Display device and unmanned helicopter

An unmanned helicopter comprising:

• a display device, the display device including:
• a light source portion including an LED that emits light at least in a first direction;
• and
• a cover portion covering the light source portion while being exposed to an outside;
• wherein
• the cover portion includes an opposed portion opposed to the light source portion in the first direction of the light source portion, and a side wall portion extending from an outer edge of the opposed portion in a reverse direction from the first direction;
• the opposed portion includes a straight-through portion which allows light emitted from the light source portion to travel straightly;
• the side wall portion includes a first scatter portion which scatters the light emitted from the light source portion;
• and
• the first scatter portion is provided on a portion of the side wall portion which extends from top to bottom so that its lower end portion is on a more inward side of the cover portion in terms of a left-right direction than is its upper end portion in a rear view, and the first scatter portion is visible in a bottom view.