Under display passive terahertz biometric imaging device
US11922716B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2021 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Mar 10, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/1765
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a passive terahertz biometric imaging device configured to be arranged under an at least partially transparent display panel and configured to capture a terahertz image of an object located on an opposite side of the transparent display panel, the terahertz biometric imaging device comprising: an image sensor comprising an antenna pixel array arranged to detect terahertz radiation produced by the object, for capturing a terahertz image of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.