Curved tv 4k tv display technologies led hdr screen size 55 inches digital tuners freeview tv dvb t freeview hd tv dvb t2 screen diagonal 138 cm energy rating a manufacturer picture index 2200 pqi resolution 3 840 x 2 160 pixels aspect ratio 169 optimal distance from screen 345 m recommended room size medium 15 25 m suitable for football home cinema playstation 4 xbox one hdtv compatible widescreen processor quad core operating system ti