Patent ID: 9142733
Filing Date: 2015-09-22
Classification: C09K,F21S,H01L,H01S

Abstract:
1. A light source device comprising: a semiconductor light-emitting element; and a wavelength conversion member for converting a wavelength of a light emitted from the semiconductor light-emitting element into a longer wavelength, wherein: the semiconductor light-emitting element has a light-emitting peak wavelength of not less than 380 nanometers and not more than 420 nanometers, the light emitted from the semiconductor light-emitting element has a light energy density of not less than 0.2 kW/cm the wavelength conversion member includes a blue fluorescent substance, a green fluorescent substance, and a red fluorescent substance, the blue fluorescent substance includes a (Sr the green fluorescent substance includes a (Y the red fluorescent substance includes at least one selected from the group consisting of a LiLaW