Touch detection method and apparatus for touch display screen
US10275091B2 · kind B2 · utility
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0References
20Claims
0Family size
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Key dates
| Filing date | Aug 18, 2016 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Nov 30, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides a touch detection method and apparatus for a touch display screen, wherein a time period for scanning the touch display screen within each frame comprises a display scanning phase and a touch scanning phase, the method comprising: scanning a part of the touch display screen during the touch scanning phase to detect whether there is a touch signal; and reducing a frame rate of the touch display screen and scanning the whole touch display screen when the touch signal is detected. Accordingly, the charging time of the panel is guaranteed while displaying and touch detecting functions are multiplexed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.