Projector with total cross total internal reflection (TIR) prisms
US7167314B2 · kind B2 · utility
5Cited by
12References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2005 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Apr 23, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3105
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projector has at least first and second micro-displays and at least first and second cross total internal reflection prisms respectively optically coupled to the at least first and second micro-displays. Each of the at least first and second cross total internal reflection prisms has first and second total internal reflection interfaces. A combiner is optically coupled to the at least first and second cross total internal reflection prisms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.