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Plasma TVs
At the heart of the plasma TV are chemical compounds called
phosphors. In a plasma TV, each pixel is made up of three
phosphors – one red, one blue, and one green. These
phosphors emit light when struck by beams of electrons. The
intensity of the electron beam determines the amount of
light emitted. It is the phosphors themselves that create
the light your see on a plasma screen.
LCD TVs
LCD TVs use millions of crystals, which are suspended in a
liquid that is sandwiched between transparent panels. Behind
this liquid crystal sandwich is bright florescent light. The
crystals are instructed to either let the light pass or not.
Color filters are used to determine color.
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LCD TV
Size & Plasma TV Size - Viewing Area and Viewing Angle
In the LCD vs.
plasma TV debate, both types of TVs have always been about
as thin as you could expect or even hope for, and so that
isn't even really a question to consider between the two. If
you like to nitpick, you can discuss the
difference between three-inches and five-inches on different
models,
but when you're talking about a giant TV, that's almost
ridiculous.
One area that needs to considered, however, is viewing
area. In terms of viewing area, plasmas
have always been known for their larger sizes. To a degree,
you can say that remains so. Or, at the very least, you will have a
larger selection of plasma
TVs to pick from. It may take a little time before the
selection of
big LCD models catches up to
the amount of options you have with plasma TVs. LCDs, however, are
improving in this area.
As for the size of
your bank account, that matters as well, of course.
Currently, "in general," a large plasma TV would probably be
a little cheaper than a large LCD
TV of the same size. LCD TVs are improving in price as well, however,
and many predict the two will be comparable in the
price department before long. All else being equal, plasmas tends to
come out ahead on this one
for now. But of course, all else isn't equal. The
battle continues.
LCD and Plasma TV
Viewing Angle
"Viewing angle" is how far off to the side you can sit and
still see the picture completely and clearly. Viewing angle,
of course, is also talked
about with computers, but with a computer, this
type of consideration isn’t usually so important. Computer users
usually sit directly in front of their screens, and
typically there's only one viewer at a time. For TVs, however, viewing
angle can be extremely important. It would be very common to have
viewers sitting
in numerous places all around the room.
Historically, the LCD vs. Plasma battle has been won by
plasma TVs in
this category. LCD TVs have made tremendous strides in this
area of late. Many people will tell you, however, that the 170° field of
vision claimed by some LCD manufacturers simply isn’t realistic.
You may be able to see what’s happening at that angle, but
it isn’t the same as sitting more directly head on. Reports
from some owners of newer, top-of-the-line LCD TVs, however,
say that the 170° is accurate.

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