Touch display device and power supply control method
US12013740B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 14, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Dec 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0416
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Touch display device and power supply control method are provided. The touch display device includes power supply module including: power supply control circuit; power management chip provides touch operation processing circuit, touch display control driver circuit and touch integrated circuit with operating voltage; the touch operation processing circuit provides first control signal to control signal output terminal when the touch display device is in sleep-state, to enable the power supply control circuit to supply power to the power management chip via second power supply terminal under control of the first control signal; and provides second control signal to the control signal output terminal when the touch display device is in the sleep-state and the touch display panel is touched, to enable the power supply control circuit to supply power to the power management chip via first power supply terminal under control of the second control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.