OLED uses a self-emissive panel to deliver deep blacks and precise highlights, while QLED adds Quantum Dots and an LED backlight to existing LCD panel technology to produce brighter images and
ULEDs use similar technology as typical LED/LCDs, but with updated local dimming zones and motion smoothing. OLEDs have individual pixels that illuminate to reduce light blooms and increase color contrast. ULED televisions are much brighter than OLEDs and have twice the lifespan.
QLED vs OLED: which is better and what's the difference? You’ll hear much about the rivalry between QLED and OLED, though they aren’t strictly speaking competing forms of the same technology
Unlike OLED and QLED, it is not a unique screen technology, but instead it is a type of array that can be used alongside other techniques like QLED. What television to choose?

Gaming-friendly 144Hz refresh rates, a slimmer, even brighter panel for its 77-inch OLED TV and a smaller and handier solar remote control should all make these already great TVs even better

I own OLED TV and knew more expensive Q-LEDs ( called Neo from these manufactor ). The dark-sceneries of a OLED is a different world than QLED and as a home-movie-fan the OLED is still the best what exist. But a QLED can be much brighter and is much better suitable for static content. Samsung QLED TVs bring drastically improved color and contrast. (Image credit: Samsung) QLED stands for quantum dot light-emitting diode. If you see a new TV with the QLED label, it means it’s
Best Buy has the TCL 55" Class 5-Series QLED 4K UHD Smart Google TV on sale for $549, for example. The TCL 5-Series Google TV was already killer OLED value, but it's even better for Black Friday
The difference is the size and number of LEDs. Mini-LED has a lot more LEDs, and they're smaller. This might not seem like a huge difference, but it's enough to warrant its own entry on this list Nwr73Y2.
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    • is a qled or oled better