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(Quantum dot LED) A display technology that uses phosphorescent crystals to improve the LED backlight on an LCD TV. In 2017, Samsung introduced its QLED line of 4K TVs, which are LCD-based TVs augmented with quantum dot nanocrystals. QLED TVs, which come in sizes up to 98 inches, are highly praised for their viewing quality and are the only LCD technology that gives OLED a run for its money. However, OLEDs have the best viewing angle and are lighter, thinner and use less power than QLED.
