Optical element driving mechanism
AssigneeTDK Taiwan Corp.
InventorsChao-Chang Hu, Chen-Hsien Fan, Shang-Hung Chen, He-Ling Chang, Chih-Wei Weng
Life of this patent
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Abstract
An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and an assisting assembly. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is disposed on the movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion through the assisting assembly.
Claims14
An optical element driving mechanism, comprising:
- a movable portion for connecting to an optical element having a main axis;
- a fixed portion, wherein the movable portion is movable relative to the fixed portion;
- a driving assembly disposed on the movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion;
- and
- an assisting assembly, comprising a support element and a limiting element, wherein the limiting element is affixed on the fixed portion, and the movable portion is movably connected to the fixed portion through the assisting assembly;
- wherein the support element is partially embedded in the movable portion, and the support element comprises an embedded portion embedded in the movable portion and an exposed portion that is at least partially exposed from the movable portion, wherein the embedded portion have a plate shape, and the exposed portion have a half-spherical shape;
- wherein the limiting element has a column extending along the main axis, an opening is formed in the column, and the exposed portion of the support element is disposed in the opening.
Dependencies are inferred from the claim text.