2007~Present Honorary Scholar Professor of Hanyang University
2006~Present Member of the Korean Academy of Science and Technology
2004~2016 Head Professor of Electronic Engineering at Hanyang University Graduate School of Engineering
2003~Present Professor of Department of Electronic Engineering at Hanyang University College of Engineering
1989~2003 Professor of Department of Electrical and Biological Physics at Kwangwoon University
1982~1988 Doctor of Science in Physics at State University of New York at Buffalo
1980~1981 Master of Science in Physics at Seoul National University
1975~1979 Bachelor of Science in Physics at Kyungpook National University
Research Topics
Research on the development and source technology of the Memristive device
Research on production and performance enhancement of Memory device
Production, performance enhancement, and network formation of flexible memristor and flexible artificial synaptic device for the realization of AI Hardware
Research on the development and the source technology of the high-efficiency organic light-emitting device
Research on production and performance enhancement of fabric-based flexible/wearable organic light-emitting device
Research on production and performance enhancement of graphene-based light-emitting diode
Research on production and performance enhancement of energy harvesting device
Research on source technology for the performance enhancement of flexible high-efficiency solar cell device
Research on core technology for the development and performance enhancement of flexible/wearable nanogenerator
“Capsule triboelectric nanogenerators: Toward optional 3D integration for high output and efficiently energy harvesting from broadband-amplitude vibration”, ACS Nano, 2018 https://pubs.acs.org/doi/abs/10.1021/acsnano.8b03824
“Analysis on leakage current characteristic of Ⅲ-Ⅴ Compound Semiconductor Device” (2010~2015)
“Development of trap model and electrical transport in nitride for improving dispersion and retention characteristics, electrical transport in polycrystalline channels of VNAND memory devices” (2015-2020)
Industry Research / SK Hynix
“Development of Dark Current Prediction Model and System for Pixel Structural Change” (2014-2016)
“Theoretical Analysis on HC40 Local Layout Effect and Development of Analytical Model” (2018-2020)
Industry Research / LG Display
“A Study on the Side Current Leakage Mechanism for High-resolution OLED Production” (2016-2017)
Technology transfer
Equity transfer in seven other cases, in addition to “Design of Multiple Bit Charge Capture Flash Memory Devices with Seperate Gates Using Improved Saddle Structure”. (Contract date: September 1, 2008)
Equity transfer of “Electronic Devices Including Graphical Thin Film and One Other Manufacturing Method” to Samsung Electronics Co. (Contract date: March 11, 2010)
“56 Cases Other than Organic Light-emitting Diodes with Internal High-polymerized Polymers Containing Quantum Dots” are sold to the Intellectual Discovery Co. (Contract date: May 28, 2013)
Equity transfer of “Temperature Sensors and 4 Other Manufacturing Methods” to LG Display Co. (Contract date: August 1, 2015)