# US 12,181,789 B2 · Camera device

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- Number: US 12,181,789 B2
- Document ID: US12181789B2
- Status: Granted
- Kind: B2
- Application number: 17/310,924
- Filed: 2020-03-17
- Published: 2022-05-05
- Granted: 2024-12-31
- Earliest claimed: 2019-03-28
- Assignees: LG Innotek Co., Ltd.
- Applicants: LG Innotek Co., Ltd.
- Inventors: Jung Seok Oh
- Web page: https://patentgrep.com/patent/US12181789B2

## CPC

- G02B 7/023: {permitting adjustment}
- G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing
- G02B 7/08: adapted to co-operate with a remote control mechanism
- G02B 7/09: adapted for automatic focusing or varying magnification
- G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)}
- H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
- H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof
- H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
- H04N 23/687: {by shifting the lens or sensor position}
- H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)}
- H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)}
- G03B 2205/0069: using electromagnetic actuators, e.g. voice coils
- H05K 2201/055: Folded back on itself
- H05K 2201/10083: Electromechanical or electro-acoustic component, e.g. microphone
- H05K 2201/10151: Sensor
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

The present embodiment relates to a camera device including a magnet and a coil. The magnet includes: a first magnet disposed on each of first and second side surfaces of a camera module, and having a different polarity in a top portion and a bottom portion of the surface facing the coil; and a second magnet disposed on each of third and fourth side surfaces of the camera module, and having a different polarity on both side portions of the surface facing the coil. The coil includes: a first coil facing the first magnet; a second coil facing the first magnet and electrically separated from the first coil; and a third coil facing the second magnet and electrically separated from the first and second coils.

## Claims

### Claim 1

A camera device comprising:
a base;
an elastic member disposed on the base and comprising a protrusion;
a housing disposed on the base;
a camera module comprising a lens and an image sensor and disposed on the protrusion of the elastic member in the housing;
a magnet disposed on an outer peripheral surface of the camera module; and
a coil disposed on the housing and facing the magnet,
wherein the outer peripheral surface of the camera module comprises a first lateral surface and a second lateral surface disposed opposite to each other and a third lateral surface and a fourth lateral surface disposed opposite to each other,
wherein the magnet comprises a first magnet disposed on each of the first lateral surface and the second lateral surface of the camera module and a second magnet disposed on each of the third lateral surface and the fourth lateral surface of the camera module,
wherein the coil comprises a first coil facing the first magnet, a second coil facing the first magnet and electrically separated from the first coil, and a third coil facing the second magnet and electrically separated from the first coil and the second coil,
wherein the first magnet comprises a first surface facing the first or/and second coil and having different polarities on an upper portion and a lower portion thereof and,
wherein the second magnet comprises a second surface facing the third coil and having different polarities on both lateral portions thereof.

### Claim 2 (depends on 1)

The camera device of claim 1, wherein the first magnet comprises a first-first magnet disposed on the first lateral surface of the camera module and a first-second magnet disposed on the second lateral surface of the camera module, and
wherein the first coil comprises a first-first coil facing the first-first magnet and a first-second coil facing the first-second magnet.

### Claim 3 (depends on 2)

The camera device of claim 2, wherein the second coil comprises a second-first coil facing the first-first magnet and disposed on one side of the first-first coil, a second-second coil facing the first-first magnet and disposed on the other side of the first-first coil, a second-third coil facing the first-second magnet and disposed on one side of the first-second coil, and a second-fourth coil facing the first-second magnet and disposed on the other side of the first-second coil.

### Claim 4 (depends on 3)

The camera device of claim 3, wherein the second magnet comprises a second-first magnet disposed on the third lateral surface of the camera module and a second-second magnet disposed on the fourth lateral surface of the camera module, and
wherein the third coil comprises a third-first coil facing the second-first magnet and a third-second coil facing the second-second magnet.

### Claim 5 (depends on 1)

The camera device of claim 1, comprising:
a holder, at least a portion of the holder being disposed in the housing and coupled to the camera module;
an upper elastic member comprising a portion coupled to the holder; and
a wire connecting the upper elastic member and the base.

### Claim 6 (depends on 5)

The camera device of claim 5, comprising a first substrate disposed on an outer surface of the housing,
wherein the coil is coupled to an inner surface of the first substrate.

### Claim 7 (depends on 6)

The camera device of claim 6, wherein the camera module comprises a second substrate on which the image sensor is disposed and a flexible third substrate coupled to the second substrate, and
wherein the third substrate comprises an inner portion comprising a terminal connected to a terminal disposed on a lower surface of the second substrate, an outer portion fixed to the base and comprising a terminal, and a connection portion connecting the inner portion and the outer portion, and wherein at least a portion of the connection portion is bent.

