Patent · US Active

Under display passive terahertz biometric imaging device

US11922716B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 10, 2021
Grant dateMar 5, 2024
Priority date
Expiry dateMar 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.