Plasma televisions, also commonly called flat screen TVs, are really thin and sleek screen monitors, that could be easily mounted on the wall for viewing. Towards the end of 1999, plasma televisions were introduced as the latest technologies within the world of television, and offered amazing features like better picture quality, big sizes and sleek design. The display of a plasma television consists of thousands of tiny cells, which are individual glass compartments, injected with neon-xenon gas suspended in plasma. These cells function in an unified manner, when the gases in them are electrically charged, they produce the picture or images we see on the screen.
Disadvantages of Plasma Television As with all technologies, plasma tv sets have some from the following disadvantages, as compared to other television technologies.
Burn-In: Plasma television has the potential for burn-in, caused because of the use of phosphor technology in them. Traces of images could be burned into the screen if they are static, or if displayed for too long. Burn-in can occur in as little as 20 minutes of static image display. Hence, it's advisable to constantly change the image on the display, either by changing the channel, or turning the television off.
High Cost: As these sets are high quality, and employ latest technology, they come at a higher price. Presently, they are the most costly television sets within the market. Even though prices are dropping because of advances in technology and greater availability, one generally pays considerably a lot more for a plasma display as comapred to normal televisions from the same size.
Brightness: Plasma televisions have low levels of brightness. Even though technological advances have been made to correct this disadvantage, it still remains a major issue with most users. Viewed in a room with bright sunlight, plasma televisions don't bring out the contrast and sharpness associated with the great picture quality advertised. Owners of plasma TVs should avoid placing them in rooms that receive direct sunlight.
Shorter Lifespan: Plasma televisions have a much shorter life span when compared to normal television sets. Also, depending around the brand, they've a half-life of 50,000 to 60,000 hours. Half-life refers to screen burns at half from the original brightness. Besides the half-life, there are also no repair choices for fixing a burnt-out tube or backlight.
Fragility: Plasma televisions are very fragile and the units are highly susceptible to harm. They require extreme care while handling and moving. They require to become shipped by special carriers and ought to be mounted by professionals, as even laying the plasma display on it's side can cause adverse damage to it.
Altitude: Plasma televisions do not perform well at higher altitudes. They have natural gases compressed inside, that don't compress optimally when operated above 6000 feet, thus resulting in poor pixel performance. Basically, the charged gases differ in their pressures in different altitudes.
Other Disadvantages:
* Not the Lightest or Slimmest: Even though they are marketed as the lightest or slimmest displays, they're other technologies like LCD TVs that are available in the same specifications. * Screen Size: Plasma screen monitors aren't generally available in less than a 42-inch screen size, hence for anyone looking for a smaller size, the choices are limited. * Optional Tuner Feature: Most plasma screens do not have tuners in-built and have to become upgraded, if using it with satellite, digital cable or external HD boxes. These up-gradations are fairly expensive.
Despite the disadvantages associated with plasma tv sets, they're popular because of the superior picture high quality, large size, and as part of contemporary décor.
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