A patent over at Egami showing Canon is working on an RGBW image sensor has appeared.
Patent publication number 2016-208093 (Google Translated)
- Release date 2016.12.8
- Application date 2015.4.15
- RGBW 12 array
- Generate resolution data and color data, synthesize resolution data and color data, up-convert, process with mosaic (Bayer conversion), demosaic in order
The new patent shows how to get increased sensitivity, but sacrifices color resolution.