OmniVision claims to have broken the world record for pixel size for the CMOS found in smartphone cameras. The new ultra-tiny component is now thus touted to drive ever higher resolution in the field of mobile device imaging, not to mention enhanced technical specs such as quantum efficiency and quad phase-detection autofocus performance, not to mention energy savings.
https://www.notebookcheck.net/OmniVision-announces-the-development-of-the-world-s-smallest-pixel-for-mobile-image-sensors.601723.0.html