Looking for 4K TVs on sale? Save on Sony, LG, Samsung, Sharp, and more

Brand new week, brand new TV? 
If you're in the market for a 4K TV and are on the hunt for a sale, then you're in luck. We've gathered the best deals from Amazon, Walmart, Best Buy, and the Samsung Store on 4K smart TVs, featuring top name brands like Sony, LG Electronics, Samsung, Sharp, and more.
Starting with TVs that are 40+ inches, Samsung's Flat 40-inch 4K UHD 7 Series Smart TV is on sale for $377.99 on Amazon, while Sony's 49-inch Class LED X900F Series Smart 4K Ultra HD TV is priced