2003 Gwangju Institute of Science and Technology (GIST), Dept. of Materials Sci. and Eng., Ph.D.

1999 Gwangju Institute of Science and Technology (GIST), Dept. of Materials Sci. and Eng., M.S.

1997 Sungkyunkwan University, Dept. of Metallurgical Engineering, B.S.

2009.2 ~ present : Kyung Hee university, Professor

2005.9 ~ 2009 .1 : Kumoh National Institute of Technology, Professor

2003.8 ~ 2005. 8 : Samsung SDI, Core Technology Laboratory, Principle Researcher

2002.5 ~ 2003. 4 : Illinois University at Urbana Champaign (UIUC), Visiting researcher

2007~ : Memeber of Korea Metal and Materials Society

2007~ : Member of Korea vacuum society

2006~ : Memeber of polymer society of Korea

2006~ : Member of Korea Materials Research Society

2004~ : Member of American Vacuum Society

2000~ : Member of Electrochemical Society

2003~ : Member of The Korean Institute of Electrical and Electronic Materials Engineering

2004~ : Member of Society for Information Display (SID)

Organic Light Emitting Diodes (OLEDs)

Organic TFT and Organic Solar Cell

Soft Electronics

Flexible Displays and Energy Storage Devices

Metal Contacts (Ohmic/Schottky) on compound semiconductors (ZnO/GaN/ZnSe)

Metal Contacts (Ohmic/Schottky) on organic semiconductors

Transparent Conducting Oxide Films

Thin Film Passivation Technologies for OLEDs

Plasma and wet etching processes

Thin Film Microbatteris and Supercapacitors and Micro Fuel Cells

Roll to Roll and Printing technologies

1. 2010 Edition of Marquis Who's who in the world

2. 2008 KIT the best researcher award

3. 2000 Outstanding Intellectuals 21th Century, International Biographical Centre, Cambridge, England

4. Good paper award from Korea Institute of Electric and Electronic Materials Engineering (2005,11)

5. Bronze Prize Paper in the 1st Samsung Best Paper Award (2004).¡± Plasma damage free sputtering of electrode for    OLED by MSTS system¡±

6.Good paper award form Materials Research Society of Korea (2001.6)

7.Scholarship supported by Korea government, 1997- 2003 continually