Thursday, May 7, 2009

A plasma display panel (PDP) (Plasma TV)



Panasonic VIERA G10 Series TC-P50G10 50-Inch 1080p Plasma HDTV


If you demand the best from your viewing experience, the 50-inch TC-P50G10 was created just for you. The new G10 Series boast cinema-quality movie reproduction, clear, smooth sports and gaming action--even Web entertainment. All made possible by Panasonic's Neo PDP technology, which delivers sharp, detailed images, deep blacks and remarkable brightness, all with lower power consumption.

Time spent with family and friends can be even more exciting when you gather around the 50-inch TC-P50G10. 1080p resolution combines with a 480 Hz processor to bring you exceptional clarity and smooth, fluid motion--even during high-speed action. VIERA HDTVs offer incredible black reproduction, with a rated dynamic contrast ratio of up to 1,000,000:1, so you'll get warm, accurate skin tones, gorgeous greens, breathtaking blues and vivid reds. And now, all of your friends and family can get in on the action thanks to an extra-wide viewing angle that provides an excellent view from almost anywhere in the room.

G10 Series Plasma HDTVs meet the high standards set by the Lucasfilm THX Certified Display Program, to faithfully recreate the visual ambience intended by the original movies creators. If you love movies and demand cinema-quality images in your home, this is the HDTV for you.
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A plasma display panel (PDP) is a type of flat panel display common to large TV displays (32 inches or larger). Many tiny cells between two panels of glass hold an inert mixture of noble gases. The gas in the cells is electrically turned into a plasma which then excites phosphors to emit light. Plasma displays should not be confused with LCDs, another lightweight flatscreen display using different technology.
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Plasma is often cited as having better (i.e. darker) black levels (and higher contrast ratios), although both plasma and LCD each have their own technological challenges. Each cell on a plasma display has to be precharged before it is due to be illuminated (otherwise the cell would not respond quickly enough) and this precharging means the cells cannot achieve a true black. Some manufacturers have worked hard to reduce the precharge and the associated background glow, to the point where black levels on modern plasmas are starting to rival CRT. With LCD technology, black pixels are generated by a light polarization method; many panels are unable to completely block the underlying backlight. However, more recent LCD panels (particularly those using white LED illumination) can compensate by automatically reducing the backlighting on darker scenes, though this method--analogous to the strategy of noise reduction on analog audio tape--obviously cannot be used in high-contrast scenes, leaving some light showing from black parts of an image with bright parts, such as (at the extreme) a solid black screen with one fine intense bright line.
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