LCD
Computer Monitors
Let's
just face it: no piece of hardware
is as alluring as the LCD computer monitor. LCD computer monitors
simply scream "power user," and the good news is they're
finally affordable for the masses.
Of
course, the first LCD computer monitor that have actually slid into
the affordable range are low-end. This is where we come in. Before
you whip out that wad of hard-earned cash and slap a LCD computer
monitor on your desk, you should probably know what you're getting
into. And if cash isn't a concern, you should still know what you're
getting into, because LCD computer monitors are in a far different
league from the CRT monitor that's been monopolizing your desk space
for the last ten (or more) years.
We'll
take you through the technology behind LCD computer monitors, and
then offer up a plate of tips for shopping for that sleek desktop
demon. And remember: you are not alone. Hordes of other computing
enthusiasts are pondering jumping the CRT ship into LCD waters.
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Science
behind Liquid crystal displays
Most
flat-panel monitors use LCD (liquid crystal display) technology.
While you probably grow overly excited in the presence of a flat-panel,
the truth is that you interact with LCD technology on a daily basis.
After all, LCDs are implemented in digital watches, clocks, stereo
equipment, microwave ovens and other devices. Naturally, none of
these displays can run Quake 3 in mind-boggling resolutions (or
any resolution, for that matter), but the technology is nonetheless
very similar to LCD computer monitors' display. Do you use a laptop?
If so, you're using a LCD computer monitor.
LCDs
use rod-shaped molecules (these are the liquid crystals) that flow
like liquid and bend light. When the crystals are unenergized, they
direct light through two polarizing filters, thus delivering a natural
background color. When they're energized, they redirect the light
to be absorbed in one of the polarizing filters. The contrast and
viewing angle are improved along with increased twisting of the
molecules. The LCD panel is basically translucent glass that can
display computerized images using a bunch of these liquid crystals
(each creates one pixel). Knew the science behind, Click
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LCD
computer monitors vs. CRTs
Most
of us have had long relationships with CRT (Cathode Ray Tube) monitors.
Love 'em or hate 'em, they're what we've used, because they're affordable
and dependable. So how do LCD computer monitors stack up against
their tried-and-true CRT cousins? Let's take a look.
1.
Footprint
Don't
know what is a footprint, it's the space that one computer part
take on the desk or in other words the space taken by the foot of
the device. Perhaps the most obvious advantage that LCD computer
monitors have is their small footprint. Sure, we've accepted the
lack of desktop real estate due to our need for 19- and 21-inch
CRT monitors. But until you've yanked that CRT and replaced it with
a LCD computer monitor, you have no idea how much you secretly hate
that monstrous box and all the space it hogs.
2.
Energy
The next LCD computer monitor advantage is one that's likely to
attract nature lovers - LCDs use less energy. While CRTs don't gobble
a spectacular amount of electricity, the amount an LCD computer
monitor can save is still noticeable. Some manufacturers claim their
LCD computer monitors uses only 30% of the energy needed to power
similar-sized CRTs, and some users claim even more. Along similar
lines, LCD computer monitors have very low radiation emissions,
although CRTs have improved significantly in this department in
the last five or so years.
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3.
Image quality and flicker
How does LCD computer monitor display quality compare to CRT display
quality? Not quite as well, unfortunately. CRTs, for the most part,
have better image quality. Not to mention that LCDs are designed
to work in one resolution (e.g., 1280x1024). But there are upsides
here. LCD computer monitors are brighter than CRT displays and many
argue that they're sharper. And because they run at a slower refresh
rate, the age-old CRT flicker problem is almost non-existent on
LCDs. What, you say? Slower refresh rates battle the flicker problem?
On LCD computer monitors, yes. This is because the liquid crystal
molecules have a dampening effect on flicker, and thus higher refresh
rates aren't necessary. For those of you who spend hours upon hours
in front of your monitor, this could mean a much less stressful
viewing experience.
4.
Viewing
flexibility
A CRT monitor can generally be viewed effectively from all angles
- even narrow angles. This isn't the case with many flat-panel monitors.
Although LCD computer monitors are improving in this department,
in many cases when you move your vision off-center, the screen appears
to darken and becomes more difficult to view. Laptop users are very
familiar with this effect, although fixing the problem while using
a laptop is as simple as adjusting the swivel screen with one hand.
However, some pivoting frames included with LCD computer monitors
simplify screen adjustment to the point that you can easily view
the screen from almost any angle with the touch of a finger or two.
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5.
Price
A few years ago, the price of LCD computer monitors alone would
have made the monitor-buying decision an easy one. However, the
price of LCD computer monitors have dropped so dramatically in the
past year that now it's a tough decision. In fact, you can now find
15-inch LCD computer monitors for as low as $200! You should also
remember that a 15-inch LCD computer monitor does not equal a 15-inch
CRT in terms of viewing size. A 15-inch LCD delivers about the same
viewing space as a 17-inch CRT (and a 17-inch LCD roughly equals
a 19-inch CRT, and so on), so keep this in mind when shopping for
LCD computer monitors- that higher price equals more viewing room.
6.
Coolness factor
Sorry, but if you have a LCD computer monitor on your desk, you
are cool. CRT aficionados can argue their case until they're blue
in the face, but the fact remains that a slim display does wonders
for your love life, compared to a hulking and bulky CRT.
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