Touch display device and method of operating the touch display device
US12189897B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
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Key dates
| Filing date | Jun 25, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Jun 25, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0443
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.