Established in 2000 year, Shanghai Keryan Phosphor Technology Co.,Ltd ( KPT) is the only professional High-tech enterprise which engaged in research and manufacturing and marketing Electroluminescent(EL) and various kinds of phosphor material in China. It belongs to Changchun Institute of Optics Fine Mechanic and Physics, Chinese Academy of Sciences (CIOMP).

Research for EL material with glass, enamel etc. to make flat lighting display instrument are traced back to in 1965; then research for plastic EL panel followed in 1980; in 1990, we starte