Security feature and value product and/or security product containing the security feature
US9842451B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2013 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Oct 1, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/387
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An easily producible security feature according to the invention contains at least one luminescence device on and/or in a product carrier. Additionally, the security feature contains, in and/or on the product carrier, at least one absorptive spectral filter for luminescence radiation exiting from the at least one luminescence device, such that a color impression results both under illumination with visible radiation and under luminescence illumination conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.