| st how does a plasma TV work? It's an interesting | | | | current to flow through the pixel cell - and therefore |
| question, because it is due to the way this type of | | | | through the gas. This current stimulates the gas atoms |
| television works that we can understand why the | | | | and causes them to release ultraviolet photons. |
| plasma TV has been so successful. | | | | The photons that are created then interact with the |
| For years the plasma TV has had a firm foothold in | | | | phosphor coating on the walls of the cell to create light |
| the HDTV market, and it's success doesn't seem to | | | | which can be seen by the human eye, and it is this |
| be about to stop any time soon. Even though there | | | | colour which makes the image we see on our screen. |
| has been stiff competition from other flat screen | | | | In actual fact, each individual pixel in a plasma screen is |
| technologies such as LED and LCD TVs, the plasma | | | | divided into three smaller pixels, each with a phosphor |
| TV has maintained a strong market position. | | | | that creates red, green or blue light. As you are |
| So why has the plasma TV been so successful | | | | probably aware, by mixing red, green and blue in |
| against its competitors? It's because the picture quality | | | | different amounts we can create all the colours in the |
| of a plasma TV is still leading the way after all these | | | | spectrum. Therefore, each pixel can be accurately set |
| years - and the other types of television are still trying | | | | to the exact colour required for the picture as a whole |
| to catch up. | | | | by varying the level of electrical charge in each pixel. |
| The excellent picture has always been the strength of | | | | By doing this across all the pixel cells in the plasma |
| plasma TV technology and it is for this reason that it | | | | screen, it is possible to create an image with an |
| can hold of the challenge of its cheaper rivals. | | | | excellent picture quality and colour accuracy. |
| To understand how it produces such a good picture, | | | | It is the fact that each pixel is individually lit throughout |
| let us look at the way a plasma TV works. | | | | the plasma screen which makes a plasma TV picture |
| A plasma screen TV is similar to an LCD TV in that it | | | | stand out from the other technologies such as LED |
| is a type of flat screen TV, and the screen is made | | | | and LCD TVs. |
| from a large grid of small pixels - but that is where the | | | | So there we are, now we understand how a great |
| similarity ends. | | | | picture is created by the way a plasma TV works. |
| The pixels in a plasma TV are filled with a gas, and | | | | There are limitations with LCD and LED technology |
| these pixels are positioned between two electrodes. | | | | which mean that they are still trying to measure up to |
| Keeping all this together are two glass plates at either | | | | the picture quality of a plasma television. |
| side. Each pixel is also coated with a phosphor material | | | | However, just before you dash out and buy a plasma |
| and it is this phosphor that interacts with the gas | | | | TV, you need to understand the full picture as there |
| particles to create colour. | | | | are many other things to consider before you will |
| The two electrodes at either side of the pixel are | | | | know which TV is the best for you to buy. Follow the |
| charged with a voltage and this causes an electric | | | | links below to get the full story on the plasma TV. |