Actuating device having a flexible diaphragm controlled by electrowetting
US7595925B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2006 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Aug 7, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/0825
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An actuation device with several positions includes a support, at least one flexible membrane attached to the support forming at least one closed containment with the support with volume filled with at least one first liquid in the form of one or several drops, and at least a second liquid, the first liquid and the second liquid being immiscible, and an electrical device to modulate the profile of the membrane by controlling the shape of at least one of the drops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.