Abstract: According to the present invention, there is provided a mobile-object-mounted display device (1, 1A) that is mounted on a mobile object (20) and performs display toward an outside of the mobile object (20), including one or a plurality of light emitting elements (3d) and a light emitting element support body (3e) that supports the one or plurality of light emitting elements (3d) along a surface having a three-dimensional shape.

Abstract: A cover member (1) includes a curved upper surface (U1) that covers an upper wall portion (U) of a radiator grill (R) from above, wherein the curved upper surface (U1) includes a sealing material dispositioning region (R1) in which a foam sealing material (S) is provided and which is surrounded by a frame-shaped protruding portion (1b), and a sealing material non-dispositioning region (R2) disposed adjacent to the sealing material dispositioning region (R1), in which the foam sealing material (S) is not provided, and a maximum curvature (C1) of the upper surface (U1) in the sealing material dispositioning region (R1) is set to be smaller than a maximum curvature (C2) of the upper surface (U1) in the sealing material non-dispositioning region (R2).