PROBLEM TO BE SOLVED: To provide an ultraviolet sterilization lamp capable of maintaining sanitation in a bathroom, a kitchen, a toilet room, and suppressing mold and offensive odor.SOLUTION: An ultraviolet device is formed of an ultraviolet sterilization lamp 4, a human sensor 6 and/or a lighting device 5 in a room and a lighting switch 2 of a room, and a controller 3. The controller 3 is configured to light the ultraviolet sterilization lamp 4, based on detection of a human absence state based on lights-out of the ultraviolet sterilization lamp 4, the human sensor 6 and/or the lighting device 5 of the room, and light the ultraviolet sterilization lamp 4 continuously, or light the ultraviolet sterilization lamp for a constant time and/or light periodically.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】風呂場や調理室、トイレ室等の衛生を保ち、またカビや臭気の抑制する紫外線殺菌灯を提供する。【解決手段】紫外線殺菌灯4と人感センサ6及び/又は部屋の照明5及び部屋の照明スイッチ2とコントローラ3とで構成され、紫外線殺菌灯4と人感センサ6及び/又は部屋の照明5の消灯による人の不在状態の検知で紫外線殺菌灯4を点灯させ、紫外線殺菌灯4を連続点灯、或は、一定時間点灯及び/又は周期的に点灯させる様に制御するコントローラ3を備えた紫外線装置。【選択図】図1