LEDs have risen from their original occupation as humble indicator lamps to serving as the light source for some of today’s most advanced TVs. Electronics engineers prize the LED for its brightness and cool-running efficiency. Environmentalists and utility companies tout its low power consumption. Videophiles are warming to it for the performance enhancements it facilitates. And average consumers love the way it has slimmed their new TVs. In this article, we’ll explain how the LED works; how it’s used in current-model TVs and in the latest video projectors; and how it’s likely to be used in future displays. Of course, we can’t say exactly what the LED’s future in video will be, but we can say with a great deal of confidence that within the next 10 years, you’ll own at least one LEDbased TV — if you don’t have one already.
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