1. Center
for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2. Research & Development Group, R&D Planning Division, Nippon Kayaku Company Ltd., 3-31-12 Shimo, Kita, Tokyo 115-8588, Japan
3. Advanced Technology R&D Department, Research and Development Division, Japan Display Inc., 3300, Hayano, Mobara, Chiba 297-8622, Japan