Abstract: An object of the present invention is to provide a folding image display device that can used in small electronic equipment such as portable information terminals, and in particular, an image display device capable of achieving various screen arrangements and usages of an inflexible image display device section. There is provided an image display device including a substantially plate-like first housing (display unit) having a first display section, and a substantially plate-like second housing (display unit) having a second display section, the first housing and the second housing are connected to each other via a connecting portion so as to be rotatable and/or slidable with respect to each other, the first housing and the second housing are adjustable at any relative angle or position, and the first display section and the second display section can be substantially flush with each other.