Welcome to MEDIS Lab. !
Recent news:
Wafer-scale alignment and integration of micro-light-emitting diodes using engineered van der Waals foreces
Silicone engineered anisotropic lithography for ultrahigh-density OLEDs
Metasurface Patch for Wireless Power Transfer in Implantable Devices
Welcome to MEDIS Lab. !
Recent news:
● November 2024
"Adaptive frequency driving scan driver based on a-InGaZnO TFTs for extremely low-power displays"
Jinho Moon, Hyunwoo Kim, Yongchan Kim, and Hojin Lee
Journal of the Society for Information Display, Nov. 2024
Congratulation!!
● October 2024
"Monolithic VOC Sensor Circuit Based on a-IGZO TFT"
Kyungmin Choi, Keun-Yeong Choi, and Hojin Lee
AMSM 2024, Incheon, KOREA
"Electromagnetic Energy Focusing Single-Layer Metasurface for Powering Small Unmanned Vehicle"
Wonwoo Lee, Kyungbin Cho, Sanghyun Park, and Hojin Lee
AMSM 2024, Incheon, KOREA
"Silicone-Integrated Photolithography for Ultra High-Resolution Organic Photodiodes in
Augumented/Virtual Reality Applications"
Ryungyu Lee, Keun-Yeong Choi, Hyukmin Kweon, Do Hwan Kim, and Hojin Lee
AMSM 2024, Incheon, KOREA
● August 2024
"Terahertz Chiral Metasurface Based on Kirigami Structure for Controlling Circular Dichroism"
Kyungbin Cho, Wonwoo Lee, and Hojin Lee
IMID 2024, Jeju, KOREA
"Enhanced Optoelectrical Properties of Organic Light-Emitting Diodes by ZnO Nanoparticles
Reacted with Organic Solvents"
Changhee Lee, Ryungyu Lee, Keun-Yeong Choi, and Hojin Lee
IMID 2024, Jeju, KOREA
Dongseok Kim, Hyunwoo Kim, Jinho Moon, Yogchan Kim, and Hojin Lee
IMID 2024, Jeju, Korea
"Novel Pixel Circuit Compensating for Sub-threshold Swing Variations and Threshold
Voltage Shifts of Depletion Mode a-IGZO TFT in AMOLED Displays"
Hyunwoo Kim, Jinho Moon, Yogchan Kim, and Hojin Lee
IMID 2024, Jeju, Korea
"Silicone-integrated Photolithography of Small-molecule Phosphorescent Emitter for
Ultrahigh-resolution Micro-OLEDs"
Ryungyu Lee, Keun-Yeong Choi, Hyukmin Kweon, Borina Ha, Changhee Lee, Soyeon Lee, Do Hwan Kim,
and Hojin Lee
IMID 2024, Jeju, KOREA
● July 2024
Hee jae Kang has joined our group.
Welcome!!
● May 2024
"Extreme Low Power a-InGaZnO TFT Scan Driver with Extra Clock Signal Modulation"
Hyunwoo Kim, Jinho Moon, Dongseok Kim, and Hojin Lee
SID Display Week 2024, Sam Jose, USA
"Silicone-integrated Photolithography of Small-molecule Phosphorescent Emitter for
Ultrahigh-resolution Micro-OLEDs"
Ryungyu Lee, Keun-Yeong Choi, Hyukmin Kweon, Borina Ha, Changhee Lee, Soyeon Lee, Seonkwon Kim,
Seunghan Lee, Hyobin Ham, Hayoung Lim, Moon-Ki Jeong, Gyurim Park, Joon Hak Oh, Moon Sung Kang,
Youngmin You, Jeong Ho Cho, BongSoo Kim, Do Hwan Kim, and Hojin Lee
SID Display Week 2024, Sam Jose, USA
● March 2024
Kyeongbin Lee has joined our group.
Welcome!!
● January 2024
Chaeyeon Park has joined our group.
Welcome!!
Yunjae Shin has joined our group.
Welcome!!
● December 2023
Sang Hyun Park has joined our group.
Welcome!!
● October 2023
"Ions-Silica Percolated Ionic Dielectric Elastomer Actuator for Soft Robots"
Hanbin Choi, Yongchan Kim, Seonho Kim, So Young Kim, Joo Sung Kim, Eseudeo Yun,
Hyukmin Kweon, Vipin Amoli, U. Hyeok Choi, Hojin Lee, Do Hwan Kim
Advanced Science, October 2023.
Congratulation!!
● August 2023
"Patch-Type Metasurface Based Wireless Power Transfer System for Bioimplantable Devices"
Wonwoo Lee, Semin Jo, and Hojin Lee
IMID 2023, Pusan, Korea
Won Best Paper Award Congratulation!!
