LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME

Title:

LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2018/216945

Kind Code:

A1

Abstract:

An embodiment comprises: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a magnet disposed in a side portion of the housing, and including a first side surface facing the coil and a second side surface opposite to the first side surface; and a yoke disposed in the upper portion of the housing and overlapping the magnet in the optical axis direction, wherein: the centerline of the magnet is located on one side with reference to a reference line; a first groove adjoining one end of the first side surface of the magnet is disposed at a first end of the magnet; a second groove adjoining the other end of the first side surface of the magnet is disposed at a second end of the magnet; the reference line passes through the center of the housing and is perpendicular to the outer surface of the side portion of the housing where the magnet is disposed; and the centerline of the magnet is a straight line passing through the center between the first end and the second end of the magnet and perpendicular to the first side surface of the magnet.

Inventors:

LEE SUNG GUK (KR)

Application Number:

PCT/KR2018/005588

Publication Date:

November 29, 2018

Filing Date:

May 16, 2018

Export Citation:

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Assignee:

LG INNOTEK CO LTD (KR)

International Classes:

G02B27/64; G02B7/02; G03B5/00; G03B13/36; G03B17/02

Foreign References:

KR20160059143A	2016-05-26
KR20160045384A	2016-04-27
KR20150104703A	2015-09-16
KR101567107B1	2015-11-06
KR100919116B1	2009-09-25

Other References: