The definition of a LED display is the number of vertical and horizontal pixels composing the whole screen. For instance, standard low definition modules are 96 x 64 pixels, common medium definition modules are 256 x 192 pixels, while frequent high definition modules are 640 x 480 pixels. As we can see, the Definition is extremely dependent on the distance between pixels. According to that idea a 96 x 64 pixels module has more distance between the pixels than a 640 x 480 pixels module, and that is the reason for the first one to have a lower definition that the second one.