Photosensitive circuit structure and optical device
US12326361B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2023 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Mar 6, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2001/446
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A photosensitive circuit structure and an optical device, where the photosensitive circuit structure includes a photosensitive unit, a signal amplification unit and a control unit; the photosensitive unit includes a photodiode and a reset transistor, the signal amplification unit includes an amplification transistor, and the control unit includes a control transistor; an input terminal, an output terminal and a control terminal of the reset transistor are electrically connected to a power supply terminal, a control terminal of the amplification transistor and a reset signal terminal, respectively; an input terminal and output terminal of the amplification transistor are electrically connected to the power supply terminal and an input terminal of the control transistor respectively, and a control terminal of the control transistor is connected to a signal control terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.