Invention Grant
- Patent Title: Phosphor and light-emitting device
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Application No.: US17272827Application Date: 2019-08-22
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Publication No.: US11377594B2Publication Date: 2022-07-05
- Inventor: Keita Kobayashi , Shunsuke Mitani , Ryousuke Kondo , Kazuya Sugita , Takuya Matsufuji , Akihisa Kajiyama
- Applicant: DENKA COMPANY LIMITED
- Applicant Address: JP Tokyo
- Assignee: DENKA COMPANY LIMITED
- Current Assignee: DENKA COMPANY LIMITED
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JPJP2018-170866 20180912
- International Application: PCT/JP2019/032907 WO 20190822
- International Announcement: WO2020/054350 WO 20200319
- Main IPC: C09K11/77
- IPC: C09K11/77 ; C01B21/082 ; C09K11/64 ; H01L33/50
Abstract:
A β-type sialon phosphor represented by the following expression 1, in which D50 is 10 μm or less, and values of D10, D50, and D90 satisfy a relationship of the following expression 2 with respect to D10, D50, and D90 (each unit is [μm]) on a volume frequency basis as measured according to a laser diffraction/scattering method. Expression 1: Si12-aAlaObN16-b:Eux (wherein 0
Public/Granted literature
- US20210189234A1 PHOSPHOR AND LIGHT-EMITTING DEVICE Public/Granted day:2021-06-24
Information query
