Wearable virtual reality and augmented reality display apparatus
US9869862B2 · kind B2 · utility
8Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2016 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Jun 1, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2213/001
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wearable augmented reality (AR) or virtual reality (VR) display apparatus includes an optical waveguide; an optical free-form surface; and a microdisplay; wherein optical free-form surface is optically coupled to the waveguide through an inclined optical path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.