Recently, Showa Denko K.K. (SDK) has announced to set up a joint venture with Toyoda Gosei Co., Ltd. (Toyoda Gosei), for GaN LED Business by the end of 2012. SDK is producing and selling a wide variety of LED chips, including aluminum-gallium-indium-phosphide (AlGaInP), gallium-arsenide (GaAs), gallium-phosphide (GaP), and GaN. It will split its business in gallium-nitride (GaN)-based blue LED chips, and transfer 70% of shares in the new company to Toyoda Gosei. The joint venture will be established in the area of GaN LED chips being pr...