Liquid crystal lens
US8421990B2 · kind B2 · utility
2Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2011 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Aug 13, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal lens includes a first light-pervious plate, a second light-pervious plate, a first electrode layer arranged on the first light-pervious plate, a second electrode layer arranged on the second light-pervious plate, and a liquid crystal layer sandwiched between the first light-pervious plate and the second light-pervious plate, where the first electrode layer comprises a plurality of concentric electrodes, and a gap between two adjacent outer concentric electrodes is different from a gap between two adjacent inner concentric electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.