On December 22, 2006, IFEZ Director Lee Hwan-kyun, Lee Sang-hun, and Cho Joon-haeng, co-representatives of Nano Optics, signed an investment contract at the situation room on the fifth floor of the Incheon Free Economic Zone Authority. Nano Optics is a manufacturer of optical films for LCDs and plans to build an R&D center in Songdo International City.