A layout of LCD panels and a size of the mother substrate are disclosed, to improve the efficiency in arrangement of the LCD panels, and to maximize the substrate efficiency, the layout comprising a mother substrate; a dummy region of 15 mm or less in a periphery of the mother substrate; and six LCD panels of the 26-inch model in a matrix of 2×3 on the mother substrate excluding the dummy region with a margin corresponding to 2˜4% of a length of the LCD panel.