| 摘要 |
There are provided a wavelength conversion member including phosphors made of phosphor particles which are made of an oxynitride and/or a nitride and have a refractive index n<SUB>1</SUB>, and a coating which coats each of the phosphor particles and has a refractive index n<SUB>2</SUB>, and a medium having the phosphors dispersed therein and having a refractive index n<SUB>3</SUB>, the refractive index n<SUB>2 </SUB>of the coating being a value between n<SUB>3 </SUB>and n<SUB>1</SUB>, and a light-emitting device having the wavelength conversion member incorporated therein. It is preferable in the present invention that the coating is formed of a plurality of layers, and has its refractive index varying in a stepwise manner in a direction from a surface of each of the phosphor particles to an interface with the medium.
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