NVIDIA earlier collaborated with Stanford University to createUltra-thin virtual reality glasses designBy changing the focal length of the image formed in the eye, the size of the virtual reality glasses can be reduced.
Currently common virtual reality glasses not only need to house computing components and circuit systems, but also require sufficient focal length space to allow virtual reality images to be successfully formed in the user's eyes. Therefore, most of them are presented in a certain size. If they are designed to operate independently, the size will be even larger.
The prototype design developed by NVIDIA and Stanford University uses the principle of optical waveguides and a new phase calculation method to allow optical components only 2.5mm thick to focus light on the user's eyes to form a 3D holographic image vision, thereby achieving the same visual effect as existing virtual reality headsets.
However, due to physical limitations, the current viewing angle of this design is only 22.8°, which means that the actual visual field is quite limited. However, if breakthroughs in design continue in the future, it may be possible to create a virtual reality headset that looks like glasses.
In addition to NVIDIA, Meta has also proposed a virtual reality headset designed like ordinary glasses, using the same principle of light waveguide to form 3D holographic images. Qualcomm also expects to see the emergence of virtual reality headsets similar to ordinary glasses in the next few years, and they will be as widely used as mobile phones.
