DISPLAY DEVICE

The disclosed display device includes a first displaying mode () that includes the first displaying mode comprising a first contents displaying segment () displaying information indicating a running state of a vehicle or an operation state of an on-board device; a first output displaying segment () arranged in a range including a portion above the first contents displaying segment () and indicating a first output of the vehicle with a length of a bar graph drawn therein; and a second output displaying segment () arranged in a range including at least portions on left and right sides of the first contents displaying segment () and the first output displaying segment () and a portion above the first contents displaying segment () and the first output displaying segment () at an outer circumference of the first contents displaying segment () and the first output displaying segment () and indicating a second output of the vehicle with a length of a bar graph drawn therein.