This is not your average 4K TV, this one has ‘Signature’ on it. The LG Signature is a lineup of ultra-premium products that guarantee to deliver the best quality and experience in the category. This time, LG is flexing its technological muscles by incorporating a rollable OLED screen that can hide nicely when not in use — camouflaging into a completely different piece of art in your living room. At the bottom of the screen, a container box also stores pretty much everything you would expect for a TV at this price. But what’s interesting is the TV utilizes dozens…