Toshiba shows off its multi-parallax 21-inch 3D HDTV that does not require headgear

By Abhinav Lal | Published on 27 Apr 2010
Toshiba shows off its multi-parallax 21-inch 3D HDTV that does not require headgear

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Autostereoscopy is all the rage nowadays, and new devices will start pouring into homes soon. Allowing users to enjoy full 3D content without special 3G glasses (active or passive), Toshiba’s latest 3D HDTV design is impressive, utilising 9 separate images to achieve its implementation of multi-parallax autostereoscopy.

Here is Toshiba explaining why its multi-parallax implantation is so cool: “To present a 3D image it requires the data to be viewed from at least two directions - one for the left eye and the other for the right eye - which is called a 2-parallax 3D display. This new product creates image data viewed from nine directions.”

Toshiba Mobile Display showcased this technology on a 21-inch screen, which uses a lens sheet to achieve greater surface luminance intensity, comparable to standard 2D displays. The integral imaging system (light field display) of the screen will apparently offer a “significant reduction in eye fatigue” compared to other 3D screens, and will have a 30 degree horizontal viewing angle, apart from a 1280 x 800 effective resolution.

Toshiba says the earlier problem with integral imaging implementations of multi-parallax technology resulted in the loss of effective image resolution in inverse proportion to the number of parallax positions. They fixed the issue by “applying LTPS (low-temperature poly-silicon) technology to develop an ultra-high-definition LCD module”.


Abhinav Lal

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