1. An image reading system which reads images comprising: an image display device which has an image display area to display images having luminosity corresponding to the display gradation and radiates the display illumination according to the luminosity; an image reading device arranged on the image display area of the image display device and the entire image display area is at least covered with a laminated layer arrangement and comprising: a detection surface on which a detectable object is placed; a first sub-area in the detection surface on which the detectable object is placed and a second sub-area which consists of an area corresponding to at least a portion of the image display area except for the first sub-area; and a plurality of photosensors arranged in a matrix form provided in the first sub-area and second sub-area which have permeability, wherein at least a portion of the display illumination radiated from the image display area is permeated and the image of the detectable object is read in the first sub-area.