Abstract: A camera module includes: a housing; a first frame rotatably mounted in the housing; a second frame rotatably mounted on the first frame; a reflective member mounted on the second frame; a first driver including a first magnet installed on either one of the housing and the first frame, and a first coil opposing the first magnet; and a second driver including a second magnet installed on either one of the housing and the second frame, and a second coil opposing the second magnet. The first frame is configured to rotate in a first axial direction perpendicular to an incident direction of light incident to the reflective member. The second frame is configured to rotate in a second axial direction parallel to an incident direction of light incident to the reflective member.

Abstract: A reflective module assembly is provided. The reflective module assembly includes a fixed body, a moving body configured to rotate with respect to the fixed body, a reflective member disposed in the moving body, the reflective member configured to change a direction of a path of light incident in a first optical axis direction to a second optical axis direction, three ball members spaced apart from a rotational axis of the moving body, the three ball members configured to rotatably support the moving body, and a groove arrangement disposed on at least one of the moving body and the fixed body, and configured to contact with the three ball members. The three ball members and the groove arrangement form six contact points.

Abstract: A camera module includes: a first lens module having a first optical axis; a second lens module having a second optical axis; a first optical path converting member configured to convert a path of incident light to a first optical path connected to the first optical axis and a second optical path connected to the second optical axis; and a first driving device configured to drive the first optical path converting member such that one optical path among the first optical path and the second optical path is selected.

Abstract: An optical path change module includes: a first rotation holder; a reflection member disposed on the first rotation holder, and configured to change a path of light; a second rotation holder configured to support the first rotation holder; and a module case accommodating the second rotation holder. The first rotation holder is coupled to the second rotation holder, and configured to rotate around a first pivot axis. The second rotation holder is coupled to the module case, and configured to rotate around a second pivot axis intersecting the first pivot axis.

Abstract: A camera module includes a lens barrel configured to receive a lens, a substrate on which an image sensor is disposed, a housing configured to receive the lens barrel and to contact the substrate, a heat transfer member configured to contact the housing, and a heat dissipation member configured to contact the heat transfer member and dissipate heat from the heat transfer member in different lateral directions about the lens.

Abstract: A camera module includes: a housing; a first frame rotatably mounted in the housing; a second frame rotatably mounted on the first frame; a reflective member mounted on the second frame; a first driver including a first magnet installed on either one of the housing and the first frame, and a first coil opposing the first magnet; and a second driver including a second magnet installed on either one of the housing and the second frame, and a second coil opposing the second magnet. The first frame is configured to rotate in a first axial direction perpendicular to an incident direction of light incident to the reflective member. The second frame is configured to rotate in a second axial direction parallel to an incident direction of light incident to the reflective member.

Abstract: A camera module includes a lens module, a first movable member, a second movable member, a fixed member, a first driving unit, and a second driving unit. The first movable member is coupled to the lens module and configured to rotate about a first axis virtually intersecting an optical axis of the lens module. The second movable member, supporting the first movable member, is configured to rotate about a second axis virtually intersecting the optical axis. The fixed member is configured to support the second movable member. The first driving unit, configured to provide a first driving force required to rotate the first movable member, includes a first driving magnet disposed on the first movable member. The second driving unit, configured to provide a second driving force required to rotate the second movable member, includes a second driving magnet disposed on the second movable member.

Abstract: An optical path changing module includes: a first rotational holder on which a reflective member configured to change a path of light is mounted; a second rotational holder supporting the first rotational holder; and a first elastic support portion disposed between the first rotational holder and the second rotational holder. The first elastic support portion includes: a first shaft disposed along a first rotational axis that is a rotational axis of the first rotational holder, and fastened to either one of the first rotational holder and the second rotational holder; a first bracket fastened to the other one of the first rotational holder and the second rotational holder and accommodating the first shaft therein; and first elastic members connecting the first shaft to the first bracket.

Abstract: A camera module includes a lens barrel configured to receive a lens, a substrate on which an image sensor is disposed, a housing configured to receive the lens barrel and to contact the substrate, a heat transfer member configured to contact the housing, and a heat dissipation member configured to contact the heat transfer member and dissipate heat from the heat transfer member in different lateral directions about the lens.

Abstract: An optical path change module includes: a first rotation holder; a reflection member disposed on the first rotation holder, and configured to change a path of light; a second rotation holder configured to support the first rotation holder; and a module case accommodating the second rotation holder. The first rotation holder is coupled to the second rotation holder, and configured to rotate around a first pivot axis. The second rotation holder is coupled to the module case, and configured to rotate around a second pivot axis intersecting the first pivot axis.

