Invention Grant
- Patent Title: Wavelength converted light emitting device
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Application No.: US15740549Application Date: 2016-06-28
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Publication No.: US10910529B2Publication Date: 2021-02-02
- Inventor: Peter Josef Schmidt , Oleg Borisovich Shchekin , Walter Mayr , Hans-Helmut Bechtel , Danielle Chamberlin , Regina Mueller-Mach , Gerd Mueller
- Applicant: Lumileds Holding B.V.
- Applicant Address: NL Schiphol
- Assignee: Lumileds Holding B.V.
- Current Assignee: Lumileds Holding B.V.
- Current Assignee Address: NL Schiphol
- International Application: PCT/EP2016/064987 WO 20160628
- International Announcement: WO2017/001390 WO 20170105
- Main IPC: H01L33/50
- IPC: H01L33/50
Abstract:
In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.
Public/Granted literature
- US20180198040A1 WAVELENGTH CONVERTED LIGHT EMITTING DEVICE Public/Granted day:2018-07-12
Information query
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