LG has announced that next year, it will have a new set of 4K TVs to slot between its existing Ultra HD LCDs and super-colorful OLED models. These are different because they use quantum dot technology, which LG says will make for a wider color palette and better color saturation than regular LCDs. Sony's already using the technology in its high-end TVs, and reports have indicated that Samsung will offer LCDs with quantum dots as well. The tech used here will use nanocrystals in sizes of 2 to 10 nm that show a different color based on their size, laid in a film over the usual IPS LCD. LG has committed heavily to OLED as a display technology of the future, but even with prices dropping rapidly, it's still out of range for most buyers. As a result, improving traditional LCDs -- and trying to convince folks to upgrade to 4K at all -- is where the key battles will be. The new TVs will be available in 55- and 65-inch versions at first, and you can be sure we'll be taking a close look at them in Las Vegas next month.