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What's the Difference Between Plasma TVs and LCD TVs?
By Tom Ace
Plasma and LCD TVs are the latest trend in home entertainment. Both
offer unrivalled picture quality and resolution, while doing away with
the bulkiness of the older rear-projection technologies. But with all of
the hype surrounding these two types of televisions, what is the
difference between them? Although they look- and are virtually
priced- the same, they are not.
There differences are found in the way in which they display their
pictures. Plasma TV technology is made up of hundreds of thousands
of little pixels, each capable of displaying red, green, and blue colors.
A plasma monitor often consists of two panels, which are filled with an
inert gas, such as xenon or neon. When the pixels are excited by
pulses of electricity, the gas becomes liquid, thus generating light. This
light in turn then illuminates the pixels, causing them to display the
appropriate color to form a picture.
LCD panels function in a very similar manner. A panel of thin-film-
transmitters, or TFT, sends electricity to cells filled with liquid crystal.
When the cells are struck by the electricity, the liquid crystals allow
light to filter through. Unlike the pixels found in plasma TVs, LCD
monitors create color by blocking out the appropriate wavelengths
from white light.
So which is better? The answer to this question depends upon what
you plan to use TV for. Do you just want to use it to watch movies
and television? If so, then a plasma TV might be best, because they
are capable of a higher better color saturation and contrast than their
LCD counterparts and for displaying moving images. If you plan in
spending a lot of time showing digital photography or plan on using the
monitor with your computer, then a LCD display might be better suited
to these purposes.
Both plasma and LCD technologies each have their advantages and
disadvantages and your decision should ultimately be based on your
monitor's application. About the Author Tom Ace is the founder of Plasma tv Resources a website providing information on plasma televisions
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