Filter for display system
US7038867B2 · kind B2 · utility
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0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2005 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Jun 14, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133514
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A filter for a display system is provided which includes a fluid chamber having a selectively moveable filtering fluid, plural electrodes being coupled with the fluid chamber to accommodate establishment of an electric field whereby the filtering fluid may be selectively positioned in an optical path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.