PC Magazine reports: "It's hard to distinguish one laptop display from another, let alone the technology behind it, but not all screens are the same. There's been an influx of laptop screens that use LED backlighting in place of conventional CCFL or fluorescent backlighting. This is the future of laptop screens. ... The advantages of an LED screen can be enormous if you have a keen eye for detail and knack for judging colors on the fly. ... Best of all, they consume less power, so they can save significant battery life."
Most modern laptops have an LCD (Liquid Crystal Display) screen. One of the problems with this technology is that it uses a CCFL or fluorescent backlighting which can drain your laptop's battery. LED (Light Emitting Diode) screens produce a better pictures vs. LCD, and consume less power.