Abstract: The present invention provides a lens driving device with a shaking correction function, which does not need magnets for position detection and also cannot reduce driving force during swinging. The lens driving device is configured as follows: a square frame shaped magnet support, each magnet is a cylinder in an isosceles trapezoid shape and is mounted in a corresponding corner in a manner that its long base faces the center of the magnet support, one or two X-direction magnetic force detection mechanisms have detection sensitivity for X-axis direction components of magnetic induction intensity and are mounted on the outer side of the corresponding magnets in a Y-axis direction, and one or two Y-direction magnetic force detection mechanisms have detection sensitivity for Y-axis direction components of magnetic induction intensity and are mounted on the outer side of the corresponding magnets in an X-axis direction.

Abstract: The present invention aims to provide a lens driving device capable of realizing the reduction of power consumption by improving the driving efficiency of an electromagnetic drive mechanism. The lens driving device includes: one or mores drive coils having one or more forward path sides and one or more return path sides, and drive magnets each having a forward path side magnet plate and a return path side magnet plate. The magnetization directions of the forward path side magnet plate and the return path side magnet plate of each drive magnets define an angle which is expanded towards the oppositely arranged one or more drive coils. The magnetic induction intensity applied to the drive coils from the drive magnets can be increased and improved, and thus powerful lorentz force can be effectively generated by the drive coils after being electrified.

Abstract: A lens driving device capable of efficiently inhibiting garbage from falling to the side of a photosensitive sensor includes a lens support for retaining a lens, a fixed member, one or two spring members for connecting the lens support and the fixed member, and an electromagnetic driving assembly. The fixed member includes a substrate defining a circular through hole, a cylindrical dividing wall extending from an edge defining the circular through hole, several protruding parts protruding from the substrate outside the dividing wall, and concave parts formed between the protruding parts and the dividing wall. The lens support is provided with an end face capable of contacting a second front end face of the protruding parts and opposite to the concave parts, and a ring-shaped end surface arranged opposite to an end face of the dividing wall.

Abstract: A lens driver which has a high driving effectiveness and a compact form, and which does not require a precise assembling and a assembling time.

Abstract: A lens driving device includes a lens carrier for maintaining a lens, a base for supporting the lens carrier, an first electromagnetic drive mechanism and an second electromagnetic drive mechanism which are mounted between the lens carrier and the base, and a front side spring component and a back side spring component which are connected with each other through connecting components. One of the front and back side spring components is connected with the lens carrier, the other of which is connected with the base. The lens driving device is difficult to damage when suffering from external force and is capable of playing the auto focus and shaking functions correction stably.

Abstract: The present invention aims to provide an electromagnetic driving device capable of efficiently driving swinging coils and being more miniaturized. A driving coil wound around the Z axis taken as a direction of the optical axis of a lens is mounted on a lens support. Magnets are mounted in an inner side box body for supporting the lens support to be capable of moving in the direction of Z axis. The swinging coils are mounted in an outer side box body for supporting the inner side box body to be capable of swinging in the direction orthogonal to the Z axis. The swinging coils includes a first to a fourth coils wound around axes orthogonal to the Z axis. The magnets include a plurality of magnet pieces configured opposite to the swinging coils.

Abstract: A lens driver with camera shake reducing function, in which the spring member is easily mountable, and the spring member does not undergo a plastic deformation.

Abstract: A lens driver with camera shake reducing function in which the suspension wire will not easily undergo a plastic bending and the camera shake reducing function will not be degraded and the photographed image will not be deformed when mounting the lens or impacting the lens.

Abstract: The present invention provides a lens driving device which can limit rotations caused by torque generated when a lens is inserted or disassembled. The state that the lens driving device is damaged can be distinguished, and the finished product rate and reliability of a camera assembly are improved more easily. The lens driving device includes a lens support, a coil disposed on the lens support, a fixing assembly and springs for supporting the lens support to move along the optical axis, and a magnet yoke. Extruding clamping parts closer to the upper side than a mounting surface for the springs to mount are arranged on the lens support, the magnet yoke is provided with bending parts extending from the edge part of the opening part downwardly, and the bending parts of the magnet yoke are located closer to the upper side than the mounting surface.

Abstract: The present invention provides a lens driving device with image stabilizer function with high driving efficiency of second coils for swinging the lens, and the swing part is light. A lens support accommodating the first coil wound around the Z axis, and a base are respectively connected with first spring components extending along the direction perpendicular to the Z direction. The second coils are wound around the X direction and the Y direction and configured on the outer side of the first coil. A lens carrier and a carrier bracket provided with the second coils are connected with the second spring component extending along the Z direction. The second spring component is supported by the lens carrier and can swing in the X direction and the Y direction.

