Provided is a phosphor that has a favorable emission peak wavelength, a narrow spectral half width, and high light emission intensity. Also provided are: a light-emitting device that has favorable color rendering properties or color reproducibility, as wel...

Provided is a phosphor having a favorable emission peak wavelength, a narrow spectrum halfvalue width, and a high emission intensity. Furthermore, provided are a light emitting device, an illumination device, an image display device, and a vehicular displa...