1. An image display method comprising: receiving image data including a black region and a white region; determining a boundary between the black and white regions; determining a pixel to be corrected which is adjacent to the boundary; determining a direction of the boundary and an arrangement of the black and white regions with respect to the boundary; converting pixel data corresponding to the pixel into corrected pixel data based at least in part on the boundary direction and the arrangement; and displaying images on a display device based at least in part on corrected image data including the corrected pixel data, wherein the display device comprises first and second pixels that are alternately arranged along horizontal and vertical directions, wherein each of the first pixels comprises first and second sub-pixels respectively displaying first and second colors, wherein each of the second pixels comprises a third sub-pixel displaying a third color and the second sub-pixel, and wherein the image data comprises first to third sub-pixel data respectively corresponding to the first to third sub-pixels.