In Yonezawa Industry Festival 21st (Machinaka Satellite site), which was held from Oct, 30 (Saturday) to Nov, 1 (Sunday), Yamagata Promotional Organization for Industrial Technology and Innovation Center for organic Electronics of Yamagata University showed Organic Electro Luminescence lighting and the research results of Organic EL, Organic Transistors, Organic Solar Cells. The citizens joined the exibition had a good experience to see the newest illumination and lighting technology. Around 2000 people visited this exhibition.