Photo sensor, display device including the same and driving method thereof
US9214106B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 21, 2012 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Aug 3, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/142
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are a photo sensor, a display device including the same, and a driving method thereof. The photo sensor includes: an amplifying element including an input terminal coupled to a scan line for receiving a scan signal, an output terminal configured to output a sensing signal, and a control terminal connected to a first node; a sensing capacitor connected with the first node; a photosensitive sensing element including a control terminal connected with a terminal of a first control signal, an output terminal connected with the first node, and an input terminal; and a reset element connected with the output terminal of the amplifying element and resetting the output terminal of the amplifying element to second voltage according to a reset control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.