Patent classifications
G03B2205/0023
PIEZOELECTRIC MEMS ACTUATOR FOR COMPENSATING UNWANTED MOVEMENTS AND MANUFACTURING PROCESS THEREOF
A method of making a MEMS actuator with a monolithic body of semiconductor material includes forming a supporting portion of semiconductor material, orientable with respect to first and second rotation axes, the first rotation axis being transverse with respect to the second rotation axis, and forming a first frame of semiconductor material. The method further includes forming first deformable elements, of semiconductor material, coupled to the first frame, and configured to control a rotation of the supporting portion about the first rotation axis. The method also includes forming a second frame of semiconductor material, and forming second deformable elements, of semiconductor material, coupled to the first frame and to the second frame, and configured to control a rotation of the supporting portion about the second rotation axis. The first and second deformable elements are formed to carry respective first and second piezoelectric actuation elements.
Reflection module capable of image stabilization, camera module and electronic device
A reflection module capable of image stabilization includes a reflecting element, a rotatable holder, a fixed base, a spherical supporting structure, an auxiliary supporting structure and an image stabilizing actuator. The reflecting element having a reflecting surface for folding optical path of incident light is disposed on the rotatable holder. The fixed base is connected to the rotatable holder via an elastic element. The spherical supporting structure is disposed between the rotatable holder and the fixed base. The auxiliary supporting structure disposed on at least one of the rotatable holder and the fixed base and corresponds to the spherical supporting structure. At least part of the image stabilizing actuator is disposed on the rotatable holder for driving the rotatable holder to rotate by taking the spherical supporting structure as rotation center. The spherical supporting structure is a ball having at least three contact points with the auxiliary supporting structure.
Camera module and portable electronic device including the same
A camera module includes a lens module, a first frame accommodating the lens module, a second frame accommodating the first frame, and a housing accommodating the second frame. The lens module and the first frame are rotatable about a first axis, with respect to the second frame, perpendicular to an optical axis. The lens module, the first frame, and the second frame are rotatable about a second axis, with respect to the housing, perpendicular to both the optical axis and the first axis. A first ball member is disposed between the first frame and the second frame and elastically supported in a direction of the first axis, and a second ball member is disposed between the second frame and the housing and elastically supported in a direction of the second axis.
Optical path change module and camera module
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.
OPTICAL UNIT WITH SHAKE CORRECTION FUNCTION
An optical unit with a shake correction function may include a unit with a swing mechanism having an optical module and a swing drive mechanism structured to swing the optical module, a rolling drive mechanism including a magnetic drive mechanism structured to turn the unit with the swing mechanism in a direction different from a swing direction by the swing drive mechanism, a connection member which connects the unit with the swing mechanism with a turning shaft of the rolling drive mechanism, and a support member which supports the rolling drive mechanism. The connection member includes an abutting part integrally turned with the unit with the swing mechanism and the support member includes a position restriction part which restricts a movable range of the abutting part.
Anti-vibration mechanism for imaging element, camera and electronic device
In a camera device that includes a hand tremor correction mechanism, an anti-vibration mechanism for the camera device is provided. An optical system that is movable in an optical axis direction and includes a focus adjustment mechanism is provided in the camera device, includes an anti-vibration mechanism that performs hand tremor correction by anti-vibration of the imaging element, and includes from an object side, an imaging lens group, the anti-vibration mechanism, and an imaging element provided on the anti-vibration mechanism, and a plane perpendicular to the optical axis of the imaging lens group is used as a movement plane to allow the imaging element on the anti-vibration mechanism to move, so as to achieve hand tremor correction.
Optical unit
An optical unit includes a movable body with an optical module; a fixed body; a gimbal mechanism having a hole portion through which at least a part of the optical module passes, and serving as a support mechanism that swingably supports the movable body with respect to the fixed body in a direction intersecting an optical axis direction as a pivot axis; and a drive mechanism having a coil and a magnet, and configured to move the movable body with respect to the fixed body. One of the coil and the magnet, as a movable body drive mechanism, is provided on a lateral portion of the movable body in a direction intersecting the optical axis direction. The hole portion is provided with a size such that at least a part of the movable body drive mechanism is visible through the hole portion when viewed from the optical axis direction.
CAMERA ACTUATOR AND CAMERA DEVICE COMPRISING SAME
An embodiment of the present invention discloses a camera actuator including a housing, a mover on which a reflective member is disposed, a guide part disposed between the housing and the mover, and a driving part which drives the mover, wherein the guide part includes a support part, a first elastic part coupled to the support part and the mover, and a second elastic part coupled to the support part and the housing, the first elastic part tilts the mover with respect to a first axis, and the second elastic part tilts the mover with respect to a second axis perpendicular to the first axis.
REFLECTIVE MODULE AND CAMERA MODULE INCLUDING REFLECTIVE MODULE
A camera module includes a first lens module including one or more lenses disposed along a first optical axis; and a reflective module into which light emitted from the first lens module is incident, wherein the reflective module includes a housing having an internal space; a rotatable holder supported in the housing in a first direction parallel to the first optical axis, and configured to be rotatable relative to the housing; a reflective holder supported in the rotatable holder in a second direction different from the first direction, and configured to be rotatable relative to the rotatable holder; a reflective member disposed on the reflective holder; and a first ball member forming a rotation axis of the rotatable holder, and an imaginary line extending along the first optical axis passes through the first ball member.
Lens driving device, camera module, and optical device
The present embodiments relates to a lens driving device including: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a first magnet which is disposed on the housing and faces the coil; a second magnet disposed on the bobbin; and a sensor which is disposed on the housing and faces the second sensor, wherein the sensor includes an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface with the outer surface, the upper surface and the lower surface of the sensor are fixed to the housing, and one of the side surfaces of the sensor is opened.