Image sensor having blooming effect preventing circuitry
US6410901B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Jan 10, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor includes a plurality of unit pixels for sensing a light beam to generate an image data. Each unit pixel includes a light sensing element for sensing a light beam incident thereto and generating photoelectric charges, a transferring unit for transferring the photoelectric charges to a sensing node, a first resetting unit for making a fully depleted region within the light sensing element and resetting the sensing node by providing a power supply voltage to the sensing node, and a second resetting unit for transferring excess charges generated in the light sensing element to a power line when the sensing node is reset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.