Photosensitive array substrate, method for driving the same, optical touch screen and display device
US9990079B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Nov 27, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0421
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a photosensitive array substrate, an optical touch screen including the photosensitive array substrate, and a display device including the optical touch screen. The photosensitive array substrate includes a plurality of gate lines for providing a gate line scanning signal, a plurality of common electrodes, a plurality of touch sensing read lines, and a plurality of photosensitive sensing units coupled to the gate lines, the common electrodes, and the touch sensing read lines for providing corresponding touch sensing control signals over the touch sensing read lines based on an intensity of external light shined on the photosensitive sensing units and controlled by the gate line scanning signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.