Display Technology
Written by SearchMedia
Display technology
Due to the advances in display technology there exist several kinds of video displays today that are used in modern TV sets. One of these kinds is the cathode-ray tube (short CRT). Direct-view CRTs are the most common screens today. Furthermore cathode-ray tubes are the least expensive and they are a refined technology that can still provide the best overall picture quality value. CRTs do not have a fixed native resolution and due to that fact they are capable of displaying sources with different resolutions at the best possible image quality.
Another kind of a video display is the rear projection. Usually it is only very large scree
TVs that use projection technology. There exist three types of projection systems that are used in projectio
TVs. These types are the CRT-based, the LCD-based and the DLP-based projection system. DLP means reflective micromirror chip. Since the 1970s the projection television is commercially available. At that time this technology could not match the image sharpness of the CRT, but current models have improved a lot and therefore they offer a cost-effective large-screen display. One new form of the projection technology is the video projector that uses a similar technology.
A further kind of video display is the flat panel. It is also called LCD or plasma. Flat panels use active matrix LCD or plasma display technology. The advantage of flat panel LCDs and plasma displays is that they are comparatively little and that they can be hung on a wall like a picture or they can be put over a pedestal. Another advantage of flat panels is that some models can also be used as computer monitors.
Yet another kind of video display is the LED. This technology has become one of the choices for outdoor video and stadium uses. The LED technology enables scalable ultra-large flat panel video displays that other technologies may never be able to match in performance.
As every other technology the display technology has also its advantages and disadvantages. For example flat panel LCD displays can have narrow viewing angles and therefore they may not suit a home environment. The rear projection screens also have disadvantages because they do not perform well in daylight or well-lit rooms and therefore they are only suited to darker viewing areas.
Further information: http://www.aria.co.uk/Products/Displays/
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About the Author
SearchMedia is a small company situated in Germany and its main purpose is online marketing.
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