Back to results
US 11,999,648 B2Granted
Wavelength conversion member and light emitting device using same
AssigneeNippon Electric Glass Co., Ltd.
InventorsTadahito Furuyama, Shotaro Fukumoto
Life of this patent
Estimating the term…
Abstract
Provided is a wavelength conversion member which is made of a phosphor powder dispersed in a glass matrix and has an excellent luminous efficiency. A wavelength conversion member is comprising: a phosphor powder dispersed in a glass matrix, wherein the glass matrix has a refractive index (nd) of 1.6 or more and a liquidus temperature of 1070° C. or below.
Claims9
A wavelength conversion member comprising:
- a phosphor powder dispersed in a glass matrix, wherein the glass matrix contains, in terms of % by mass, 25% or more of SiO2;
- and
- the glass matrix has a refractive index (nd) of 1.6 or more and a liquidus temperature of 1070° C. or below.
Dependencies are inferred from the claim text.