LCD televisions are always flat paneled in their design and basically make use of the same technology (known as Liquid Crystal Display) that is also to be found in other electronic equipment such as computer monitors, cell phones and camcorder viewfinders. This technology is being used more and more all of the time. The panels used in LCD are constructed with two different layers and consist of a material very much like glass. The layers are polarized and also affixed together. A special polymer is used to cover one of the layers, but not both, and it is this layer that is responsible for holding the liquid crystals together that make up the LCD set. What then happens is that electric currents make their way through the individual crystals and it is the crystals alone that allow light to either pass through or block the image(s) that the television set emits. A light source external to the crystals is necessary for a LCD television to work properly as the crystals are not capable of making their own source of light. A florescent bulb is generally employed and it is the action of this bulb that allows the television watcher to see the picture on the screen.

Other advantages of LCD screens is that they are lightweight and very easy to move from place to place and they are a great deal more energy efficient than the CRT models. Also eyestrain is reduced when watching a LCD set.

But there is a downside to LCD technology. These sets, as previously mentioned, tend to be pricey and often display colors that appear washed out and not vibrant. Blurry images are very common with LCD sets, especially when it comes to fast moving objects onscreen.


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