Invention Grant
- Patent Title: Wavelength conversion element and light emitting device
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Application No.: US15951897Application Date: 2018-04-12
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Publication No.: US10777711B2Publication Date: 2020-09-15
- Inventor: Kazuhiko Yamanaka , Hideki Kasugai , Hirotaka Ueno , Kimihiro Murakami
- Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Applicant Address: JP Kyoto
- Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
- Current Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: McDermott Will & Emery LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@344badeb
- Main IPC: H01L33/50
- IPC: H01L33/50 ; F21V29/502 ; F21S2/00 ; F21V7/22 ; F21S41/176 ; F21S41/16 ; H01L33/00 ; H01L33/60 ; H01L33/62 ; G02B5/02

Abstract:
A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.
Public/Granted literature
- US20180233633A1 WAVELENGTH CONVERSION ELEMENT AND LIGHT EMITTING DEVICE Public/Granted day:2018-08-16
Information query
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