Plasma display
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A plasma display is an emissive flat panel display where light is created by phosphors excited by a plasma discharge between two flat panels of glass. The gas discharge contains no mercury (contrary to the backlights of AMLCD; a mixture of noble gases (neon and xenon) is used instead. Plasma displays are bright (1000 cd/m2 or higher for the module), have a wide color gamut, and can be produced in fairly large sizes, up to 200 cm (80 inches) diagonally. Plasma Displays have a very high "dark-room" contrast (3000:1 or higher), creating the "perfect black" , essential for watching movies. The display panel is only 6 mm thick, while the total thickness, including electronics, is usually less than 10 cm (4 inches). Plasma displays use as much power per square meter as a CRT or a AMLCD television, and in 2004 the cost has come down to $2300 for the popular 42-inch diagonal size, making it very attractive for home-theatre use. The life-time of the latest generation of PDP's is guaranteed at 60,000 hours when displaying video.
Competing displays include the Cathode ray tube, OLED, AMLCD, and field emission flat panel displays.
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