Optical semiconductor light emitting device, lighting apparatus, and display device

Provided is an optical semiconductor light emitting device that includes an optical semiconductor light emitting element and a light conversion layer containing phosphor particles, and emits white light, wherein the light conversion layer contains a specific light scattering composition, or a light scattering layer containing a specific light scattering composition is formed on the light conversion layer. Also provided are a lighting apparatus and a display device including the optical semiconductor light emitting device.