US Patent 10495897 Lens driving mechanism having leaf spring

A lens driving mechanism is provided, including a bottom plate, a housing, a movable portion, and a biasing assembly. The housing is connected to and disposed on the bottom plate. The movable portion is disposed in the housing and movably connected to the bottom plate, wherein the biasing assembly is configured to force the movable portion to move relative to the bottom plate. The movable portion has a frame, a holder, and a first leaf spring. The holder is configured to hold an optical lens and is movably connected to the frame via the first leaf spring. The first leaf spring is disposed on a bottom surface of the frame, wherein the bottom surface of the frame faces the bottom plate.