Touch screen device with normal and sleep modes and method for driving the same
US9696883B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2015 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | May 22, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/50
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch sensitive display device and a method for driving the same capable of increasing the touch recognition rate of the touch sensitive display device in the sleep mode are disclosed. The touch sensitive display device supports a normal mode and a sleep mode. The display device includes touch driving lines and a touch driver to supply one or more touch driving signals to the touch driving lines. The touch driver supplies the one or more touch driving signals at a first frequency during the normal mode of the touch sensitive display device, supplies the one or more touch driving signals at a second frequency during a first portion of the sleep mode of the touch sensitive display device, and supplies the one or more touch driving signals at a third frequency during a second portion of the sleep mode of the touch sensitive display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.