Engineers in Taiwan are working on building a 3D display that required the viewer to wear no glasses to see. The system works using a 3D prism pattern that when put side by side they send different light signals to each eye creating a left and right channel.
To function correctly users need to sit in specific positions so that the light shows correctly to each eye. Although in testing it works, the main problems are with light crossing over channels with either movement of the head or being slightly in the wrong angle. Obviously it has a while to go before it reaches main stream.
The new 3D display system also works with multiple viewers although they will need to sit in specific locations like pictured above.
The initial results of their simulations showed a large amount of crosstalk between left and right viewing zones, meaning that the right eye could see some residue of the image intended for the left eye, and vice versa. In order to minimize the crosstalk, the researchers reconfigured the prism angles to sharpen the reflected rays’ separation. In addition, they slightly increased the inter-ocular separation (the distance between a viewer’s eyes) from 65 to 70 mm, and moved the viewing location to 1.15 m, 50 mm closer to the screen. These measures reduced the amount of overlap between left and right pixels, virtually eliminating the crosstalk.
By creating highly accurate prisms and setting the amount of light that can escape just right the research team behind the prism based screen believe they can make an efficient display that’s both comfortable to use and allows you not to wear glasses.
Via: Physorg
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