Emergent sparse guide sign lighting device , refrigerator and mosquito killer lamp

The utility model provides an emergent sparse guide sign lighting device, refrigerator and mosquito killer lamp, the emergent sparse guide sign lighting device of includes light guide plate, frame andelectrical component, the frame is provided with the recess on being fixed in the side of light guide plate in the frame, the electrical component holding is in the recess, and electrical component includes PCB board and a plurality of UV LED illuminating part, and each UV LED illuminating part interval sets up on the PCB board, and each UV LED illuminating part is connected with PCB board electricity respectively, and each UV LED illuminating part all is located between the side of PCB board and light guide plate. The setting up of light guide plate make light that UV LED illuminating part sent evenly the spreading let the storage light luminescent plate of laminating at the light guide plate back absorb UV light and carry out energy store on whole light guide plate, energy -conserving just safe and reliable nee