Title:
LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/197178
Kind Code:
A1
Abstract:
An embodiment comprises: a housing; a bobbin disposed in the housing; a coil coupled to the bobbin; a magnet disposed at the housing and facing the coil; a base spaced apart from the bobbin; a lower elastic member including a first elastic member and a second elastic member which are coupled to the bobbin and arranged on the base; a first sensing coil disposed at the housing to interact with the coil to generate a first inductive voltage; a second sensing coil disposed at the base to interact with the coil to generate a second inductive voltage; and a first terminal, a second terminal, a third terminal, and a fourth terminal which are coupled to the base and spaced apart from the first and the second elastic member, wherein one end of the coil is coupled to the first elastic member, the other end of the coil is coupled to the second elastic member, one end of the first sensing coil is coupled to the first terminal, the other end of the first sensing coil is coupled to the second terminal, one end of the second sensing coil is coupled to the third terminal, and the other end of the second sensing coil is coupled to the fourth terminal.
Inventors:
PARK TAE BONG (KR)
KIM HYUN SOO (KR)
KIM HYUN SOO (KR)
Application Number:
PCT/KR2020/003838
Publication Date:
October 01, 2020
Filing Date:
March 20, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H04N5/232; G03B5/00; H04N5/225
Foreign References:
| KR20170104772A | 2017-09-18 | |||
| KR20190013301A | 2019-02-11 | |||
| KR20190027453A | 2019-03-15 | |||
| KR20180135299A | 2018-12-20 | |||
| JP2012177754A | 2012-09-13 |
Attorney, Agent or Firm:
LEE, Seung Chan (KR)
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