Touch display device having auxiliary capacitor
US9477365B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2015 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Apr 29, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/04
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch display device having auxiliary capacitor, including: at least one touch operation area, each having two opposing substrates, between which are a first electrode, a first conductive line coupled with the first electrode, a second electrode, a second conductive line coupled with the second electrode, and a display layer neighboring both the first electrode and the second electrode; a display driver unit for outputting at least one display driving voltage; a touch detection unit having at least one touch signal sensing port; at least one auxiliary capacitor, each coupled with one of the at least one touch operation area; and at least one switch element; wherein, each of the at least one display driving voltage is coupled to one of the at least one touch operation area via one of the at least one switch element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.