Spec And Resoluton Of Plasma Screen HdtvsPlasma Screen HDTVs Thirty five long years is indeed a long period for a technology to travel before it reached its ultimate destination- the customer. For though plasma screen display technology had been around since July 1964 its first brush with the US market was only in late 1999. Plasma Screen HDTVs are High Definition TVs with plasma screens. In this article we explore Plasma Screen HDTVs. When is the resolution of a plasma TV screen considered High Definition? If the second number of the resolution is 720 pixels or more then the plasma TV screen is considered 'High Definition'. Generally High-Definition TV is available in the following resolutions: 1024 X 768: found on 42" & 43" plasma screen 1280 X 768: found on 50", 61", & 63" plasma screen 1365 X 768: found on 50", 61", & 63" plasma screens You would have noticed advertisements claiming 'HDTV compatible' or 'HDTV ready' plasma screens. This means that those plasma screens can receive and display HDTV signals. Advantages of a Plasma Screen HDTV A Plasma Screen HDTV has a picture life of 70,000 hours. A plasma screen HDTV has a field of vision of 180 degrees and picture quality not suffering in any manner. This means that the picture on the screen will be visible form almost any angle. The brightness of a Plasma Screen HDTV is more than 4 to 5 times than that of the standard TV. A plasma screen HDTV has a contrast ratio as high as 1000 to 1. The operating cost of a plasma screen HDTV is comparatively low. A plasma screen HDTV is a very good option is there is shortage of available space since it can be hung on a wall. Almost all plasma screen HDTV have 16:9 wide screen format. The scan lines which are visible on a standard are caused due to an electron beam which scans the picture tube from top to bottom to light the phosphors to create the image. Plasma screens have no scan lines due to the fact that each and every pixel cell has its own transistor electrode. In a plasma screen HDTV you do not observe any such lines because each and every pixel cell has its own transistor electrode. Consequently a smooth image is produced and displayed. Plasma televisions have a widescreen 16:9 aspect ratio which is incidentally the chosen format for HDTV content too. Plasma screen HDTV has screens that are perfectly flat, with no curved surface whatsoever. This helps to eliminate edge distortion that is usually found in CRT displays. Standard TVs are prone to disturbance from magnetic fields which tend to distort the image displayed. Plasma screen HDTVs however is not affected by magnetic fields since they do not use electron beams. The following are the ideal viewing distances for plasma screen HDTVs Plasma screen size Distance range 32-37" inch 6 to 10 feet 42" inch - 10-14 feet. 50 inch 12-16 feet, 61-inch or 63-inch 15 feet |