Variable focus lens
US7352514B2 · kind B2 · utility
6Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Mar 22, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An achromatic electrowetting lens is provided. This is achieved by a particular choice of the parameters n, n2, V, and V2, wherein n is the refractive index and V is the Abbe number. By fulfilling the relations: Formula (I) an achromatization of the electrowetting lens is achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.