IMAGE DISPLAY DEVICE, IMAGE DISPLAY SYSTEM, AND MOBILE BODY

An image display device includes a display panel, a barrier panel, and a controller. The display panel is configured to be able to form a one or more first display region, to be able to display a right-eye image in a one or more right-eye visible region of the one or more first display region and display a left-eye image in a one or more left-eye visible region of the one or more first display region. The barrier panel is configured to be able to form a one or more first barrier region and to form a one or more light-transmitting portion and a one or more dimming portion in the one or more first barrier region. The controller is configured to display a portion located in the one or more first display region as one parallax image frame including two sub-frames. The controller is configured to form the dimming region in entirety of the one or more first barrier region during a frame change period including a timing of changing a display from the parallax image frame to a new parallax image frame.