Electrowetting cell with stepped lateral wall electrodes
US10268036B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2017 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Dec 14, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A system comprises a driver and an electrowetting cell controlled by the driver that includes a substrate that includes a well filled with at least two non-mixing media. The well has lateral walls and a stepped control channel electrode matrix including multiple stepped control channel electrode arrays. The lateral walls can collectively form a continuous perimeter around the well (e.g., circle shaped). Each stepped control channel electrode array includes a number of stepped control channel electrodes formed at different longitudinal levels along a respective lateral wall. Each stepped control channel electrode is independently controllable to control a shape of the at least two non-mixing media via an electric field. Each lateral wall encloses the at least two non-mixing media inside the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.