Types of TVs

LED, OLED, QLED, Ultra HD 4K, and 8K.

OLED and QLED are often compared the most, the picture quality is better on the OLED, however this does not mean that the QLED is a bad tv it is just a step below OLED

OLED stands for "organic ligh emitting diode". QLED stands for "quantum dot LED TV"

QLED is closer to regular LCD than it is to OLED.

With 4K and 8K tvs, 8K has a higher resolution than 4K