| abstract |
By applying a photoelectric conversion element with a wavelength selectivity, it is possible to use a low-power LED to provide a heart rate sensor that can prevent skin damage and reduce power consumption. The heart rate sensor includes a light emitting unit emitting white light, and a sensor unit including a near infrared organic photoelectric conversion element and a red photoelectric conversion element that detect light transmitted or reflected after being irradiated to blood vessels from the light emission unit. |