公开(公告)号：US20240228382A9

公开(公告)日：2024-07-11

申请号：US18401228

申请日：2023-12-29

Applicant: NICHIA CORPORATION

Inventor： Shozo TAKETOMI ,  Ryo YAMAMOTO ,  Tomomi FUJII ,  Toshiyuki HIRAI

IPC: C04B35/44 ,  C04B38/00 ,  C09K11/77

CPC classification number: C04B35/44 ,  C04B38/0054 ,  C09K11/7706 ,  C04B2235/5463 ,  C04B2235/74 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80

Abstract: A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 μm to 1.3 μm, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 μm to 1.2 μm.

公开(公告)号：US20240132408A1

公开(公告)日：2024-04-25

申请号：US18401228

申请日：2023-12-29

Applicant: NICHIA CORPORATION

Inventor： Shozo TAKETOMI ,  Ryo YAMAMOTO ,  Tomomi FUJII ,  Toshiyuki HIRAI

IPC: C04B35/44 ,  C04B38/00 ,  C09K11/77

CPC classification number: C04B35/44 ,  C04B38/0054 ,  C09K11/7706 ,  C04B2235/5463 ,  C04B2235/74 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80

Abstract: A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 μm to 1.3 μm, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 μm to 1.2 μm.