Lens driving device and camera device comprising same
AssigneeLG Innotek Co., Ltd.
InventorSang Jun Min
Life of this patent
Estimating the term…
Abstract
The present embodiment relates to a lens driving device comprising: a housing comprising a first hole and a second hole; a first bobbin disposed in the first hole of the housing; a second bobbin disposed in the second hole of the housing; a first coil disposed on the first bobbin; a second coil disposed on the second bobbin; a first magnet disposed in the housing to face the first coil; a second magnet facing the second coil; and a third magnet disposed between the first coil and the second coil.
Claims21
A lens driving device comprising:
- a housing comprising a first hole and a second hole;
- a first bobbin disposed in the first hole of the housing;
- a second bobbin disposed in the second hole of the housing;
- a first coil disposed on the first bobbin;
- a second coil disposed on the second bobbin;
- a driving magnet disposed on the housing and facing the first coil, a second magnet facing the second coil, and a third magnet disposed between the first coil and the second coil;
- a first sensing magnet disposed on the first bobbin;
- and
- a second sensing magnet disposed on the second bobbin,
- wherein the housing comprises first and second lateral surfaces opposite to each other, third and fourth lateral surfaces opposite to each other, a first corner formed by the first and third lateral surfaces, a second corner formed by the second and third lateral surfaces, a third corner formed by the second and fourth lateral surfaces, and a fourth corner formed by the first and fourth lateral surfaces,
- wherein the first sensing magnet is disposed at a position corresponding to the first corner of the housing, and
- wherein the second sensing magnet is disposed at a position corresponding to the fourth corner of the housing.
A lens driving device comprising:
- a housing comprising a first hole and a second hole;
- a first bobbin disposed in the first hole of the housing;
- a second bobbin disposed in the second hole of the housing;
- a first coil disposed on the first bobbin;
- a second coil disposed on the second bobbin;
- a first magnet disposed on the housing and facing the first coil, a second magnet facing the second coil, and a third magnet disposed between the first coil and the second coil;
- a base disposed below the housing;
- a first substrate disposed on the base;
- a first upper elastic member connecting the first bobbin and the housing and comprising four first upper elastic units;
- a second upper elastic member connecting the second bobbin and the housing and comprising four second upper elastic units;
- four first wires connecting the four first upper elastic units and the first substrate;
- and
- four second wires connecting the four second upper elastic units and the first substrate.
A lens driving device comprising:
- a housing comprising a first hole and a second hole;
- a first bobbin disposed in the first hole of the housing;
- a second bobbin disposed in the second hole of the housing;
- a first coil disposed on the first bobbin;
- a second coil disposed on the second bobbin;
- a driving magnet disposed on the housing and facing both the first coil and the second coil;
- a first sensing magnet disposed on the first bobbin;
- a second sensing magnet disposed on the second bobbin;
- a first Hall sensor disposed on the housing and configured to sense the first sensing magnet;
- and
- a second Hall sensor disposed on the housing and configured to sense the second sensing magnet,
- wherein the housing comprises first and second lateral surfaces opposite to each other, third and fourth lateral surfaces opposite to each other, a first corner area between the first and third lateral surfaces, a second corner area between the second and third lateral surfaces, a third corner area between the second and fourth lateral surfaces, and a fourth corner area between the first and fourth lateral surfaces,
- wherein the first Hall sensor is disposed on the first corner area of the housing, and
- wherein the second sensing magnet is disposed on the fourth corner area of the housing.
A lens driving device comprising:
- a housing comprising a first hole and a second hole;
- a first bobbin disposed in the first hole of the housing;
- a second bobbin disposed in the second hole of the housing;
- a first coil disposed on the first bobbin;
- a second coil disposed on the second bobbin;
- a driving magnet disposed on the housing and facing both the first coil and the second coil;
- a first sensing magnet disposed on the first bobbin;
- a second sensing magnet disposed on the second bobbin;
- a first substrate disposed on the housing;
- a second substrate disposed on housing;
- a first Hall sensor disposed on the first substrate and configured to sense the first sensing magnet;
- and
- a second Hall sensor disposed on the second substrate and configured to sense the second sensing magnet,
- wherein the housing comprises first and second lateral surfaces opposite to each other, third and fourth lateral surfaces opposite to each other, a first corner area between the first and third lateral surfaces, a second corner area between the second and third lateral surfaces, a third corner area between the second and fourth lateral surfaces, and a fourth corner area between the first and fourth lateral surfaces,
- wherein the first substrate is disposed on the first corner area of the housing, and
- wherein the second substrate is disposed on the fourth corner area of the housing.
Dependencies are inferred from the claim text.