The common consumer is baffled in most cases when dealing with new high-technology as he simply has no idea of these things. The case might be that you love your 46 inch LCD HDTV 720p flat screen but you cannot figure out why the 46 inch same brand 1080p LCD HDTV is $400 more than your TV. There is lot of difference in the picture quality irrespective of being the same size which might not be obvious to a common viewer at first. Here’s the necessary briefing required for you to have so that you get familiar with the key factors to consider when you go to buy the flat screen next time.

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Liquid Crystal Display, otherwise known as LCD, is a form of technology that was introduced in the 1960s. In this technology, the orientation of the rod-shaped molecules bends the light just as they do in crystal. The main idea of the LCD technology is still in use these days as LCDs are quite popular at present. LCD screen is quite common among computers nowadays. Likewise, most flat screen TVs these days come with LCDs and provide us with the clearest of picture.

In the world of TV history the highest form of digital TV you can get is the HDTV or High Definition Television. Viewing on HDTV could be like you are watching something on the theater with a 16:9 aspect ratio.

The resolutions which you can have with the HDTV are 720p, 1080i and 1080p. The term 1080p indicates nothing but number of lines present in the display. You get sharper picture with more lines. The older TV sets have 480 lines as starting reference. The resolution of the TV depends completely upon the number of lines. The ‘i’ and ‘p’ following the number of lines create the image on the TV. The ‘i’ stands for interlaced and the ‘p’ denotes progressive. The progressive scan is more sought after as it processes the image in double fast time than the interlaced scan.

For this reason the 720p costs less than the 1080p LCD HDTV. The picture quality difference is less obvious to the naked eye between these TVs so people tend to buy the 720p.

The LCD TV does not emit much heat and consumes less power too. Though the plasma TV picture is quite good in low light environment the 1080p LCD HDTV works much better in surroundings with sufficient light.