1. Advanced Display Research Center (ADRC) and Department of Information Display; Kyung Hee University; Seoul 02447 Korea
2. Korea Photonics Technology Institute (KOPTI); Gwangju Korea
3. LEDLITEK Co.,Ltd; 81, Geumhoseonmal-gil, Bugang-myeon Sejong 30077 Korea
4. Lumens Co., Ltd; Gyeonggi-do Korea
5. Dept. of Printed Electronics Engineering; Sunchon National University; Jeollanam-do Korea