"Ultra-High Resolution Organic Light-Emitting Diodes Combined with Plasmonic Nanomesh Electrodes"
Ryungyu Lee, Keun-Yeong Choi, and Hojin Lee
IMID 2023, Pusan, Korea
"Novel AM-OLED Pixel Circuit Compensating for Threshold Voltage Variations and Depletion Mode of a-IGZO TFT"
Hyunwoo Kim, Yogchan Kim, Jinho Moon, and Hojin Lee
IMID 2023, Pusan, Korea
"a-InGaZnO TFT Scan Driver for Extra Period Function with Compensating Depletion-mode"
Jinho Moon, Yongchan Kim, Hyunwoo Kim, and Hojin Lee
IMID 2023, Pusan, Korea
"Patch-Type Metasurface Based Wireless Power Transfer System for Bioimplantable Devices"
Wonwoo Lee, Semin Jo, and Hojin Lee
IMID 2023, Pusan, Korea
● June 2023
"Patch-Type Electromagnetic Wave Focusing Metasurface for Wireless Power Transfer
in Bio-Implantable Devices "
Wonwoo Lee, Semin Jo, and Hojin Lee
PIERS 2023, Prague, Czech
"Advancing Display Performance: Technological Research for Improvement "
Changhee Lee, Kyungmin Choi, Kyungbin Cho, and Hojin Lee
ITC-CSCC 2023, Jeju, Korea
"1K Silicon System-in-Package (SiP) Quantum Computing Laboratory"
MEDIS Lab. has selected by Basic Research Lab Support Project
Congratulation!!
● May 2023
"Ultra-high
Resolution Full-Color OLEDs Patterned by Photo-Lithography "
Ryungyu
Lee,
Keun-Yeong Choi, Hyukmin Kweon, Borina Ha
SID Display Week 2023, Los Angeles, USA
"An AMOLED Pixel Circuit Compensating for Variation of Sub-threshold
Swing
and Threshold Voltage Based on Double Gate a-IGZO TFTs "
Hyunwoo Kim, Yongchan Kim, and, Hojin Lee
SID Display Week 2023, Los Angeles, USA
"Metasurface Patch for Wireless Power Transfer in Implantable Devices"
Semin Jo, Wonwoo Lee, and Hojin Lee
Advanced Functional Materials, May 2023.
Congratulation!!
● April 2023
"Lithography-Free Fabrication of Terahertz Chiral Metamaterials and Their Chirality Enhancement for
Enantiomer Sensing"
Myonghoo Hwang, Semin Jo, Jae-Woo Baek, Wonwoo Lee, Kyung-Young Jung, Hojin Lee, and Bongjun Yeom
Advanced Optical Materials, April 2023.
Congratulation!!
● January 2023
"Wafer-scale alignment and integration of micro-light-emitting diodes using engineered van der Waals forces"
Junsik Hwang, Hyun-Joon Kim-Lee, Seog Woo Hong, Joon-Yong Park, Dong Kyun Kim, Dongho Kim,
Sanghoon Song, Jonghyun Jeong, Yongchan Kim, Min Jae Yeom, Min-chul Yu, Joosung Kim, Younghwan Park,
Dong-Chul Shin, Sungjin Kang, Jai-Kwang Shin, Yongsung Kim, Euijoon Yoon, Hojin Lee, Geonwook Yoo,
Jaewook Jeong & Kyungwook Hwang
Nature electronics, January 2023.
Congratulation!!
● December 2022
Kyung Bin Cho has joined our group.
Welcome!!
"Silicone engineered anisotropic lithography for ultrahigh-density OLEDs"
Hyukmin Kweon*, Keun-Yeong Choi*, Han Wool Park*, Ryungyu Lee, Ukjin Jeong, Min Jung Kim, Hyunmin Hong,
Borina Ha, Sein Lee, Jang-Yeon Kwon, Kwun-Bum Chung, Moon Sung Kang, Hojin Lee, and Do Hwan Kim
Nature communications, December. 2022
Congratulation!!
Kyung Min Choi has joined our group.
Welcome!!
● November 2022
Chang Hee Lee has joined our group.
Welcome!!
Dong Seok Kim has joined our group.
Welcome!!
