Liquid lens and camera module and optical apparatus comprising same
US11409182B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2018 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Sep 3, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/294
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a liquid lens comprising a first plate having a cavity for receiving conductive liquid and nonconductive liquid formed thereon, a first electrode disposed on an upper portion of the first plate, a second electrode disposed on a lower portion of the first plate, a second plate disposed on an upper portion of the first electrode, and a third plate disposed on a lower portion of the second electrode, wherein at least one of the first plate and the second plate comprises a structure through which at least one of the conductive liquid and the nonconductive liquid can flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.