In contrast, Outwardly facing displays can provide information that enables outward interactions of the user with the real world (e.g., people in the vicinity of the user). In this scenario, the inward display is hidden from view by individuals other than the user. These structures may include tunable lenses or other optical components that allow control circuitry in the device to adjust the first display to accommodate vision defects of the user such as nearsightedness.Īccording to Apple, Inwardly facing displays may have display surfaces (pixel arrays) that are oriented towards a user's eyes when the HMD is worn on a user's head. Apple's granted patent also covers adjustable lenses to accommodate user vision defects.Īnother aspect of the granted patent relates to the first display (internal display) may have microlenses, tunable lens structures, holograms, lasers, and other structures for displaying images in multiple selectable eye boxes while the electronic device is being worn on the head of a user. The internal display allows the user to view mixed reality content whereas the external display may display viewable images that the public could view – including being able to see a virtual face of the HMD wearer. Patent and Trademark Office officially granted Apple a patent that relates to a possible future Mixed Reality Headset with back-to-back displays.
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