Pixel drive voltage generation using a charge pump
US11930288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2019 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Sep 23, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8037
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor comprises an array comprising rows and columns of pixels, a first number N of connection lines connected to a first number N of pixels of the array, a voltage regulating circuit having an output, a first terminal, and a driver circuit. The driver circuit has a first number N of switches coupled to the first number N of connection lines and to the output of the voltage regulating circuit, and a first number N of further switches coupled to the first number N of connection lines and to the first terminal. The first number N is at least two.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.