Development of Printed Organic Thin Film Transistors

Toru Okubo joined Toppan Printing Co., Ltd., Tokyo Japan, in 1998 after receiving his B.E. degree from Waseda University, Tokyo Japan, in 1995 and his M.E. degree from Tokyo Institute of Technology, Tokyo Japan, in 1997. He has got his professional experience in optical films for FPDs, nanomaterials, printing and wet-coating process. Since 2004 he has been involved in process development of printed OTFTs at Technical Research Institute of Toppan Printing Co., Ltd.

Founded in 1900, Toppan Printing has branched into diverse business fields, including security cards, commercial printing, publications printing, packaging, industrial materials, electronics. We also conduct demand creation activities in pursuit of higher sales of our products and services. In the fiscal year ended March 31, 2009, Toppan posted revenues of 1,617.3 billion yen, and ended the year with approximately 11,000 employees. For more information visit