公开(公告)号：US20240092652A1

公开(公告)日：2024-03-21

申请号：US18272842

申请日：2022-01-14

Applicant: DENKA COMPANY LIMITED

Inventor： Takuji KOBAYASHI ,  Motoharu FUKAZAWA ,  Takuto OKABE ,  Mitsuru KAWAGOE

IPC: C01G23/04 ,  C09C1/36

CPC classification number: C01G23/043 ,  C09C1/36 ,  C01P2002/72 ,  C01P2006/80

Abstract: A method for producing a particle, containing a step of heating a mixture containing TiH2 and TiO2 at 700 to 950° C., wherein a molar ratio of the TiH2 to the TiO2 contained in the mixture is 5.0 to 6.8.

公开(公告)号：US20220367760A1

公开(公告)日：2022-11-17

申请号：US17621050

申请日：2020-06-18

Applicant: DENKA COMPANY LIMITED

Inventor： Hiroaki TOYOSHIMA ,  Mitsuru KAWAGOE

IPC: H01L33/50 ,  C09K11/77 ,  C09K11/62 ,  C09K11/63 ,  C09K11/64

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