They enable thinner flat-panel TVs and save energy, but until just recently, the color has been inferior to what older technologies delivered, leaving us to sing the LED backlight blues.
Somewhere along the line, thin and light supplanted picture quality as the secondary priority for TV purchases; the primary consideration for most of us being price. Perhaps it was the memory of the CRT behemoths that preceded the LCD revolution, or maybe the difficulty in wall-mounting the first generation of heavier CCFL-backlit LCD TVs. But when the first lightweight, thin-panel LCD TVs showed up, CCFL types disappeared from store shelves in a hurry.
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https://www.techhive.com/article/3051792/tv-tech-terms-demystified-part-four-led-backlighting.html
