An image display device capable of maintaining continuity of images of adjacent image display elements on a display screen that is composed of a plurality of image display element includes image display elements (1, 2) and a prism (3). The prism (3) is an L-shaped prism having two planar surfaces, and image display elements (1, 2,) are arranged on the portion of the prism that corresponds to the rear side as seen from the viewing direction (9). Image display elements (1, 2) are arranged such that the virtual images (5, 6) of the image display portions of each are optically continuously connected in the prism (3).