Color filter array and image sensor
US10863150B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Feb 7, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/134
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color filter array includes color filter units each of which is a square array formed by four square pixels. The first color pixel and the second color pixel are arranged to form a row, the two third color pixels are arranged to form another row, and a row pixel direction of the color filter unit relative to a horizontal direction is inclined by 45° to left or right. The color filter array is an inclined rectangular array, pixels from an intermediate row to a first row or to a last row in a same direction is progressively decreased with a decrement of 1 or 2, and pixels in the first row and the last row is 1 or 2. The application can significantly increase the area of pixels of the unit color filter, and improve the sensitivity of the image sensor without reducing the resolution of the image sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.