Canon patent a one more hybrid image sensor, the image sensor shape can be adjusted based on needs. We have published the first Curve Hybrid Sensor patent on December 30th, 2016 and second on December 9th, 2016. Both patent shows flexible curve sensor .
The level of curvature in the sensor changes to accept traditional as well as curved lenses. Hence you can use both type of lenses on the camera, , traditional lenses those are made for flat sensor can be used without an issue as well as lenses made for curve sensor camera.
We have seen lot curve sensor patent form Canon itself and here is the list
Below you have the links of the Canon curve sensor patents #1, #2 and #3
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The flexibility is used for adaptation to different focal length mainly.