3d tv - compared to lCD and lED...?

what is a 3D tv..and how is this different from LCD and LED tvs with respect to cost and use.
is 3D tv good for home use or only for bill hall theatrical effects.

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Answer
LED, LCD, and Plasma are technologies to display the picture.
3D is can use LED and Plasma. Never heard of one that uses LCD but that is theoretically possible.

3D displays two pictures, one for your left eye, and a slightly different one for your right eye. You wear glasses that filter the images giving you the illusion of three dimensions. The reason for buying 3D today is because they result in the best 2D TV's available.

LCD and LED block various amounts of light using LCD's. The difference is backlighting where LED is superior. Plasma is kinda like having 2 million old style CRT's. This tech has nothing to do with 3D.

No clue what bill hall theatrical is. Audio?

which is better LED or LCD TV 40"?

ranaajit1

It with relation to its effect on eyes, cost, life span of TV and any other issue

Answer
1. Eyes: no difference

2. Cost: conventional LCD is much cheaper.

3. Life span: LED should require fewer repairs.

4. Other: LED uses slightly less electrical power.

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