What's the Difference Between Plasma TVs and LCD TVs?

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.

Tom Ace is the founder of Plasma tv Resources a website providing information on plasma televisions.

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What is the Difference Between Plasma TV, LCD TV and LED TV?

Over the past decade home entertainment technology has really taken some huge leaps forward. Today, the task of buying a new TV is not just a matter of picking your favourite brand or buying the largest size you can afford. There seem to be more options than ever, and this has certainly led to a lot of confusion among consumers. With that in mind, what exactly are the main differences between the different types of TV, and which is the best?

Plasma TVs are one of the older types of flat screen. They are relatively cheap to produce meaning that prices are generally low for the screen size, which led to plasma becoming a popular choice with consumers who wanted to get the largest screen for their money. These TVs use a gas, which then turns into plasma when an electronic current is passed through it; the plasma then emits the light to create the pictures. This results in a high quality, realistic picture that doesn't suffer from motion blur. It also offers a particularly wide viewing angle.

However, plasma screens do tend to only have a lifespan of about 10-15 years and do use a relatively high amount of energy, which is now frowned upon as many consumers are trying to become more environmentally friendly. Plasma screens are also quite thick, and are very heavy for their size, so they can be awkward to move. The screen is also fairly susceptible to glare, especially in bright rooms.

LCD TVs can trace their roots back to computer monitors and were first introduced at around the same time as plasma TVs. These TVs use the same basic technology as your pocket calculator screen and are backlit with florescent light. They have a much longer lifespan than plasma screens, something in the region of 30+ years, and also use much less power. Traditionally LCD prices were higher than plasma, but as new manufacturing techniques have evolved the prices are now rapidly falling.

While LCD TVs are available in a wide range of sizes, they do offer the worst performance of all the flat screens though, not only do they have the lowest contrast level but they also have a slow refresh rate meaning that motion blur often occurs. The viewing angle is also much narrower than that of plasma TVs, which means that it can be difficult to find a location that offers a good view for everyone, especially in smaller rooms.

LED TVs are actually the next generation of LCD screens, as they are based on a similar technology but use LED backlighting instead of the florescent backlighting found in traditional LCD screens. The new backlighting technology means that they are able to deliver a much more dynamic picture quality, they also use significantly less power than even the most efficient LCD TVs. LED screens can be made to be extremely thin, so they offer consumers the ability to place the TV practically anywhere - indeed it is now commonplace to see TVs fastened to the wall in order to save floor space.

As this is still a relatively new development, LED screens do tend to be more expensive than their LCD counterparts. However as LED TVs become more widespread the cost of production is expected to drop significantly, which will be reflected through dramatically lower prices in-store. Having said that, LED technology is considered to be the most reliable of all the flat screen formats so many people don't mind paying a little bit more.

The world of home entertainment can certainly be a confusing place, especially as new advances in technology seem to come along on an almost monthly basis. Hopefully this article has shed some light on the current generation of flat screen TVs, so at least you can stand a fighting chance the next time you venture into the home entertainment section of the electronics store.

Bob recommends setting up your TV using Chrome Audio's range of tv mounting brackets and quality HDMI Cables.

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What is the Difference Between a Traditional LCD TV and a LED-backlit TV?

There are so many electronic products on the market today that it is very difficult to try and understand what is going on in terms of the names and the technology behind them. An example of this is the LED TV or LED-backlit LCD TV, which is becoming an increasingly popular choice in terms of the TV technology market. It has become the new prized entertainment item for some households.

Most conventional LCD TVs use cold cathode fluorescent lamps or CCFLs for the backlighting. However, the LED TVs use light emitting diodes or LED as a backlight. One of the main challenges with the light emitting diode is the fact that it is too big for pixels on a television screen. So if someone tells you that the equipment is an LED TV, it is never going to be a true one and is likely to have a combination of other technology as well. The current main use of a true LED technology is for massive screens such as those that are used at sports stadiums.

Given that there is no such thing as true LED TV many manufacturers were concerned when Samsung announced the launch of its new television range. The new range is defined as LED and according to the company because there is a higher percentage of LED in the TV than in any other product on the market (the average is 40%) so they feel that it is fine to call the range LED.

The main difference that exists between the two TVs is the fact that there is a greater degree of contrast with the LED LCD TV. This is because the more extensive use of the backlighting LED means that the shadows of various images are more pronounced. This means that overall there is a much sharper resolution for the viewer.

Viewers are attracted to the LED TV because of the fact that it has a whole lot better quality for their viewing experience. But this is not the only reason. Those that are more conscious of the environment are very pleased to hear that there is a forty per cent reduction in the amount of energy that is used by these new TVs. That means that they can have a clear conscience and it is definitely a great selling point for the unit.

There are various other advantages of an LED-backlit LCD TV to compared to a traditional LCD TV, including a wider range of colors, higher refresh frequency, and an even slimmer and lighter TV.

The television has come along way and the LED TV is just the latest wave in the process. Sony started the revolution when it introduced the first LED TV and since then the technology has progressed in leaps and bounds. It is clear that we are going to see continuous advancements in this product line and there are exciting times ahead where our TVs are likely to become sharper and thinner.

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