| There are two main types of televisions in the | | | | harmful radiations. Before coming into market, |
| market and people have to do a lot of research | | | | electronic products have to pass a quality insurance |
| before buying either of them. First type is known as | | | | test in which emission of radiations is also checked. |
| plasma television which produces picture with the help | | | | Even if some ultraviolent radiations are emitted, they |
| of gas enclosed in cells coated with specialized | | | | are very less in amount and are not harmful to the |
| material. When electricity passes through it, the | | | | humans. |
| picture is produced. There is no need to recharge the | | | | Burn-in is basically a problem in which an image |
| gas as a layman thinks because of the word plasma. | | | | remains on the screen for some time. This problem is |
| Electricity is responsible for its charging and | | | | present in plasma type of televisions but not in LCD |
| discharging. In case of an LCD television, specialized | | | | type because in it phosphorous derived chemicals are |
| cells are made of crystals that glow when light falls | | | | not used instead, liquid crystals are used which are |
| 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 | | | | LCD has a quality of changing the image on the |
| second type because the gas used in it has to be | | | | screen rapidly. This quality makes it perfect for |
| charged and discharged top produce different images. | | | | attachment of play station to play games. It is also a |
| This 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 |
| between the two types. In an LCD TV, image is | | | | of passage of electricity through the gas to produce |
| best seen from the front while in case of the other | | | | image. This feature makes it durable and long lasting |
| type of television; image can be viewed clearly from | | | | as compared to plasma televisions which loose their |
| even an angle of 175 degrees in some models. This | | | | picture quality with time and soon problem of burn-in |
| makes it suitable for usage in cinemas and business | | | | appears on their screens. Use of fluorescent light in |
| centers. | | | | LCD eliminates this problem. |
| Neither of the both types of televisions emits | | | | |