The latest move adds to the company's arsenal of patents related to foldable phones. The devices envisaged in the patent folds like a book and may be released later this year, ubergizmo.com reported on Sunday.
According to the details in the patent, the foldable smartphone would have a new hinge system that would make possible to fold a large display in half when the handset is closed.
The foldable smartphones may include a hologram unit that "may show a stereoscopic image (3D image) in the air using interference of light".
On the other hand, the projector will project an image onto a screen that may be located inside or outside the device.
However, there is no description of any app related to the technology and about how users would access these features.
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