Lens driving apparatus, and camera module and optical device including same
A lens moving apparatus includes a housing having a recess; a bobbin disposed in the housing; a first coil unit disposed at the bobbin; a magnet disposed at the housing and facing the first coil unit; an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing; a circuit board disposed under the housing; a second coil unit disposed on the circuit board and facing the magnet; and a support member electrically connecting the upper elastic member and the circuit board. A portion of the support member is disposed in the recess of the housing. The housing includes a protrusion extending upwards from an upper surface thereof, and the protrusion is positioned farther from a center of the housing than the recess of the housing when viewed from a top.
1 . A camera module comprising:
an image sensor;
a lens disposed to face the image sensor in an optical direction; and
a lens moving apparatus,
wherein the lens moving apparatus comprises:
a housing;
a bobbin disposed in the housing and coupled to the lens;
an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing;
a support member coupled to the upper elastic member; and
a damper disposed on a portion of the support member,
wherein the housing comprises:
a recess configured to accommodate the portion of the support member;
a stopper extending upwards from an upper surface thereof, and
a protrusion extending upwards from the upper surface thereof and positioned farther from a center of the housing than the stopper when viewed from a top, and
wherein the protrusion is positioned farther from the center of the housing than the damper when viewed from the top.
2 . The camera module according to claim 1 , wherein an upper surface of the protrusion is positioned to be lower than an upper surface of the stopper.
3 . The camera module according to claim 1 , wherein an upper surface of the protrusion is positioned to be higher than the upper elastic member.
4 . The camera module according to claim 1 , wherein the damper is disposed between the protrusion and the stopper.
5 . The camera module according to claim 1 , wherein the upper elastic member comprises:
an outer frame coupled to the upper portion of the housing:
an inner frame coupled to the upper portion of the bobbin;
a first connecting portion connecting the outer frame and the inner frame;
a coupling portion coupled to one end of the support member; and
a second connecting portion connecting the outer frame and the coupling portion.
6 . The camera module according to claim 5 , wherein at least a portion of the second connecting portion is disposed between the stopper and the protrusion.
7 . The camera module according to claim 1 , wherein the protrusion, the stopper, and the recess are disposed on a corner portion of the housing.
8 . The camera module according to claim 1 , wherein a portion of the damper is disposed in the recess of the housing.
9 . The camera module according to claim 1 , wherein the support member is a wire.
10 . The camera module according to claim 1 , wherein the recess is depressed inwards from a portion of a side surface of the housing-inwards.
11 . The camera module according to claim 5 , wherein the damper is disposed on the coupling portion.
12 . The camera module according to claim 1 , wherein the second connecting portion comprises a bent portion and the protrusion is positioned farther from the center of the housing than the second connecting portion.
13 . The camera module according to claim 5 , wherein the protrusion overlaps the second connecting portion in a direction perpendicular to an optical axis direction.
14 . The camera module according to claim 1 , further comprising:
a magnet disposed on the housing;
a first coil unit disposed on the bobbin and configured to move the bobbin in thean optical axis direction by an interaction with the magnet; and
a second coil unit configured to move the housing in a direction perpendicular to the optical axis direction by an interaction with the magnet.
15 . The camera module according to claim 14 , further comprising a cover member configured to accommodate the housing and the bobbin in an internal space thereof,
wherein the cover member comprises a top plate and a side plate connecting the top plate.
16 . The camera module according to claim 14 , further comprising:
a circuit board disposed under the second coil unit;
a base disposed under the circuit board; and
two sensor units disposed between the base and the circuit board and electrically connected to the circuit board.
17 . The camera module according to claim 14 , further comprising:
a sensing magnet disposed on the bobbin; and
a position sensor unit disposed on the housing and configured to detect a magnetic force of the sensing magnet.
18 . A camera module comprising:
a circuit board;
an image sensor disposed on the circuit board;
a lens disposed to face the image sensor in an optical direction; and
a lens moving apparatus,
wherein the lens moving apparatus comprises:
a housing;
a bobbin disposed in the housing and coupled to the lens;
an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing;
a support member coupled to the upper elastic member; and
a damper disposed on a portion of the support member,
wherein the upper elastic member comprises:
an outer frame coupled to the upper portion of the housing:
an inner frame coupled to the upper portion of the bobbin;
a first connecting portion connecting the outer frame and the inner frame;
a coupling portion coupled to one end of the support member; and
a second connecting portion connecting the outer frame and the coupling portion, and
wherein the housing comprises:
a stopper extending upwards from an upper surface thereof, and
a protrusion extending upwards from the upper surface thereof and positioned farther from a center of the housing than the stopper and the second connecting portion when viewed from a top.
19 . A camera module comprising:
an image sensor;
a lens disposed to face the image sensor in an optical direction; and
a lens moving apparatus,
wherein the lens moving apparatus comprises:
a housing;
a bobbin disposed in the housing and coupled to the lens;
an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing;
a support member coupled to the upper elastic member; and
a damper disposed on a portion of the support member,
wherein the housing comprises:
a recess configured to accommodate the portion of the support member;
a stopper extending upwards from an upper surface thereof; and
a protrusion extending upwards from the upper surface thereof and positioned farther from a center of the housing than the stopper when viewed from a top, and
wherein the damper is disposed between the protrusion and the stopper.