University of Cambridge ,Ph.D          (2006.01~2010.02)

- Engineering Department (Electrical), Queens' College

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LG Display                                                (1999.03~2019.02)

- Principal Research Engineer

- Material Research Team Leader

- P.I of LG Convergent  PJT for Emotional Touch 

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POSTECH, Associate Professor         ( since 2019.02)

- Electrical Engineering Department