Title:
WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/016357
Kind Code:
A1
Abstract:
Provided are a wavelength conversion member having a ceramic layer as a reflecting layer and excellent light emission intensity, and a light-emitting device which uses the same. A wavelength conversion member 10 characterized by being provided with a first porous ceramic layer 1 having a porosity of 20 vol% or greater, a phosphor layer 2 including a phosphor formed on the first porous ceramic layer, and a low-refractive-index layer 3 formed on the phosphor layer 2 and having a refractive index equal to or less than the refractive index of the phosphor.
Inventors:
FURUYAMA TADAHITO (JP)
Application Number:
PCT/JP2017/025024
Publication Date:
January 25, 2018
Filing Date:
July 07, 2017
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
G02B5/20; F21S2/00; G03B21/14; H01L33/50; H01S5/0239; F21Y115/10; F21Y115/30
Domestic Patent References:
| WO2010082286A1 | 2010-07-22 | |||
| WO2015151686A1 | 2015-10-08 | |||
| WO2015180630A1 | 2015-12-03 |
Foreign References:
| JP2016512340A | 2016-04-25 | |||
| JP2015215583A | 2015-12-03 | |||
| JP2015197620A | 2015-11-09 | |||
| JP2013038115A | 2013-02-21 | |||
| JP2012160534A | 2012-08-23 | |||
| JP2016066764A | 2016-04-28 | |||
| JP2013130605A | 2013-07-04 | |||
| US20150144978A1 | 2015-05-28 | |||
| CN104061530A | 2014-09-24 |
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