PROBLEM TO BE SOLVED: To provide a convenient wearable light source device by controlling a light exposure to be a proper level.SOLUTION: A wearable light source device 10 to be mounted to a living body comprises a first sensor 1 for detecting light received by the living body, a light source 5 which is brought into contact with the living body and irradiates the living body with UV light, and a control unit 4 which controls at least one of the irradiation quantity and irradiation period of the UV light on the basis of the quantity of the light detected by the first sensor 1.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】光の曝露量を適切にし、使い勝手のよいウェアラブル光源デバイスを提供する。【解決手段】生体に装着されるウェアラブル光源デバイス10は、生体が受ける光を検知する第1センサ部1と、生体に接触し、生体に紫外光を照射する光源部5と、第1センサ部1により検知された光の量に基づいて紫外光の照射量および照射時間の少なくとも一方を制御する制御部4とを備える。【選択図】図1
