- 专利标题: Light-emitting device
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申请号: US16296803申请日: 2019-03-08
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公开(公告)号: US10903401B2公开(公告)日: 2021-01-26
- 发明人: Shoji Hosokawa , Kazuya Nishimata , Tomokazu Yoshida
- 申请人: NICHIA CORPORATION
- 申请人地址: JP Anan
- 专利权人: NICHIA CORPORATION
- 当前专利权人: NICHIA CORPORATION
- 当前专利权人地址: JP Anan
- 代理机构: Hunton Andrews Kurth LLP
- 优先权: JP2017-004424 20170113
- 主分类号: H01L33/50
- IPC分类号: H01L33/50 ; G02F1/13357 ; C09K11/77 ; C09K11/08 ; C09K11/64 ; H01L33/32 ; H01L33/48
摘要:
Provided is a light-emitting device including a light-emitting element having a peak emission wavelength in a range of from 400 nm to 470 nm, and a fluorescent member including a first fluorescent material including an aluminate that contains Mg, Mn, and at least one alkali earth metal selected from the group consisting of Ba, Sr, and Ca, a second fluorescent material having a different composition from the first fluorescent material, and a third fluorescent material. The first, second and third fluorescent materials have a peak emission wavelength in a range of from 510 nm to 525 nm, from 510 nm to 550 nm, and from 620 nm to 670 nm, respectively.
公开/授权文献
- US20190207064A1 LIGHT-EMITTING DEVICE 公开/授权日:2019-07-04
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