Pixel sensing circuit, driving method thereof, detection panel, and electronic device
US11822024B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 31, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Mar 17, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a pixel sensing circuit, including a signal generation sub-circuit, a reset sub-circuit, an amplification sub-circuit, and a read sub-circuit. The reset sub-circuit is configured to provide a signal of a first power supply line to a first node under control of a reset signal line. The signal generation sub-circuit is configured to detect a light signal and convert the detected light signal into an electrical signal. The amplification sub-circuit is configured to provide an amplified electrical signal to a second node according to a signal provided by a second power supply line and under control of the first node. The read sub-circuit is configured to output the amplified electrical signal to a signal read line under control of a scan signal line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.