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from: Plasma Televisions: A Brief Overview
The beauty of Plasma TV have attracted a significant large market such that it became a hit with the past 15 years. Commonly seen Plasma TV ranges from thirty-seven inches and larger.
The largest plasma video display in the world at the 2008 Consumer Electronics Show in Las Vegas, Nevada, USA, North America was a 150-inch (381 cm) unit manufactured by Matsushita Electrical Industries (Panasonic) standing 6 ft (180 cm) tall by 11 ft (330 cm) wide and expected to initially retail at US$150,000.
The basic idea of a plasma display is to illuminate tiny, colored fluorescent lights to form an image. Each pixel is made up of three fluorescent lights -- a red light, a green light and a blue light. Just like a CRT television, the plasma display varies the intensities of the different lights to produce a full range of colors.
Plasma technology is not as new as everyone thinks. The first plasma display was developed way back in 1964 at the University of Illinois and was used primarily for computer screens.
These screens were very popular in the 1970’s because of their low maintenance, large screen size and relatively small profile. IBM followed suit and produced their own plasma screens in 1983, and in 1997, Pioneer sold the first plasma television set.
While Plasma TV is still holding a large part of the market share, popularity begins to decline as LCD (liquid-crystal display) models of television sets forth. LCD offers the same lifetime of the Plasma TV at 600,000 hours and more or less same quality of images at the screen.
One of the biggest drawbacks of a plasma set is the screen burn-in. This is due to the fact that the phosphor compounds which emit the light lose their luminosity with use. As a result, when certain areas of the display are used more frequently than others, over time the lower luminosity areas become visible to the naked eye. This never goes away and the quality of the picture will continue to decrease over time, resulting in a "muddy" looking picture image.
Plasma TV manufacturers however have over time devised ways of reducing the past problems of image retention with solutions involving gray pillar boxes, pixel orbiters and image washing routines, to address the said need.
Plasma TV present advantages outweighs its disadvantages. Such include, higher picture quality, 600,000 hours of life, luxury design and the “thin” effect that everyone looks for.
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