Title:
LENS DRIVE DEVICE AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2020/026515
Kind Code:
A1
Abstract:
A lens drive device (101) comprises: drive magnets (5), including magnets (5A, 5B, 5C) which face a first coil (3A), and magnets (5A, 5B, 5D) which face a second coil (3B); a magnet holder (MH) for holding the drive magnets (5); leaf springs (6) that support, with respect to the magnet holder (MH), a first lens holding member (2A) and a second lens holding member (2B) so that the same can move in the optical axis direction; a fixing side member (RG) provided with a coil (9) that faces the drive magnets (5) in the optical axis direction; and a wire (8) for supporting the magnet holder (MH) with respect to the fixing side member (RG) so that the magnet holder (MH) can move in a direction intersecting the optical axis direction. The magnets (5A-5D) constituting the drive magnets (5) are arranged so as to surround the first lens holding member (2A) and the second lens holding member (2B). The magnets (5A, 5B) face each other with the first lens holding member (2A) therebetween.
Inventors:
INAGAKI YASUSHI (JP)
OSADA HIROSHI (JP)
GOMYO HIDEYUKI (JP)
TANAKA TOSHIYUKI (JP)
SARUDATE AKIYOSHI (JP)
OSADA HIROSHI (JP)
GOMYO HIDEYUKI (JP)
TANAKA TOSHIYUKI (JP)
SARUDATE AKIYOSHI (JP)
Application Number:
PCT/JP2019/011612
Publication Date:
February 06, 2020
Filing Date:
March 19, 2019
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G02B7/04; G03B5/00; G03B17/02; G03B19/07; H04N5/225
Domestic Patent References:
| WO2017175505A1 | 2017-10-12 |
Foreign References:
| JP2017194679A | 2017-10-26 | |||
| CN106773105A | 2017-05-31 | |||
| US20150316744A1 | 2015-11-05 | |||
| CN206074886U | 2017-04-05 | |||
| US20170094187A1 | 2017-03-30 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: