As we all expected, the big news at CES this year was Ultra HD 4K displays. It seemed that every TV manufacturer had one, ranging from massive LED LCDs to midsize LED LCDs to midsize OLEDs. We've ...

Ultra HD, colloquially known as "4K," is everywhere on TV shelves and online this year. Previously restricted to only high-end models, 4K resolution has become so inexpensive that your next 50-inch or ...