### Claim 8 (depends on 1)

The camera device of claim 1, wherein the camera module comprises
a cover comprising an upper plate and a lateral plate extending from the upper plate;
a bobbin disposed in the cover and coupled to the lens;
a coil disposed on the bobbin;
another magnet disposed between the coil of the camera module and the lateral plate of the cover; and
an elastic member coupled to the bobbin.

### Claim 9 (depends on 1)

The camera device of claim 1, wherein the lens of the camera module comprises a plurality of lenses, and
wherein the camera module comprises a liquid lens disposed between the plurality of lenses.

### Claim 10 (depends on 1)

The camera device of claim 1, wherein the first magnet comprises the first surface facing the first or/and second coil and having a first width in a first direction perpendicular to an optical axis direction,
wherein the second magnet comprises the second surface facing the third coil and having a second width in a second direction perpendicular to both the optical axis direction and the first direction, and
wherein the first width of the first magnet is greater than the second width of the second magnet.

### Claim 11 (depends on 5)

The camera device of claim 5, wherein the upper elastic member comprises a first coupling portion coupled to the holder, a second coupling portion coupled to the wire, and a connection portion connecting the first coupling portion and the second coupling portion, and
wherein the first coupling portion is disposed higher than the second coupling portion.

### Claim 12 (depends on 8)

The camera device of claim 8, wherein the magnet of the camera module comprises the first magnet and the second magnet having a width smaller than that of the first magnet of the camera module.

### Claim 13 (depends on 1)

The camera device of claim 1, wherein the elastic member comprises a coupling portion disposed on the base, and a connection portion elastically connecting the protrusion and the coupling portion.

### Claim 14 (depends on 1)

The camera device of claim 1, wherein the first coil is configured to rotate the camera module about a first axis perpendicular to an optical axis through interaction with the first magnet,
wherein the second coil is configured to rotate the camera module about a second axis perpendicular to both the optical axis and the first axis through interaction with the first magnet, and
wherein the third coil is configured to rotate the camera module about the optical axis through interaction with the second magnet.

### Claim 15 (depends on 1)

An optical apparatus comprising:
a main body;
the camera device of claim 1 disposed on the main body; and
a display disposed on the main body and configured to output an image photographed by the camera device.

### Claim 16

A camera device comprising:
a base;
an elastic member disposed on the base and comprising a protrusion;
a housing disposed on the base;
a camera module comprising a lens and an image sensor and disposed on the protrusion of the elastic member in the housing;
a magnet disposed on an outer peripheral surface of the camera module; and
a coil disposed on the housing and facing the magnet,
wherein the magnet comprises a first magnet and a second magnet,
wherein the coil comprises a first coil rotating the camera module about a first axis perpendicular to an optical axis through interaction with the first magnet, a second coil rotating the camera module about a second axis perpendicular to the optical axis and the first axis through interaction with the first magnet, and a third coil rotating the camera module about the optical axis through interaction with the second magnet, and
wherein the second coil is disposed on both sides of the first coil.

### Claim 17

A camera device comprising:
a base;
a camera module comprising a lens and an image sensor;
an elastic member connecting the base and the camera module;
a magnet disposed on an outer peripheral surface of the camera module; and
a coil facing the magnet,
wherein the outer peripheral surface of the camera module comprises a first lateral surface and a second lateral surface disposed opposite to each other and a third lateral surface and a fourth lateral surface disposed opposite to each other,
wherein the magnet comprises a first magnet disposed on each of the first lateral surface and the second lateral surface of the camera module and a second magnet disposed on each of the third lateral surface and the fourth lateral surface of the camera module,
wherein the coil comprises a first coil facing the first magnet, a second coil facing the first magnet and electrically separated from the first coil, and a third coil facing the second magnet and electrically separated from the first coil and the second coil,
wherein the first magnet comprises a surface facing the first or/and the second coil and having different polarities on an upper portion and a lower portion thereof, and
wherein the second magnet comprises a surface facing the third coil and having different polarities on both lateral portions thereof.

### Claim 18 (depends on 17)

The camera device of claim 17, wherein the first magnet comprises a surface facing the coil and having a first width in a first direction perpendicular to an optical axis direction,
wherein the second magnet comprises a surface facing the coil and having a second width in a second direction perpendicular to both the optical axis direction and the first direction, and
wherein the first width of the first magnet is greater than the second width of the second magnet.

### Claim 19 (depends on 17)

The camera device of claim 17, wherein the first coil is configured to rotate the camera module about a first axis perpendicular to an optical axis through interaction with the first magnet,
wherein the second coil is configured to rotate the camera module about a second axis perpendicular to both the optical axis and the first axis through interaction with the first magnet, and
wherein the third coil is configured to rotate the camera module about the optical axis through interaction with the second magnet.