Title:
WAVELENGTH CONVERSION MEMBER AND METHOD FOR MANUFACTURING SAME, AND LIGHT EMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/189338
Kind Code:
A1
Abstract:
Provided are: a wavelength conversion member which rarely undergoes the decrease in a luminous flux value or the change in chromaticity after lighting; and a light emission device equipped with the wavelength conversion member. A wavelength conversion member 10 characterized by being provided with: a base material layer 1 which comprises a sintered product of a glass powder 1a; and a phosphor layer 2 which is formed on one main surface of the base material layer 1 and comprises a sintered product of a glass powder 2a and a phosphor powder 2b.
Inventors:
SHIMIZU HIROYUKI (JP)
ASANO HIDEKI (JP)
ASANO HIDEKI (JP)
Application Number:
PCT/JP2020/009670
Publication Date:
September 24, 2020
Filing Date:
March 06, 2020
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B19/06; C03C3/087; G02B5/20; H01L33/50
Domestic Patent References:
| WO2019021846A1 | 2019-01-31 |
Foreign References:
| CN105470370A | 2016-04-06 | |||
| JP2014031488A | 2014-02-20 |
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