1. Functional Polymer Systems Fraunhofer Institute for Applied Polymer Research Geiselbergstrasse 69 Potsdam 14476 Germany
2. Display Research Center Korea Electronics Technology Institute Seongnam-si Gyeonggi-do 13509 Korea
3. LT Materials Yongin-Si Gyeonggi-Do 17118 Korea
4. Department of Advanced Materials Kyonggi University Suwon 16227 Korea