# US 10,310,290 B2 · Camera module having stabilizer and electronic device including the same

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- Number: US 10,310,290 B2
- Document ID: US10310290B2
- Status: Granted
- Kind: B2
- Application number: 15/291,328
- Filed: 2016-10-12
- Published: 2017-04-20
- Granted: 2019-06-04
- Earliest claimed: 2015-10-20
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Young-Bok Yu; Hyung-Jin Rho; Joong-Wan Park; Hyun-Ho Ryoo
- Web page: https://patentgrep.com/patent/US10310290B2

## CPC

- 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)}
- G02B 7/09: adapted for automatic focusing or varying magnification
- G02B 13/009: {having zoom function}
- G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing
- 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 23/62: Control of parameters via user interfaces
- H04N 23/6812: {based on additional sensors, e.g. acceleration sensors}
- H04N 23/687: {by shifting the lens or sensor position}
- G03B 2205/0007: Movement of one or more optical elements for control of motion blur
- G03B 2205/0023: by tilting or inclining one or more optical elements with respect to the optical axis
- G03B 2205/0069: using electromagnetic actuators, e.g. voice coils
- H04N 23/67: Focus control based on electronic image sensor signals
- 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

## Abstract

A method and a camera including a stabilizer are provided. The camera includes a lens, at least one autofocus (AF) actuator for moving the lens in a first direction, and at least one optical image stabilization (OIS) stabilizer for moving the lens in at least one direction. The OIS stabilizer may be connected with the AF actuator and arranged not to be stacked over the AF actuator in the first direction.

## Claims

### Claim 1

A camera comprising:
a lens;
at least one autofocus (AF) actuator for moving the lens in a first direction; and
at least one optical image stabilization (OIS) stabilizer for moving the lens in at least one direction,
wherein the OIS stabilizer is connected with the AF actuator, and
wherein the OIS stabilizer is not stacked over the AF actuator in the first direction.

### Claim 2 (depends on 1)

The camera of claim 1,
wherein the at least one OIS stabilizer comprises a coupler coupled with the at least one AF actuator on a surface thereof, and
wherein, as the at least one AF actuator moves in the first direction, the at least one OIS stabilizer moves in the first direction as well.

### Claim 3 (depends on 1)

The camera of claim 1,
wherein the at least one OIS stabilizer comprises:
a base,
a moving device for moving in a second direction, and
at least one actuator connected with the base and the moving device, and
wherein the at least one actuator moves the moving device in the second direction.

### Claim 4

An electronic device comprising:
a camera including:
a lens,
at least one autofocus (AF) actuator for moving the lens in a first direction, and
at least one optical image stabilization (OIS) stabilizer for moving the lens in a second direction,
wherein the OIS stabilizer is connected with the AF actuator, and
wherein the OIS stabilizer is not stacked over the AF actuator in the first direction.

### Claim 5 (depends on 4)

The electronic device of claim 4,
wherein the at least one OIS stabilizer includes a coupler coupled with the at least one AF actuator on a surface thereof, and
wherein, as the at least one AF actuator moves in the first direction, the at least one OIS stabilizer moves in the first direction as well.

### Claim 6 (depends on 4)

The electronic device of claim 4, wherein the at least one OIS stabilizer comprises: a base,
a moving device configured to move in the second direction, and at least one actuator connected with the base and the moving device, and wherein the at least one actuator moves the moving device in the second direction.

### Claim 7 (depends on 6)

The electronic device of claim 6,
wherein the at least one OIS stabilizer includes a yolk connected with the moving device and at least one magnet connected with the base, and
wherein the camera utilizes the yolk and the at least one magnet to move the moving device in the second direction.

### Claim 8 (depends on 7)

The electronic device of claim 7, wherein the OIS stabilizer positions the lens at a center portion of the frequency by a magnetic force of the magnet and the yolk.

### Claim 9 (depends on 7)

The electronic device of claim 7,
wherein the magnet is disposed at a lower side of the moving device, and
wherein the yolk is disposed at an upper side of a fastening device while facing the magnet.

### Claim 10 (depends on 6)

The electronic device of claim 6, wherein the at least one OIS stabilizer further comprises at least one ball provided to reduce a frictional force between the moving device and the base.

### Claim 11 (depends on 6)

The electronic device of claim 6, wherein the at least one OIS stabilizer further comprises a location sensor for detecting a movement location of the moving device.

### Claim 12 (depends on 4)

The electronic device of claim 4,
wherein the at least one actuator includes a first sub actuator and a second sub actuator,
wherein the second direction includes a first sub direction and a second sub direction,
wherein the first sub actuator moves the moving device in the first sub direction, and
wherein the second sub actuator moves the moving device in the second sub direction.

### Claim 13 (depends on 4)

The electronic device of claim 4,
wherein the at least one OIS stabilizer further comprises a first OIS stabilizer and a second OIS stabilizer,
wherein the second direction includes a first sub direction and a second sub direction,
wherein the first OIS stabilizer moves the lens in the first sub direction, and
wherein the second OIS stabilizer moves the lens in the second sub direction.

### Claim 14 (depends on 4)

The electronic device of claim 4, wherein the AF actuator and the OIS stabilizer are arranged in parallel along a side surface of the lens.

### Claim 15 (depends on 4)

The electronic device of claim 4, wherein the AF actuator comprises:
a lens carrier having the lens,
a lens housing coupled with the lens carrier,
a first direction moving device including an AF-side magnet and a coil provided on a side surface of the lens housing to move the lens carrier in the first direction when powered, and
a flexible circuit board electrically connected with the coil of the first direction moving device,
wherein the flexible circuit supplies power to the coil.

### Claim 16 (depends on 15)

The electronic device of claim 15,
wherein the first direction moving device comprises:
the AF-side magnet provided on a side surface of the lens carrier,
a first guide member provided on a side surface of the lens housing and the coil facing the AF-side magnet to move the lens carrier in the first direction when powered,
a plurality of ball bearings, and
a second guide member provided on a side surface of the lens carrier to face the first guide member,
wherein the second guide member moves the lens carrier in the first direction, and
wherein the plurality of ball bearings enables the lens carrier to move.

### Claim 17 (depends on 16)

The electronic device of claim 16,
wherein the first guide member includes a first yolk disposed to face the AF-side magnet with the coil disposed therebetween, and
wherein the second guide member includes a second yolk disposed to face the coil with the AF-side magnet disposed therebetween.

### Claim 18 (depends on 16)

The electronic device of claim 16, wherein the first direction moving device includes at least one location sensor for detecting a movement location of the first direction moving device.

### Claim 19

An electronic device comprising:
a camera comprising:
a lens,
an autofocus (AF) actuator for actuating the lens along an optical axis, and
a first optical image stabilization (OIS) stabilizer and a second optical image stabilization (OIS) stabilizer for respectively actuating the lens on a plane perpendicular to the optical axis in a first direction and a second direction different from the first direction to compensate for vibration of the lens,
wherein the first OIS stabilizer, the second OIS stabilizer, and the AF actuator are arranged in a direction of a side surface of the lens,
wherein the AF actuator and at least one of the first OIS stabilizer or the second OIS stabilizer are arranged in parallel, and
wherein the first OIS stabilizer, the second OIS stabilizer, and the AF actuator are arranged in parallel in the direction of the side surface of the lens while the AF actuator is disposed between the first OIS actuator and the second OIS stabilizer.

### