Patent · US Active

Lens driving device

US11604328B2 · kind B2 · utility

0Cited by

0References

13Claims

0Family size

Assignee

LANTO ELECTRONIC LIMITED · CN

Inventors

Fuyuan Wu · Kunshan, CN
Yaobang Guo · Kunshan, CN
Shengwen Sun · Kunshan, CN
Bingbing Ma · Kunshan, CN

Key dates

Filing date	Sep 30, 2020
Grant date	Mar 14, 2023
Priority date	—
Expiry date	Jul 24, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH02K41/0356
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Provided is a lens driving device. The lens driving device includes a housing, a base assembly, and a lens holder. The base assembly forms an accommodation space with the housing, the lens holder is suspended in the accommodation space, and the electromagnetic driving assembly is located at a side of the lens holder and is configured to drive the lens holder to move along a horizontal direction and a vertical direction. The electromagnetic driving assembly includes a magnetic steel structure and a coil structure vertically opposite to the magnetic steel structure, one of the magnetic steel structure and the coil structure is disposed on the housing or the base assembly, and the other one of the magnetic steel structure and the coil structure is disposed on the lens holder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.