Major electronic companies such as LG Electronics, Sony, Vestel, Changhong, Skyworth presented OLED TV as main exhibition. In particular, Samsung Electronics’ “Micro LED” exhibition received a great deal of attention.  Samsung Electronics unveiled the world’s first “micro LED” technology-applied 146-inch modular TV, “The Wall.” People came to see the product and it was heated up in a hot issue. Samsung Electronics emphasized that this product is a future screen that is unlimited in image quality, size and form. Through the implementation of the local dimming 3000, “The Wall”, which was unveiled at the exhibition show is developed by brightness, contrast ratio, color reproduction and black display compared to the existing display.