An actuator assembly (23) includes a first part (24), a second part (25), and a bearing arrangement (26) mechanically coupling the first part (24) to the second part (25). The actuator assembly (23) also includes a drive arrangement (11, 20) including a total of four lengths of shape memory alloy wire (141, 142, 143, 144). The drive arrangement (11, 20) and the bearing arrangement (26) are configured such that the second part (25) is movable towards or away from the first part (24) along a primary axis (z), and the second part (25) is movable relative to the first part (24) along a first axis (x) and/or a second axis (y). The first and second axes (x, y) are perpendicular to the primary axis (z) and the second axis (y) is different to the first axis (x).

A camera motor includes a motor housing, a lens bearing apparatus, a cushioning part, and a drive apparatus. The motor housing has an accommodating cavity, and the lens bearing apparatus is accommodated in the accommodating cavity and is spaced apart from an inner wall of the accommodating cavity. The cushioning part is disposed on an outer surface of the lens bearing apparatus. The drive apparatus is accommodated in the accommodating cavity, and the drive apparatus can drive the lens bearing apparatus to move in the accommodating cavity.

An optical system includes a first unit having positive refractive power, a second unit having positive or negative refractive power and configured to move in focusing, and a third unit having negative refractive power in order from an object side to an image side. A distance between adjacent two of the units changes in focusing. When a distance on an optical axis from a lens surface closest to the object side to a lens surface closest to the image side is TL, a distance on the optical axis from a lens surface closest to the object side to a lens surface closest to the image side in the third unit is TL3, a sum of thicknesses, on the optical axis, of lenses in the third unit is SD3, and the largest of the thicknesses of the lenses in the third unit is DM3, the optical system satisfies predetermined conditional inequalities.

An embodiment is a camera module comprising: a lens assembly comprising a liquid lens which comprises a first liquid and a second liquid forming an interface with each other; a temperature sensor for sensing the temperature information of the liquid lens; a controller for adjusting the interface by applying a driving signal to the liquid lens; and a compensation unit for outputting, to the controller, feedback information in which the inclination of the diopter of the liquid lens with respect to the driving signal is proportional to the temperature in a first area and the inclination of the diopter of the liquid lens with respect to the driving signal is inversely proportional to the temperature in a second area which differs from the first area.

A driving mechanism for moving an optical element is provided, including a fixed part, a movable part, movably connected to the fixed part, a positioning structure, and a driving assembly. The optical element is disposed on the movable part, and the positioning structure is formed on the fixed part to restrict the movable part in a specific position relative to the fixed part. The driving assembly is configured to drive the movable part to move relative to the fixed part.

This application relates to the field of imaging technologies, and in particular, to an image stabilization motor, a camera module, and an electronic device. The image stabilization motor includes a lens carrier, a sensing component, a base, a bearing assembly, and a driving component. The lens carrier is configured to fasten a lens, the sensing component is fastened to the lens carrier, the bearing assembly is mounted on the base, the driving component is fastened to the base, and the driving component cooperates with the sensing component, so that the lens carrier can rotate around the bearing assembly. In the image stabilization motor, the camera module, and the electronic device provided in this application, the bearing assembly is disposed, so that the lens carrier needs to overcome only friction force between the lens carrier and the bearing assembly in an entire rotation process.

An optical element driving unit includes a stationary body, a carrier, a supporting mechanism and an electromagnetic driving assembly. The supporting mechanism is connected to the carrier and the stationary body and provides the carrier with a degree of freedom of movement relative to the stationary body. The carrier can be driven to move by the electromagnetic driving assembly. The electromagnetic driving assembly includes a driving coil, a driving magnet and a ferromagnetic element. The driving coil is disposed on the carrier. The driving magnet is disposed on the stationary body. The ferromagnetic element is one-piece formed and embedded in the carrier, and the ferromagnetic element includes a magnetic field guiding part and an electrical connection part. The magnetic field guiding part faces the driving coil and/or the driving magnet. The electrical connection part is exposed on a surface of the carrier and electrically connected to the driving coil.

A multi-aperture imaging device includes an image sensor, an array of optical channels, each optical channel including an optic for imaging a partial field of view of a total field of view onto an image sensor region of the image sensor, and a beam-deflector switchable between a first rotational position and a second rotational position by executing a switching movement, and configured to deflect, in a first rotational position, optical paths of the optical channels into a first viewing direction, and to deflect, in a second rotational position, the optical paths of the optical channels into a second viewing direction. The array is configured to execute, based on the switching movement, an adjustment movement for adjusting an orientation of the array with respect to the beam-deflector.

This camera actuator comprises: an optical path bending member; a lens unit disposed at a subsequent stage of the optical path bending member; a first actuator that is disposed near the optical path bending member and displaces the optical path bending member; and a second actuator and a third actuator that are disposed near the lens unit so as to be apart from each other in a first direction, and that respectively displace the lens unit in a second direction and a third direction that are orthogonal to the first direction and orthogonal to each other. As a result, the present invention provides a camera actuator capable of improving the degree of freedom of design around the optical path bending member.

The invention says a lens module including a frame, a first circuit board arranged on the frame, a lens base for mounting a lens, a support device for supporting the lens base on the first circuit board, and a driving device connected between the first circuit board and the lens base. The frame includes oppositely arranged first side walls and oppositely arranged second side walls connected between the first side walls. The driving device includes shape memory alloy wires each being provided with two ends connected to the frame, and a driving end positioned between the two ends. The driving ends are supported on the lens base. The lens module said by the invention can further achieve miniaturization on the basis of reducing the difficulty in product assembly.