Abstract: A lens driving module includes a reflecting element, a base, a frame, a holder, an optical lens, a first electromagnetic driving assembly, and a second electromagnetic driving assembly. The frame is connected to the base, and the holder holds the optical lens and movably connects to the base. The reflecting element reflects light from the outside along a light incident direction to an optical lens along a first direction, wherein the light incident direction is perpendicular to the first direction. The first and second electromagnetic driving assemblies force the holder to move relative to the base, wherein the first electromagnetic driving assembly has a first drive coil, the second electromagnetic driving assembly has a second drive coil, the first and second drive coils have elongated structures extending in a second direction and the first direction respectively, and the first direction is perpendicular to the second direction.

Abstract: An image capturing unit is provided, including a base, a frame movably connected to the base, a lens holder movably disposed in the frame for receiving a lens, a first magnet, a first coil, a second magnet, and a second coil. When a current is applied to the first coil, a magnetic force is generated between the first magnet and the first coil to move the frame and the lens holder relative to the base. When a current is applied to the second coil, a magnetic force is generated between the second magnet and the second coil to move the lens holder relative to the frame.

Abstract: A lens driving module includes a reflecting element, a base, a frame, a holder, an optical lens, a first electromagnetic driving assembly, and a second electromagnetic driving assembly. The frame is connected to the base, and the holder holds the optical lens and movably connects to the base. The reflecting element reflects light from the outside along a light incident direction to an optical lens along a first direction, wherein the light incident direction is substantially perpendicular to the first direction. The first and second electromagnetic driving assemblies are configured to force the holder and the optical lens to move relative to the base, wherein the first and second electromagnetic driving assemblies are situated in different positions in the light incident direction.

Abstract: An image capturing unit is provided, including a base, a frame movably connected to the base, a lens holder movably disposed in the frame for receiving a lens, a first magnet, a first coil, a second magnet, and a second coil. When a current is applied to the first coil, a magnetic force is generated between the first magnet and the first coil to move the frame and the lens holder relative to the base. When a current is applied to the second coil, a magnetic force is generated between the second magnet and the second coil to move the lens holder relative to the frame.

Abstract: A distance measuring device for measuring the distance to an object is provided, including a light-emitting module, a driving assembly disposed in the light-emitting module, and a light-receiving module. The light-emitting module has a housing, a light source disposed in the housing, a light grating element, and an optical path adjuster. The light source emits a measuring light sequentially through the optical path adjuster and the light grating element along a first axis. The driving assembly can drive the optical path adjuster or the light grating element to move relative to the housing. The light-receiving module receives the measuring light which is reflected by the object to obtain distance information of the object.

Abstract: An electromagnetic driving module is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is disposed on a side of the magnet to reduce magnetic interference between the magnet and a magnetic element, wherein the magnetic permeability of the film is higher than the magnetic permeability of the first member.

Abstract: A correction method for an optical mechanism having an optical member and a fixed portion is provided, including: an external apparatus measures the angle between the optical axis of the optical member and a reference surface of the fixed portion; the result of measuring the angle between the optical axis and the reference surface is compiled into data; the data is input into a control module; the control module transmits a signal to a driving module according to the data; and the driving module drives the optical member to rotate or move relative to the fixed portion upon receiving the signal. The optical mechanism does not include a sensor to detect the angle between the optical axis and the reference surface.

Abstract: An electromagnetic driving mechanism is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is formed on the second member and has positive magnetic susceptibility.

Abstract: The tri-axis close-loop feedback controlling module for electromagnetic lens driving device includes a 6-pin Hall element. Two pins of the Hall element are coupled to an auto-focus module for providing a current to drive the auto-focus module to conduct auto-focusing operations along the Z-axis; while other four pins of the Hall element are coupled to a control unit. The control unit detects the X-Y axial positions of the auto-focus module relative to an OIS module and generates a control signal which is then sent to the Hall element. Therefore, the Hall element not only can provide its own feedback controlling function according to the Z-axial position of lens, but also can drive the auto-focus module based on the control signal corresponding to the X-Y axial positions of the auto-focus module, so as to achieve the goal of tri-axis close-loop feedback controlling for the electromagnetic lens driving device.

Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.

