Use of folded optics to reduce volume in a virtual-reality system
US11022784B1 · kind B1 · utility
12Cited by
23References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Nov 17, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133638
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Folding optics are used in conjunction with a lens system to reduce a back focal length of a head-mounted display. The lens system provides optical power to focus light from an optical display. The folding optics reflects light to fold upon itself to reduce a distance between the lens system and the optical display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.