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如今,很多人喜欢用“夜光膜”装扮手机,比起普通的透明贴膜,这种“夜光膜”能够在夜晚发出荧光,受到很多时尚年青人的喜爱。“夜光膜”之所以会发光,主要是使用了荧光粉。据了解,荧光粉有两类,一是储能荧光粉,自然光照射后储存光能,在暗处发光;另一种是掺入放射性物质的荧光粉,通过放射性物质发出的射线激发荧光粉发光。但后者成本很高,市面上的夜光膜用的多为前者。
Nowadays, many people like to use “luminous film” to dress up their mobile phones. Compared with ordinary transparent film, this kind of “luminous film” can emit fluorescence at night and is loved by many fashionable young people. “Luminous film ” The reason why the light, the main is the use of phosphor. It is understood that there are two types of phosphors, one is energy storage phosphor, natural light storage after the light energy, light in the dark; the other is the incorporation of radioactive substances in the phosphor, emitted by the radiation of radioactive substances excited phosphor . However, the latter cost is high, the luminous film on the market is mostly used for the former.