Archive for December 13th, 2008

plasma
Peter A. Manx asked:

Your plasma television is a major investment and you want to showcase it to its best advantage. When purchasing a TV stand for your plasma TV, appearance is everything. You want a stand that will look good and be a perfect fit for your television. Presentation plays an important role in the kind of stand you will select. Another deciding factor in what kind of plasma television stand to buy is where you want to place the television.

Since plasma TVs are usually wider than standard televisions, the plasma stand you select will be larger in size. If you are upgrading from a standard TV to a plasma television, you might have to find a totally new location for the stand itself.

Plasma stands provide display and shelving options designed specifically for heavier plasma TVs. Combining strength with stability, extra-wide TV stands can accommodate plasma screens as well as the larger direct view TVs. Before making a final selection, check the manufacturer’s product information for weight capacity.

A plasma TV stand should enhance your viewing environment. When selecting a stand for your plasma television, take into consideration the existing furniture in the room. You will want to match the color and style of the stand to the other furnishings.

What kind of effect would you like to achieve? If you would like to make the plasma television stand a focal point of the room, select a classic wood stand with a rich warm finish. For an edgy, contemporary feel, if you would like to create the illusion that the television is “floating,” choose a stand made of glass and metal.

Metal plasma TV stands are durable, strong and easy to assemble. Many types of metal plasma stands include glass shelving. They tend to be sleek and stylish, typically open concept in design. When selecting a metal plasma stand that includes glass, make sure that it is tempered, since it will be stronger and safer than regular glass.

A plasma TV cabinet can be made of a variety of materials including wood, metal and wood and metal. They generally offer enclosed storage options for tapes, DVDs and other accessories that hide them for view. A plasma lift television stand resembles a cabinet, but has a built-in lift mechanism that raises the plasma TV for viewing purposes and lowers it when not in use. When retracted inside the cabinet, the television is protected from potential damage. A plasma lift TV stand tends to be larger and heavier than other types of TV cabinets for plasma televisions.

Pedestal TV stands are great for displaying your plasma screen because they put the focus on the television itself and create that floating in space effect. However, because the base is narrower than the width of the television, extra precautions must be taken to stabilize the TV. Depending on the manufacturer, a pedestal TV may also include bolts so that it can be secured to a wall.

A corner television stand might be the ideal decorating solution for a smaller or awkward-shaped room. Designed to fit into a corner, corner TV stands still offer the wide counter dimensions needed to properly display your plasma screen, while utilizing an area that might otherwise be considered “dead” space. Since they are available in a wide variety of styles and materials, you’re sure to find a corner television stand that will perfectly match your decor.

A swivel TV stand is the ideal way to obtaining optimum viewing from your plasma screen, allowing you do adjust the line-of-sight. They come in a variety of different styles and designs. When selecting the right swivel stand for your plasma TV, make sure that it will accommodate the television; also check the weight capacity.

The type of plasma TV stand you choose will mostly depend on the size and weight of your television and how you would like to display it. With these basic guidelines, choosing a plasma stand should be a simple and enjoyable experience.

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lcd
Parimala Devi asked:

LCD TV s are modern digital equipment using liquid crystal displays to indicate pictures. An LCD display is actually composite microscopic window panes that flicker from opaque to clear when they are powered with electrons. The crystals react to the light source – most of the times a fluorescent lamp – and display a given shape or image sequence. The pixels that form the LCD screen have the ability to get turned on and off very quickly, thus allowing moving pictures to be shown on screen.

LCD TV s are some of the most desireable items in electronic boutiques across the world. There are many factors that contribute to the success of LCD tvs, such as image quality and the elegant flat design of the TV. Although their prices were discouraging not long ago, in todays world we see a large selection of LCD TV models and an ever- increasing quality of the products. LCD TVs have a large range of functionality, as they can also be used as computer monitors. Some classic TV fans will dispute that there are also a couple of important cons against LCD technology, such as the limited viewing angle, but the majority of consumers sees the rewards.

Competition for the LCD TV is intense. The main two competitors are plasma TVs and the classic CRTs. Plasma TVs work in differently than LCD TVs – they have a layer of special gas cornered between two translucent walls. A multitude of very thin wires covers the outside part of the screen. Whenever an electrical impulse courses across a wire, it induces the gas to react and glow, thus producing color. Similar to LCD TVs, by quickly turning on and off the screen pixels the TV emulates movement.

The Cathode ray tube – CRT – TVs are still dominant on the market. Although they lack the elegant design of the LCD and plasma TVs, CRTs are cheaper and offer excellent image quality. However, as time goes by, we see more and more progress with LCD TVs. The sleek, space saving design and long lasting promise that the manufacturers offer are some of the arguments in favor of LCD TVs. As the competition between LCD TVs and plasma TVs continues, the consumers are the main beneficiaries, as numbers drop lower and the sharpness of the products improves.

New tv’s are constantly being introduced to the market, the only way I’ve found to know which are the good deals is to read the discussions and href=”http://www.lcd-tv-reviews.com/reviews/”>LCD tv reviews that exist in different places on the internet. It’s only by sharing that we can learn the truths about the different television models.

