Phosphate fluorescent material and its preparation
专利汇可以提供Phosphate fluorescent material and its preparation专利检索，专利查询，专利分析的服务。并且PURPOSE: To prepare a phosphate fluorescent material having particular shape and characteristics, high and stable luminance, and excellent resistance to hydrolysis, by using an orthophosphate of a bivalent metal containing zinc as a main component, and manganese as a main dopant.
CONSTITUTION: The objective phosphate fluorescent material contains an orthophosphate of a bivalent metal containing zinc as a main component and manganese as a main dopant, wherein ≥50wt% of the fluorescent particle is nearly rectangular parallelopiped plate crystals having the ratio of the longest side to the shortest side of 2:1W4:1, and the glow characteristic curve at 25W300°C has its peak at 100W200°C and/or the ratio of the peak fluorescent intensity excited by the light having a wavelength of 200W280nm to the peak intensity excited by the light with 380W420nm wavelength is 0.6W3.0.
COPYRIGHT: (C)1984,JPO&Japio，下面是Phosphate fluorescent material and its preparation专利的具体信息内容。
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