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Liquid crystal display
is a type of display widely used in computer monitors, television, watches,
aircraft cockpit displays, signage and many other electronic devices. Samsung LCD TV are
usually more compact, lightweight, portable and efficient than cathode ray tube.
They utilize two sheets of polarizing filters with a liquid crystal between
them. An electric current passed through causes the crystals to align so that
light cannot pass through them. Images in color or monochrome are produced by
electronically modulated device that controls currents. The sandwiching liquid
crystals are between two finely grooved surfaces, where the grooves on one
surface are perpendicular to the grooves on the other. The crystals are forced
into a twisted structure, which also twists the light passing through by 90 degrees.
No voltage is applied; polarized light can pass through the lower analyzer.
The liquid crystals are
very sensitive to temperature and are often used to make thermometers. A fair
amount of heat and high temperature difference may also spoil the crystals and
cause leakage. It is commonly used to display characters and graphic images
when connected a host system. A Samsung LCD TV module consists of a TFT panel,
driving-circuit unit, and backlight system and assembly unit. The color filter
contains the black matrix and resin film containing three primary color - red,
green, and blue - dyes or pigments. The two glass substrates are assembled with
a sealant, the gap between them is maintained by spacers, and LC material is
injected into the gap between the substrates.
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LCD technology has been
in use for several years. Many of us remember the days of CRT computer monitors
but most people have moved on to LCD computer monitors. The technology used for
computer monitors has evolved to high definition televisions and they are
growing fast. Samsung LCD TV have more of a matte finish. Because of this, Samsung LCD TV are a great option for theater rooms, kitchens, living rooms and just
about anywhere else. You don't have to be stuffed in a cave to see the
picture.LCD is available in a very wide size range. LCD kinds of Televisions
don’t have any cathode ray tube. Cathode Ray Tube (CRT) can be a gun which
hastily shoots out electrons at the facade of your typical Television.
Samsung LCD TV, especially
those measuring less than 35", are very reasonably priced. Moreover, they
require very little power and maintenance that's why they are very economical
to operate.LCD TVs is easier to ship and transfer from one place to another.
Plus, of course, you pay less for the shipping cost.Samsung LCD TV are fairly durable,
sturdy and are easier to install than plasma TVs because of their little. The
viewing angle of a typical LCD screen is 175 degrees. This means, you can view
the picture on the screen clearly from dead center to about 87 degrees on
either side of the screen.Samsung LCD TV are backlit and do not reflect light from the
outside. Because of this, they look better in natural lighting situations,
thus, are more versatile. Sizes of LCD TVs start come in a wide range, often
from 13 to 65 diagonal inches.
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LCD TV where designed
to be computer monitors. It is advisable that you buy an Samsung LCD TV with a built in
tuner if you want your LCD monitor to be used as a TV and a computer
monitor.LCD televisions and monitors consume less power than other display
types, are lightweight and produce a bright picture. The latest in LCD
technology has increased the power savings and a slimmer profile. Samsung LCD TV have poor contrast ratios. This is due to backlighting shining
through the panel. Color can distort when looking at an LCD from an angle
especially with older LCD monitors. Because of the backlighting, pixels on an
LCD are unable to generate light independent of the rest of the picture. Color
accuracy suffers on Samsung LCD TV due to this fact. Color saturation is
reduced at low intensity levels due to a poor black-level. Images are
satisfactory but not accurate due to problems with black-level, gray-scale and
Gamma.
Each pixel on a plasma
television is able to control brightness and color individually. This increases
contrast ratio and color accuracy. Viewing angles on plasma televisions are
outstanding, and they are much cheaper than LCDs. The Samsung LCD TV is good when watching
at the very center, but the more you get farther from the center though you can
still look at the images at the screen you cannot fully watch the images very
well. The refresh rate is slower. LCD TVs have refresh rates from 60 Hz to 240
Hz, whereas plasma TVs refresh anywhere from 400-600 Hz. It makes a difference
when watching sports on HD channels and playing HD games like PS3 and X-BOX
360.The viewing angle for most Samsung LCD TV is very narrow. Slow response times and
scan rate conversion result in severe motion artifacts and image degradation
for moving or rapidly changing images.
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Liquid-Crystal TV is
not static images, such as channel logos, or because there is no problem with
burn-in, and the image resolution is better. The energy consumption is also
less likely to create less heat. One of the advantages of Samsung LCD TV is radiating from
the display. So there is less chance of cancer, while all the time to watch
television.Samsung LCD TV has excellent contrast and brightness. This is an anti-glare
technology that makes it better in bright conditions and the brightness range
is even wider. LCD TV block light to create a black that is the transport cost
in a better light. Since the LCD does not emit light like the rest of the
TV-screen LCD glass does not reflect light like other television screens. The
LCD TV has a good viewing angle. Common Samsung LCD TV has a viewing angle of 175
degrees, which means you can see the image from the center to 87 degrees on
both sides almost any angle.
