Semiconductor light-emitting device, exhibit-irradiating illumination device, meat-irradiating illumination device, vegetable-irradiating illumination device, fresh fish-irradiating illumination device, general-purpose illumination device, and semiconductor light-emitting system

A semiconductor light-emitting device comprising:

• a semiconductor light-emitting element;
• and
• a phosphor which uses the semiconductor light-emitting element as an excitation source to emit light, wherein
• the phosphor contains at least a green phosphor and a red phosphor;
• the red phosphor comprises at least one type selected from the group consisting of CaAlSi(N,O)3:Eu, (Sr,Ca)AlSi(N,O)3:Eu and (Ca,Sr,Ba)AlSi(N,O)3:Eu;
• an emission peak wavelength of the red phosphor is 650 nm or more and 680 nm or less;
• the semiconductor light-emitting device emits light with a chromaticity coordinate in an XY chromaticity diagram of a CIE (1931) XYZ color system whose value of a deviation duv from a black-body radiation trajectory curve is −0.03 or more and −0.005 or less;
• a value of an energy area of light with a wavelength of 600 nm or more and 780 nm or less in a spectrum of light normalized with respect to luminous flux emitted from the semiconductor light-emitting device is 85% or more and 150% or less of a value of an energy area of light with a wavelength of 600 nm or more and 780 nm or less in a spectrum of reference light normalized with respect to luminous flux for color rendering evaluation, and
• a value of intensity of light with a wavelength of 500 nm in a spectrum of light normalized with respect to luminous flux emitted from the semiconductor light-emitting device is 110% or more and 200% or less of a value of intensity of light with a wavelength 500 nm in a spectrum of reference light normalized with respect to luminous flux for color rendering evaluation.