Sunday, March 13, 2011

Which 3D Technology Is Best

By Paul Barlow


As technology moves forward, nearly everything will move to a higher level. Image displays appear to make the most use of the advantages of advanced technology these days. There are various kinds of image displays that are used however active 3D and passive 3D are the most well known ones. Even though they use the same concept, active 3D and passive 3D are different in a few ways. Nevertheless they have several similar features.

Active 3D seems to move faster than passive 3D. Active 3D rotates fast between the right eye and the left eye in the same area. The movement is very fast and special glasses are needed to see the active 3D images. The special glasses are created in such a way that they can change to opaque, change to translucent and then become clear. This change back and forth is done at the same time the image transforms. This means the left image will only be shown when the left side lens is clear and the right side lens is opaque. It works the same way with the right lens.

In order to ensure that the special glasses are effective, you need to ensure that your hardware is proper so that it can be recognized by the special glasses to facilitate proper transformation of images. Using infrared emitters will ensure compatibility between your hardware and the special glasses.

However, passive 3D makes sure the picture is seen with left eye and right eye at the same time. Special glasses are worn to make sure the right eye looks at each picture. The special glasses in this situation also cut off any picture that is not meant for the other eye.

Active 3D appears to be a favorite of a lot of TV manufacturers. There are currently some plasma and LCD TVs that are 3D viewable. Active 3D is considered to be the mainstream of 3D TV according to a lot of TV manufacturers.

One of the main complaints about the shutter glasses commonly used in active 3D is the degree of comfort wearers experience. They often cause headaches after extended period of use. Although they work well with most hardware, they are more expensive than the glasses used with passive 3D technology. This can be outweighed by the potential savings of not having to buy new hardware.

Polarizing glasses are used with passive 3D technology. The disadvantage of these glasses is that they reduce the amount of light, so only half of the light that is emitted from the screen actually reaches the eye. This, in turn, dulls the image. But, there are advantages associated with these glasses. One advantage is that they are less costly when compared to glasses that are used for active 3D viewing. Wow, 3D technology is certainly taking the market by storm!




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