It looks like Canon is continuing to research curved sensors, this patent is geared towards light fall off on the sides of the sensor.
Patent Publication No. 2016-197663 (Google Translated)
- Published 2016.11.24
- Filing date 2015.4.3
- The central portion of the light falloff is not noticeable to the flat shape
- The periphery light falloff is noticeable a curved shape
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