tv_screens

tv_screens - TV Screens Types of TV Screens CRT Cathode Ray...

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TV Screens
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Types of TV Screens CRT “Cathode Ray Tube” LCD “Liquid Crystal Display” Plasma DLP “Digital Light Processing”
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Cathode Ray Tube Industry standard for almost a century Use electric fields to generate a beam of electrons Use magnets to move electron beam around Have a surface that glows when hit by electrons QuickTimeª and a decompressor are needed to see this picture.
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Cathode Ray Tube Magnets move electron beam back and forth across screen One beam for each colour Each colour has a special coating to glow in that colour Typically scan the screen ~50 times per second QuickTimeª and a decompressor are needed to see this picture.
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LCD screens Liquid crystal display Long history Cheap electronics have used them for many years QuickTimeª and a decompressor are needed to see this picture. QuickTimeª and a decompressor are needed to see this pic QuickTimeª and a decompressor are needed to see this pic
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tv_screens - TV Screens Types of TV Screens CRT Cathode Ray...

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