1. Department of Sensor and Display Engineering, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu, Korea
2. LG Display Co., Ltd., 161, Limsu-dong, Gumi-si, Kyungsangbook-do, Korea
3. School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu, Korea