... energy-saving lamps, black(UV) light lamp, high pressure mercury lamp, low pressure mercury lamp long afterglow phosphor radioactivity afterglow ... EL, thick film EL, organic EL low-electrol light emitting diode LED,OEL or OLED, silicon base ... fluorescent materialsBiology luminescent Enzyme luminescence, organic Luminescence,Reflected light( geometrical optics) glass bead reflected optics, coating ...