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美国通用电子公司研究成功萤光灯新涂层材料。该种新涂层材料为两种磷光体的拼合物。一种发黄色光,一种发兰色光。前者含氟磷酸钙并添加有锑和二价锰;后者含二价铕及添加物。添物杂质系为吸收紫外辐射并发射可见光。颜色取决于所包含杂质类别。新涂层材料可降低20％电能消耗,增加10％发射光强度,色调接近原色。新涂层材料萤光灯的额定功率为60瓦,光通量为100流明/瓦,代替原来的功率为75
US General Electric Co., Ltd. successfully researches new fluorescent coating material. The new coating material is a combination of two phosphors. A kind of yellow light, a blue hair. The former contains calcium fluorophosphate and adds antimony and bivalent manganese; the latter contains divalent europium and additives. Impurity impurities to absorb UV radiation and emit visible light. The color depends on the type of impurity contained. The new coating material can reduce the power consumption by 20%, increase the emission intensity of 10%, the color tone close to the primary colors. New coated fluorescent lamps have a rated wattage of 60 watts and a luminous flux of 100 lumens / watt, replacing the original 75