What measures 3.9-mm thin by 40 inches? If you answered the standard Korean product waif you'd be close. This time, however, we're talking about Samsung's LED backlit LCD featuring a 120Hz refresh and 5,000:1 reported contrast. Yup, that makes it the world's thinnest -- easily besting cross-town rival LG's 5.9-mm thick LCDs -- even if you can't buy it as a complete television package yet.[Via Akihabara News]Filed under: Displays, HDTV