Large Screen TVs
Posted by admin | Posted in LCD Television | Posted on 19-10-2011
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TVs are getting wider, slimmer and better by the day as they help bring entertainment and information in your home. Thin technologies like Liquid Crystal Display (LCD), Light Emitting Diode (LED) and Plasma Display (PDP) have eliminated the ancient bulky cathode ray tube technology. Earlier, the cathode ray tube powered TV could not exceed 40″ in width due to uneconomical size considerations. Now, things have changed with the new thin technologies and it is possible to bring in wide screen entertainment at home.
More technologies are being researched and it seems like TVs will witness a period of rapid technological obsolescence. For example, people already prefer LEDs and Plasmas over the LCDs. A couple of technologies that are being developed and need mention are the surface-conduction electron-emitter display (SED) and the field emission display (FED).
Buying a large screen TV is easy, but you must not rush to buy one without figuring out the distance it will be viewed from. An increase in the display size also increases the distance from which it should be viewed. As a general rule, the distance from which a large screen TV should be viewed is 2-3 times the size of its screen video wall controller.
For example, a 26″ TV can be comfortably viewed from a distance of 78″ (7.5 feet). Likewise, a 42″ inch screen should be viewed from a distance of 10 feet and a 55″ TV should be viewed from a distance of 14 feet, and so on. It is important to follow the distance rule and not buy a very large screen TV for small bedrooms because it can end up straining the eyes.
Large screen TVs will soon be found in all homes as their technology gets better and their cost reduces. Before signing off, here’s a neat tip: The CAO (Canadian Association of Optometrists) recommends watching TV with some lighting on, and not when the room is completely dark.


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