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

Claim 19:
20. 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 lower elastic member coupled to a lower surface of the bobbin,
wherein the lower elastic member comprises an inner elastic unit coupled to the bobbin, an outer elastic unit disposed outside the inner elastic unit, and first to fourth connecting units connecting the inner elastic unit and the outer elastic unit,
wherein the inner elastic unit comprises a first area connected to one end of the first connection unit and comprising a first hole and a first slit, a second area connected to one end of the second connection unit and comprising a second hole, a third area connected to one end of the third connection unit and comprising a third hole and a second slit, and a fourth area connected to one end of the fourth connection unit and comprising a fourth hole,
wherein the bobbin comprises first to fourth protrusions coupled to the first to fourth holes of the first elastic unit, respectively,
wherein the first slit has a width smaller than that of the first hole, and
wherein the second slit has a width smaller than that of third hole.