PROBLEM TO BE SOLVED: To provide a device for optical treatment that generates a small amount of heat during optical treatment, has high emission luminance, and is excellent in safety and portability.SOLUTION: The device for optical treatment of the present invention comprises a light emission diode for light radiation, and a thin battery whose thickness is equal to or less than 1.5 mm. The light emission diode for light radiation and the thin battery are connected with a connection member capable of electrical connection, and a light emission wavelength is in a range of wavelengths of 400-2000 nm.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】本発明の課題は、光治療時の発熱量が少なく、高発光輝度を有し、安全性及びポータブル性に優れた光治療用装置を提供することである。【解決手段】本発明の光治療用装置は、光照射用発光ダイオードと、厚さが1.5mm以下の薄型電池を有し、前記光照射用発光ダイオードと薄型電池が電気的に接続可能な接続部材で接続され、発光波長が400~2000nmの波長域にあることを特徴とする。【選択図】図2