| Owning a satellite system is very common nowadays | | | | the picture on the screen. This is a twisted crystalline |
| with most homeowners. When you buy a new sat | | | | structure that basically has a tendency to react to |
| system you usually buy either a Dish Network or | | | | various electric currents in very predictable ways. This |
| maybe a Direct-TV system. You take it home eagerly | | | | makes the crystal untwist to various degrees |
| to set it up and get ready to watch some quality | | | | depending on the current voltage. These crystals are |
| television, when you realize that your current one is not | | | | then stuck between the polarized glass panels and |
| compatible with the system at all. This is when you | | | | through the untwisting process the light passes through |
| know that you have to get yourself a new screen as | | | | in order to display the image on your screen. |
| well. But which one should you buy? You've heard a | | | | The workings of a plasma TV |
| lot about plasma TV, about LCD TV, about HDTV, but | | | | The plasma television creates an image by combining |
| all this sounds gibberish to you. And what if your new | | | | the 3 main colors within each available pixel. This sends |
| piece won't be compatible again, or you might realize | | | | the signal through the electrodes that are stuck |
| later on that you would have been better purchasing | | | | between two glass panels. This allows the gas to |
| the other type? | | | | change in order to push the colors to glow, which in |
| This is a very real case scenario that can happen to | | | | turn creates the light that passes through the screen. |
| anyone. In order to avoid such cases and make a | | | | Basically if you want a TV that is below 32", go for an |
| good informed decision before you buy your new | | | | LCD TV. For an above size go with the plasma. When |
| television, here are the main differences between | | | | it comes to bigger sizes, the LCD variety will push the |
| these two very popular system types. | | | | prices quite high, which makes the prior for a much |
| The workings of an LCD TV | | | | more cost effective alternative, without losing on the |
| The LCD TV uses Twisted Nematic in order to display | | | | quality of the image. |