US Patent 9923014 Image sensor and method of manufacturing the same

An image sensor includes a first charge storage region of a first conductive type disposed in a substrate, a second charge storage region of a second conductive type disposed on one side of the first charge storage region, a first floating diffusion region spaced apart from the first charge storage region, a second floating diffusion region spaced apart from the second charge storage region, a first transfer gate disposed on the substrate between the first charge storage region and the first floating diffusion region, and a second transfer gate disposed on the substrate between the second charge storage region and the second floating diffusion region.