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Find the best 3D TV Glasses for your home set up
Depending on your budget, brands and home theatre systems we will show you what will work best.

How do 3D TV Glasses Work?

The 3D visual experience has come a long way in the past few years. From the original two-color glasses used to simulate a 3D visual field, the technology evolved into linearly polarized lenses and then to circularly polarized lenses. Avatar viewers used the latter to experience 3D within a fantastical world. As impressive as this experience was, the future of 3D is at our doorstep with the development of active shutter glasses, also known as liquid crystal shutter glasses.

Active shutter glasses are not the throwaway 3D glasses of the past. Indeed, one day we may all own personalized active shutter glasses that will work not only at the movies but also with our computers, televisions, smartphone screens, and tablets. For now these glasses have recently started to come of age.

Currently, active shutter glasses are technology dependent. The glasses themselves use the behavior of liquid crystals to become opaque when an electric charge is applied. With a coordinated electrical current, the lenses alternate between dark and light so that only one eye is seeing an image at a time. The projection system then sends to the screen only the image of the clear lens. The images then alternate between a right-eye and a left-eye perspective. Unlike previous glasses, active shutter glasses must be interactive with the projection system. The projector communicates to the glasses which image is being projected so the respective eye has visibility. Early versions used wires, but radio signals are the norm now, allowing the viewer freedom to move around.

The primary advantage to this system is the complete removal of ghosting which is caused by image leaking. Flickering can be a problem if the screen refresh rates are not fast enough. Increased refresh rates solve this problem. Disadvantages include the current cost and the lack of a single standard by which a universal pair of glasses can interface with any 3D technology providers. Current manufacturers such as Sony, Nvidia, and, the most promising, XpanD are vying for advantage.

As with most innovative technologies, these glasses are likely to increase in quality and shrink in price.



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3D TV Glasses

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