Capacitively coupled electric field control device
US9612504B2 · kind B2 · utility
1Cited by
5References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2013 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Nov 12, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/128
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spatially non-uniform electrode structure is proposed for controlling a spatially non-uniform electric field driving a tunable liquid crystal lens. The spatially non-uniform electrode structure enables the generation of a predetermined spatially non-uniform electric field profile where complex capacitive coupling between multiple different electrically floating neighboring electrode segments is employed for the generation of the electrical field of desired form by supplying an initial electric potential to a limited number of electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.