US Patent 12111047 Luminaire with stacked UV and visible light sources

A luminaire includes a housing with a light exit aperture, wherein the housing houses a first light source which emits visible light and a second light source which emits ultraviolet (UV) light. The second light source is disposed within the housing between the first light source and the light exit aperture and allows at least some of the visible light emitted by the first light source to pass therethrough.