As reported by Dutch site LetsGoDigital (opens in new tab), Sony Interactive Entertainment has developed and patented holographic display screen technology which will allow users to view 3D video (videogames and movies) without the need for 3D glasses.
The patent was initially applied for back in 2017, but was officially published by USPTO (United States Patent and Trademark Office) on September 3, 2019.
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How will it work?
According to the patent, this technology will work by harnessing at least one display and plural pixel elements. At least one of these pixel elements will include a light emitter which will work with several movable micro mirrors to reflect light in various directions and create an image for the viewer.
To create a 3D image, eye-tracking is implemented by use of an external sensor, which sees this light modulated so that the left and right eyes each receive different images – meaning you don't need uncomfortable 3D glasses.
In addition facial recognition is discussed, which would allow the technology to decipher how many people are actually viewing the screen, along with the ability to recognise facial gestures such as blinking or head moving – adjusting the image as needed. If that's not enough, the technology should even be able to detect how far you're sitting from the screen.
In the patent Sony clarifies that the holographic screen could work with Xbox and Nintendo consoles, as well as laptops, virtual reality, augmented reality, smart TVs and even mobile devices.
The company hasn't clarified what it wants to do with this technology but it would allow users to have the option to view 3D content on a console, without the need for glasses – a bit like an improved version of the 3DS.
It's likely this patent is connected to the previous Sony patent for eye-tracking. Either way, it looks like Sony has quite a few tricks up its sleeve for its next-generation hardware.
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