International LED and Green Lighting Seminar 2012, 2012-06-27
Materials Research Society Spring meeting, 2011-04-25
2012 MRS Spring Meeting, 2012-04-12
제 19회 반도체 학술대회, 2012-02-16
제 19회 반도체 학술대회, 2012-02-16
Journal of the Korean Vacuum Society, 2011-04
ENGE 2011, 2011-11-28
Asia Communications & Photonics Conference & Exhibition, 2011-11-13
The 23th Synchrotron Radiation User’s Workshop & Kosua Meeting, 2011-11-16
Asia Communications & Photonics Conference & Exhibition, 2011-11-13
ENGE 2011, 2011-11-28