Nanowire security films
US9913368B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2016 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Sep 2, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/0715
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Articles and related methods, the article having an enclosed area at least partially surrounded by a visible light-transmissive protective film comprising a first visible light-transmissive flexible film, a second visible light-transmissive flexible film, and a visible light-transmissive patterned conductive layer interposed between the first visible light-transmissive flexible film and the second visible light-transmissive flexible film, the visible light-transmissive conductive layer comprising a dispersion of metal nanowires within a polymeric matrix having an average pore size among metal nanowires that is impenetrable by electromagnetic radiation having a wavelength greater than 1 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.