LED, but what does that mean, and why does it matter? I break down how this tech can make your TVs brighter, more vivid, and ...

so [Matt] picked up a large 4K TV with a partially faulty backlight for a very affordable price. The new backlight consists of a set of high-brightness LED panels, screwed to a sheet of aluminum.

Govee's camera "sees" what's on your TV to sync up the lights to the colors onscreen. Credit: RJ Andersen / Mashable There are plenty of backlight options available on the market today. From LED ...