Lens moving apparatus, camera module and optical appliance including the same
Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.
1. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a magnet disposed on the housing;
a first position sensor disposed between the housing and the bobbin;
a first circuit board electrically connecting the first position sensor;
a first coil disposed on the bobbin;
an upper elastic member comprising an outer frame coupled to an upper portion of the housing;
a supporting member comprising a plurality of wires connecting the outer frame of the upper elastic member,
wherein the outer frame of the upper elastic member comprises:
a first coupling portion coupled to the upper portion of the housing;
a second coupling portion coupled to one end of the wire; and
a first connection portion connecting the first coupling portion and the second coupling portion,
wherein the first connection portion comprises a first curved portion, and
wherein the first coupling portion is located closer to the second coupling portion than it is to the first curved portion.
2. The lens moving apparatus according to claim 1 , wherein the first circuit board comprises circuit patterns conductively connecting the first position sensor.
3. The lens moving apparatus according to claim 1 , wherein the position sensor is disposed between a first corner portion of the housing and a side surface of the bobbin opposite to the first corner portion of the housing.
4. The lens moving apparatus according to claim 1 , comprising a solder or an adhesive bonding one end of the wire to the second coupling portion.
5. The lens moving apparatus according to claim 1 , wherein the wire is disposed at corner of the housing.
6. The lens moving apparatus according to claim 1 , comprising a lower elastic member coupled to a lower portion of the housing.
7. The lens moving apparatus according to claim 6 , wherein the lower elastic member comprises an inner frame coupled to the bobbin, an outer frame coupled to the lower portion of the housing, and frame connection portion connecting the inner frame and the outer frame of the lower elastic member.
8. The lens moving apparatus according to claim 1 , wherein the upper elastic member comprises two springs electrically connected to the first coil.
9. The lens moving apparatus according to claim 8 , wherein the plurality of wires of the supporting member comprises first and second wires, and each of the first and second wires is coupled to a corresponding one of the two springs.
10. The lens moving apparatus according to claim 1 , comprising a damper disposed between the upper elastic member and the housing.
11. The lens moving apparatus according to claim 1 , comprising:
a sensing magnet;
a second circuit board disposed under the housing;
a second coil disposed on the second circuit board;
a second position sensor disposed on the second circuit board; and
a base disposed under the second circuit board.
12. The lens moving apparatus according to claim 11 , wherein the housing comprises four corners and four side portions between the four corners, and
wherein the magnet comprises:
first and second magnets disposed opposite to each other in a direction parallel to a X-axis; and
third and fourth magnets disposed opposite to each other in a direction parallel to a Y-axis,
wherein each of the first to fourth magnets are disposed at a corresponding one of the four corners of the housing.
13. The lens moving apparatus according to claim 12 , wherein the second coil comprises:
first and second coil portions disposed opposite to the first and second magnets in a direction parallel to an optical axis; and
third and fourth coil portions disposed opposite to the third and fourth magnets in the direction parallel to the optical axis.
14. The lens moving apparatus according to claim 13 , wherein the second position sensor comprises a first sensor and a second sensor, and
wherein the first sensor is arranged with one of the first and second magnets in the direction parallel to the optical axis, and the second sensor is arranged with one of the third and fourth magnets in the direction parallel to the optical axis.
15. The lens moving apparatus according to claim 1 , wherein first position sensor is a Hall sensor.
16. The lens moving apparatus according to claim 1 , comprising a solder or an adhesive bonding each of first to fourth elastic members to a corresponding one of four contact parts of the first circuit board.
17. The lens moving apparatus according to claim 11 , wherein the second circuit board comprises a plurality of terminals electrically connecting the plurality of wires of the supporting member.
18. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a magnet disposed on the housing;
a first position sensor disposed between the housing and the bobbin;
a first circuit board electrically connecting the first position sensor;
a first coil disposed on the bobbin;
an upper elastic member comprising four upper springs;
a supporting member comprising four wires corresponding to the four springs; and
a second circuit board disposed under the housing,
wherein each of the four springs is coupled to the first circuit board,
wherein each of the four springs comprises an outer frame coupled to an upper portion of the housing,
wherein the outer frame of each of the four springs comprises:
a first coupling portion coupled to the upper portion of the housing;
a second coupling portion coupled to one end of a corresponding one of the four wires; and
a connection portion connecting the first coupling portion and the second coupling portion,
wherein the first connection portion comprises a first curved portion, and
wherein the first coupling portion is located closer to the second coupling portion than it is to the first curved portion.
19. A lens moving apparatus comprising:
a housing;
a bobbin disposed in the housing;
a magnet disposed on the housing;
a first position sensor disposed between the housing and the bobbin;
a first circuit board electrically connecting the first position sensor;
a first coil disposed on the bobbin;
an upper elastic member comprising six upper springs;
a supporting member comprising six wires corresponding to the six springs; and
a second circuit board disposed under the housing,
wherein each of four of the six springs is coupled to the first circuit board,
wherein the other two of the six springs are electrically connected to first coil,
wherein each of the six springs comprises an outer frame coupled to an upper portion of the housing,
wherein the outer frame of each of the six springs comprises:
a first coupling portion coupled to the upper portion of the housing;
a second coupling portion coupled to one end of a corresponding one of the six wires; and
a connection portion connecting the first coupling portion and the second coupling portion,
wherein the first connection portion comprises a first curved portion, and
wherein the first coupling portion is located closer to the second coupling portion than it is to the first curved portion.