An image display device includes a display panel that includes a plurality of subpixels and selectively displays the 2D image and the 3D image, and a patterned retarder that is positioned in front of the display panel and divides light from the display panel into light of a first polarization and light of a second polarization when the 3D image is displayed. The handle can be moved into or out of an emplacing space, so as to prevent the inner casing from being dropped on a ground surface due to an excessive exertion of force upon pulling out the inner casing from the emplacement sink. , either in the receiver or in a separate unit. First and second printed circuit boards are disposed within the second housing portion. The three-phase AC linear motors are composed of individual components that determine thrust and range of motion.