Fingerprint recognition substrate, driving method thereof and display device
US11810389B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 29, 2020 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0446
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides fingerprint recognition substrate including fingerprint recognition units arranged in array, signal reading line groups and gating circuits, fingerprint recognition units are divided into first fingerprint recognition groups arranged along row direction, first fingerprint recognition groups, signal reading line groups and gating circuits are in one-to-one correspondence with one another; first fingerprint recognition group includes fingerprint recognition units consecutively arranged in row direction, signal reading line group includes signal reading lines each coupled to corresponding column of fingerprint recognition units; gating circuit includes switch circuits each coupled to one signal transmission channel on signal receiving unit through corresponding switch circuit; among all signal reading lines, different signal reading lines in same signal reading line group are coupled to different signal transmission channels, and at least two signal reading lines in different signal reading line groups are coupled to same signal transmission channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.