“What is LED? What does it do?”

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• LED is short for Light Emitting Diode. These little diodes make up the display on the TV. Older TV's would use a Cathode Ray Tube to produce the picture by shooting three colors to the back of the screen which was coated so the rays would burn the picture onto the screen. That is why you couldn't leave a still picture on the screen for too long because it would burn holes in the coating. With LED's you don't have to worry about that. Technology is wonderful isn't it.

  Answered by Anonymous 9 years ago

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• LED, or light emitting diode is actually the back lighting for the TV screen (just like LED lights in your house) The screen is composed of an LCD or liquid crystal display. LED is has nothing to do with the pixels that make up the image. Older LED TVs used florescent tubes for back lighting. Many times you will see TVs described as LED/LCD.

  Answered by EdL2103 8 years ago

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• The TV is an LCD TV with LED backlight.

  Answered by marvod 9 years ago

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• LED is the display.

  Answered by CommunityAnswer 9 years ago

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