To provide a display device for displaying video for reducing discomfort of an occupant due to a video display.SOLUTION: A display device for displaying a virtual image so that an occupant of a movable body can visually recognize the virtual image through a transmission member includes: video generation means 23 for generating video projected as a virtual image; attitude information acquisition means 21 for acquiring information about an attitude of the movable body; and processing means 25 for performing processing for changing the display in accordance with the information about the attitude acquired by the attitude information acquisition means.SELECTED DRAWING: Figure 7