LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

Title:

LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2020/111577

Kind Code:

A1

Abstract:

An embodiment comprises: a housing including a first to a fourth corner portion; magnets arranged on the first to the fourth corner portion, respectively; a bobbin disposed in the housing; a first coil including a coil, which is disposed on the bobbin and faces the magnets; a position sensor disposed between the first corner portion and the second corner portion of the housing; and a sensing magnet, which is disposed at the bobbin and faces the position sensor, wherein each of the magnets comprises a first magnet part including a first N pole and a first S pole; a second magnet part including a second N pole and a second S pole and disposed under the first magnet part; and a partition wall separating the first magnet part and the second magnet part.

Inventors:

PARK SANG OK (KR)

Application Number:

PCT/KR2019/015316

Publication Date:

June 04, 2020

Filing Date:

November 12, 2019

Export Citation:

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Assignee:

LG INNOTEK CO LTD (KR)

International Classes:

H04N5/232; G02B7/04; H04N5/225

Domestic Patent References:

WO2010134706A9

2011-05-12

Foreign References:

KR20180110996A	2018-10-11
KR20170024671A	2017-03-08
KR20180094247A	2018-08-23
KR20170033663A	2017-03-27

Other References: