PROBLEM TO BE SOLVED: To provide a light projector that hardly causes blurring and the like of a light section line even if the device is miniaturized.SOLUTION: A light projector 1 mounted on an endoscope device 100 includes: a light source part 10 having a light source a conical reflecting mirror 20 that reflects light from the light source part and generates a flat beam a storage part 30 having a cylindrical member for storing the conical reflecting mirror a transparent adhesive that is provided so as to fill a space where an optical path of the flat beam is located, in the cylindrical member and a supporting and mounted part 40 having a mounted member 41 mounted in the endoscope device, and a support arm 42 that extends from the mounted member and supports the storage part.COPYRIGHT: (C)2015,JPO&INPIT【課題】小型化しても、光切断線のブレ等が生じにくい投光装置を提供する。【解決手段】内視鏡装置100に装着される投光装置1は、光源を有する光源部10と、光源部からの光を反射して平板状光束を生じさせる円錐状反射鏡20と、円錐状反射鏡を収容する円筒部材を有する収容部30と、円筒部材内において、平板状光束の光路が位置する空間を埋めるように充填される透明接着剤と、内視鏡装置に装着される装着部材41と、装着部材から延びて収容部を支持する支持アーム42とを有する支持装着部40とを備える。【選択図】図1
