公开(公告)号：US12256579B2

公开(公告)日：2025-03-18

申请号：US17621050

申请日：2020-06-18

Applicant: DENKA COMPANY LIMITED

Inventor： Hiroaki Toyoshima ,  Mitsuru Kawagoe

IPC: H10H20/851 ,  C09K11/62 ,  C09K11/63 ,  C09K11/64 ,  C09K11/77

Abstract: A phosphor in which at least some of an element M in a phosphor host crystal represented by Mα(L, A)βXγ is substituted with Eu as an activation material. M represents one or more (including at least Sr) of Mg, Ca, Sr, Ba, and Zn, L represents one or more of Li, Na, and K, A represents one or more of Al, Ga, B, In, Sc, Y, La, and Si, X represents one or more (except that X represents only N) of O, N, F, and Cl, α, β, γ, and δ satisfy 8.70≤α+β+γ+δ≤9.30, 0.00