Optical actuator, and corresponding camera module and camera module array

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United States of America Patent

PATENT NO 11733477
APP PUB NO 20200310224A1
SERIAL NO

16771572

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Abstract

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An optical actuator, including: a base; a lens module comprising two first side surfaces opposite each other; and a plurality of shape memory alloy wires forming two wire groups, the two wire groups being disposed on the two first side surfaces, respectively, wherein two ends of each shape memory alloy wire are fixed to a base-end fixing device and a lens-end fixing device, respectively; and the direction of the resultant force acting on the lens module by the two wire groups is consistent with the direction of the optical axis of the lens module, so that the lens module is driven to move along the direction of the optical axis of the lens module by means of expansion and contraction of the shape memory alloy wires of the two wire groups.

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Patent Owner(s)

Patent OwnerAddress
NINGBO SUNNY OPOTECH CO LTDNINGBO ZHEJIANG 315400

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Zhenyu Yuyao, CN 152 625
Fang, Yinli Yuyao, CN 15 13
Tu, Hongde Yuyao, CN 2 9
Zhang, Jianlong Yuyao, CN 31 334

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