LIGHT EMISSION DEVICE, CONTROL DEVICE AND MOBILE ENTITY

A light emission device is installed in a vehicle capable of changing a degree of involvement of a driver in surroundings monitoring during driving. A light emitter is configured to be located in a gaze stable field of view of the driver when an information display device is located in an effective field of view of the driver. The information display device is disposed on a side of a steering device in the mobile entity. The light emitter is configured to emit light in a manner according to the degree of involvement of the driver in the surroundings monitoring during driving.