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With the recent surge in 3D TV interest it is no surprise that numerous questions about 3D TV glasses are surfacing. Which type is best for your TV, what are the differences between glasses, what do they cost and of course, do I really need to wear these odd looking glasses to watch 3D TV? We answer all the 3D TV glasses questions in the articles below.
NOTE: If you are interested in purchasing 3D TV glasses, you can view our 3D glasses section for a wide variety of glasses for your brand of TV.
How The 3D TV Works
In short there are three different 3D technologies currently being used and a fourth that is on the way. If you are interested in learning more about these technologies, and how they work, see how the 3D TV works. However the technologies that are most relevant for home theater use are covered in the next two sections, active shutter glasses and watching 3D TV without glasses.
3D TV Active Shutter Glasses
Active technology is the one being used in today's home theater by the major electronics makers. The approach is fairly simple to explain. Your TV rapidely displays two images, one for your right eye and one for your left. You wear glasses that are synchronized with the TV. The glasses contain liquid crystals that block the light in one lens at a time. When the TV is showing the image for the right eye the right lens allows light through and the left blocks light. When the TV is showing the image for the left eye the left lens allows light through and the right blocks light. This all happens extremely quickly and tricks your brain into thinking that the image is actually a 3D object. And yes, the glasses do require batteries that need to be replaced after about 70-90 hours of use. For a complete selection of 3D active shutter glasses and additional details on how this technology works, see 3D TV active shutter glasses.
3D TV Without Glasses
How do I watch 3D TV without glasses? This is a very popular question right now as many people are interested in the 3D TV experience but not excited about the idea of having to wear glasses to do it. The answer is that right now you will need to wear glasses, however there are some technologies on the way that will allow you to watch 3D TV without glasses.
3D TV Viewers
In the early days of 3D movies, people referred to 3D glasses as 3D viewers. Therefore you will occasionally hear people referring to 3D TV viewers when discussing glasses. Not to disappoint, we have an article on 3D TV viewers, however it does not cover anything that has not already been shared in the 3D TV glasses articles above.
NOTE: If you are interested in purchasing 3D TV glasses, you can view our 3D glasses section for a wide variety of glasses for your brand of TV.
How The 3D TV Works
In short there are three different 3D technologies currently being used and a fourth that is on the way. If you are interested in learning more about these technologies, and how they work, see how the 3D TV works. However the technologies that are most relevant for home theater use are covered in the next two sections, active shutter glasses and watching 3D TV without glasses.
3D TV Active Shutter Glasses
Active technology is the one being used in today's home theater by the major electronics makers. The approach is fairly simple to explain. Your TV rapidely displays two images, one for your right eye and one for your left. You wear glasses that are synchronized with the TV. The glasses contain liquid crystals that block the light in one lens at a time. When the TV is showing the image for the right eye the right lens allows light through and the left blocks light. When the TV is showing the image for the left eye the left lens allows light through and the right blocks light. This all happens extremely quickly and tricks your brain into thinking that the image is actually a 3D object. And yes, the glasses do require batteries that need to be replaced after about 70-90 hours of use. For a complete selection of 3D active shutter glasses and additional details on how this technology works, see 3D TV active shutter glasses.
3D TV Without Glasses
How do I watch 3D TV without glasses? This is a very popular question right now as many people are interested in the 3D TV experience but not excited about the idea of having to wear glasses to do it. The answer is that right now you will need to wear glasses, however there are some technologies on the way that will allow you to watch 3D TV without glasses.
3D TV Viewers
In the early days of 3D movies, people referred to 3D glasses as 3D viewers. Therefore you will occasionally hear people referring to 3D TV viewers when discussing glasses. Not to disappoint, we have an article on 3D TV viewers, however it does not cover anything that has not already been shared in the 3D TV glasses articles above.
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