Comparing LED and LCD Televisions
According to a 2009 Three Screen report compiled by the Nielsen Co., the average American watches more than three hours of television every day. Flat-screen LCD and LED televisions are becoming more popular.
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LCD
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Liquid Crystal Display (LCD) televisions emerged around 2000 and quickly displaced plasma-screen TVs because of its durability and resistance to burned in images. LCD TVs come in a variety of sizes ranging from hand-held models to screens boasting more than 100 inches.
LED
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Light-Emitting Diode (LED) displays are the most recent development in televisions. LED TVs have LCD screens that use light-emitting diodes for backlighting instead of the compact florescent lamps found in LCD TVs. LEDs use less power and the technology requires less space, allowing the sets to be manufactured thinner. LED TVs have a higher refresh rate, which also gives viewers more realistic motion tracking. High contrast ratios and high resolution also produce realistic imaging.
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Considerations
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As of 2010, LED TVs cost more on average than LCD TVs of the same size. Some viewers might dislike the intensity of imaging produced by LED TVs, but cinematic presets can help soften the effect. Both LCD and LED TVs can function as computer monitors and most screens come with HDMI and USB input ports. Factors to consider when comparing the sets are refresh rate and cost. LED TVs offer a higher standard of performance but at a higher cost. An LCD TV, particularly one with a 240-hertz refresh rate, may suit those with smaller budgets and needs.
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References
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