PROBLEM TO BE SOLVED: To perform non-contact detection of biological information relating to blood such as blood oxygen saturation or hemoglobin concentration.SOLUTION: A biological information detection device 10 comprises: light sources 11 and 12 which irradiate a living body of a measurement target with measurement light comprising plural light beams having different wavelengths； an irradiation angle adjustment part 15 as an irradiation position adjustment part for adjusting the irradiation position of the light beams having different wavelengths in accordance with a measured distance to the measurement target； an imaging part 13 as a light receiving part which receives reflectance from the living body of the measurement target； and a processing part 21 which calculates biological information on the basis of the intensity of the reflectance.SELECTED DRAWING: Figure 2【課題】血中酸素飽和度又はヘモグロビン濃度などの血液に関する生体情報を非接触で検出する。【解決手段】生体情報検出装置１０は、複数の異なる波長の光による測定光を測定対象の生体に照射する光源１１、１２と、測定対象までの測定距離に応じて複数の異なる波長の光の照射位置を調整する照射位置調整部としての照射角度調整部１５と、測定対象の生体からの反射光を受光する受光部としての撮像部１３と、反射光の強度に基づいて生体情報を算出する処理部２１と、を有する。【選択図】図２
