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发明名称
PHOSPHOR MATERIALS
摘要
<p>A bismuth activated yttrium niobate blue phosphor has a proportion of niobium to yttrium greater than 1.2 to 1 and preferably greater than 1.7 to 1. An exemplary ratio is 2.5 to 1. The proportion of bismuth is around 4 %.</p>
申请公布号
WO1997035943(A1)
申请公布日期
1997.10.02
申请号
GB1997000761
申请日期
1997.03.19
申请人
发明人
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