Spatially separated exit pupils in a head mounted display
US10564418B2 · kind B2 · utility
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6Claims
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Assignee
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Key dates
| Filing date | Feb 14, 2019 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Feb 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed herein are devices and methods to provide multiple eyeboxes from multiple input pupils. In particular, a projection system can direct light from multiple input pupils to a holographic optical element. The light of each of the input pupils having light beams of different wavelengths. The holographic optical element reflects at least part of the light of the multiple input pupils to form an array of exit pupils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.