SEJIN T.S CO.,LTD is a Korea-based company engaged in the manufacture and distribution of black light sheets for thin film transistor-liquid crystal displays (TFT-LCDs). The Company’s products portfolio consists of prism protection sheets, diffusion sheets, reflection sheets and panel protection sheets, which are used as main parts for back light units. It also provides other films, such as polycarbonate films, acryl films, co-extrusion films, pattern films and others. The Company’s main clients are Samsung Electronics and LG Display. It distributes its products within domestic market and to overseas markets. In addition, the Company has a China-based subsidiary, which is engaged in the manufacture of panel display components.