| There are two main types of televisions in the market | | | | radiations. Before coming into market, electronic |
| and people have to do a lot of research before buying | | | | products have to pass a quality insurance test in which |
| either of them. First type is known as plasma television | | | | emission of radiations is also checked. Even if some |
| which produces picture with the help of gas enclosed | | | | ultraviolent radiations are emitted, they are very less in |
| in cells coated with specialized material. When | | | | amount and are not harmful to the humans. |
| electricity passes through it, the picture is produced. | | | | Burn-in is basically a problem in which an image |
| There is no need to recharge the gas as a layman | | | | remains on the screen for some time. This problem is |
| thinks because of the word plasma. Electricity is | | | | present in plasma type of televisions but not in LCD |
| responsible for its charging and discharging. In case of | | | | type because in it phosphorous derived chemicals are |
| an LCD television, specialized cells are made of | | | | not used instead, liquid crystals are used which are |
| crystals that glow when light falls on them. | | | | illuminated with fluorescent light. So, burn-in can never |
| Talking about consumption of electricity, plasma type | | | | be produced in this type of televisions. |
| consumes more electricity as compared to the second | | | | LCD has a quality of changing the image on the |
| type because the gas used in it has to be charged | | | | screen rapidly. This quality makes it perfect for |
| and discharged top produce different images. This | | | | attachment of play station to play games. It is also a |
| makes LCD an economical device. | | | | good choice to watch television broadcasts. This is |
| Viewing angle is also a main differentiating factor | | | | due to the presence of fluorescent backlight instead of |
| between the two types. In an LCD TV, image is best | | | | passage of electricity through the gas to produce |
| seen from the front while in case of the other type of | | | | image. This feature makes it durable and long lasting |
| television; image can be viewed clearly from even an | | | | as compared to plasma televisions which loose their |
| angle of 175 degrees in some models. This makes it | | | | picture quality with time and soon problem of burn-in |
| suitable for usage in cinemas and business centers. | | | | appears on their screens. Use of fluorescent light in |
| Neither of the both types of televisions emits harmful | | | | LCD eliminates this problem. |