Patent ID: 11897814
Assignee: NICHIA CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. The rare earth aluminate sintered compact according to claim 1, wherein the rare earth aluminate phosphor crystalline phases have a composition represented by Formula (I):

(Ln11-nCen)3(Al1-mM1m)5kO12  (I), in Formula (I), Ln1 is at least one element selected from the group consisting of Y, La, Lu, Gd, and Tb; M1 is at least one element selected from the group consisting of Ga and Sc; and m, n, and k satisfy 0≤m≤0.02, 0.002≤n≤0.017, and 0.95≤k≤1.05, respectively.