Lens driving device

Lens driving device

A lens driving device capable of increasing overall thrust and having good balance includes a fixed side member, a lens holding portion capable of relatively moving in the fixed side member, a driving coil provided on the lens holding portion, and a driving magnet provided on the fixed side member a...

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Hauptverfasser: LU FEIYANG, ZHOU JING, WANG KAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator LU FEIYANG
ZHOU JING
WANG KAI
description A lens driving device capable of increasing overall thrust and having good balance includes a fixed side member, a lens holding portion capable of relatively moving in the fixed side member, a driving coil provided on the lens holding portion, and a driving magnet provided on the fixed side member and facing the driving coil. The lens holding part can move along a first direction serving as the optical axis direction of the lens assembly under the action of driving force of the driving magnet and the driving coil, and the lens holding part is provided with a boosting magnet; the driving coil, the driving magnet and the boosting magnet are arranged in a second direction perpendicular to the first direction; the driving magnet is composed of two magnets arranged in the first direction. The magnetizing directions of the two magnets are consistent with the second direction, and the polarities are opposite; the magnetizing direction of the boosting magnet is consistent with the first direction; when observed from
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The lens holding part can move along a first direction serving as the optical axis direction of the lens assembly under the action of driving force of the driving magnet and the driving coil, and the lens holding part is provided with a boosting magnet; the driving coil, the driving magnet and the boosting magnet are arranged in a second direction perpendicular to the first direction; the driving magnet is composed of two magnets arranged in the first direction. 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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Lens driving device
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