Fingerprint sensing unit and display device including the same
US11106882B2 · kind B2 · utility
0Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2018 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Jan 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/805
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The fingerprint sensing unit including: a substrate; a scan line disposed on the substrate and extending along a first direction; a common power line disposed on the substrate and extending along a second direction crossing the first direction; a thin film transistor connected to the scan line and the common power line; a sensing electrode connected to the thin film transistor; a first lens disposed on the sensing electrode and protruding in a direction away from the sensing electrode; and a first light blocking layer disposed on the sensing electrode and surrounding the first lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.