Substrate-guided imaging lens
US8000020B2 · kind B2 · utility
149Cited by
2References
36Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2007 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jul 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0138
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located between a portion of the major surface of the substrate and the reflecting optical element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.