Abstract: A camera module includes: a first lens module having a first optical axis; a second lens module having a second optical axis; a first optical path converting member configured to convert a path of incident light to a first optical path connected to the first optical axis and a second optical path connected to the second optical axis; and a first driving device configured to drive the first optical path converting member such that one optical path among the first optical path and the second optical path is selected.

Abstract: The vibration generating apparatus includes: a diaphragm formed of a metal; a piezoelectric plate mounted on at least one surface of the diaphragm; a fixed member coupled to the diaphragm along an outer circumference of the diaphragm to fix the diaphragm; and wherein the fixed member is formed of a material having a Young's modulus lower than that of steel.

Abstract: A base may include: a base frame formed by plastic working of a steel sheet; a motor installation portion formed by depressing one portion of the base frame so that the depressed outer portion protrudes from a bottom surface of the base frame; and an additional reinforcement member provided on an outer side of a side wall surface of the motor installation portion protruding from the bottom surface of the base frame.

Abstract: There is provided a spindle motor including: a base member including a sleeve insertion part protruding in an axial direction; a core coupling portion coupled to an outer surface of the sleeve insertion part; and a stator core mounted on the core coupling portion, wherein one end of the core coupling portion is provided with a flange portion extended along a bottom surface of the base member and supporting the stator core.

Abstract: There is provided a vibration actuator including: a housing providing an internal space and including holes formed to allow the internal space to be in communication with the outside; a diaphragm disposed to separate the internal space into first and second chambers; a mass body coupled to the diaphragm; and a piezoelectric element coupled to one inner surface of the housing and disposed under the mass body.

Abstract: There is provided a spindle motor including: a shaft including a body portion having a fixing recess formed on a lower portion thereof, a flange portion extending in an outer radial direction from an upper portion of the body portion, and a first insertion portion extending downwardly from the flange portion in an axial direction; a lower thrust member including a fixed portion inserted into the fixing recess, a disk portion extending from the fixed portion in an outer radial direction, and first and second protrusion portions extending from the disk portion in the axial direction; a base member coupled to the second protrusion portion; and a rotating member forming a bearing clearance with the shaft and provided to be rotatable with respect to the shaft.

Abstract: There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a rotor coupled to an upper end of the shaft and rotating in conjunction with the shaft; a stopper portion coupled to a main wall portion protruded from one surface of the rotor and facing an outer circumferential surface of the sleeve; a stator holder having a fixed portion coupled to an outer circumferential surface of the sleeve, an installation portion to which a core having a coil wound therearound is fixed, and a connection portion connecting an upper end of the fixed portion and an upper end of the installation portion; and a base member fixedly coupled to the stator holder.

Abstract: There is provided a spindle motor including: a shaft including a body portion and an extending portion extending from an upper portion of the body portion in an outer radial direction; a sleeve rotatably supporting the shaft; a rotor rotating in conjunction with the shaft and having a stopper portion facing an outer circumferential surface of the sleeve; and a cover plate coupled to the sleeve, while maintaining a gap with lower portions of the shaft and the sleeve, wherein the cover plate includes an airtight portion disposed below the shaft and the sleeve, an inner wall portion extending from the airtight portion in an axial direction and coupled to an outer circumferential surface of the sleeve, an outer wall portion coupled to a base member, and an upper wall portion connecting an upper end of the inner wall portion and an upper end of the outer wall portion.

Abstract: There is provided a spindle motor, including: a rotating member including a shaft having a fixing groove disposed in a lower portion thereof, a hub base extending from an upper end of the shaft in an outer radial direction, and a magnet support part extending from an outer edge of the hub base downwardly in an axial direction; a sleeve rotatably supporting the rotating member; and a stopper including a fixed part inserted into the fixing groove and a flange part extending from an end of the fixed part in the outer radial direction, wherein the flange part includes a groove part formed by being recessed inwardly and an extension part extending from the groove part in the outer radial direction.

Abstract: There is provided a motor including: an upper housing; a lower housing coupled to the upper housing to provide an internal space; a shaft disposed within the internal space and coupled to a hydrodynamic bearing assembly; a rotor core coupled to the shaft and rotated together with the shaft; and a balancing unit coupled to the shaft to correct a rotational imbalance at the time of rotation of the shaft and the rotor core.