Mitsui Chemicals and Idemitsu Kosan have reached the agreement to establish a business alliance in R&D and manufacturing of OLED materials. MCI and Idemitsu continually examine to strengthen business areas in common, taking occasion to "the agreement to comprehensively study for cooperation in Chiba area" in February 2004.

The development of new OLED materials will be conducted by each firm. However, MCI and Idemitsu will significantly enhance efficiency of developing materials by combining "advanced molecular design and synthetic technology" of MCI and Idemitsu with "material's integration technology and practical evaluation technology", in which Idemitsu gains predominance.
Idemitsu will be in charge of sales of new high-performance OLED materials based on the agreement.

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