Flat picture televisions are long no longer exorbitant in the meantime. They are to be quite already had at favourable prices. Upward naturally just as no borders are set, which concerns the prices. Since the trend goes ever to more to the secondary television, there are meanwhile quite televisions, which are suitable for the smaller premises likewise in the assortment the LCD of devices. With a modern television in the flat format, like for example one Medion LCD TV, the equipment can be fastened easily to the wall by means of appropriate mounting plate system, which is extremely space-saving. Particularly in smaller rooms that is very favourable. The LCD technology decreases/goes back to research of many years and the use of liquid crystals. Liquid crystals affect the polarization direction of the light with the help of electrical tension. Already at the beginning 20. Century researched the physicist Otto Lehmann at liquid crystals and published his realizations 1904 in its work „liquid crystals “. Further scientists, like Charles Mauguin and George William Gray researched at the same topic. These beginnings made it possible that we can use today these liquid crystals for computer screens and for some years also for LCD televisions. In contrast to a tube television the image representation is substantially clearer, the colors is clear impressing and the detail accuracy is remarkable. Vonseiten of the environmentalists were criticized the flat picture televisions at the beginning among other things because of the high energy consumption. But also within this range is the development does not stand remained. Meanwhile the current consumption of these devices sank substantially. Contrary to their predecessors, the tube models, LCD televisions can score further with their small weight and the flicker-free picture.

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