Optically variable elements comprising an electrically active layer
US8702005B2 · kind B2 · utility
6Cited by
10References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2005 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Mar 29, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/145
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
There is described a security element having at least one optically variable device, in which at least one layer of the optically variable device is in the form of an electrically active layer (13, 14) of an electronic component and/or an electronic circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.