Samsung Electro-mechanics Co., Ltd.

Kyung Hun Lee

Young Bok Yoon

Bo Sung Seo

Nam Ki Park

Young Hwan Kwon

Soon Seok Kang

Jong Ho Lee

Bong Won Jeong

Sang Joon Kim

Jung Seok Lee

Jae Kyung Kim

Sung Ryung Park

Gab Yong Kim

Sung Jae Lee

Hwan Jun Kang

Sang Eun Park

Ho Young Joo

An actuator for optical image stabilization includes a fixed frame having an internal space, a movable frame accommodated in the fixed frame and movable relative to the fixed frame, a first driving unit including a plurality of coils disposed on one of the fixed frame and the movable frame and a plurality of magnets disposed on the other, and a sensor substrate including a moving portion coupled to the movable frame, wherein a wiring pattern is disposed inside one of the fixed frame and the movable frame, and the plurality of coils and the sensor substrate are electrically connected by the wiring pattern.

Actuator for optical image stabilization and camera module including the same

An actuator for optical image stabilization includes a fixed frame having an internal space; a moving frame disposed in the fixed frame and configured to be movable relative to the fixed frame; a first driving unit including a plurality of magnets disposed on the fixed frame, and a plurality of coils disposed on the moving frame and configured to be movable together with the moving frame relative to the fixed frame; and a sensor substrate including a moving part coupled to the moving frame and configured to be movable together with the moving frame relative to the fixed frame; and an extension substrate extending from one side of the sensor substrate and covering a portion of at least one surface of the fixed frame, wherein an image sensor is disposed on the moving part of the sensor substrate, and a control unit is disposed on the extension substrate.

Actuator for optical image stabilization and camera module including actuator for optical image stabilization

A folded module is provided. The folded module includes a housing including a first space and a second space, a reflection module disposed in the first space; and a lens module disposed in the second space. A length of the first space in a first axis direction perpendicular to an optical axis direction is longer than a length of the second space in the first axis direction. The housing also includes a carrier, and a rotation holder is disposed in the carrier. At least a portion of the housing, the carrier and the rotation holder is configured to have a rounded shape corresponding to an arc shape of a circle centered on a second axis perpendicular to an optical axis direction and a first axis direction. The first axis direction and the second axis direction are perpendicular to the optical axis direction and cross each other.

Folded module and portable electronic device including a folded module

An actuator for a camera includes a guide member, a base, and a carrier stacked in a housing in an optical axis direction, a first driving unit generating driving force in a first axial direction and a second axial direction, the first driving unit including a plurality of magnets and a plurality of coils, and a second driving unit generating driving force in the optical axis direction and including a magnet and a coil. The carrier, the base, and the guide member are movable together in the first axial direction, the carrier and the base are movable together in the second axial direction, the carrier is movable relative to the base in the optical axis direction, the magnets and the coils of the first driving unit and the magnet and the coil of the second driving unit are disposed to face each other in the optical axis direction.

Actuator for camera, and camera module including the same

An actuator for a camera includes a housing having an internal space; a first carrier accommodated in the housing; a second carrier accommodated in the first carrier; and an image sensor fixed relative to the second carrier, wherein the first carrier and the second carrier are configured to move together in a direction parallel to an imaging plane of the image sensor, and wherein the second carrier is configured to move relative to the first carrier in a direction perpendicular to the imaging plane of the image sensor.

Actuator for camera

A camera module includes a lens unit including one or more lenses disposed in an optical axis direction; an image sensor on which light passing through the lens unit is incident; a first module including a first driving unit configured to move the lens unit in the optical axis direction; and a second module including a second driving unit configured to move the image sensor in a direction perpendicular to the optical axis direction, wherein the first module further includes a lens holder supporting the lens unit and at least partially overlapping the second module in a first direction perpendicular to the optical axis direction; and a housing in which the lens holder is disposed.

