VEHICLE DISPLAY DEVICE

A vehicle display device includes a display device that emits a display light. The display device has a display, a circuit board formed of a conductive metal material and on which a light source is mounted, and a backlight case that accommodates the light source and the display. The circuit board includes a main body on which the light source is mounted and which is connected to ground, and an extension portion extending from the main body toward the display. When assembled to the backlight case, the main body is positioned so as to be exposed from the backlight case and the extension portion is positioned in contact with the display so as to connect the display to the ground via the extension portion and the main body.