This paper describes a method to combine a waveguided video display with a video display into providing an effectively larger field of view. The waveguided display which has a smaller field of view is positioned in the centre of the viewing device. This wave guided display will occupy the central region of the field of view. The video display which is positioned after the waveguided display will provide the surrounding peripheral regions of the field of view. In addition to these two types of fields of view regions, two video displays that are positioned from the two sides will provide the user with the far peripheral field of view regions. In effect, this configuration allows the user of this head-mounted device to experience a centre focused field of view with the perceptions of the surrounding peripheral and far peripheral fields of views.
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abeysekera, punarjeewa, "Virtual Reality HMD with a Video Display and a Wave Guided Video Display", Technical Disclosure Commons, (September 17, 2021)