Optical combiner lens with spacers between lens and lightguide
US11262585B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2019 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Nov 1, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical combiner lens includes a lens and a lightguide with a gap defined between the lens and the lightguide. Spacers are disposed in the gap to maintain the gap at a set height. A method of making the optical combiner lens and a wearable heads-up display including the optical combiner lens are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.