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Patent Searching and Data


Title:
LENS DRIVE DEVICE, CAMERA MODULE, AND METHOD FOR MANUFACTURING LENS DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/049555
Kind Code:
A1
Abstract:
A lens drive device comprises: a lens holder capable of holding a lens body equipped with a lens; a first coil provided around the lens holder and moving the lens holder along the optical axis direction of the lens; a plurality of magnets provided around the first coil at a distance from the first coil; a magnet holder provided around the first coil and holding the magnets; upper and lower springs for coupling the lens holder and the magnet holder; a second coil provided at a distance from the magnets along the optical axis direction of the lens and moving the lens holder in a direction intersecting with the optical axis of the lens; a support for supporting the second coil; and a suspension wire for connecting the support and the upper spring. Each of the plurality of magnets is provided in a plurality of magnet placement regions in the magnet holder. Gaps are provided between each magnet and the surface that forms the magnet placement regions in the optical axis direction and in a direction perpendicular to the optical axis direction.

Inventors:
GOMYO HIDEYUKI (JP)
OTOMO KATSUHIKO (JP)
HASEGAWA KAZUAKI (JP)
SATO HIDEMITSU (JP)
Application Number:
JP2018/028576
Publication Date:
March 14, 2019
Filing Date:
July 31, 2018
Export Citation:
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Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G02B7/02; G02B7/04; G03B5/00; H04N5/225; H04N5/232
Foreign References:
JP2016095514A2016-05-26
JP2017148884A2017-08-31
JP2017067909A2017-04-06
JP2016206376A2016-12-08
JP2012027086A2012-02-09
JP2005274612A2005-10-06
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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