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发明的详细说明本发明介绍了一种荧光粉及其制造方法。通常白色荧光灯的发光效率为78lm/W、平均显色指数(Ra)为66左右。最近开发了发光效率为
DETAILED DESCRIPTION OF THE INVENTION The present invention describes a phosphor and a method of making the same. Usually white fluorescent light-emitting efficiency of 78lm / W, the average color rendering index (Ra) of about 66. Recently developed a luminous efficiency of