Image sensor
US11825216B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2023 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Feb 17, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor includes a pixel array with pixels arranged in a first direction and a second direction, intersecting the first direction. Each of the pixels includes a photodiode, a pixel circuit below the photodiode, and a color filter on or above the photodiode. A logic circuit acquires a pixel signal from the pixels through a plurality of column lines extending in the second direction. The pixels include color pixels and white pixels, the number of white pixels being greater than the number of color pixels. The pixel circuit includes a floating diffusion in which charges of the photodiode are accumulated and transistors outputting a voltage corresponding to amounts of charges in the floating diffusion. Each of the color pixels shares the floating diffusion with at least one neighboring white pixel, adjacent thereto in the second direction, among the white pixels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.