● October 2022
"Wireless-Powered VOCs Sensor Based on Energy-Harvesting Metamaterial"
Wonwoo Lee, Heejoo Park, and Hojin Lee
AMSM 2022, Atlanta, USA
● September 2022
"Trans-Reflective Dual-Mode Teraherthz Spatial Light Modulator Using Electrically Tunable Metasurface"
Wonwoo Lee, and Hojin Lee
Metamaterials 2022, Siena, Italy
● August 2022
"Ultra-High Resolution Organic Light-Emitting Diodes Based on Plasmonic Patterned Nanograting Array"
Ryungyu Lee, Keun-Yeong Choi, and Hojin Lee
IMID 2022, Pusan, Korea
"Monilithic Circuit Integrated with VOC Sensor Based on a-IGZO TFT"
Eseudeo Yun, Yongchan Kim, Hanbin Choi Do Hwan Kim, and Hojin Lee
IMID 2022, Pusan, Korea
"Novel AMOLED Pixel Circuit Compensating for Variations in Sub-Threshold Swing
and Threshold Voltage of a-IGZO Thin-Film Transistors"
Hyunwoo Kim, Yongchan Kim, and Hojin Lee
IMID 2022, Pusan, Korea
"Adaptive Frequency Driving Scan Driver Combined with Logic Circuit based on a-InGaZnO TFTs"
Jinho Moon, Eseudeo Yun, Yongchan Kim, and Hojin Lee
IMID 2022, Pusan, Korea
● July 2022
"Broadband metasurface superstrate for polarization-independent wave focusing and gain enhancement
at Ka-band"
Kanghyeok Lee, Ha Young Hong, Wonwoo Lee, Semin Jo, Hong Soo Park, Junhyuk Yang, Changkun Park,
Hojin Lee, and Sun K. Hong
Scientific Report, July. 2022
Congratulation!!
● July 2022
"A Fully-Integrated Ka-Band CMOS Rectifier Using Large Signal Analysis for Wireless Power Transfer"
Junhyuk Yang, Seonhye Jang,
Hong Soo Park , Kanghyeok Lee , Ha Young
Hong , Wonwoo Lee, Semin Jo,
Sun K. Hong , Hojin Lee , and Changkun Park
IEEE Microwave and Wireless Components Letters, July. 2022
Congratulation!!
● June 2022
"Two-Color Strip-Patterned White OLEDs: Tunable Color-Tempearature via Pattern Dimension Control"
Dongheon Han, Myeongjae
Lee, Wooik Jang, Seunghan Lee, Jeehey Yang, Hyunwoo Jo, Hojin Lee, Kyungwon
Kwak,
BongSoo Kim, and Moon Sung Kang
Advanced Optical Materials, June. 2022
Congratulation!!
● May 2022
"Patch-Type Wireless Power Transfer System Based on Electromagnetic Wave Focusing Metasurface for Bioimplantable Devices"
Semin Jo, Wonwoo Lee, and , Hojin Lee
CLEO 2022, Sam Jose, USA
● May 2022
"Transmission-Reflection Terahertz Spatial Light Modulator Using Electrically Tunable Dual-Mode Metamaterial"
Wonwoo Lee, Hyunwoo Jo, Moon Sung Kang, and , Hojin Lee
CLEO 2022, Sam Jose, USA
● May 2022
"Low-Power a-IGZO TFT Shift Register Featuring i-PUA Gate Dielectric"
Eseudeo Yun, Yongchan Kim, Hanbin Choi, Dukhyun Choi, Do Hwan Kim, and, Hojin Lee
SID Display Week 2022, Sam Jose, USA
● May 2022
"Adaptive Frequency Driving Scan Driver with NOR Logic Gate Based on a-InGaZnO TFTs"
Jinho Moon, Eseudeo Yun, Yongchan Kim, and Hojin Lee
SID Display Week 2022, Sam Jose, USA
● April 2022
"Reconfigurable Molecularization of Terahertz Meta-Atoms"
Hyunseung Jung, Hyunwoo Jo, Wonwoo Lee, Moon Sung Kang, and Hojin Lee
ACS Photonics, April. 2022
Congratulation!!
● March 2022
"Single-Layer Phase Gradient mmWave Metasurface for Incident Angle Independent Focusing"
Wonwoo Lee, Semin Jo, Kanghyeok Lee, Hong Soo Park, Junhyuk Yang, Ha Young Hong, Changkun Park, Sun K. Hong and Hojin Lee
Placed as one of the top 100 downloaded(10th place) materials science papers for Scientific Reports in 2021.
Congratulation!!
● December 2021
Seungchae Jung has joined our group.
Welcome!!
● November 2021
"Interference-Free, Multimodal Electronic Skin Matrix with Low-Power, Monolithic Integrated Circuits"
Changhyeon Cho, Hanbin Choi, Yongchan Kim, Heejoo Park, Dong Jun Kim, Do Hwan Kim, and Hojin Lee
Advanced Materials Technologies, November. 2021
Congratulation!!
● July 2021
"Electromagnetic Wave Focusing Metasurface based Novel Wireless Power Transfer System for Bio-Implantable Device"
Semin Jo, Wonwoo Lee, and Hojin Lee
KIEEME 2021, Pyeongchang, Korea
Won Best Paper Award Congratulation!!
