Pixel structure of flat panel detection device, flat panel detection device and camera system
US11221422B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 24, 2019 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Dec 24, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F77/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel structure of flat panel detection device, a flat panel detection device, and a camera system. The pixel structure of the flat panel detection device includes a photodiode configured to collect optical signals and convert the optical signals into electrical signals, the photodiode includes a positive terminal and a negative terminal, the negative terminal is connected to a bias voltage signal terminal; a signal amplification circuit, a signal input terminal of the signal amplification circuit is connected to the negative terminal of the photodiode, a signal output terminal of the signal amplification circuit is connected to a first node; a first switching transistor, a control electrode of the first switching transistor is connected to a scanning signal line, a first terminal of the first switching transistor is connected to a data signal line, and a second terminal of the first switching transistor is connected to the first node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.