The liquid crystal display (LCD) offers several advantages. With its flat screen and slim footprint, an LCD takes up much less space than a cathode ray tube (CRT) display. A 15" LCD has approximately the same viewable area as a 17" CRT. LCDs are available in brightness levels that far exceed those of typical CRTs, which makes them the right choice for high-ambient-light environments. An LCD also delivers a flicker-free image with as little as two-thirds of the power consumed by a CRT. An LCD provides a lower lifetime cost than a CRT because the average expected life of an LCD backlight is 25,000 to 30,000 hours. This represents three to four years of use for a display operating 24 hours a day, seven days a week. These benefits do come at a higher price; a typical LCD costs one and a half to three times more than a typical CRT.
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