Abstract: The present invention aims to provide an actuator unit. When the actuator unit is assembled in a lens driving device and works, a lens support beginning to move cannot be inclined. A spring component (14) is provided with an inner side retaining part (14a), an outer side retaining part (14b), a plurality of wrist parts (14c), a plurality of inner side connecting parts (14e), a plurality of outer side connecting parts (14f) and spoke parts (14g) for connecting the inner side retaining part (14a) with the outer side retaining part (14b) in a releasable manner, wherein the lens support (17) is supported by the spring components (14), and an electromagnetic driving mechanism (22) is utilized for enabling the lens support (17) to move.

Abstract: The present invention aims to provide a lens driving device which can prevent a lens support from being suspended in an inclined state and can correspond to energizing amount and carry out appropriate linear movement action. A front side primary coil and a rear side primary coil are respectively wound around an axis parallel to an optical axis in a manner of being coaxial to a secondary coil and are combined with each other through electromagnetic induction. The secondary coil is such disposed that its two coil terminals are connected with two ends of a diode respectively. The secondary coil and a permanent magnet assembly are arranged opposite to each other at an interval along the radial direction and a driving current is supplied to the primary coils.

Abstract: The present invention provides a lens driving device having a component for limiting a movement amount generated during impacting, wherein an impact force is alleviated by utilizing the component for limiting the movement amount, so that a driving coil can be prevented from falling off, and the damage to the leaf springs can be alleviated. The leaf springs formed into a cantilever beam structure as the damper for alleviating the impact in the vertical direction and the planar direction are arranged between the lower fixing body and the upper fixing body, and the impact force can be alleviated by utilizing first projection parts and second projection parts projected out from the lens support, and the existing structure does not need to be greatly changed.

Abstract: The present invention provides a lens driving device which does not cause a large size or has no need to add components. Damage of components for limiting the amount of movement in all directions caused by impact can be alleviated, and durability is easily improved. Clamping parts protruding from a lens support for alleviating the impact in the vertical, plane, and rotation directions are arranged between a lower side fixing body and an upper side fixing body, and the clamping parts of the lens support abut with clamping parts arranged on a lower side fixed member and/or clamping parts arranged on an upper fixed member mutually so as to limit the maximum amount of movement in the vertical direction, the plane direction and the rotation direction, thus great change is not required for an existing structure, and the durability for impact can also be improved.

Abstract: The present invention provides a lens driving device includes at least two spring components each of which includes an inner side retaining part, an outer side retaining part, a plurality of wrist parts configured between the inner and outer side retaining parts and prolonged along the circumference direction, inner side connecting parts for connecting one ends of the wrist parts with the inner side connecting part, and outer side connecting parts for connecting the other ends of the wrist parts with the outer side retaining part. Moreover, serpentine necking parts are formed at the roots of the connecting part of the inner side retaining part, straight line-shaped necking parts are formed at the roots of the connecting part of the outer side retaining part, so that stresses acting on the inner side connecting parts and the outer side connecting parts during assembling are absorbed.

Abstract: The present invention aims to provide a lens driving device. Inclination generated by a lens support can be reduced when a camera shoots towards any direction, so that distortion cannot be generated for a shot image. Each of a front side spring component and a back side spring components includes an inner side retaining part, an outer side retaining part, two wrist parts, two inner side connecting parts and two outer side connecting parts. The two wrist parts extend along the circumferential direction and are used for connecting the inner and outer side retaining parts. The inner side connecting parts connect one ends of the wrist parts with the inner side retaining part. And the outer side connecting parts connect the other ends of the corresponding wrist parts with the outer side retaining part. The extending angle of each wrist part is at least 180 degrees.

Abstract: The present invention provides a lens driving device with image stabilizer function with high driving efficiency of second coils for swinging the lens, and the swing part is light. A lens support accommodating the first coil wound around the Z axis, and a base are respectively connected with first spring components extending along the direction perpendicular to the Z direction. The second coils are wound around the X direction and the Y direction and configured on the outer side of the first coil. A lens carrier and a carrier bracket provided with the second coils are connected with the second spring component extending along the Z direction. The second spring component is supported by the lens carrier and can swing in the X direction and the Y direction.