3D TV is the latest rage, there are a couple of 3D technologies out there, here are the basics:
Passive red-cyan glasses - each lens is chromatically opposite colours and TV images are made up of two colour layers.
Passive Polarized glasses - this uses light polarization in each lens to create a 3D image.
Active Shutter glasses - the TV tells the glasses which eye should see the image exhibited causing a 3D effect.
No glasses - I've seen this at infocomm, it is pretty amazing, not perfected yet, you stand at a certain distance and keep still, the image then looks like 3D with no glasses. The TV's are lenticular lenses giving you a perception of depth.
120Hz is the refresh rate of a TV, most were 60Hz. 120Hz will give you less motion blur with moving objects on a TV.
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