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LED is a technology used in LCD monitors for improving the energy efficiency of the system

2nd answer:

Also to make the colors and picture sharpness much better.

An LCD screen puts out no light. Zero. So in the older LCDs, fluorescent lighting behind the screen was utilized, but the color tended to be a titch on the green side.

And the LCD screen that is lighted by LED lights behind it has no such color problem. Also, since the LEd lights can be made so tiny, the picture on an LED LCD is sharper.

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