AUO Developed 3456×3456 HDR LCD Panels For VR Headsets

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The Video Electronics Requirements Affiliation this week launched the spec for DisplayPort, the subsequent technology royalty-free video cable commonplace.

DisplayPort supplies a 3x enhance in complete bandwidth in comparison with the earlier DisplayPort 1.4a. This implies the max payload bandwidth elevated from 25.92 Gbps to 77.37 Gbps.

Diagram from VESA

Among the many potential use instances of the brand new commonplace, VESA lists:

Two 4Kx4K (4096×4096) shows (for AR/VR headsets) @120Hz and 30 bpp four:four:four HDR (with DSC)

VESA claims the primary merchandise with DisplayPort will ship by late 2020.

DisplayPort At present

In the marketplace at present, the Oculus Rift S and Valve Index use DisplayPort 1.2 to drive complete resolutions of 2560×1440 and 2800×1600 respectively. DisplayPort 1.2 was launched all the best way again in 2010, however remains to be used at present as a result of it supplies larger bandwidth than commonplace HDMI at an inexpensive value.

The HP Reverb and Acer ConceptD OJO use DisplayPort 1.three to drive their complete resolutions of 4320×4320, since 1.2 doesn’t present adequate bandwidth.

As a result of choice to make use of DisplayPort, these current headsets received’t work on laptops with solely HDMI.

Foveated Rendering?

After all, a 4K per eye headset may not require a 4K per eye show stream. As a substitute, if such a headset used foveated rendering (and it could must given the massive variety of pixels) it may ship the excessive decision foveal space individually to the low decision background. On this method, a inexpensive model of DisplayPort with a wider set up base of supporting graphics playing cards could possibly be used.

Nonetheless, at Oculus Join 5 Fb confirmed off analysis on a foveated rendering system which makes use of a deep neural community to reconstruct the pixel element. The corporate’s Michael Abrash claimed this might result in a 20x discount in rendered pixels. Nonetheless, the reconstructed pixels could have to be despatched at full decision to be able to not be noticeable.

However even when DisplayPort isn’t used for the subsequent technology of VR headsets, it might lay a basis for VR headsets additional sooner or later to drive foveal resolutions we are able to solely dream of at present.

Tagged with: 4K VR headset, DisplayPort

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