Abstract: In order to display the image from the projector, the image display system includes the blinds installed in front of the window and consisting of Yupo tracing film, transparent acryl, and coating vinyl which are attached to each other and enable to display image, and a projecting unit such as a slide projector or an LCD projector for projecting image to the blinds such that the image from the projector in a building can be displayed on a rear surface of the blinds through the window out of the building so to give effect of transferring information and providing advertisement and publicity.