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Flat Panels
Everybody seems to want a flat panel TV. They're thin, sleek, and
sexy. But more than their looks, their small depth gives you back
lots of floor space in your family room, bedroom, or den. With
their ability to hang on a wall like a picture, you don't need to have
furniture to hide them. Flat panel displays have wide viewing
angles so people sitting off to the side will still see a great picture.
With sizes from 19" to 70" flat panels are small enough to fit under
your cabinets in the kitchen or master bathroom and large enough to
deliver a convincing movie experience. Because they are so thin,
flat panel displays can be recessed flush in a wall and even hidden
behind artwork.
Flat panel displays deliver large, sharp, bright, colorful pictures with
a very small foot print. Because they can be hung on a wall or
placed on a narrow table or cabinet, a very large television does not
have to dominate the room. Special articulating brackets let you
swing the display away from the wall so it is just the right angle when
you are watching it. When the television is off you can stow the
display flat against the wall, out of the way. LCD and plasma
displays are much brighter than rear projections sets so they work well
in rooms with high ambient light, like family rooms and dens.
Two technologies that are used for flat panel televisions are plasma
display panels (PDP) and liquid crystal displays (LCD). Both types
are called "fixed pixel displays," meaning the picture is made up of
millions of red, green, and blue cells called pixels. In both
types of "glass sandwich" of sorts is used and electricity applied to a
given cell causes the cell to light up. In plasma displays the
light comes from glowing phosphor lining the cells, similar to tube
televisions. In LCD, a light source behind the cells provides the
light. Plasmas displays run hotter and use more power than LCD but
they generally have higher contrast and produce better blacks. LCD
displays are generally brighter than plasma displays but they can
exhibit some 'lag' or smearing in scenes with fast motion. Plasma
displays are subject to 'burn-in' when static images are displayed for
long periods of time - LCD is not susceptible to bur-in. LCD also
promised a longer life than plasma, though life expectancies for plasma
are still greater 15 years with normal use. The difference in
picture quality vary more by brand and model than simply by the type of
technology. One of the greatest factors in picture quality is
video processing - the chip-based technologies that tell the display how
to control the pixels. Better processing costs more money.
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