Liquid crystal displays, aka LCDs, are old. Really old. It’s been 20 years since the technology’s arrival on the TV scene, a period long enough to see the demise of CRT, plasma and rear projection. LCD is still dominating the TV market against the remaining large-screen display tech, OLED.
Compared to those other technologies the main advantage for LCD is that it’s been relatively inexpensive to manufacture. That means dozens of companies around the world can build and sell LCD TVs profitably, leading to rapid decreases in pricing. As a result you can get huge screen sizes for very little money.
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