Touch panel, driving method thereof, and display device based on electromagnetic induction
US10191605B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 23, 2017 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Mar 23, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04107
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An embodiment of this disclosure discloses a touch panel. The touch panel comprises a first substrate and a second substrate opposite to the first substrate. The touch panel further comprises a plurality of magnetic protrusions arranged on the first substrate and protruding towards the second substrate. The touch panel further comprises a first coil group and a second coil group, the first coil group comprises a plurality of coils extending in a first direction, and the second coil group comprises a plurality of coils extending in a second direction. The first coil group and the second coil group are stacked on the second substrate and insulated from each other. The coils of the first and second coil group and corresponding magnetic protrusions constitute a plurality of inductive sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.