| There is no doubt that you have probably become | | | | multiple viewers sitting in different spots to be able to |
| aware of the latest craze in modern electronics: 3D | | | | see the movie in 3D. |
| television. From the moment the public encountered 3D | | | | Passive glass systems. Hyundai is currently devising a |
| movies in the theaters, people have become | | | | flat screen television that viewers can watch either 2D |
| interested in watching 3D movies in the comfort of | | | | or 3D movies on. In order to watch the 3D images, it is |
| their own homes. 3D technology is growing at a rapid | | | | necessary to wear the 3D glasses for this form of |
| pace. There are a variety of technologies used to | | | | technology. In passive glass systems, the television |
| enhance television and allow the viewed to watch in | | | | screen displays two images which overlap. Due to the |
| 3D. Some of these technologies are more costly than | | | | 3D glasses, each eye only views one image. The 3D |
| others, while others are easier to build. Before a | | | | effect developed using this method is great quality. |
| manufacturer presents 3D television to the public, the | | | | These types of televisions are readily available for |
| company will have to consider these the pros and | | | | sale, even up to 40 inches. |
| cons of each particular technology. | | | | Active glass systems. This form of technology works |
| There are three primary ways of creating 3D | | | | similarly to the way passive glass systems function. |
| televisions: | | | | Rather than the 3D effect coming from the television, |
| Lenticular viewing: This technology has been created | | | | the effect mostly comes from the glasses. It's |
| by the well known company Philips. This form of | | | | necessary for the 3D glasses to be synchronized with |
| technology gives people the opportunity to watch 3D | | | | the proper refresh rate on the television. Following this, |
| without needing to wear 3D glasses. This may appeal | | | | the television alternates displays for the right and left |
| to viewers who may not like the glasses and think | | | | eye. A specially devised shutter system in these |
| they look silly. The lens in televisions that use lenticular | | | | glasses will ensure that only the right eye can see the |
| viewing send a different image to each eye. The left | | | | images displayed for the right eye. Likewise, the same |
| eye will get an image that is different that the image | | | | holds true for the left eye. As such, the refresh rate of |
| that goes to the viewer's right eye. A disadvantage to | | | | the television is cut in half. Therefore, a minimum of |
| this form of 3D imaging is that these television sets | | | | 120Hz refresh rate is recommended in conjunction with |
| have a limited viewing angle. Therefore, it is difficult for | | | | active shutter glasses. |