Camera module

A folded module includes a housing, a carrier disposed in the housing and rotatable with respect to the housing about a first axis perpendicular to an optical axis, a rotation holder disposed on the carrier and rotatable with respect to the carrier about a second axis both perpendicular to the optical axis and the first axis, a reflective member disposed on the rotation holder to change a path of incident light, and a first auxiliary member coupled to the carrier to surround a portion of the rotation holder. The first auxiliary member includes a damping member protruding in a direction parallel to the first axis.

An optical image stabilization actuator is provided. The optical image stabilization actuator includes a sensor substrate on which an image sensor having an imaging plane is disposed; a fixed frame configured to accommodate the sensor substrate; a movable frame accommodated in the fixed frame and configured to move in a direction parallel to the imaging plane; a first ball member disposed between the fixed frame and the movable frame and configured to support movement of the movable frame; and a first driver disposed on the movable frame and the fixed frame and configured to provide driving force to the movable frame, wherein the sensor substrate includes a movable portion coupled to the movable frame, a fixed portion coupled to the fixed frame, and a plurality of bridges configured to movably support the movable portion.

Optical image stabilization actuator and camera module including the same

A folded module includes a housing, a carrier provided in the housing, and a rotation holder provided on the carrier and including a reflective member. The carrier is rotatable, with respect to the housing, around a first axis formed by one rotating shaft ball, the rotation holder is rotatable with respect to the carrier around a second axis formed by two ball members, and the first axis and the second axis intersect each other, and the one rotating shaft ball and the two ball members are provided together on a plane on which both the first axis and the second axis are provided.

A camera module includes: an optical path folding member configured to refract or reflect light incident along a first optical axis in a direction of a second optical axis intersecting the first optical axis; a driving assembly configured to provide driving force to rotate the optical path folding member on a plane intersecting the first optical axis; and a first ball bearing and a second ball bearing supporting the optical path folding member such that the optical path folding member is enabled to rotate on the plane. A distance from the first ball bearing to the first optical axis is less than a distance from the second ball bearing to the first optical axis.

An aperture module includes a rotation plate disposed on a base, a moving portion that moves linearly to rotate the rotation plate, and blades linked to the rotation plate to form an aperture having a variable size. The blades include at least two small-aperture blades that are contracted inwardly toward an optical axis to form the aperture having a first size and at least two medium-aperture blades that are contracted inwardly toward the optical axis to form the aperture having a second size larger than the first size. The at least two small-aperture blades and the at least two medium-aperture blades are extended outwardly away from the optical axis to form the aperture having a third size larger than the second size.

Aperture module and camera module including the same

A camera module includes a housing having a lens module, an aperture module provided above the lens module and including blades that form incident holes having different sizes in multiple stages or successively, a moving part configured to linearly reciprocate to drive the blades, including a driving magnet facing a driving coil, a position sensor configured to sense a position of the moving part according to interaction with the driving magnet, and a controller configured to receive a signal from the position sensor and confirm or correct the position of the moving part.

A camera module includes a housing, a lens module including a yoke and disposed in the housing, an iris module including a plurality of blades and configured to form N apertures having different sizes using the plurality of blades, N being an integer greater than or equal to 2, the iris module being disposed in the housing above the lens module, and an iris driver including a driving coil, and a magnet unit configured to be movable reciprocally in a linear direction and including a driving magnet opposing the driving coil and the yoke, wherein the yoke is configured to enable the magnet unit to be fixed at N positions along a movement path of the magnet unit.

Iris module and camera module including the same

An iris module and a camera module including the iris module. The iris module includes a base including a yoke, blades disposed on an object side of the base, and a driving magnet movable in a direction perpendicular to an optical axis direction, and disposed to oppose the yoke. The yoke includes holding portions on both ends of the yoke, and the holding portions protrude in a direction of the driving magnet.

Growing community of inventors

Suwon-si, South Korea

Kyung Hun Lee