● July 2021
"Low-Power Capacitive Pressure Sensor Circuit Based on Coplanar a-IGZO TFTs Using Photo-Patternable Ionic Polymer Gate Dielectric"
Heejoo Park, Yongchan Kim, Changhyeon Cho, and Hojin Lee
KIEEME 2021, Pyeongchang, Korea
Won Best Paper Award Congratulation!!
● June 2021
"Design of Orthogonal Polymer Semiconductor Gels for High Physical and Chemical Resistance"
Ryungyu Lee, Keun-Yeong Choi, Han Wool Park, and Do Hwan Kim, Hojin Lee
KIEEME 2021, Pyeongchang, Korea
● June 2021
"Electromagnetic Wave Focusing Metasurface based Novel Wireless Power Transfer System for Bio-Implantable Device"
Semin Jo, Wonwoo Lee, and Hojin Lee
KIEEME 2021, Pyeongchang, Korea
● June 2021
"Low-Power Capacitive Pressure Sensor Circuit Based on Coplanar a-IGZO TFTs Using Photo-Patternable Ionic Polymer Gate Dielectric"
Heejoo Park, Yongchan Kim, Changhyeon Cho, and Hojin Lee
KIEEME 2021, Pyeongchang, Korea
● June 2021
"Wireless-Powered VOCs Sensor Based on Energy-Harvesting Metamaterial"
Hojin Lee
KIEEME 2021, Pyeongchang, Korea
● June 2021
"Single-Layer Phase Gradient mmWave Metasurface for Incident Angle Independent Focusing"
Wonwoo Lee, Semin Jo, Kanghyeok Lee, Hong Soo Park, Junhyuk Yang, Ha Young Hong, Changkun Park, Sun K. Hong and Hojin Lee
Scientific Reports, June. 2021
Congratulation!!
● May 2021
"Wireless-Powered VOCs Sensor Based on Energy-Harvesting Metamaterial"
Wonwoo Lee, Heejoo Park, So Young Kim, Sung-Min Park, Do Hwan Kim, and Hojin Lee
Advanced Electronic Materials, Mar. 2021
The paper has been highlighted as a Inside Front Cover.
Congratulation!!
● April 2021
"Hydrogel Surface-Modified Polyurethane Copolymer Film with Water Permeation Resistance
and Biocompatibility for Implantable Biomedical Devices"
Hey In Jeong, Dae Hyeok An, Jun Woo Lim, Taehoon Oh, Hojin Lee, Sung-Min Park, Jae Hyun Jeong, and Jae Woo Chung
Micromachines, Apr. 2021
Congratulation!!
● March 2021
"Wireless-Powered VOCs Sensor Based on Energy-Harvesting Metamaterial"
Wonwoo Lee, Heejoo Park, So Young Kim, Sung-Min Park, Do Hwan Kim, and Hojin Lee
Advanced Electronic Materials, Mar. 2021
Congratulation!!
● March 2021
"Ionically Connected Floating Electrodes for Long-Distance (>1 mm) Coplanar-Gating Graphene Transistors"
Hyunwoo Jo, Wonwoo Lee, Hyunseung Jung, Dong Mok Park, Hojin Lee, and Moon Sung Kang
ACS Applied Materials & Interfaces, Mar. 2021
Congratulation!!
● February 2021
"2000 PPI Full-Color Organic Light Emitting Diodes Using Photolithographic Patterned Polymer Semiconductor Gels"
Keun-Yeong Choi, Han Wool Park, and Ryun Gyu Lee
The 27th HumanTech Paper Award, Samsung, Feb. 2021
The Paper has been awarded a Silver Prize
Congratulation!!
● January 2021
Hyunwoo Kim has joined our group.
Welcome!!
● August 2020
"Wi-Fi Energy-Harvesting Metamaterial and Ionic Polymer Based Wireless VOCs Sensor System"
Wonwoo Lee, Heejoo Park, Junho Kim, Sung-Min Park, and Hojin Lee
KIEES 2020, Jeju Island, Korea
● August 2020
"Polarization Selective Color Filter Based on Plasmonic Nanograting Embedded Etalon Structures"
Yonghee Jung, Hyunseung Jung, Hyunyong Choi, and, Hojin Lee
Nano Letters, Aug. 2020
Congratulation!!
● July 2020
"Metamaterial based Wireless Power Transfer System for Neuro Stimulator"
Semin Jo, Wonwoo Lee, and Hojin Lee
KIEEME 2020, Pyeongchang, Korea
● June 2020
Ryungyu Lee has joined our group.
Welcome!!
● June 2020
Esther Yun has joined our group.
Welcome!!
● March 2020
"High Aperture Efficiency Array Antenna for Wireless Power Transfer Applications".
