IDEMITSU KOSAN CO., LTD.
Idemitsu Kosan Co., Ltd. (hereafter Idemitsu) and Sony Corporation (hereafter Sony) today announced the achievement of 28.5% internal quantum efficiency (IQE) in deep blue fluorescent OLED devices, the world's highest level of luminous efficiency for this technology. This ground-breaking development is a result of Idemitsu's advanced OLED material technologies and Sony' OLED device expertise, brought together by the two companies' joint development agreement (established in November 29th
, 2005). This joint agreement has led to the development of a wide range of high-performance OLED materials that have been incorporated in Sony products, and going forward both Idemitsu and Sony will also consider various practical applications for this newly developed, world-leading blue OLED technology.