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November 29, 2014 
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NVIDIA develops cascaded display technology for VR headsets

Posted on Tuesday, July 29 2014 @ 16:07:28 CEST by


ExtremeTech writes NVIDIA is working on a technology that promises to quadruple the effective resolution and double the refresh rate of cheap, off-the-shelf LCD panels by stacking them on top of each other. The cascaded display technology could be the key towards the creation of cheap, ultra-high-resolution screens for consumer VR headsets.
The primary application that Nvidia appears to be targeting with this new approach is head-mounted displays (HMD), such as the Oculus Rift. The Rift, by virtue of it being a cheap device, uses a fairly low-resolution screen — and when the pixels are that close to your eyes, low resolution can be really unpleasant (it’s a lot like the low-resolution arcade machines, if you remember those). Rather than quadrupling the spatial resolution by putting an ultra-expensive 3840×2160 (4K) display in there, why not just stack a couple of cheap LCDs? By cramming more effective resolution into a HMD, you also have the opportunity to spread the pixels out a bit, to provide a wider field of view (human vision is closer to 180 degrees, rather than the 100 degrees offered by the Rift and similar HMDs).



 



 

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