Welcome to the world of DualView, a technology that has now established itself on the dashboard of high-end Jaguars, Mercedes’, and Range Rovers. DualView uses 3D tech to display two 2D images simultaneously, in this case, allowing the passenger to watch TV, while the driver can continue plotting his route through the satellite navigation system.
The technology’s origins lay in 3D – specifically glasses-free 3D, most recently seen in Nintendo’s 3DS and 3DS XL handheld games console. Much like the 3DS, DualView combines a normal LCD with parallax barrier technology, displaying two pictures simultaneously by separating the direction of light from each pixel into two directions.
Engineering a hidden screen
Interestingly, Sharp Laboratories of Europe has become specialists in creating displays that change their appearance when viewed from different angles. At the same time that DualView displays were unveiled, Sharp also announced an interesting new type of display for smartphones and tablet screens. The idea behind it was to enable a privacy function for confidential or sensitive subject matter. Using it on public transport, since you can only see what is on the screen looking straight on, any fellow commuters on your left or right aren’t able to sneak a peak at what you’re reading.
“Sharp’s DualView displays use parallax barrier technology which is very similar to that used in Sharp’s 3D displays, however, instead of creating a left eye and right eye view, the parallax barrier is much closer to the display so that it creates a left person and right person view”.
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