The technology of a Plasma television is based loosely on a fluorescent light bulb. The display in itself consists of cells. Between every cell, a little space separates the two glass panels wherein a neon-xenon gas gets injected and then sealed in the form of plasma during the process of manufacturing. The gas is then electrically charged at some specific intervals when the Plasma TV set is finally in use. The gas which is charged, then strikes red, blue and green phosphors, hence creating a television image finally. Each different group of red, blue and green phosphors is called a pixel or a picture element. Although Plasma TV technology eliminates the requirement for the huge picture tube and electron beam scanning of regular televisions, because it still however employs the burning of phosphors to produce an image, Plasma TVs still do suffer from a number of drawbacks of traditionally big televisions, like heat generation and screen-burn of the static images.i.e. www.audiovideoking.com

LCD televisions use an entirely different technology. Basically, all LCD panels are made up of two layers of a transparent material that are polarized, and are then glued together. One of these layers is then coated with a particular polymer which holds the individual liquid crystals. Then the current is passed through the different individual crystals, which allow all the crystals to block or pass light to create images. LCD crystals can not produce the light of their own, so an external light source, like a florescent bulb is required for the image formed by the LCD TV to become visible to the viewers.

Unlike standard Plasma and CRT televisions, because there are no phosphors which lights up, less power is required for the operation and the source of light in an LCD TV produces less heat than any Plasma or the regular traditional televisions.

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