The LG Signature OLED T, aka LG's transparent OLED TV, just made its surprise debut at CES 2024 in Las Vegas. The see-through screen is a total show-stopper, switching between a normal-looking OLED TV to a transparent display with a separated contrast layer that rolls away with the press of a button. Is the best TV at CES 2024? We'll have to see, but it's certainly made a strong first impression at our hands-on demonstration at the show.