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Red light-emitting phosphor and light-emitting device 发明授权

2023-05-27 2760 1010K 0

专利信息

申请日期 2025-06-27 申请号 US11514131
公开(公告)号 US7691293B2 公开(公告)日 2010-04-06
公开国别 US 申请人省市代码 全国
申请人 Tsutomu Odaki; Tsutomu Takano
简介 A red light-emitting phosphor capable of emitting red light upon excitation with light having a wavelength of 350 to 420 nm, represented by the following compositional formula (1) : [in-line-formulae]A(1-x)Eu(1-x-y)LnyD2xM2O8  (1)[/in-line-formulae] wherein A is at least one element selected from the group consisting of Li, Na, K, Rb and Cs, Ln is at least one element selected from rare earth elements including Y but excluding Eu, D is at least one element selected from the group consisting of Mg, Ca, Sr and Ba, M is at least one element selected from Mo and W, x is a positive number satisfying 0


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