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For more than a decade now, OLED (organic light-emitting diode) displays have set the bar for screen quality, albeit at a price. That's because they produce deep blacks, offer wide viewing angles, and have a broad color range. Meanwhile, QD (quantum dot) technologies have done a lot to improve the color purity and brightness of the more wallet-friendly LCD TVs.
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Peter K. B. Palomaki (2022) studied this question.
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