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.

Abstract: A camera module may comprise: a printed circuit board on which an image sensor is mounted; a holder member disposed above the printed circuit board and having a plurality of magnets installed thereon; a bobbin installed on the inside of the holder member to be capable of moving along an optical axis, and having a coil unit installed on the outer peripheral surface thereof to be capable of electrically interacting with the magnets; a plurality of receptacles formed in the peripheral surface of the bobbin to form spaces that are separated from the coil unit; and a cover member having a plurality of integrally formed inner yokes, which are formed at positions corresponding to the plurality of receptacles and have the surface on one side thereof separated a certain distance from the coil unit and the surface on the other side thereof separated a certain distance from the bobbin.

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.

Abstract: Disclosed, in one embodiment of the present invention, is a camera actuator comprising: a housing; a mover disposed in the housing and comprising an optical member and a holder having the optical member disposed therein; a tilting guide unit for guiding the tilting of the mover, and a drive unit disposed in the housing so as to drive the mover, wherein the holder comprises a receiving groove in which the optical member is disposed, and a groove is formed in the bottom surface of the receiving groove.

Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a first lens assembly and a second lens assembly moving in the optical axis direction in the housing; and a driving unit for moving the first lens assembly and the second lens assembly, wherein the first lens assembly includes a first outer side surface, and the second lens assembly includes a second outer side surface which faces the first outer side surface and at least partially overlaps the first outer side surface in the optical axis direction and a bonding member that is in contact with at least one of the first outer side surface and the second outer side surface.

Abstract: Disclosed according to an embodiment of the present invention is a camera actuator comprising: a housing; a mover which is disposed in the housing; a tilting guide unit which is disposed between the housing and the mover; a driving unit which is disposed in the housing to drive the mover; an elastic member by which the tilting guide unit and the mover come into close contact with each other; and a damper member which is disposed between the elastic member and at least one of the mover and the housing.

Abstract: Embodiments provide a lens driving unit including a base, a housing supported so as to be movable relative to the base, a magnet located on the housing, a pattern coil part including a pattern coil that is located opposite the magnet, the pattern coil part being located on the base, and a sensor part mounted to the pattern coil part for sensing a position or movement of the housing, and the pattern coil part includes a first layer and a second layer stacked on the first layer, the sensor part being mounted underneath the first layer, and the pattern coil being formed on the second layer. Thereby, manufacturing costs may be reduced owing to a reduction in the number of elements, processes, and process management points.

Abstract: Disclosed in an embodiment of the present invention is a camera actuator including a housing, a mover disposed in the housing and including an optical member, a tilting guide unit disposed between the housing and the mover, a driving unit which is disposed in the housing and drives the mover, and an elastic member disposed between the tilting guide unit and the housing, wherein the driving unit includes a first magnet disposed on a first side surface of the mover and a dummy member disposed on a second side surface of the mover facing the first side surface.

Abstract: An embodiment of the present invention provides a camera actuator comprising: a housing; a first member combined with the housing; a mover including an optical member; a first magnetic body disposed in the first member; a second magnetic body disposed in the mover; and a tilting-guiding part for guiding titling of the mover, wherein the mover comprises a holder combined with the optical member and a second member combined with the holder, and the tilting-guiding part is closely adhered to the first member and the holder by repulsion between the first magnetic body and the second magnetic body.

Abstract: An embodiment of the present invention provides a camera actuator comprising: a mover including an optical member for changing a path of incident light; a driving unit for moving the mover in a second direction or a first direction perpendicular to an optical axis direction; an output unit for outputting a control signal for moving the mover; a first position sensor for sensing position information in the second direction of the mover; an image sensor for receiving light having passed through the optical member to generate image information; and a calculation unit for calculating a rotational correction amount of the image information with reference to the optical axis direction with respect to the image information by using the position information in the second direction of the mover.

Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover disposed in the housing and including protrusions on one surface which protrude toward the housing; and a driving unit disposed in the housing and rotating the mover on the basis of a first direction or a second direction perpendicular to the first direction, wherein the protrusions comprise: a first protrusion disposed on the one surface; a second protrusion spaced apart from the first protrusion; and a third protrusion separated from the first protrusion by a distance greater than from the second protrusion, and wherein the housing comprises: a groove in which the first protrusion is seated on an inner surface corresponding to the one surface; a first hole through which the second protrusion passes; and a second hole through which the third protrusion passes, wherein a side surface of the second protrusion is spaced apart from the first hole, and the housing includes a protruding part disposed on a side of the

Abstract: Embodiments provide a lens driving unit including a base, a housing supported so as to be movable relative to the base, a magnet located on the housing, a pattern coil part including a pattern coil that is located opposite the magnet, the pattern coil part being located on the base, and a sensor part mounted to the pattern coil part for sensing a position or movement of the housing, and the pattern coil part includes a first layer and a second layer stacked on the first layer, the sensor part being mounted underneath the first layer, and the pattern coil being formed on the second layer. Thereby, manufacturing costs may be reduced owing to a reduction in the number of elements, processes, and process management points.

Abstract: A lens moving apparatus including a base comprising a first post, a second post, a third post and a fourth post; a bobbin disposed inside the first to fourth posts; a coil disposed on the bobbin; a magnet comprising a first magnet unit disposed between the first post and the second post and a second magnet unit disposed between the third post and the fourth post; and a lower elastic member coupled to a lower portion of the bobbin and to the base, wherein the lower elastic member comprises a first portion coupled to a first region of the base positioned between the first post and the fourth post, and wherein the first portion of the lower elastic member does not overlap the magnet in a direction parallel to an optical axis.

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 perp

Abstract: A lens drive device having a housing, a bobbin disposed within the housing, a coil disposed in the bobbin, a magnet disposed in the housing and facing the coil, a base disposed below the housing, and an elastic member coupled to the bobbin and the housing is provided. The base includes a groove formed in the upper surface thereof. At least a part of the elastic member is disposed in the groove of the base or above the groove. The groove of the base is disposed with a damping material.

Abstract: A lens moving apparatus includes a housing; a bobbin arranged inside the housing; a first coil arranged on the bobbin; first magnets arranged on first to fourth corner portions of the housing, respectively; a first circuit board which is arranged on a first side portion of the housing, and which comprises a first terminal, a second terminal, a third terminal, and a fourth terminal; a first position sensor arranged on the first circuit board and electrically connected to the first to fourth terminals; a first upper elastic unit arranged on the first corner portion of the housing; a second upper elastic unit arranged on the second corner portion of the housing; a third upper elastic unit arranged on the third corner portion of the housing; and a fourth upper elastic unit arranged on the fourth corner portion of the housing.

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 perp

Abstract: An embodiment comprises: a base including a body having an opening, and a first post portion, a second post portion, a third post portion, and a fourth post portion which protrude from the body; a bobbin disposed on the body; a coil disposed around the bobbin; a first magnet disposed between the first post portion and the second post portion; a second magnet disposed between the third post portion and the fourth post portion; a lower elastic member coupled to the lower portion of the bobbin and the base; and an upper elastic member coupled to the upper portion of the bobbin and the first to fourth post portions, wherein the lower elastic member is disposed inside the first to fourth post portions of the base, and the lower elastic member is coupled to the base between the first post portion and the fourth post portion adjacent to the first post portion.

Abstract: A lens moving apparatus includes a housing for supporting a first magnet, a bobbin, which includes a first coil provided on an outer surface thereof and which moves in a first direction, a support member, which is disposed over one side surface of the housing, and which supports the bobbin and the housing such that the bobbin and the housing are movable in second and/or third directions, which are perpendicular to the first direction, a second coil, which is disposed over the housing, and which is spaced apart from the support member by a predetermined distance and which generates an electromagnetic force to move the support member in the second and/or third directions, and a printed circuit board disposed over the second coil.

Abstract: A lens moving apparatus includes a base comprising a body and a post extending upward from an upper surface of the body; a bobbin disposed on the body; a magnet disposed on the bobbin; and a coil disposed to correspond to the magnet and configured to move the bobbin in a direction parallel to an optical axis by an interaction with the magnet; and a rolling member disposed between the bobbin and the post of the base. The post includes a groove having an opening spaced from opposite ends of the groove, and the rolling member is disposed in the groove of the post, and the opening is configured to expose a portion of the rolling member. The bobbin includes a support extending into the opening so as to be in contact with the rolling member.