| Flat Screen TV's are a big industry. Some statistics put | | | | develop dead pixels. Dead pixels usually appear as a |
| it at about a billion dollars each year. There are three | | | | black or blue speck in the screen. An LCD TV's |
| major types available. The Liquid Crystal Display (LCD) | | | | lifespan is about 30 to 70 thousand hours. |
| TV, the Plasma TV, and the Light Emitting Diode (LED) | | | | Plasma TVs depict low light or shadow areas the |
| type TV. LCD TV's are made from layers of plastic or | | | | best. Skin tones are more natural and colors are |
| glass. The LCD TV is light weight, uses less energy | | | | saturated and not so glaring as on an LCD. Plasma |
| compared to other types, and is quite thin. This allows | | | | screens use 3 layers to contain a mix of noble gasses: |
| the TV to be hung on a wall without being an | | | | xenon, neon, and helium. Plasma TV's lifespan is about |
| obstruction. | | | | 50 to 90 thousand hours. Plasma TV's are heavy. |
| Some critics say that the LCD TV reproduces colors | | | | Although plasmas are getting more efficient, they still |
| unnaturally. This is a matter of taste, though the colors | | | | use more energy than other options. There is also the |
| can be quite bright, and skin tones tend to be flat. Fast | | | | potential for burn-in. An LED TV is a good |
| motion action scenes, such as a ball game or a car | | | | compromise. There is RGB Dynamic LED's and |
| race, can get blurred or blocky. This is called by some | | | | Edge-LED's. This type of TV offers a good balance |
| the screen door effect or pixilation. LCD TV's are | | | | between the LCD and plasma TV's. Though the LED |
| getting better with the higher refresh rates that are | | | | TV uses an LCD screen, the back light makes all the |
| now on the market. LCD TV's are fragile and can | | | | difference. |