Abstract: The tri-axis close-loop feedback controlling module for electromagnetic lens driving device includes a 6-pin Hall element. Two pins of the Hall element are coupled to an auto-focus module for providing a current to drive the auto-focus module to conduct auto-focusing operations along the Z-axis; while other four pins of the Hall element are coupled to a control unit. The control unit detects the X-Y axial positions of the auto-focus module relative to an OIS module and generates a control signal which is then sent to the Hall element. Therefore, the Hall element not only can provide its own feedback controlling function according to the Z-axial position of lens, but also can drive the auto-focus module based on the control signal corresponding to the X-Y axial positions of the auto-focus module, so as to achieve the goal of tri-axis close-loop feedback controlling for the electromagnetic lens driving device.

Abstract: The present invention discloses a lens driving device which includes a lens holder defining an optical axis and being for holding a lens; a first AF coil disposed with respect to the lens holder; an OIS coil structure having two coils respectively disposed by two sides of the lens holder on a first plane having a normal direction parallel to the optical axis; two magnets respectively disposed with respect to the respective coils and having a first surface facing the first AF coil and a second surface facing the OIS coil structure; and a circuit structure connected electrically to the OIS coil structure and taking control thereof. At least one of the two magnets and the first AF coil cooperate to drive the lens holder along the optical axis, and each of the two magnets and the OIS coil structure cooperate to drive the lens holder along a direction perpendicular to the optical axis.

Abstract: An optical system is provided and includes a fixed module, a movable module, a sensing unit and a driving assembly. The fixed module includes a base, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the optical member holder when rotating around a first axis relative to the base and a second rotation angle of the optical member holder when rotating around a second axis relative to the base. The driving assembly includes a coil, the coil and the movable module are arranged along an optical axis of the optical member, and the coil is disposed around an opening of the base. The first axis or the second axis is perpendicular to the optical axis.

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, an electrical circuit and a magnetic element. The fixed module includes a base and a circuit board, and the movable module includes an optical member holder, configured to hold an optical member. The magnetic element corresponds to the driving coil and is configured to generate an electromagnetic driving force to drive the optical member holder to move relative to the base. The driving coil and the electrical circuit are integrally formed in the circuit board. The driving coil partially overlaps the electrical circuit when viewed along a direction perpendicular to an optical axis of the optical member.

Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.

Abstract: An optical device includes a main base, a rotation mechanism, a carrying base, and an optical element. The rotation mechanism is connected to the main base. The carrying base is connected to the rotation mechanism. The optical element is disposed on the carrying base, and configured to change the transmission direction of an incident light. By changing the length of a bias wire of the rotation mechanism, the carrying base is rotated relative to the main base about a rotation axis.

Abstract: A camera device is provided, which includes an image sensor and an optical lens arranged corresponding to the image sensor. An axis is defined on the light incident surface of the image sensor. The edge of the optical lens includes a straight segment that is parallel to the axis. Since the non-effective area of the optical lens is decreased, the camera module has a smaller size.

Abstract: An optical system is provided, including a first optical module, a second optical module, and an optical path adjusting mechanism. The first and second optical modules are respectively configured to sustain a first optical element and a second optical element which respectively have a first optical axis and a second optical axis perpendicular to each other. The first optical module has a first electromagnetic driving assembly. The optical path adjusting mechanism, disposed between the first and second optical modules, allows light to enter the second optical module which includes an optical path adjusting unit and a second electromagnetic driving assembly which are arranged in the incident direction of light.

Abstract: A lens driving device is provided, including a frame, a lens holder, and a dust-proof structure. The frame includes a top casing and a bottom base. The lens holder carries a lens and is movably disposed in the frame and has a first anti-twist structure. A second anti-twist structure corresponding to the first anti-twist structure is formed on a surface of the bottom base. The dust-proof structure is formed on the surface of the bottom base to prevent dust from entering a receiving hole in the bottom base, and the receiving hole is used for receiving an image sensor.

Abstract: A lens driving device includes a base and a frame movably connected to the base. A holder carries a lens and is movably disposed in the frame. A focus driving unit includes at least one first coil disposed on the holder and at least one first magnetic element disposed on the frame and corresponding to the first coil. Electromagnetic induction occurs between the first coil and the first magnetic element, so that the holder is moved along an optical axis of the lens with respect to the base. A tilt driving unit includes several first electromagnetic driving parts disposed on opposite sides of the holder and several second electromagnetic driving parts disposed on the frame and corresponding to the first electromagnetic driving parts. Electromagnetic induction occurs between the first and second electromagnetic driving parts, so that the holder is tilted with respect to the base.