# US 2019/0379809 A1 · Lens moving apparatus

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2019/0379809 A1
- Document ID: US20190379809A1
- Status: Published application
- Kind: A1
- Application number: 16/540,631
- Filed: 2019-08-14
- Published: 2019-12-12
- Earliest claimed: 2014-10-17
- Assignees: LG Innotek Co., Ltd.
- Applicants: LG Innotek Co., Ltd.
- Inventors: Sang Ok PARK; Seong Min LEE; Jun Taek LEE; Byung Wook SON
- Web page: https://patentgrep.com/patent/US20190379809A1

## CPC

- H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof
- G02B 7/08: adapted to co-operate with a remote control mechanism
- H04N 23/51: Housings
- H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
- H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.

## Claims

### Claim 1

A lens moving apparatus comprising:
a cover member comprising an upper surface and a plurality of lateral walls extending from the upper surface;
a bobbin disposed in the cover member and configured to move in an optical axis direction;
a first magnet disposed on the cover member;
a coil disposed on the bobbin and facing the first magnet;
an elastic member comprising an inner frame coupled to the bobbin;
a second magnet coupled with the bobbin;
a position sensor configured to detect the second magnet; and
a damping member disposed between one portion of the elastic member and the bobbin,
wherein the one portion of the elastic member is spaced apart from the inner frame of the elastic member,
wherein the plurality of lateral walls of the cover member comprises first and second lateral walls opposite to each other, and third and fourth lateral walls disposed between the first and second lateral walls and opposite to each other,
wherein the first magnet comprises a first magnet unit facing the first lateral wall of the cover member and a second magnet unit facing the second lateral wall of the cover member, and
wherein the second magnet is disposed on a side of the bobbin that faces a direction toward the third lateral wall of the cover member.

### Claim 2 (depends on 1)

The lens moving apparatus according to claim 1, comprising:
a circuit board comprising a plurality of terminals; and
a base disposed below the bobbin and coupled to the cover member,
wherein the position sensor is disposed on the circuit board, and
wherein the elastic member comprises a lower elastic member coupled to a lower surface of the bobbin, and an upper elastic member coupled to an upper surface of the bobbin.

### Claim 3 (depends on 2)

The lens moving apparatus according to claim 2, wherein the lower elastic member comprises a first lower elastic member and a second lower elastic member spaced from each other, and wherein the first lower elastic member is electrically connected with one end of the coil, and the second lower elastic member is electrically connected with another end of the coil.

### Claim 4 (depends on 3)

The lens moving apparatus according to claim 3, wherein the first lower elastic member and the second lower elastic member are electrically connected with the circuit board.

### Claim 5 (depends on 2)

The lens moving apparatus of claim 2, wherein at least a portion of the circuit board is disposed on a lateral surface of the base.

### Claim 6 (depends on 1)

The lens moving apparatus of claim 1, wherein the position sensor is a Hall sensor, and
wherein the second magnet comprises six surfaces.

### Claim 7 (depends on 1)

The lens moving apparatus of claim 1, comprising a housing disposed in the cover member,
wherein the elastic member comprises an outer frame coupled to the housing and a connector connecting the inner frame and the outer frame, and
wherein the first magnet is disposed on the housing and fixed to the cover member.

### Claim 8 (depends on 2)

The lens moving apparatus of claim 2, wherein the circuit board is disposed on the third lateral wall of the cover member.

### Claim 9 (depends on 7)

The lens moving apparatus according to claim 7, wherein the bobbin comprises a boss disposed on an upper or lower surface thereof, and
wherein the elastic member surrounds at least a portion of the boss.

### Claim 10 (depends on 9)

The lens moving apparatus according to claim 9, wherein the damping member is coupled with the elastic member at a region at which the elastic member surrounds the at least a portion of the boss.

### Claim 11 (depends on 9)

The lens moving apparatus according to claim 9, wherein the damping member is attached to the connector and the boss.

### Claim 12 (depends on 9)

The lens moving apparatus according to claim 9, wherein the boss comprises a plurality of bosses and the connector comprises a plurality of connectors, the number of bosses being the same as the number of connectors, and
wherein the damping member comprises a plurality of damping members, the number of damping members being the same as the number of bosses or the number of connectors.

### Claim 13 (depends on 9)

The lens moving apparatus according to claim 9, wherein the connector comprises a receptor receiving a portion of the boss and a portion of the damping member.

### Claim 14 (depends on 9)

The lens moving apparatus according to claim 9, wherein the connector comprises a hole disposed at a position corresponding to the boss, and
wherein at least a portion of the damping member is disposed between the boss and the hole.

### Claim 15 (depends on 9)

The lens moving apparatus according to claim 9, wherein the connector surrounds a portion of the boss and comprises a shape corresponding to a shape of the boss, and
wherein at least a portion of the damping member is disposed between the boss and the connector.

### Claim 16 (depends on 9)

The lens moving apparatus according to claim 9, wherein the boss comprises a pair of bosses that are spaced apart from each other by a predetermined distance,
wherein the connector is disposed in a space defined between the pair of bosses, and
wherein at least a portion of the damping member is disposed between the boss and the connector.

### Claim 17 (depends on 9)

The lens moving apparatus according to claim 9, wherein the damping member is attached between the elastic member and the bobbin in a gel state, and the damping member is made of photo-curable resin.

### Claim 18 (depends on 1)

The lens moving apparatus according to claim 1, wherein the damping member is coupled between the elastic member and the bobbin such that the bobbin is movable within a predetermined range in the first direction with respect to the cover member.

### Claim 19

A lens moving apparatus comprising:
a cover member;
a bobbin disposed in the cover;
a first magnet disposed on the cover member;
a coil disposed on the bobbin and facing the first magnet;
an elastic member comprising an inner frame coupled to the bobbin;
a circuit board electrically connected with the coil;
a second magnet coupled with the bobbin;
a position sensor disposed on the circuit board and configured to detect the second magnet; and
a damping member disposed between one portion of the elastic member and the bobbin,
wherein the one portion of the elastic member is spaced apart from the inner frame of the elastic member,
wherein the cover member comprises first and second lateral walls opposite to each other, and third and fourth lateral walls disposed between the first and second lateral walls and opposite to each other,
wherein the first magnet comprises a first magnet unit facing the first lateral wall of the cover member and a second magnet unit facing the second lateral wall of the cover member,
wherein the circuit board is disposed on the third lateral wall of the cover member,
wherein the position sensor is disposed on a first surface of the circuit board, and
the first surface of the circuit board is opposite to a second surface of the circuit board facing to the third lateral wall of the cover member.

### Claim 20

A lens moving apparatus comprising:
a cover member;
a bobbin disposed in the cover;
a first magnet disposed on the cover member;
a coil disposed on the bobbin and facing the first magnet;
an elastic member comprising an inner frame coupled to the bobbin;
a base disposed below the bobbin and coupled to the cover member;
a second magnet coupled with the bobbin;
a position sensor configured to detect the second magnet; and
a damping member disposed between the elastic member and the bobbin.
