Ph.D. SUNY Buffalo (USA)
Electrical and Computer Engneering - Electrophysics

23 years experience in semiconductor optoelectronic devices:

• LG Innotek, Team Leader, Chip Process Tech. & Production (Blue, UV, Vertical, Red LED)
• EpiValley, Executive Vice President, LED Business Unit (Blue LED)
• LG Electronics Institute of Technology, Senior Researcher(Red, IR Laser Diode)
• Extensive experience on GaAs, InGaAlP, InGaAsP and AlGaInN MOCVD epi growth
• Many years of experiences on epi/chip production technology/management

Ph.D. USC (USA)
Electrical Engneering - Electrophysics
Dissertation on 850nm, 980nm, 650nm VCSEL

30 years experience in semiconductor optoelectronic devices:

• Hanyang University , Research fellow
• ILJIN LED, VP, Chief Tech. Director, (Blue/White LED)
• Epiplus , VP, Chief Tech. Director, (Blue LED, Red LED)
• THELEDS, Executive VP., Chief Technical Director, (Blue LED)
• Cyoptics (formerly T-Networks, Inc. USA),Senior Epitaxial Engineer, (InGaAsP/AlInGaAs modulator/amplifier/DFB laser for optical communication)
• LG Electronics Institute of Technology, Senior Researcher, Korea (InGaAlP, InGaAsP, AlGaAs Laser Diode)
• Authored more than 30 academic journal papers.
• More than 40 registered patents in Korea and US
• More than 60 patents applied in Korea, United States, EU, and China

M.S. Hanyang University (Korea)
Electronics Engneering

21 years experience in semiconductor optoelectronic devices:

• ILJIN LED, Team Leader, Chip Process Tech. & Production (Blue/White, Red LED)
• EpiValley, Senior Researcher, LED Business Unit (Blue LED)
• Chip fabrication expert on Blue LED, GaAs/InP Electronic devices
  - Development of Blue LED DBR/CBL Process
  - Development of PSS & ITO Electrode Process