Fingerprint identification device, array substrate, display device and fingerprint identification method
US11216117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2018 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Nov 10, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04105
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present disclosure provide a fingerprint identification device, an array substrate, a display device and a fingerprint identification method. The fingerprint identification device includes: a first gate line, a second gate line, a read signal line and a voltage dividing unit, wherein, a plurality of fingerprint identification units are defined by the second gate line and the read signal line intersecting with each other, and the fingerprint identification unit includes a photosensitive member and a thin film transistor; the first gate line is connected with the voltage dividing unit, the voltage dividing unit includes a pressure sensitive member and an equivalent resistor connected in series, and the second gate line is connected between the pressure sensitive member and the equivalent resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.