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Patent Searching and Data


Title:
WAVELENGTH CONVERSION MEMBER AND LIGHT EMITTING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/208057
Kind Code:
A1
Abstract:
The present invention provides a wavelength conversion member in which phosphor powder is dispersed in a glass matrix and which exhibits excellent light emitting efficiency. The wavelength conversion member in which phosphor powder is dispersed in a glass matrix is characterized in that the glass matrix has a refractive index (nd) of 1.6 or greater and a liquidus temperature of 1070°C or less.

Inventors:
FURUYAMA Tadahito (7-1, Seiran 2-chom, Otsu-shi Shiga 39, 〒5208639, JP)
FUKUMOTO Shotaro (7-1, Seiran 2-chom, Otsu-shi Shiga 39, 〒5208639, JP)
Application Number:
JP2019/012474
Publication Date:
October 31, 2019
Filing Date:
March 25, 2019
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO., LTD. (7-1 Seiran 2-chome, Otsu-shi Shiga, 39, 〒5208639, JP)
International Classes:
G02B5/20; C03C3/062; C03C3/076; C03C4/12; H01L33/50
Domestic Patent References:
WO2014188920A12014-11-27
Foreign References:
JP2018002492A2018-01-11
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