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plasma
shweta sharma asked:

Businesses are rapidly adopting large high definition TVs and monitors for advertising, video conferencing, conference rooms, entertainment and information display, among other uses. We talked with a number of audio visual consultants, system integrators, distributors, vendors and customers and found there was confusion and misunderstanding as to what is better – LCD or Plasma for large screen use for various applications. Understandable, considering the rapidly evolving technologies, numerous choices, the gamut of reviews and the various applications these large screens are being used. We are hoping we can clarify but research the technologies yourself and make the knowledgeable choice.

Quick Introduction to the Technology: Plasma screens use a matrix of plasma gas cells which are charged by electrical voltage to create a picture. LCD screens are made up of liquid crystals placed between two glass plates. Below we compare the two technologies on features important to businesses.

LCD vs. Plasma Comparison: Size

LCDs are generally lighter and thinner as they don’t contain the gas-filled chambers and heavy glass panels present in plasmas. Historical wisdom was that larger size screens available were Plasma while smaller size screens were LCDs. Today, commercially, Panasonic has 103” plasma while Sharp offers 108” LCD. Smaller size Plasma screens are currently not available. A draw for large size screens. Smaller size Plasma screens are currently not available.

LCD vs. Plasma for Screen Size: A draw for large size screens.

LCD vs. Plasma Comparison: Picture Quality

A number of variables go into picture quality. We will outline them and summarize the findings.

Video Resolution: High resolution is available for both Plasma and LCD screens and resolution is usually comparable for both technologies (1920×1080 is considered as high resolution and available in both Plasma and LCD screens). Lower price models for both Plasma and LCDs have lower resolution and typically for <45” screens they are 1366x768 in resolution or lower. Be sure that you compare apples to apples. Overall: A draw between the two technologies. Data Resolution: Data resolution for LCDs is much better than for Plasma. The number of pixels per square inch on an LCD display is typically higher than any other display technology including Plasma, so LCD monitors are especially good at displaying large amounts of data. For the same reasons, LCD screens will also be better screens for video gaming than Plasma screens. Plasma displays produce a very jaggy image when viewing static images from computer images. Users may want to consider a commercial version plasma if their application calls for a lot of computer use. Color Accuracy: Plasma color richness and naturalness will prevail in rooms with lower to normal lighting due to higher contrast ratio. LCD screen contrast ratio is relatively lower, but with anti-glare & brightness features of LCD screens, LCDs will be better in ambient light or in brightly lit rooms. As businesses usually work during the day in ambient light, LCDs are more desirable for most business applications. Viewing Angle: Plasma manufacturers have made much of their 160° viewing angles. However with new LCDs the view angles are 158°. There is not much difference between the two technologies in viewing angle. Burn-in: There have been concerns with burn-in for Plasma screens especially for static images. However, many Plasma manufacturers have improved their anti-burn in technology. There are no burn-in issues with LCD screens. LCD vs. Plasma for Picture Quality: LCD wins. LCD vs. Plasma Comparison: Life of the Screen

LCDs can be operated 24×7 for 50,000+ hours equivalent to 5+ years of continuous viewing. Plasma, on the other hand, utilizes slight electric currents to excite a combination of noble gases (i.e., argon, neon, xenon), which glow red, blue, and/or green. This is an essentially active phenomenon, so the phosphoric elements in plasma displays fade over time. Typically half life is 30,000 hours but some manufacturers state a new half life of 60,000 hours. At half life, the phosphors in a plasma screen will glow half as brightly as they did when the set was new. There is no way to replace these gases; the display simply continues to become dimmer with use. An LCD TV will last as long as its backlight – and in many models the backlight bulbs can be replaced! Since this is nothing more than light passing through a prismatic substrate, there is essentially nothing to wear out in an LCD monitor.

LCD vs. Plasma for Screen Life: LCD wins.

LCD vs. Plasma Comparison: Power consumption

Plasma TVs use more power than LCD – twice as much. Plasmas use electricity to light each and every pixel you see on a screen – even the dark ones. Also, note Plasma TVs get heated up quickly and require fans to cool the TV.

However, some manufacturers point out that the power use of a plasma TV is directly dependent on picture brightness, whereas an LCD picture requires a constant source of illumination. The theory goes that plasma should use less power over time. But in reality plasma TVs require significantly more power to achieve the same brightness level as an LCD. This is significant, since your investment on UPS (higher KVA) will have to be much larger to give similar backup to a system using Plasma. No wonder, IBMs & HPs never even considered Plasma for their Laptop screens!

LCD vs. Plasma for Power Consumption: LCD wins.

LCD vs. Plasma Comparison: Lightness and Versatility

Both types of flat-panel screens can be wall-mounted. Plasma sets weigh a lot more than LCD screens (even those of comparable screen-size), so setting them up or moving around could be a problem, especially wall mounting in new houses with stud walling. Further the bezel for LCD screens can be removed and a video wall solution can be created – can be quite valuable for advertising and monitoring

LCD vs. Plasma for Lightness and Versatility: LCD wins.

To summarize, while for home video solutions, Plasma may be an OK choice, but for office and professional usage, LCD is definitely the correct choice!

For more information about LCD Monitors visit http://www.sbsil.com/professional-lcd-display.htm

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