Increasing field of view of head-mounted display using a mirror
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United States of America Patent
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Mar 6, 2018
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app pub date -
Dec 28, 2015
filing date -
Dec 28, 2015
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Abstract
A head-mounted display (HMD) (e.g., VR headset or AR headset) displays a 3D virtual scene and includes a mirror to increase a field of view (FOV). The HMD includes an electronic display that further includes a primary display and an extended display, where the content displayed on the primary display is presented to the user's eye at an exit pupil through a lens and content displayed on the extended display is presented at the exit pupil through reflections of the mirror. The mirror is positioned between the exit pupil and the electronic display such that the mirror reflects light originating from the extended display and provides the reflected light to the exit pupil to increase the FOV. The combination of the content viewed through the lens and that of the reflected light of the extended display results in an FOV larger than when the content is viewed only through the lens.
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