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Abstract:
一种具有紫/绿双光色发光的荧光粉及制备方法和白光LED发光装置,属于无机发光材料技术领域,以RbxYyP2Oz作为荧光粉基质,掺杂不同浓度的Eu2+分别实现紫光和绿光发射。制备方法:按照分子式RbxYyP2Oz:aEu2+(2.7≤x≤3.3,0.9≤y≤1.1,7.7≤z≤8.3,0.001≤a≤1)中各元素的比例分别称取原料,充分研磨混合均匀;空气气氛下煅烧,获得前驱体;然将前驱体研磨后于还原性气氛下再次煅烧,冷却后研磨成粉末,即可。本发明的紫光荧光粉及绿光荧光粉与红光荧光粉组合,在近紫外光激发下可获得具有高显色指数的白光,能够满足全光谱健康照明的需求。
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Patent Info :
Type: 发明申请
Patent No.: CN202310833150.X
Filing Date: 2023-07-07
Publication Date: 2023-11-17
Pub. No.: CN117070220A
Applicants: 北京工业大学
Legal Status: 实质审查
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