Light guide optical device
US7457040B2 · kind B2 · utility
484Cited by
15References
69Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 2003 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Sep 25, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided an optical device including a light-transmitting substrate having at least two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection and at least one partially reflecting surface located in the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.