric HfZrOx Thin Film Devices", The 30th International Display Workshops (IDW 23), Niigata, Japan, December 2023 (Oral) 

• Kyeong-Soo Kang, and Soo-Yeon Lee, "Oxide TFT Pixel Circuits and Various Operation Methods for PWM MicroLED Displays", The 30th International Display Workshops (IDW 23), Niigata, Japan, December 2023 (Invited)

• Yumin Yun, Junhyeong Park, Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "An a-IGZO TFTs Based Neuron Circuit with Threshold Voltage Variation Compensation for Artificial Neural Network", The 30th International Display Workshops (IDW 23), Niigata, Japan, December 2023 (Oral)

• Minsik Kong, Jiyong Shim and Soo-Yeon Lee, "The Effect of the In2O3 Insertion Layer on HfO2/AlOX-Based Resistive Memory Characteristics",  The 30th International Display Workshops (IDW 23), Niigata, Japan, December 2023 (Poster)

• Jinsung Mok, Jin Kyu Lee, Yuseong Jang, Ji Ho Lee, and Soo-Yeon Lee, "Effect of Fluorine Plasma Treatment on IGZO TFT Stability According to the Channel Oxygen Vacancy Concentration", The 30th International Display Workshops (IDW 23), Niigata, Japan, December 2023 (Poster)

• Soobin An, Yumin Yun, Ji-Hwan Park, Ji-Ho Lee, Min Ji Kim, Seungyoon Shin, and Soo-Yeon Lee, "A Study on High Subthreshold Swing a-IGZO Driving TFTs to Enhance Low-Gray Level Image Quality in Active-Matrix OLED," International Conference on Electrical Engineering & Computing Convergence and Applications 2023 (ICEE-CCA 2023), Tashkent, Uzbekistan, August 2023 (Poster)

• Chanjin Park, Kyeong-Soo Kang, Ji-Hwan Park and Soo-Yeon Lee, "Just-Noticeable-Difference applicable for wide viewing distance range and extremely low luminance", The 23rd International Meeting on Information Display 2023 (IMID 2023), Busan, Korea, August 2023 (Poster)

• Junhyeong Park, Yuseong Jang, and Soo-Yeon Lee, "Effect of Annealing Temperature on In-Ga-Zn-O Charge Trap-Based Synaptic Transistor", The 23rd International Meeting on Information Display 2023 (IMID 2023), Busan, Korea, August 2023 (Poster)

• Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "A New Compact Progressive Emission MicroLED Pixel Circuit with Only Three Scan Signals", The 23rd International Meeting on Information Display 2023 (IMID 2023), Busan, Korea, August 2023 (Poster) 

• Ji-Hwan Park, Kyeong-Soo Kang, Chanjin Park and Soo-Yeon Lee, "A Compact a-IGZO TFT Pixel Circuit for Micro-LED Displays with Clamped-Inverter Structure", The 23rd International Meeting on Information Display 2023 (IMID 2023), Busan, Korea, August 2023 (Poster) 

• Ji-Ho Lee, Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "Multiple-Threshold-Voltage-Compensation During the Dimming Period to Stabilize the OLED Luminance at Low Gray Levels", The 30th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD 23), Kyoto, Japan, July 2023 (Oral)

• Soobin An, Chanjin Park, Yumin Yun, Ji-Hwan Park, Tae-Hyoung Moon, Jiyong Noh, Kwon-Shik Park, Yong-Sang Kim, and Soo-Yeon Lee, “High Subthreshold Swing a-IGZO Driving TFTs for Low-Gray Level Uniformity in Active-Matrix OLED,” The 30th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD 23), Kyoto, Japan, July 2023 (Poster)

• Ji-Hwan Park, Kyeong-Soo Kang, Jiho Lee, and Soo-Yeon Lee, "New a-IGZO TFT Pixel Circuit for High-Resolution Mobile AMOLED Display for Good Optical Uniformity at Low Gray Levels", SID Display Week 2023, Los Angeles, USA, May 2023 (Oral)

• Chanjin Park, Kyeong-Soo Kang, Ji-Hwan Park, and Soo-Yeon Lee, "Novel a-IGZO TFT Micro-LED Circuit with Improved Stability and Area Efficiency", SID Display Week 2023, Los Angeles, USA, May 2023 (Oral)

• Kyeong-Soo Kang, Ji-Hwan Park, Chanjin Park, and Soo-Yeon Lee, "A New Line-by-Line SWEEP Signal Generation Method for PWM Driving MicroLED TFT Pixel Circuit", SID Display Week 2023, Los Angeles, USA, May 2023 (Oral)

• Junhyeong Park, Yuseong Jang, Jinkyu Lee, and Soo-Yeon Lee, "In-Ga-Zn-O Synaptic Transistor with 1 μm Channel Length for Neuromorphic Computing", SID Display Week 2023, Los Angeles, USA, May 2023 (Oral)

2022

• Ji-Min Kang , Kyeong-Soo Kang , Ji-Hwan Park and Soo-Yeon Lee, "Double-gate AM-OLED Pixel Circuit Independent on TFT and OLED Vth Variation", The 21st International Meeting on Information Display 2021 (IMID 2021), Seoul/Online, Korea, August 2021 (Oral)