The Technology Of Plasma Display Panels, Or PDPs, Is A Very New One. The

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Term Paper Title	The Technology Of Plasma Display Panels, Or PDPs, Is A Very New One. The
# of Words	1227
# of Pages (250 words per page double spaced)	4.91

     The technology of Plasma display Panels, or PDPs, is a very new one. The
release of these flat paneled televisions began around 1996. There isn’t yet a company
who has come out with a display panel with the contrast and/or color quality of the
regular CRT displays.  PDPs are hoped to obtain this quality through more advanced
research, to allow them to lower prices and have them hang on the walls of all homes.
This would eliminate the need for TV stands and the extremely heavy, large screen
CRT TV’s, thus also cutting down on shipping charges for mail order.  PDPs have a
somewhat similar function to that of the CRT with the process of exciting Phosphors,
to glow and produce an image.
     Plasma Displays are very unique machines. They combine the large screen of a
retro projection monitor, the pixel structure of an LCD panel, and the color-generation
system of a conventional, CRT-equipped television. Each individual pixel in a plasma
display contains red, green, and blue phosphors, along with a series of electrodes. The
structure somewhat resembles that of a light-emitting diode (LED).  (Putman )
     When voltage is applied to one of the three terminals in an individual pixel, it
discharges through the pixel to a second electrode, ionizing a rare gas (plasma) in the
process. This ionization creates ultraviolet light, which in turn strikes a red, green, or
blue phosphor and causes it to glow. Depending on the level of voltage applied and the
duration of the charge/discharge cycle, the phosphor will either glow dimly or brightly.
(Putman )
     In theory, each color has 256 levels that can be expressed this way, resulting in a
24-bit (16.7 million) color palette. The use of a third electrode provides faster and
more accurate control of the charge/discharge cycle, which in turn allows for faster
picture refresh rates. (Putman )  As a result, moving images from video can be
displayed with picture refresh rates up to 75Hz.  For the future of computer monitors,
this will be helpful for producing ones that are less painful to the eyes when stared at
for long periods of time.
     The plasma displays do show off bright colors due to this excited-phosphor
system which is basically the same way a CRT monitor produces color. But PDPs do
not produce the radiation or high voltage produced by the electron beam. They just
have a small pixel structure which is why they can be manufactured so thin.
     Because of the thin profile, Plasma Display Panels are manufactured with a
considerab...

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