Idemitsu Research and Business Development Europe AG is a subsidiary of Idemitsu Kosan Co., Ltd. based in Basel, Switzerland. We are recognized as a key player in the development of OLED materials and technologies. Operational in Basel since April 2017, we perform research for future generations of OLED materials and deliver our products into millions of OLED displays used by people around the world each day. Please be informed that as of April 1, 2022 we have changed our company name to: Idemitsu Research and Business Development Europe AG. The new company name reflects the diversification of our core OLED operations Idemitsu to include activities on carbon neutrality and the lithium battery market. Although we physically remain at our current address, our business address changes to: Mattenstrasse 22 Postfach 43 4005 Basel Switzerland