HDTV is a new buzzword. The market is flooded with televisions offering a range of features, new technology, brands, prices, etc. It is very important to have knowledge of the technologies and features, along with their advantages and disadvantages, before buying one.
The plasma TV display is flat and consists of cells. Each cell consists of two glass panels separated by a thin gap that contains inert gas. The concept used in creating the image is that of production of light by gaseous discharge — the mechanism that produces light in fluorescent tubes. When the TV is in use, the charged gas particles produce red, green, and blue light in appropriate proportions.
As with other forms of technology, plasma televisions have a few problems associated with them. At times, certain problems do crop up, and it is better to be aware of them, than to face the problems after buying a plasma TV. Some of these problems include:
· Pixilation is a common problem faced by owners of plasma TVs. The numerous tiny pixels of the TV become visible to the eye and result in the blurring of images.
· Plasma TVs can get burn-in images if the same picture is displayed on the screen for a long time, or if video games are played on them.
· Plasma TVs get hotter than other TVs like LCD TVs. Many manufacturers have installed fans in the plasma TVs to overcome the problem of heat dissipation, but these fans make them noisy over a period of time.
· Plasma TVs pose problems at higher altitudes. They have a ringing noise at altitudes higher than 8,000 feet.
· A major drawback of plasma television technology is its power consumption.
· Plasma televisions are much less durable than ordinary television sets.
Problems like phantom shadows and flickering can also interfere with the picture on plasma screens.
It can be quite a confusing task deciding on which plasma TV to buy. There are number of brands, and each one has various models with a range of features, prices, and quality.
If you purchase brands such as Panasonic or Pioneer, product reliability and warranty are assured. Panasonic plasma televisions generally have good reviews and have consistently received good user ratings.
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