Display device with integrated touch screen
US9063624B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2012 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Jun 13, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04184
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display device with integrated touch screen is provided. The display device may include a panel and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The touch IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes to determine whether there is a touch when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the touch IC may apply a common voltage to the plurality of driving electrodes and sensing electrodes. The touch IC may include a sensing unit sensing whether there is a touch by use of a touch sensing reference voltage applied to the sensing unit and having the same level as a minimum voltage of the driving pulse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.