公开(公告)号：US20210130689A1

公开(公告)日：2021-05-06

申请号：US17041920

申请日：2019-03-14

Applicant: DENKA COMPANY LIMITED

Inventor： Masato AKABANE ,  Ryo YOSHIMATU ,  Hiroaki TOYOSHIMA ,  Motoi TANAKA

IPC: C09K11/77 ,  C09K11/08 ,  C01B21/082 ,  H01L33/50

Abstract: A phosphor including a fired product having a composition represented by general formula M1aM2bM3cAl3N4-dOd, wherein M1 is one or more elements selected from Sr, Mg, Ca, and Ba, M2 is one or more elements selected from Li, Na, and K, and M3 is one or more elements selected from Eu, Ce, and Mn, and wherein a, b, c, and d satisfy each of the following formulas: 0.850≤a≤1.150, 0.850≤b≤1.150, 0.001≤c≤0.010, 0.10

公开(公告)号：US20210017448A1

公开(公告)日：2021-01-21

申请号：US17040423

申请日：2019-03-14

Applicant: DENKA COMPANY LIMITED ,  NATIONAL INSTITUTE FOR MATERIALS SCIENCE

Inventor： Hiroaki TOYOSHIMA ,  Ryo YOSHIMATSU ,  Taiyo YAMAURA ,  Masato AKABANE ,  Naoto HIROSAKI

IPC: C09K11/77 ,  C01F11/02 ,  C09K11/08 ,  H01L33/50

Abstract: A phosphor in which an element represented by Rδ is solid-solutionized in a phosphor host crystal represented by Mα(L, A)βXγ, wherein M is at least one type of element selected from Mg, Ca, Sr, Ba and Zn, L is at least one type of element selected from Li, Na and K, A is at least one type of element selected from Al, Ga, B, In, Sc, Y, La and Si, X is at least one type of element selected from O, N, F and Cl (where all of X being N is excluded), R is at least one type of element selected from Mn, Cr, Ti, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho and Yb, α, β, γ and δ satisfy α+β+γ+δ=9, 0.00