Lens driving device
First Claim
Patent Images
1. 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;
wherein the lower spring piece includes a first lower spring piece and a second lower spring piece;
the first lower spring piece and the second lower spring piece are located coplanar with each other and insulated from each other.
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Accused Products
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.
4 Citations
6 Claims
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1. A lens driving device, comprising:
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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;wherein the lower spring piece includes a first lower spring piece and a second lower spring piece; the first lower spring piece and the second lower spring piece are located coplanar with each other and insulated from each other. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification