Title:
LENS DRIVING DEVICE AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2021/019820
Kind Code:
A1
Abstract:
A lens driving device (101) is provided with: a spacer member (1); a cover member (4); a magnetic field generating member (5); and an upper leaf spring (16). The cover member (4) is formed from a nonmagnetic material and has a ceiling part (4B) and a peripheral wall part (4A) including a pair of mutually opposite side plate parts. The spacer member (1) is disposed with a portion contacting the ceiling part (4B) of the cover member (4), and the upper leaf spring (16) is secured thereto. The spacer member (1) includes a frame part (1C) that faces the ceiling part (4B) and a protruding part (1P) that protrudes downward (in the Z2 direction) from the frame part (1C) to face the peripheral wall part (4A). The magnetic field generating member (5) is shaped to extend in a direction perpendicular to the optical axis and is secured to the peripheral wall part (4A) while being interposed between the protruding part (1P) and the peripheral wall part (4A).
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Inventors:
ANDO JUN (JP)
OSHITA KATSUHIKO (JP)
OSHITA KATSUHIKO (JP)
Application Number:
PCT/JP2020/010318
Publication Date:
February 04, 2021
Filing Date:
March 10, 2020
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G03B17/02; G02B7/04; H02K33/18; H04N5/225
Foreign References:
| JP2008186000A | 2008-08-14 | |||
| JP2015146022A | 2015-08-13 | |||
| JP2012037549A | 2012-02-23 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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