An optical element driving mechanism is provided. The optical element driving mechanism includes an immovable part, a movable part, a driving assembly, and a sensing assembly. The movable part is connected to an optical element including an optical axis. The movable part is movable relative to the immovable part. The driving assembly drives the movable part to move relative to the immovable part. The sensing assembly senses the movement of the movable part relative to the immovable part.

A glueless optical device includes a housing having a first optical portal and a second optical portal opposite the first optical portal. A first optical component is within the housing adjacent to the first optical portal, and a second optical component is within the housing adjacent to the second optical portal. A central optical component is positioned within the housing between the first optical component and the second optical component. A first holder is configured to mount the first optical component to the housing via a first plate spring, and a second holder is configured to mount the second optical component to the housing via a second plate spring. A construct having a coil spring at least partially wrapped around a cylindrical crystal is configured to pass through a bore hole in the central optical component and mount the central optical component between the first holder and the second holder.

A glueless optical device includes a housing having a first optical portal and a second optical portal opposite the first optical portal. A first optical component is within the housing adjacent to the first optical portal, and a second optical component is within the housing adjacent to the second optical portal. A central optical component is positioned within the housing between the first optical component and the second optical component. A first holder is configured to mount the first optical component to the housing via a first plate spring, and a second holder is configured to mount the second optical component to the housing via a second plate spring. A construct having a coil spring at least partially wrapped around a cylindrical crystal is configured to pass through a bore hole in the central optical component and mount the central optical component between the first holder and the second holder.

An imaging apparatus is mounted on a moving object and configured to capture an image while moving along a moving direction of the moving object. The imaging apparatus includes a sensor unit including a sensor substrate on which an image sensor is mounted, and a main unit including a main substrate on which an electronic component configured to process an output signal from the sensor substrate is mounted. The imaging apparatus further includes a heat dissipation fin configured to dissipate heat generated in at least one of the sensor unit and the main unit. The heat dissipation fin is provided in a direction substantially parallel to the moving direction.

The present disclosure provides an optical system, including a first optical mechanism. The first optical mechanism includes a first movable part, a fixed assembly, a first driving assembly and a guiding assembly. The first movable part includes an optical element. The first movable part is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable part to move relative to the fixed assembly. The guiding assembly is configured to guide the first movable part to move relative to the fixed assembly. A friction force is generated between the first movable part and the guiding assembly, and the first movable part is temporarily positioned on the fixed assembly through the friction force.

An optical assembly for an autofocus imaging system for capturing at least one image of an object appearing in an imaging field of view (FOV) is provided. The optical assembly includes a front aperture along an optical axis and a front lens group along the optical axis that receives light from the object of interest. The position of the front lens group is adjustable to change a focal distance of the optical assembly. The optical assembly further includes an actuator physically coupled to the front lens group that adjusts the position of the front lens. A rear lens group is disposed along the optical axis to receive the light from the front lens group, and an imaging sensor is disposed at a back focal distance of the rear lens group, to detect the light.

The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing so as to move in a first direction; a first coil disposed on the outer circumferential surface of the bobbin; a magnet disposed in the housing; a base disposed below the housing; a coil part having a second coil disposed between the housing and the base so as to face the magnet; a substrate disposed between the housing and the base; and a conducting member for electrically connecting the coil part to the substrate, wherein the conducting member is disposed at a corner of the base.

Misalignment of a substrate portion which integrates an image sensor and a substrate is suppressed. An imaging apparatus comprises: an imaging optical system including at least one optical element; a holding member holding the imaging optical system; an image sensor configured to capture a subject image formed by the imaging optical system; a substrate having the image sensor mounted thereon; and a bonding member fixing a substrate portion to the holding member, the substrate portion integrating the image sensor and the substrate, wherein the bonding member is partly in contact with a surface of the substrate portion, and at at least two positions in a part of the surface of the substrate portion in contact with the bonding member, the surface of the substrate portion faces different directions.

It is provided a lens unit to be small-sized, while reducing deterioration in optical performance after experiencing thermal expansion. The lens unit includes an aperture member, a lens, an image sensor, and a holder. A range where the aperture member abuts on a flange part of the lens overlaps with a range where the holder abuts on the flange part of the lens. A first gap is provided between a holder inclined surface of the holder and a lens inclined surface of the lens over the entire circumference. A second gap is provided between an outer circumferential surface of the lens and an inner surface of the holder over the entire circumference.

It is provided a lens unit to be small-sized, while reducing deterioration in optical performance after experiencing thermal expansion. The lens unit includes an aperture member, a lens, an image sensor, and a holder. A range where the aperture member abuts on a flange part of the lens overlaps with a range where the holder abuts on the flange part of the lens. A first gap is provided between a holder inclined surface of the holder and a lens inclined surface of the lens over the entire circumference. A second gap is provided between an outer circumferential surface of the lens and an inner surface of the holder over the entire circumference.