Title:
LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/235667
Kind Code:
A1
Abstract:
Provided are a lens driving device, a camera module, and a camera-mounted apparatus which exhibit high versatility, and are suited for reduction in size and weight. This lens driving device is configured separately from a lens unit which has a liquid lens, and is provided with: a fixed part; a movable part disposed away from the fixed part; a support part that supports the movable part with respect to the fixed part; a driving unit that is formed from a voice coil motor comprising a coil and a magnet and that moves the movable part in an optical axis direction with respect to the fixed part; and a lens deformation unit that is connected to the movable part and that applies, in association with the movement of the movable part, a force to the liquid lens in the optical axis direction. The movable part has a plurality of movable units, and the driving unit drives the movable units independently so as to change the curvature of the liquid lens or to change the optical axis of the liquid lens.
Inventors:
OSAKA TOMOHIKO
HAYASHI ICHIRO
KIKUCHI ATSUSHI
HAYASHI ICHIRO
KIKUCHI ATSUSHI
Application Number:
PCT/JP2020/020217
Publication Date:
November 26, 2020
Filing Date:
May 22, 2020
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
OSAKA TOMOHIKO
HAYASHI ICHIRO
KIKUCHI ATSUSHI
OSAKA TOMOHIKO
HAYASHI ICHIRO
KIKUCHI ATSUSHI
International Classes:
G02B3/14; G02B7/02; G02B7/04; G03B5/00; G03B17/02
Foreign References:
| US20190129132A1 | 2019-05-02 | |||
| JP6498188B2 | 2019-04-10 | |||
| JP2015114615A | 2015-06-22 | |||
| JP2017003956A | 2017-01-05 | |||
| JP2019139223A | 2019-08-22 | |||
| JP2020112793A | 2020-07-27 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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