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Shanghai Keyan 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 ChineseAcademy of Sciences .

Research for EL material with glass, enamel etc. to make flat lighting display instrument are traced back to in 1965;thenresearch for plastic EL panel followed in 1980; in 1990, we started work of Flexible Neon Wire ( EL Wire); and when in 2000, supported by China government, commercial mass production for EL wire and various kinds of phosphor material were realized.

Flexible Neon Wire, also called Electroluminescent (EL ) Wire is the new generation product in global lighting and display industry. Wrapped by colorful plastic tube on its surface, it appears similar to common phone wire, emitting light along its entire length but without any heat radiation. It consumes much lower power, just 50-70% of LED lamp, 20-40%,rope lamp and 1-10% neon light. Funded by China government, it was developed and put into production by professional Institute of Chinese Academy of Science, thus opening a new era in lighting and display field featured with energy saving, environmental protection and health.