Heads-up display comprising an optical mixer with controllable pupil expansion
US9952428B2 · kind B2 · utility
1Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Apr 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The general field of the invention is that of heads-up display systems comprising at least one display and one optical guide comprising a first image guide comprising a plurality of first internal semi-reflecting plates, inclined with respect to a first plane. The heads-up display system according to the invention comprises: The display system can comprise a second image guide perpendicular to the first.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.