PROS and CONS
PROS for OLED would be the level of detail is unrivaled to other types of tvs, allowing for very vibrant colors.
Cons for OLED would be it being more expensive to manufacture the display, where the cost is passed down to consumers, there is also a burn in effect.
PROS for QLED would be how much more affordable they are compared to OLED and still offer a good viewing experience
CONS for QLED would be the ability to spread black tones evenly across the screen is not always the best, so a halo effect occurs around objects