Affiliation: | 1. Department of Materials Science and Engineering, Yonsei University Seoul 120‐749, (Korea);2. LCD R&D Center, Samsung Electronics Co. LTD Gyeonggi‐Do 449‐711 (Korea);3. School of Advanced Materials Engineering, Kookmin University Seoul 136‐702 (Korea);4. Department of Chemistry, University of Washington Seattle, WA 98195‐1700 (USA);5. Present address: Department of Biomedical Engineering, Washington University, St. Louis, MO 63130‐4899, USA. |