Sensing device and sensing method
US10749057B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Apr 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A device for sensing suspension operations or biometrics includes a light emitting module and a sensing layer. The light emitting module and the sensing layer are sequentially stacked. The light emitting module includes a plurality of light emitting elements emitting light near the infrared and the sensing layer includes a plurality of quantum dot thin film transistors. The quantum dot thin film transistor includes an active layer and quantum dots covering the active layer. The near-infrared light emitted by the plurality of light emitting elements is reflected by an animate object and received by the quantum dot thin film transistors. The sensing device can better sense suspension operations or biometrics. A method for the procedure is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.