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US 9,915,800 B2Granted
Lens driving device
AssigneeAAC Technologies Pte. Ltd.
InventorsXudong Yan, Jing Wang
Life of this patent
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Abstract
A lens driving device includes a housing with an accommodation space, a barrel accommodated in the housing, a coil wound around the barrel and a magnet fixed to the housing. The lens driving device further includes a spring piece at least partially made of amorphous alloy materials, and the spring piece support the described barrel to perform the to-and-fro motion along the axis. Comparing to the relevant technologies, the lens driving device has good performance and high reliability.
Claims7
A lens driving device, comprising:
- a housing with an accommodation space;
- a barrel accommodated in the housing;
- a coil wound around the barrel;
- a magnet fixed to the housing;
- and
- a spring piece made of amorphous alloy materials for supporting the barrel in the housing;
- wherein the amorphous alloy material is Zr—Al—Ni—Cu—Y or Zr—Al—Ni—Cu—Be.
4 more elements
Dependencies are inferred from the claim text.