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公开(公告)号：US20230257649A1
公开(公告)日：2023-08-17
申请号：US17898895
申请日：2022-08-30
Applicant: TDK CORPORATION
Inventor： Moeko KAKUDO , Tatsuya TERUI
CPC classification number: C09K11/7721 , C30B33/00
Abstract: Provided is a phosphor in which a first phase and a second phase are three-dimensionally entangled with each other. The phosphor further includes a third phase different from the first phase and the second phase, in a cross-sectional visual field in a predetermined range, an area ratio of the third phase in the phosphor is 0.5% to 3.0%, and at least a part of the third phase is a bridging third phase existing at a position where a part of the first phase and another part of the first phase are bridged.
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