In-cell capacitive touch panel LCD module and method for driving the same
US9151979B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2013 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Dec 26, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0426
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An in-cell touch panel LCD module (100) and a method for driving the same includes a common electrode layer including first and second common electrodes. A control circuit divides the frame time period into a display time period and a touch control time period. A display signal is applied to the common electrode layer during the display time period for a normal LCD display. First and second touch control signals are applied to the first and second common electrodes, respectively, during the touch control time period, so that the electric potential of the first common electrode equals to that of the driving line and the electric potential of the second common electrode equals to that of the sensing line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.