PTC LED-walls or an LED Video walls is a large screen made of light-emitting diodes that display visual content like videos, images, text, and other forms of graphics. It gives the feeling of a massive, luminous wall that has no junctions between the various modules that make it.Therefore, it allows the covering using videos and the digitization of any space in continuity. LED video walls initially were used as outdoor digital signage and had begun as monochrome. When RGB LEDs' color hit the market, everything changed.