Screen Bleed Test for LED - OLED - QLED 2020

In this day and age, we are starting to see 4k TVs for very low prices, each TV will always come with a 14-day return policy, one of the first things you need to do when buying a TV from a Brand you may not have heard of before is a screen bleed test, you can fix the sound with a soundbar, but you can&fix the screen.