Photodetection device and electronic apparatus
US12063446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2020 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Dec 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A photodetection device according to the present disclosure includes: a first pixel that is configured to generate a first pixel signal; a reference signal generator that is configured to generate a reference signal; and a first comparator including a first power supply circuit and a first comparison circuit, the first power supply circuit configured to generate a first power supply voltage on the basis of a power supply voltage supplied from a first power supply node and a bias voltage and configured to output the first power supply voltage from an output terminal, and the first comparison circuit configured to operate on the basis of the first power supply voltage and configured to perform a comparison operation on the basis of the first pixel signal and the reference signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.