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All of the current 3D TV’s utilize some sort of image separation in order to project two slightly different images to each eye, thus creating the illusion of 3D. The problem is that all of these TV’s are dependent on some kind of 3D glasses to make the image separation possible. Some are based on active shutter glasses and some rely on passive, polarized ones. Glasses for viewing 3D TV’s are usually sold separately, incurring an extra cost beyond the TV itself. With this adding to the inconvenience of wearing awkward glasses while watching TV has ensure a steady rise in the demand for 3D TV’s without glasses.
Traditional passive 3D glasses create the illusion of three dimensions when viewing specially prepared images. These classic 3D glasses have one red lens and one blue or cyan lens. Modern passive 3D glasses uses polarized filters, with one lens polarized vertically and the other horizontally, with the two images required for stereo-vision polarized the same way. Polarized 3D glasses allow for color 3D, while the red-blue lenses producing a dull black-and-white picture with red and blue fringes.
With a saturation in the market for normal TV’ manufacturers are constantly pushing for 3D TV’s to increase their sales figures. Companies are competing to excel in the field of manufacturing 3D televisions. In keeping with consumer demands, multiple companies have come up with 3D solutions that do not require 3D glasses. 3D TV’s that don’t require the viewer to wear glasses are called Auto-stereoscopic televisions. However, there’s one major problem with the technology — they can only be properly viewed from one angle. In order to solve this, Toshiba Mobile Display came up with a novel idea for a self-adjusting display. By sticking a six-axis accelerometer inside this 12.1-inch slate, the device can now adjust itself as the user tilts it. This is done by using software algorithms rather than the fancy lens-and-camera assembly that Microsoft has been prototyping. Toshiba is one of the biggest TV makers who do not actually have a huge stake in stereoscopic 3D right now, the format used in the flagship sets from Samsung, Sony, Panasonic, Vizio, and others. If the company has indeed been working with the Autostereoscopic format instead, that would certainly give them an edge over the rest in the race for better 3D.
The technology works by embedding thousands of tiny mirrors into the display to make the images appear to have real depth. Toshiba said that its 3D technology, which is currently best-suited for small displays, provides “nine different perspectives of each single 2D frame.” The company added that those perspectives are then “superimposed” by the viewer’s brain “to create a three-dimensional impression of the image.” The new LCD TVs are “first step into the 3D future of the consumer’s home cinema market,” Toshiba European marketing Chief Sascha Lange said in a statement. “But it will take several more years to develop larger 3D TVs without glasses with screen sizes of 40 inches and more at a reasonable price point.” Though Toshiba is trying to excel in the ‘glasses-free’ arena, the company is already well known in its own right in the 3D TV market. It currently sells the WX800 line of 3D TVs. Both the 46- and 55-inch models of the WX800 require glasses. Toshiba’s 20GL1 and 12GL1, which can switch from 3D to 2D mode, are scheduled to be released in Japan later this year. They will retail for about $2,900 and $1,400, respectively. The company has not announced plans for availability outside of Japan.
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