Title:
LENS DRIVING DEVICE AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2022/163630
Kind Code:
A1
Abstract:
A lens driving device (101) comprises: a base member (7); a lens holding member (2) capable of holding a lens body; a guide mechanism (GM) for guiding the lens holding member (2) so as to be movable in the optical axis direction with respect to the base member (7); a piezoelectric drive portion (PD) that has at least a piezoelectric element (8) and moves the lens holding member (2) in the optical axis direction; and a link mechanism (LM) that is disposed between the lens holding member (2) and the base member (7) and suppresses a change in posture when the lens holding member (2) moves in the optical axis direction.
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Inventors:
SUZUKI KATSUTOSHI (JP)
Application Number:
PCT/JP2022/002607
Publication Date:
August 04, 2022
Filing Date:
January 25, 2022
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G02B7/04; G03B17/02; G03B30/00
Domestic Patent References:
| WO2017069491A1 | 2017-04-27 |
Foreign References:
| JP2014085397A | 2014-05-12 | |||
| JP2010097216A | 2010-04-30 | |||
| JP2014219654A | 2014-11-20 | |||
| JP2013242426A | 2013-12-05 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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