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White light emitting material and white light emitting device 发明授权

2023-05-20 3300 118K 0

专利信息

申请日期 2025-07-10 申请号 JP2007038133
公开(公告)号 JP5098356B2 公开(公告)日 2012-12-12
公开国别 JP 申请人省市代码 全国
申请人 Central Glass Co Ltd2200
简介 A white light ensuring high output stability, high light focusing and high luminance is provided by a white light source for use in spectroscopic equipment, production control, illumination, etc. A white light emitting material comprising a halide glass containing 20 to 45 mol% of AlF3 and 40 to 65 mol% of the sum of alkaline earth fluorides consisting of 0 to 15 mol% MgF2, 7 to 25 mol% CaF2, 0 to 15 mol% SrF2 and 5 to 25 mol% BaF2 and further containing 10 to 25 mol% of a fluoride of at least one element selected from among Y, La, Gd, Yb and Lu, the halide glass doped with ytterbium ions as bivalent rare earth ions becoming a light emission center, is used as an amplification medium.


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