It has a shelf life
compared to television technology. Since life is a TV measured in a half-hour
or 50% of its original brightness of the Samsung LCD TV has more than 30 000 hours or
16 to display up to 6 hours per day. It can handle high-altitude, so people are
leaving in high places have Samsung LCD TV. Since it is easier than some TVs it can
easily come with shipping costs less. This type of TV is useful at this time of
crisis for what can be bought at a lower cost than less maintenance.
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Samsung LCD TV technology
has nearly caught plasma in gray scaling color accuracy. Plasma continues to
exhibit more richness in color information and more natural coloration. SMPTE
color coordinates in top plasma TVs still normally outperform those in LCDs,
which tend toward oversaturation. LCD (liquid crystal diode) displays, by
contrast, utilize electric charges to twist and untwist liquid crystals, which
causes them to block light and emit blacks. The higher the voltage passing
through the liquid crystals in a given pixel, the more fully those crystals
untwist and effectively block light - all of which makes these pixels darker. Samsung LCD TV slim style refreshes your living space and uplifts your emotions,
creating entertainment that is more enjoyable. Its pristine picture quality
offers an outstanding HDTV experience that redefines how you connect to the
digital world.
LCDs contain backlights
(usually a type of fluorescent tubes); the brightness is easily improvable to
very high levels. LCDs rely more on the effects of lighting for depth
characterization and images at times can appear flatter. Samsung LCD TV displays reproduce colors by manipulating
light waves and subtracting colors from white light. This is an inherently
difficult template for maintaining color accuracy and vibrancy - though most
LCD displays manage quite well. While color information benefits from the
higher-than-average number of pixels per square inch found in LCD displays,
LCDs are simply not as impressive as plasmas with similar pixel counts. LCDs produce a typically brighter picture. Greens
sometimes look too green and reds can run a bit warm, but in a room with bright
outdoor lighting, a Samsung LCD TV would be my choice.
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Samsung LCD TV
televisions surpassed sales of CRT-based televisions worldwide for the first
time, and their sales figures relative to other technologies are accelerating.
LCD TVs are quickly displacing the only major competitors in the large-screen
market, the plasma display panel and rear-projection television. The TFT LCD is
explained as Thin Film Transistor Liquid Crystal Display. There lies a Thin Film
Transistor arranged and so, it is called as Thin Film Transistor Liquid Crystal
Display. These Liquid crystals takes neither a solid or liquid form.
LCDs have many
characteristics that have caused their demand to increase over the past several
years. They are lightweight, aesthetically appealing, energy efficient and
long-term cost effective. Samsung LCD TV are consistently embracing and
renovating their product and trying to achieve the best of the best for the
consumer. There are many advantages to their research and creations. There are
several disadvantages. LCD structure projector’s projection systems are not
sealed as in DLP structure projectors and the air filters should be changes or
cleaned periodically which raises Total Cost of Ownership and also costs your
time. Samsung LCD TV is an abbreviation for Liquid Crystal Display. This type
of display is made up of a matrix of liquid crystal pixels. Each pixel is
divided in to the three primary colors red, blue and green. An Samsung LCD TV
panel is lit by fluorescent lamps in either side or backlit configurations, and
when this light passes through the individual cells or pixels the colors which
make up the on-screen image are displayed.
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A University of
Missouri graduate in the early 1960s, Fergason went on to Westinghouse Research
Laboratories. The breakthrough for LCD TV came in 1969, though, while Fergason
was Kent State University Liquid Crystal Institute associate director. Fergason
discovered the twisted nematic field effect. The first LCD TV display was
conceived by inventor and electrical engineer George Heilmeier in May
1968.Liquid crystals were first developed in 1888. LCD televisions surpassed
sales of CRT-based televisions worldwide for the first time and their sales
figures relative to other technologies are accelerating. Samsung LCD TV are quickly
displacing the only major competitors in the large-screen market, the plasma
display panel and rear-projection television.LCD TV technology is based on the
concept of liquid crystal display, now used as the world's most popular
flat-screen technology. An Samsung LCD TV contains a pair of transparent
surfaces. Grooves are cut into these and filled with liquid crystal. By use of
transistors, electric current is applied to the liquid, thus twisting the
crystal in what would become known as the "twisting nematic field
effect." The process of twisting and untwisting the crystal blocks light
to the given area of the LCD TV display.
Samsung LCD TV work by using a backlight to shine light onto
millions of electrically controlled pixels. These pixels are directed to block
or pass certain wavelengths of light and work in unison to produce the picture
seen on the screen. Samsung LCD TV
displays are available to display arbitrary images (as in a general-purpose
computer display) or fixed images which can be displayed or hidden, such as
preset words, digits, 7-segment displays, etc., as in a digital clock. They use
the same basic technology, except that arbitrary images are made up of a large
number of small pixels, while other displays have larger elements.
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