Idemitsu Kosan

Idemitsu Kosan is a Japanese company, founded in 1911, to engage in oil distribution, and over the years they have gained experience in fuel products and basic chemicals, plastics, electronic materials and OLED materials.

Idemitsu Kosan are working towards OLED materials together with Sony, LG Display, Mitsui chemicals and UDC. 

Idemitsu Kosan's web page