IFA 2012: Sony intros 84-inch 4K Passive 3D LED TV Posted by screeningblog on 14/11/2012 Posted in: Future. Tagged: 3d, 4k, fulhd, gorilla glass, hd, homescreens, ifa, lcd, led, oled, screening, screens, sony, tv. Leave a comment Sony has unveiled its first 4k resolution TV at the IFA technology expo in Berlin. See on www.insideci.co.uk