# US 12,010,427 B2 · Camera device

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- Number: US 12,010,427 B2
- Document ID: US12010427B2
- Status: Granted
- Kind: B2
- Application number: 17/593,901
- Filed: 2020-03-17
- Published: 2022-06-16
- Granted: 2024-06-11
- 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/US12010427B2

## CPC

- 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}
- G02B 3/14: of variable focal length
- G02B 7/08: adapted to co-operate with a remote control mechanism
- G02B 13/0065: {having a beam-folding prism or mirror}
- 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)}
- G03B 3/10: Power-operated focusing
- G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing
- G03B 30/00: Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
- H04N 23/51: Housings
- 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
- G03B 2205/0015: by displacing one or more optical elements normal to the optical axis
- G03B 2205/0069: using electromagnetic actuators, e.g. voice coils
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- 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)

## 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 isolated from the first coil; and a third coil facing the second magnet and electrically isolated from the first and second coils.

## Claims

### Claim 1

A camera device, comprising:
a fixed portion;
a moving portion spaced apart from the fixed portion and comprising an image sensor; and
a driving portion configured to move the moving portion with respect to the fixed portion,
wherein the driving portion comprises a coil and a magnet,
wherein the magnet comprises first and third magnets opposite to each other based on an optical axis, and second and fourth magnets opposite to each other based on the optical axis,
wherein the coil comprises a first coil facing the first magnet, a second coil facing the second magnet, a third coil facing the third magnet, and a fourth coil facing the fourth magnet,
wherein, by an interaction between the first to fourth magnets and the first to fourth coils, the moving portion moves in an x-axis direction perpendicular to the optical axis or a y-axis direction perpendicular to the optical axis or rotates about the optical axis,
wherein the first and third coils are configured to move the moving portion in the x-axis direction or rotate,
wherein the second and fourth coils are configured to move the moving portion in the y-axis direction or rotate,
wherein the first coil is not overlapped with the third coil in both the x-axis direction and the y-axis direction, and
wherein the second coil is not overlapped with the fourth coil in both the x-axis direction and the y-axis direction.

### Claim 2 (depends on 1)

The camera device of claim 1, comprising a lens disposed at a position corresponding to the image sensor,
wherein the lens is fixed to the fixed portion.

### Claim 3 (depends on 2)

The camera device of claim 2, comprising an optical module disposed on the lens and configured to perform an auto focus function.

### Claim 4 (depends on 1)

A camera device of claim 1, wherein the fixed portion comprises a holder and a substrate disposed on the holder;
wherein the moving portion comprises a base disposed to be spaced apart from the holder;
wherein the image sensor is coupled to the base,
wherein the coil is disposed on the substrate, and
wherein the magnet is disposed on the base.

### Claim 5 (depends on 4)

A camera device of claim 4, wherein the substrate comprises first to fourth corners,
wherein the first coil is disposed on the first corner of the substrate,
wherein the second coil is disposed on the second corner of the substrate,
wherein the third coil is disposed on a third corner of the substrate, and
wherein the fourth coil is disposed on the fourth corner of the substrate.

### Claim 6 (depends on 1)

A camera device of claim 1, wherein a long side of the first coil and a long side of the third coil are disposed parallel to each other,
wherein a long side of the second coil and a long side of the fourth coil are disposed parallel to each other, and
wherein the long side of the first coil and the long side of the second coil are disposed not to be parallel to each other.

### Claim 7 (depends on 6)

The camera device of claim 6, wherein the long side of the first coil and the long side of the second coil are disposed such that virtual extension lines thereof are orthogonal to each other.

### Claim 8 (depends on 1)

The camera device of claim 1, wherein currents are independently applied to at least three coils among the first to fourth coils.

### Claim 9 (depends on 1)

The camera device of claim 1, wherein the first to fourth coils are electrically separated from each other.

### Claim 10 (depends on 4)

The camera device of claim 4, comprising:
a terminal portion disposed on the base and comprising a terminal electrically connected to a terminal of the image sensor; and
a plurality of wires connecting the substrate and the terminal portion.

### Claim 11 (depends on 10)

The camera device of claim 10, comprising:
an image sensor substrate disposed with the image sensor,
wherein the image sensor substrate is coupled to the terminal portion and the terminal portion is coupled to the base so that the image sensor is coupled to the base.

### Claim 12 (depends on 10)

The camera device of claim 10, wherein the plurality of wires comprises a number of wires corresponding to the number of terminals of the image sensor.

### Claim 13 (depends on 12)

The camera device of claim 12, wherein the plurality of wires comprises a total of twenty four wires, each six wires between adjacent corners among four corners of the base.

### Claim 14 (depends on 5)

The camera device of claim 5, wherein the first magnet is disposed on a first corner of the base,
wherein the second magnet is disposed on a second corner of the base,
wherein the third magnet is disposed on a third corner of the base,
wherein the fourth magnet is disposed on a fourth corner of the base,
wherein the first magnet is not overlapped with the third magnet in both the x-axis direction and the y-axis direction, and
wherein the second magnet is not overlapped with the fourth magnet in both the x-axis direction and the y-axis direction.

### Claim 15 (depends on 1)

An optical device, 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 holder assembly;
a base assembly spaced apart from the holder assembly and comprising an image sensor; and
a driving portion configured to move the base assembly with respect to the holder assembly,
wherein the driving portion comprises a coil and a magnet,
wherein the magnet comprises first and third magnets opposite to each other based on an optical axis, and second and fourth magnets opposite to each other based on the optical axis,
wherein the coil comprises a first coil facing the first magnet, a second coil facing the second magnet, a third coil facing the third magnet, and a fourth coil facing the fourth magnet,
wherein, by an interaction between the first to fourth magnets and the first to fourth coils, the base assembly moves in an x-axis direction perpendicular to the optical axis or a y-axis direction perpendicular to the optical axis or rotates about the optical axis,
wherein the first and third coils are configured to move the base assembly in the x-axis direction or rotate,
wherein the second and fourth coils are configured to move the base assembly in the y-axis direction or rotate,
wherein the first magnet is not overlapped with the third magnet in both the x-axis direction and the y-axis direction, and
wherein the second magnet is not overlapped with the fourth magnet in both the x-axis direction and the y-axis direction.

### Claim 17 (depends on 16)

The camera device of claim 16, wherein the holder assembly comprises a lens and an optical module disposed on the lens and configured to perform an auto focus function.

### Claim 18 (depends on 16)

The camera device of claim 16, wherein a long side of the first coil and a long side of the third coil are disposed parallel to each other,
wherein a long side of the second coil and a long side of the fourth coil are disposed parallel to each other, and
wherein the long side of the first coil and the long side of the second coil are disposed not to be parallel to each other.

### Claim 19 (depends on 16)

The camera device of claim 16, wherein the first to fourth coils are electrically separated from each other.

### Claim 20 (depends on 16)

The camera device of claim 16, comprising a plurality of wires configured to elastically support a movement of the base assembly.
