Invention Grant
- Patent Title: Method for producing fluorescent material
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Application No.: US16535200Application Date: 2019-08-08
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Publication No.: US10920140B2Publication Date: 2021-02-16
- Inventor: Tomokazu Suzuki
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan
- Agency: Hunton Andrews Kurth LLP
- Priority: JP2017-100133 20170519
- Main IPC: H01L33/50
- IPC: H01L33/50 ; C09K11/77

Abstract:
Provided is a method for producing a fluorescent material, including: preparing a raw material mixture including a compound containing at least one rare earth element Ln selected from the group consisting of Y, Gd, La, Lu, Sc and Sm, a compound containing at least one Group 13 element selected from Al and Ga, a compound containing Tb, a compound containing Ce and a compound containing Eu, wherein the raw material mixture contains each compound such that each element satisfies a composition represented by the following formula (I): (Ln1-a-b-cTbaCebEUc)3(Al1-dGad)5O12 (I), wherein a, b, c and d satisfy 0.25≤a
Information query
IPC分类: