In an image display device having a parallax barrier element, a bright display with a broad viewing range can be realized.The image display device according to the present invention includes: a display panel having a first group of pixels for displaying a first image and a second group of pixels for displaying a second image; and a parallax barrier element for separating display light emitted from the first group of pixels and display light emitted from the second group of pixels, the parallax barrier element including a plurality of light-shielding portions and a plurality of light-transmitting portions which are alternately positioned within the same plane. The parallax barrier element includes converging elements respectively provided for the plurality of light-transmitting portions.