High brightness optical device
US7339742B2 · kind B2 · utility
138Cited by
6References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2004 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Sep 9, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0118
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided an optical device, comprising a display source; a light-diffuser; an imaging optical module, and an output aperture from the optical device characterized in that the light diffuser is an angular, non-uniform diffuser of light for increasing a portion of light emerging from the display source that passes through the output aperture. A method for improving the brightness of an optical display is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.