The EL cold light slice has the following features: color multiplicity, the flashing effect is lifelike, low power loss, dexterity and convenience. Compared with the ordinary neon light, the EL cold light slice has long life-span and the light is gentle. Thus, it is widely applied to different product advertisements. The EL cold light slice has some artisticvision effect: it can shines flashly; it has rich color and lifelike design, nice manufacture and so on. So it is widely applied to the following public 。The EL cold light slice has some artistic vision effect: it can shines flashly; it has rich color and lifelike design, nice manufacture and so on. So it is widely applied to various products’advertisements