Title:
LENS DRIVING DEVICE, CAMERA MODULE AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/216955
Kind Code:
A1
Abstract:
The first embodiment of the present invention relates to a lens driving device comprising: a cover including an upper plate and a lateral plate extending from the upper plate; a bobbin arranged to move in a first direction within the cover; a coil arranged at the bobbin; a magnet which is arranged at the cover and faces the coil; and a base which is arranged below the bobbin and coupled to the cover, wherein the bobbin includes: a first surface facing the upper plate of the cover; a second surface which faces upwards and is arranged lower than the first surface; a first protrusion which is arranged at the first surface of the bobbin and overlapped with the upper plate of the cover in a first direction; and a groove concavely formed downwards on the second surface of the bobbin.
Inventors:
LEE SUNG GUK (KR)
Application Number:
PCT/KR2018/005670
Publication Date:
November 29, 2018
Filing Date:
May 17, 2018
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B7/02; G03B5/02; G02B7/04; G02B7/09; G02B7/28; G02B27/00; G03B3/10; G03B13/36; G03B17/02; G03B17/12
Foreign References:
| JP2010190923A | 2010-09-02 | |||
| KR20160041919A | 2016-04-18 | |||
| JP2008281820A | 2008-11-20 | |||
| JP2014066935A | 2014-04-17 | |||
| US20140247389A1 | 2014-09-04 |
Other References:
See also references of EP 3633447A4
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (KR)
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