Eunjung Kang, Jun Hur, Chulhun Seo, Hojin Lee, Hosung Choo
Energies, Mar. 2020
Congratulation!!
● February 2020
Jinho Moon has joined our group.
Welcome!!
● February 2020
"Wireless-Powered VOC Sensor based on Wi-Fi Energy-Harvesting Met amaterial with i-TPU"
Heejoo Park, Wonwoo Lee, Hyunseung Jung, So Young Kim, Do Hwan Kim, and Hojin Lee
SPIE Photonics West 2020, San Francisco, USA
● February 2020
"Polarization Independent Flat Metasurface Lens for Millimeter-Wave Beam Focusing"
Wonwoo Lee, Semin Jo, Kanghyeok Lee, Hong Soo Park, Junhyuk Yang, Changkun Park,
Sun K. Hong and Hojin Lee
SPIE Photonics West 2020, San Francisco, USA
● February 2020
"Tandem structured 3-color micro-polymer light-emitting diodes (μ-PLEDs)"
Keun-Yeong Choi, Han Wool Park, Do Hwan kim, and Hojin Lee
SPIE Photonics West 2020, San Francisco, USA
● February 2020
"Active Capacitive Sensor Circuit Using Photo-Patternable Ionic Polymer Gate Dielectric
Based Solution-Processed Coplanar a-InGaZnO TFTs"
Changhyeon Cho, Yongchan Kim, So Young Kim, Do Hwan Kim, and Hojin Lee
SPIE Photonics West 2020, San Francisco, USA
● February 2020
"High-Performance Ionic Polymer Mechanotransducer for Soft Tactile Feedback"
Yongchan Kim, Changhyeon Cho, So Young Kim, Hanbin Choi, Do Hwan Kim, and Hojin Lee
SPIE Photonics West 2020, San Francisco, USA
● October 2019
"Wireless Powered VOC Sensor Based on Wi Fi Energy Harvesting Metamaterial with i-TPU"
Wonwoo Lee, Heejoo Park, Hyunseung Jung, So Young, Kim, Do Hwan Kim, and Hojin Lee
AMSM 2019, Incheon, Korea
● August 2019
"Active pixel sensor circuit using photo-patternable ionic PUA based coplanar a-InGaZnO TFTs"
Changhyeon Cho, Yongchan Kim, So Young, Kim, Do Hwan Kim, and Hojin Lee
IMID 2019, Gyeongju, Korea, August 2019.
● August 2019
"Shift Register Circuit Based on Coplanar a-InGaZnO Thin Film Transistors with
Photo-Patterned Ionic-Polymer Gate Dielectric"
Yongchan Kim, Changhyeon Cho, So Young, Kim, Do Hwan Kim, and Hojin Lee
IMID 2019, Gyeongju, Korea, August 2019.
● August 2019
"Micropatterned polymer light-emitting diodes (μ-PLEDs) based on Orthogonal
Polymer Semiconductors"
Kyun-Yeong Choi, Han Wool Park, Do Hwan Kim, and Hojin Lee
IMID 2019, Gyeongju, Korea, August 2019.
Won Best Paper Award Congratulation!!
● July 2019
"Selectively reconfigurable molecularization of terahertz meta-atoms"
Hyunseung Jung, Hyunwoo Jo, Wonwoo Lee, Moon Sung Kang, and Hojin Lee
META 2019, Lisbon, Portugal, July 2019.
● July 2019
"A Deformable Ionic Polymer Artificial Mechanotransducer with an Interpenetrating Nanofibrillar Network"
So Young Kim, Yongchan Kim, Changhyeon Cho, Hanbin Choi, Han Wool Park, Dayoon Lee, Eunah Heo,
Sangsik Park, Hojin Lee, and Do Hwan Kim
ACS Applied Materials & Interfaces, Jul. 2019
Congratulation!!
● July 2019
"Ultralow Voltage Driving Circuits Based on Coplanar a-InGaZnO TFTs with
Photopatternable Ionic Polymer Gate Dielectric"
Dayoon Lee, Yongchan Kim, So Young Kim Do Hwan Kim, and Hojin Lee
Advanced Electronic Materials, Jul. 2019
Congratulation!!
● July 2019
"Organic Electronics: Universal Route to Impart Orthogonality to Polymer Semiconductors for
Sub-Micrometer Tandem Electronics"
Han Wool Park, Keun-Yeong Choi, Jihye Shin, Boseok Kang, Haejung Hwang, Shinyoung Choi, Aeran Song, Jaehee Kim,
Hyukmin Kweon, Seunghan Kim, Kwun-Bum Chung, Bongsoo Kim, Kilwon Cho, Soon-Ki Kwon, Yun-Hi Kim, Moon Sung Kang,
Hojin Lee, and Do Hwan Kim
Advanced Materials, Vol. 31, Jul. 2019
The paper has been highlighted as a Inside Back Cover.
Congratulation!!
● May 2019
"Terahertz Single-Pixel Imaging System with Electrically Tunable
Matamaterial Spatial Light Modulator"
Wonwoo Lee, Hyunseung Jung, Hyunwoo Jo, Moon Sung Kang, and Hojin Lee
CLEO 2019, San Jose, USA, May 2019.
● January 2019
"Wireless Powered Chemical Sensor by 2.4 GHz Wi-Fi Energy-Harvesting Metamaterial"
Wonwoo Lee, Yonghee Jung, Hyunseung Jung, Chulhun Seo, Hosung Choo, and
Micromachines, Vol. 10, Jan. 2019
Congratulation!!
● December 2018
"Electrical Control of Electromagnetically Induced Transparency by Terahertz Metamaterial Funneling"
Hyunseung Jung, Hyunwoo Jo, Wonwoo Lee, Moon Sung Kang, and Hojin Lee
Advanced Optical Materials, Vol. 7, Dec. 2018
The paper has been highlighted as a Front Cover.
Congratulation!!
● November 2018
Semin Jo has joined our group.
Welcome!!
● August 2018
"Coplanar a-InGaZnO Thin Film Transistors with Photo-Patterned
Ionic-Polymer Gate Dielectric"
Dayoon Lee, Yongchan Kim, and Hojin Lee
IMID 2018, Busan, Korea, Aug. 2018.
● August 2018
"Tandem structured 2-color micro-polymer light-emitting diodes (μ-PLEDs)"
Keun-Yeong Choi, Han Wool Park, Do Hwan Kim, and Hojin Lee
IMID 2018, Busan, Korea, Aug. 2018.
● August 2018
"High-Speed Electroactive Polymer Actuator for Artificial Muscle"
Yongchan Kim, So Young Kim, Dayoon Lee, Eunsong Ji, Do Hwan Kim, and Hojin Lee
IMID 2018, Busan, Korea, Aug. 2018.
● August 2018
"Tandem structured 2-color micro-polymer light-emitting diodes (μ-PLEDs)"
Keun-Yeong Choi, Han Wool Park, Do Hwan Kim, and Hojin Lee
2018 SPIE Optics+Photonics, San Diego, United States, Aug. 2018.
● August 2018
"Electrically controlled terahertz funneling for electromagnetically
induced transparency analogue"
Hyunseung Jung, Hyunwoo Jo, Wonwoo Lee, Moon Sung Kang, and Hojin Lee
2018 SPIE Optics+Photonics, San Diego, United States, Aug. 2018.
● July 2018
Heejoo Park has joined our group.
Welcome!!
● June 2018
"Electrically Controllable Molecularization of Terahertz Meta-Atoms"
Hyunseung Jung, Jaemok Koo, Eunah Heo, Boeun Cho, Chihun In, Wonwoo Lee, Hyunwoo Jo,
Hyunyong Choi, Moon Sung Kang, and Hojin Lee
Advanced Materials, Vol. 30, 1802760, June. 2018.
The paper has been highlighted as a Cover Picture.
Congratulation!!
● May 2018
" Electrically Controllable Reconfiguration of Terahertz Meta-Atoms into Meta-Molecules"
Hyunseung Jung, Jaemok Koo, Wonwoo Lee, Moon Sung Kang, and Hojin Lee
CLEO: 2018, San Jose, California, USA, May. 2018.
● April 2018
" A Solution-Processed Operational Amplifier Using Direct Light-Patterned a-InGaZnO TFTs"
Daejung Kim, Yongchan Kim, Keun Young Choi, Dayoon Lee, and Hojin Lee
IEEE Transactions on Electron Devices, Vol. 65, pp. 1796 - 1802, Apr. 2018.
Congratulation!!
● January 2018
"Control over Electron-Phonon Interaction by Dirac Plasmon Engineering
in the Bi2Se3Topological Insulator"
Chihun In, Sangwan Sim, Beon Kim, Hyemin Bae, Hyunseung Jung, Woosun Jang, Myungwoo Son,
Jisoo Moon, Maryam Salehi, Seung Young Seo, Aloysius Soon, Moon-Ho Ham,
Hojin Lee, Seongshik Oh, Dohun Kim, Moon-Ho Jo, and Hyunyong Choi.
Nano Letters, Vol. 18, pp. 734-739, Jan. 2018.
Congratulation!!
