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The world of television has undergone drastic modifications ever since the day J L Baird invented it. From black and white television to the colour set, and now right this moment the most recent flat display screen know-how, the mini screen has changed many faces. The newest technological advancement that is about to catch up is the 3D TV. 3D TV or the three dimensional tv is nothing but the set which is able to letting out three dimensional images. 3D TVs are primarily of two types. One is the stereoscopic type which requires special goggles for viewing the 3D images and the opposite one is the autostereoscopic TV which don’t require the assistance of any goggles to view the images. Let us dwell more into the functioning of the special glasses. These special glasses shut off the left and proper eyes while the television is emitting images for the left and right eye separately. This creates a 3 dimensional effect for the viewer. Within the 3D TV, the video signal shops one image that is meant to be seen by the left eye on the even discipline whereas the image that is to be considered by the correct eye is stored in the odd one. The tv synchronises itself with the shutter glass by way of RF technology or infra red rays. The shutter glass consists of liquid crystal and polarising filter. A slight present is utilized on the glass when a video sign reaches it and turns into darkish as if a shutter has been drawn in entrance of it. Therefore the identify shutter glass. This course of permits the viewer to see the image meant for the left and right eyes from different instructions and this helps to create a 3 dimensional details. The high refresh rates of the screen removes any delay in viewing the image.