Touch control device and touch display device
US9927912B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Nov 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch control device and a touch display device are provided. The touch control device comprises a plurality of driving electrodes extending in a first direction and divided into a plurality of driving electrode groups arranged in a third direction, a plurality of sensing electrodes extending in a second direction, a plurality of driving units electrically connected to the plurality of driving electrodes and providing driving signals to the driving electrodes, and a sensing circuit electrically connected to the sensing sub-electrodes and detecting output signals from the sensing sub-electrodes. Each sensing electrode includes a plurality of sensing sub-electrodes, a projection of each sensing sub-electrode on the driving electrodes is not overlapped with each other, and a sum of the projections of the sensing sub-electrodes are overlapped with each driving electrode. At least one driving unit is simultaneously electrically connected to at least one driving electrode in each driving electrode group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.