2008 Panasonic Models Plasma
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 Panasonic TH-42PX25U/P 42-Inch High-Definition Plasma TV  |
 Panasonic Viera TH-50PZ800U 50-Inch 1080p Plasma HDTV |
 VideoSecu Mounts Flat Panel Screen Tilt TV Wall Mount for LCD LED Plasma TV with VESA up to 400x400 1FE |
 Panasonic TC-32LX85 32-Inch 720p LCD HDTV |
 Panasonic Viera TH-50PX80U 50-Inch 720p Plasma HDTV |
 Pioneer PDP-6020FD 60-Inch Class KURO Plasma HDTV |
 Panasonic TC-P65V10 65-Inch 1080p Plasma HDTV |
 Sony Bravia L-Series KDL-32L5000 32-Inch 720p LCD HDTV, Black |
Active Shutter Three D Technology
Active shutter 3D glasses are perhaps the most common choice with manufacturers of 3D televisions. It is the ease with which an HDTV screen can be adapted to 3D and refined with active shutter that motivates so many companies to choose it. The individual eye pieces of these glasses incorporate liquid crystals and a polarization filter so that when a voltage is applied, the glass turns dark and prevents light from transmitting through. This is how they are able to alternately "shutter" the lenses in perfect synchrony with the television set. A 3D television will show separate frames intended for the left and right eyes separately, and synchronizing the glasses means that only the image intended for a particular eye will be seen by it. You may already realize that how this type of technology works effectively divides the television's refresh rate in two. Active shutter televisions must, because of this, have a screen refresh rate of at least 120 Hz.
How then will your 3D experience be affected by all this?
Well, it is actually a very simple and elegant solution to providing stereoscopic vision using existing display technology in TVs such as the Panasonic TC-P46ST30. What are the pros and cons of the active shutter method? We go over them below and answers whatever questions you may have.
Advantages of Active Shutter Glass Technology
Lower price overall than alternatives. One reason is that existing plasma and LED display screens only need a greater refresh rate to work on 3D enabled sets. Moreover, a unit to sync the active shutter viewers with the televisio will be required.
The quality of the 3D image will not be compromised by a lower price.
Earlier models of 3D-ready televisions from'08 and '09 are likely compatible.
Due to the maturity of the display technology that works with active shutter, the kinks have all already been smoothed out.
Some drawbacks of Active Shutter glasses
The constant shuttering might bother some who are very sensitive to low refresh rates and cause flickering. Most affected will be the 120HZ units that have an effective 60Hz refresh rate. Fortunately, 240HZ and 480Hz refresh rates are becoming more common. The constant shuttering does not present a problem with refresh rates this high.
Batteries are required for active shutter glasses. Sadly, this one we're probably stuck with. An applied voltage is required due to the nature of this technology. It will need still more power in order to synchronize with the television. You will be annoyed if you end up running out of battery juice in the middle of a movie. So if you are planning to buy one, be prepared for this. It's a relatively simple problem to solve. It's not unlike similar planning for your game controllers. Plan to keep your active shutter glasses on the charger whenever you aren't using them to assure a full charge when you are.
Whereas active shutter TVs are lower in price, the active shutter glasses themselves are more expensive. Because of this additional expense you will likely not keep as many paris of the glasses handy. However, it is most likely that they will be well subsidized by the display manufacturers in an effort to encourage widespread 3D TV adoption.
That pretty much sums up the active shutter technology and its pros and cons. Currently, it's the best and most mature 3D technology available for home users.
2008 Panasonic Models Plasma
