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LCD = Liquid crystal display

LCD TV technology is based on liquid crystals which align themselves when activated by electric current. This alignment process, in conjunction with color filters and a fluorescent light sitting at the back of the screen, produce the desired color and intensity to be displayed.

Plasma TV technology is based on Plasma gas made up of xenon and neon contained in tiny chambers or pixels on the screen. Each pixel is coated with phosphor and made up of three fluorescent lights - red, green and blue. When lighted, they make the phosphor coating to glow to the desired color and intensity on the screen.

LED TV's make use of similar technology as LCD's with a single difference- their source of backlight illumination is not florescent- it is LED. Rather, they are considered to be next in line to their predecessors LCD's. Not only is their picture quality dynamic in nature, they consume much less amount of power as compared to the LCD's. With a broad viewing angle, they can even be placed on the walls- the viewing experience would still remain excellent. Though, they are much more reliable- they are hugely expensive.

plasma led lcd difference

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