Patent ID: 11953753
Assignee: LG INNOTEK CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A voice coil motor comprising:
a base;
a bobbin disposed on the base;
a coil disposed on the bobbin;
a magnet facing the coil; and
a first elastic member coupled to the bobbin,
wherein the first elastic member comprises a first elastic unit and a second elastic unit,
wherein the first elastic unit comprises a first inner elastic unit coupled to the bobbin, a first outer elastic unit disposed outside the first inner elastic unit, and a first connection unit connecting the first inner elastic unit and the first outer elastic unit,
wherein the second elastic unit comprises a second inner elastic unit coupled to the bobbin, a second outer elastic unit disposed outside the second inner elastic unit, and a second connection unit connecting the second inner elastic unit and the second outer elastic unit, and
wherein the first inner elastic unit comprises a first area having a first hole adjacent to one end of the first connection unit connected to the first inner elastic unit, and a second area having a second hole spaced apart from the first hole,
wherein the second inner elastic unit comprises a third area having a third hole adjacent to one end of the second connection unit connected to the second inner elastic unit, and a fourth area having a fourth hole spaced apart from the third hole,
wherein the first hole and the second hole are spaced apart from outer surfaces of the first inner elastic unit,
wherein the first hole comprises a first hole part and a second hole part having a width smaller than a width of the first hole part,
wherein the third hole comprises a shape different from the fourth hole.