1. Functional Materials and Devices; Fraunhofer Institute for Applied Polymer Research; Geiselbergstr. 69 14476 Potsdam Germany
2. LG Technology Center Europe; Hammfelddamm 6 41460 Neuss Germany
3. Flexible Display Research Center; Korea Electronics Technology Institute; 25 Saenari-ro, Bundang-gu Seongnam-si Gyeonggi-do 463-816 Korea