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US 2018/0149825 A1Published application
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 spring includes an upper spring piece and a lower spring piece made of amorphous material, and the upper spring piece fixes and supports the upper end of the barrel in the barrel, and the lower spring piece fixes and supports the lower end of the barrel in the barrel.
4 more elements
Dependencies are inferred from the claim text.