● January 2018
"Energy-harvesting Metamaterial based Wireless Chemical Sensor System"
Wonwoo Lee, Yonghee Jung, Hyunseung Jung, and Hojin Lee
2018 SPIE Photonics West, San Francisco, California, USA, Jan. 2018.
● January 2018
"Solution-Processed Coplanar a-InGaZnO Thin Film Transistor with Photo-Patterned Ionic-Polymer Gate Dielectric"
Dayoon Lee, Yongchan Kim, and Hojin Lee
2018 SPIE Photonics West, San Francisco, California, USA, Jan. 2018.
● August 2017
"Solution-Processed a-InGaZnO Thin Film Transistor Based Operational Amplifier for the Flexible Display Driving System"
Yongchan Kim, Daejung Kim, Keun-Yeong Choi, Dayoon Lee, and Hojin Lee
2017 IMID, Busan, Korea, Aug. 2017.
● August 2017
"Electrically recongifurable terahertz meta-molecules"
Hyunseung Jung, Wonwoo Lee, Chihun In, Moon Sung Kang and Hojin Lee
2017 META, Incheon, Korea, Aug. 2017.
Won Best Paper Award Congratulation!!
● June 2017
"High Resolution a-IGZO TFT Pixel Circuit for Compensating Threshold Voltage Shifts and OLED Degradations"
Daejung Kim, Yongchan Kim, and Hojin Lee
Journal of the Electron Devices Society, Vol. 5, pp.372 - 377, June. 2017.
Congratulation!!
● May 2017
Changhyeon Cho have joined our group.
Welcome!!
● February 2017
Juhee Lee, Yuseong Gim, Jeehye Yang, Hyunwoo Jo, Jaehun Han,
Hojin Lee, Do Hwan Kim, Wansoo Huh, Heong Ho Cho, and Moon Sung Kang
Journal of Physical Chemistry C, Vol. 121, pp. 5436-5443, Feb. 2018.
Congratulation!!
● February 2017
"A Wearable Textile Antenna for Wireless Power Transfer by Magnetic Resonance"
Eunah Heo, Keun-Yeong Choi, and Hojin Lee
Textile Research Journal, Vol. 00, pp.1 - 9, Feb. 2017.
Congratulation!!
● February 2017
"Wireless Chemical Sensor System based on Electromagnetically Energy-Harvesting Metamaterials"
Wonwoo Lee, Yonghee Jung, Hyunseung Jung, and Hojin Lee
2017 SPIE Photonics West, San Francisco, California, USA, Feb. 2017.
● February 2017
"Polarization dependent resonance manipulation by terahertz meta-molecules"
Hyunseung Jung, Eunah Heo, and Hojin Lee
2017 SPIE Photonics West, San Francisco, California, USA, Feb. 2017.
● November 2016
"High-Speed Electroactive Polymer Actuator Engineered by Microstructured Ion Channel for Artificial Muscle"
Eunah Heo, Yongchan Kim, and Hojin Lee
2016 MRS Fall Meetings, Boston, Massachusetts, USA, Nov. 2016.
● June 2016
"Focusing of Terahertz Waves by Self-Complementaryt "Meta-Atoms toward Electromagnetically Induced Transparency"
Hyunseung Jung and Hojin Lee
2016 CLEO: 2016, San Jose, California, USA, June 2016.
● April 2016
"Electromagnetically Induced Transparency Analogue by Self-Complementary Terahertz Meta-Atom"
Hyunseung Jung, Chihun In, Hyunyong Choi, and Hojin Lee
Advanced Optical Materials, Vol. 4, pp.627 - 633, Apr. 2016.
The paper has been highlighted as a Cover Picture.
Congratulation!!
● April 2016
Prof. Lee received a research fund from "Samsung Funding Center for Future Technology' in collaboration with Prof. Kang and Prof. Choi
"능동형 테라헤르츠 메타물질 원자의 분자화 제어 기술"
Congratulation!!
● November 2015
" Photolithography-Adaptive Organic Semiconductors for High-Resolution Flexible Tandem Electronics"
Keun-Yeong Choi, and Hojin Lee
2015 MRS Fall Meetings, Boston, Massachusetts, USA, Nov. 2015.
● November 2015
2015 Joint Workshop for Driving technologies,
Korea Display Industry Association
Chuncheon-si, Gangwon-do, Korea
● August2015
"Novel Operational Amplifier Based on a-InGaZnO TFTs for the Display Driving System"
Yongchan Kim, Keun-Yeong Choi, Kichan Kim, and Hojin Lee
recieve the 2015 IMID poster award!
Congratulation!!
● June 2015
Dayoon Lee have joined our group.
Welcome!!
● June 2015
Wonwoo Lee have joined our group.
Welcome!!
● May 2015
Prof. Lee has been appointed as a Editorial board member of Scientific Reports (Electronics, Photonics and Device Physic)
Scientific Reports publish scientifically valid primary research from all areas of the natural sciences.
Congratulation!!
