surface side and is made up of for example a holographic diffuser a microlens array or a diffusion plate when the first screen 30 displays the first display image m 1 first display light n 1 showing the first display image m 1 is projected onto the windshield 200 by the plane mirror 50 and the concave mirror 60 described below and is reflected by the windshield 200 toward a direction of the user e eye box with this the user e can visually recognize the first virtual image v 1 on the other side of the windshield 200 note that as shown in fig2 the first screen 30 in this embodiment has a recessed display area having a cut out portion 30 a obtained by cutting out a part of an edge portion of a substantially rectangular shape so that the part thereof has a rectangular shape therefore the first virtual image v 1 also has a recessed display area note that as shown in fig2 the second projection light l 2 described below passes through the cut out portion 30 a of the first screen 30 to reach the second screen 40 described below the second screen second image formation unit 40 is formed to have a rectangular shape substantially similar to that of the cut out portion 30 a of the first screen 30 and is a transmitting screen for receiving the second projection light.