CES 2015: Find out all about the thinner and brighter 4K TVs

Also known as Ultra HD, 4K offers four times the sharpness of today's high-definition video - in a sleeker package than ever before. At the annual Consumer Electronics Show (CES) in Las Vegas, major manufacturers unveiled dozens of new 4K TVs in a variety of shapes and sizes. Although everything is supposed to look better on these 4K sets, there isn't too much of 4K content yet that is specifically designed to take advantage of these extra pixels. But, the good news is these TVs have significantly dropped in price with some known models now available for less than one thousand dollars.