Technology used in a LCD (Liquid Crystal Display) In an LCD TV, Two layers Polarized Glass

Technology used in a LCD (Liquid Crystal Display).

In an LCD TV, Two layers Polarized Glass encase a layer of liquid crystal.
The liquid crystal layer is stimulated by an electrical current causing individual pixel to either shut out light, or let it pass through.
In this way each pixel can be either light or dark. The use of colour filters gives the necessary Red, Green and Blue light in order to create a colourful image.

Technology used in a LED (Light Emitting Diodes)

The technology used in LED Display is same as that of LCD Displays. The only difference is of the back light used. Back light used in LCD Displays is CCFL Lamps. Back light used in LCD Displays is LED Laps.

Technology used in Plasma TVs.

The Basis of a Plasma Display is to illuminate tiny colored fluorescent light to form an image. Each pixel is made up of three fluorescent light a LED light, a green light and a Blue light. Just like a CRT TVs, the plasma display varies the intensities of the different light to produce a full range of colours.
Technology used in 3D TVs.
We can not see the three dimensionally with just one eye. Our brain has to put the two images together before we can see one three dimensional image. 3D TVs alternate rapidly between images shot from two different perspectives. The image are shown fast enough that one perceives it as a single 3D image.

Types of 3D

1} Anaglyphic 3D (With passive red cyan lenses) 2} Polarization 3D (With passive polarized lenses) 3} Alternate frame sequencing (With active shutter lenses) 4} Auto stereoscopic display {Without lenses}