Camera module including a lens assembly including a liquid lens
US11991428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2020 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Feb 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/682
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed in an embodiment is a camera module including a lens assembly including a liquid lens including a first liquid and a second liquid which form an interface therebetween, a voltage controller which applies a driving signal to the liquid lens to adjust the interface, a temperature sensor which detects temperature information of the liquid lens, an image sensor which receives light passing through the lens assembly, a sensing unit which detects information corresponding to the interface of the liquid lens, and a compensation unit which outputs feedback information to the voltage controller using the information corresponding to the interface of the liquid lens and the temperature information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.