Toshiba showcases glasses-free 3-D TV

Toshiba, the Tokyo-based company, believes that it has a solution for television viewers who like 3-D but hate the glasses. Notably, glasses are one of the biggest consumer complaints about 3D technology.

The company on Monday unveiled the world's first high definition liquid crystal display 3-D television that does not require special glasses.

Toshiba describes the TVs as being for "personal use" (As the TV requires a viewer site close to the screen for the 3-D effect to really work, that may be the reason for such a description).

In its new TVs, Toshiba uses a "perpendicular lenticular sheet," which consists of an array of small lenses that directs light from the display to nine points in front of the TV. If a viewer is sitting within the optimal viewing zone, the brain integrates these points into a single 3-D image; resulting in a precise rendering of high quality 3-D images whatever the viewing angle within the viewing zone, says Toshiba . This is similar to what's used in Nintendo's 3DS, the company's highly anticipated handheld device that features glasses-free 3-D gaming.

Toshiba’s new 3D TV will have two sizes — 12 inches and 20 inches. Suggested viewing distance for the 20-inch model is 90 centimeters or 3 feet (35.4 inches) and 65 centimeters or around 2 feet (25.6 inches) for the 12-inch size.

The TVs will go on sale in Japan in late December, Toshiba said.

Price: The 12 inch model will cost about 120,000 yen ($1,400), and the 20 inch one will cost $2800.

Glasses free 3D TVs can make the future course smooth for 3D technology; but can 3D televisions without glasses be able to make a TV viewer watch TV for long hours; as it’s the brain which is doing the compilation work to have the 3D experience ? --------

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