● April 2015
Prof. Lee received a research fund from "Samsung Funding Center for Future Technology' in collaboration with Prof. Kim and Prof. Kang
"초 고해상도 탠덤형 광전자/에너지 플랫폼을 위한 orthogonal 유기반도체 겔 변환 기술"
Congratulation!!
● April 2015
"Babinet Crosslink Meta-Atoms for Novel Electromagnetic Induced Transparency Analogue"
Hyunseung Jung, and Hojin Lee
2015 MRS Spring Meetings, San Francisco, California, USA, Apr. 2015.
Yonghee Jung have joined our group.
Welcome!!
● February 2015
"a-InGaZnO Thin Film Transistor Based Operational Amplifier for an Adaptive DC-DC Converter in Display Driving Systems"
Kichan Kim, Keun-Yeong Choi, and Hojin Lee
IEEE Transaction on Electron Devices, Feb. 2015.
Congratulation!!
● February 2015
"Independently Alterable Synthetic Multispectral Metamaterial Filter Based on Etalon Structure"
Heyoung Kang, Hyunseung Jung, and Hojin Lee
Advamced Optical Materials, Feb. 2015.
Congratulation!!
● December 2014
"A Novel p-Type LTPS TFT Pixel Circuit Compensating for Threshold Voltage and Mobility Variations"
Yeonkyung Kim, Yongchan Kim, and Hojin Lee
Journal of Display Technology, Vol. 10, pp.995 - 1000, Dec. 2014.
Congratulation!!
● October 2014
“A Taper Angle Control Technique Using Thin-Film Layer Stiction Phenomenon”
Youngseok Kim, Eunah Heo, and Hojin Lee
Thin Solid films, Vol. 571, pp. 187-193, Oct. 2014.
Congratulation!!
● September 2014
" Synthetic Multi-Spectral Material Filter based on Terahertz Metamaterial Combined with Thin-Film Etalon Structure"
Heyoung Kang, Hyunseung Jung, and Hojin Lee
SSDM 2014, Tsukuba, Japan, Sep. 2014.
● August 2014
"A Novel a-IGZO Pixel Circuit for AMOLEDs with Source Data Input"
Daejung Kim, Yongchan Kim, Yeonkyung Kim, Heyoung Kang, and Hojin Lee
IMID 2014, Daegu, Korea, Aug. 2014.
● August 2014
"Anisotropy modeling of polarization dependent terahertz metamaterials"
Hyunseung Jung and Hojin Lee
SPIE Optics and Photonics 2014, San Diego, USA, Aug. 2014.
● August 2014
We had a 2nd Intra-Joint Workshop 2014.
2nd Intra-Joint Workshop 2014, Soongsil University, Aug. 2014.
Participate in :
Prof. Hojin Lee's Lab. (MEMS Display and Sensor Lab.) - Department of Electronic Engineering
Prof. Dong Ryeol Lee's Lab. (Interface Charge and Spin Physics Lab.) - Department of Physics
Prof. Moon Sung Kang's Lab. (Future Electronic Materials Lab.) - Department of Chemical Engineering
Prof. Ik-Soo Shin's Lab. (Electrochemistry Lab.) - Department of Chemistry
Prof. Do Hwan Kim's Lab. (Frontier Nanomaterials and Devices Lab.) - Department of Organic Materials and Fiber Engineering
"Anisotropy modeling of terahertz metamaterials: polarization dependent resonance manipulation by meta-atom cluster"
Hyunseung Jung, Chihun In, Hyunyong Choi, and Hojin Lee
Scientific Reports, Vol. 4, p. 5217, June 2014.
Congratulation!!
● June 2014
"a-IGZO TFT Based Operational Amplifier and Comparator Circuits for the Adaptive DC-DC Converter"
Kichan Kim, Keun-Yeoung Choi, Dong-Hyuk Choi, and Hojin Lee
SID International Symposium 2014, San Diego, USA, Jun. 2014.
● May 2014
"An a-InGaZnO TFT Pixel Circuit Compensating Threshold Voltage and Mobility Variations in AMOLEDs"
Yongchan Kim, Jerzy Kanicki, and Hojin Lee
Journal of Display Technology, Vol. 10, pp. 402-406, May 2014.
Congratulation!!
● February 2014
“Frequency tunable terahertz filter based on dual layered split-ring resonator array”
Hyunseung Jung and Hojin Lee
Japanese Journal of Applied Physics, Vol. 53, pp. 04EG01, Feb. 2014.
Congratulation!!
● January 2014
"A Novel a-InGaZnO TFT Pixel Circuit for AMOLED Display With the Enhanced Reliability and Aperture Ratio"
Yeonkyung Kim, Yongchan Kim, and Hojin Lee
Journal of Display Technology, Vol. 10, pp.80 - 83, Jan. 2014.
Congratulation!!