G03B5/02

Lens driving apparatus

One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.

Lens driving apparatus

One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.

Driving unit, optical-element driving device, camera module, and camera-mounted device

The driving unit includes: a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving; in which the second contact portion includes a coating layer at a contact face with the first contact portion, and the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer.

Driving unit, optical-element driving device, camera module, and camera-mounted device

The driving unit includes: a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving; in which the second contact portion includes a coating layer at a contact face with the first contact portion, and the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer.

Light output module and lidar

The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.

Light output module and lidar

The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.

Voice Coil Motor, Camera Module, and Electronic Device
20230008053 · 2023-01-12 ·

A voice coil motor including a first magnetic piece, a second magnetic piece, a third magnetic piece, and a counterweight, with the first magnetic piece, the second magnetic piece, the third magnetic piece, and the counterweight radially and sequentially arranged around an optical carrier, a first plurality of coils symmetrically fastened on two sides of the optical carrier, where the first plurality of coils includes a first coil and a second coil, the first coil is disposed opposite the first magnetic piece, and the second coil is disposed opposite the third magnetic piece, a first magnetic sensor, and a first induction magnet disposed opposite the first magnetic sensor. The first magnetic sensor is disposed on a side of the counterweight that is adjacent to the optical carrier, and the first induction magnet is fastened on an outer wall of the optical carrier that is adjacent to the counterweight.

Lens Driving Apparatus
20180011284 · 2018-01-11 ·

One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.

ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
20180011336 · 2018-01-11 ·

Provided is a zoom lens, including, in order from an object side: first positive, second negative, third positive lens units, and rear lens group, in which intervals between the first and second lens units, between the second and third lens units, and between the third lens unit and the rear lens group, are respectively is increased, decreased and changed, in which the zoom lens includes an image stabilization unit A configured to move not in an optical axis direction during image blur correction, and an image stabilization unit B configured to rotate around a point on or near the optical axis during the image stabilization, and in which focal lengths of the image stabilization unit B and the zoom lens, maximum value θt of image blur correction angle, and rotation angle of the image stabilization unit B upon the image blur correction angle θt are appropriately set.

ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
20180011336 · 2018-01-11 ·

Provided is a zoom lens, including, in order from an object side: first positive, second negative, third positive lens units, and rear lens group, in which intervals between the first and second lens units, between the second and third lens units, and between the third lens unit and the rear lens group, are respectively is increased, decreased and changed, in which the zoom lens includes an image stabilization unit A configured to move not in an optical axis direction during image blur correction, and an image stabilization unit B configured to rotate around a point on or near the optical axis during the image stabilization, and in which focal lengths of the image stabilization unit B and the zoom lens, maximum value θt of image blur correction angle, and rotation angle of the image stabilization unit B upon the image blur correction angle θt are appropriately set.