HEAD UP DISPLAY DEVICE

Provided is a head up display (HUD) device in which occurrence of postcard can be reduced. The HUD device causes an image to be visually recognized as a virtual image. The HUD device is provided with: a projector 100 that emits projection light including light indicating an image; a screen 60 which the projection light reaches; and a light shielding part S that shields at least a part of the projection light excluding the light indicating the image. The screen 60 has a display possible region Rc that is a range which the projection light can reach, and a display region Ra to which the image is projected.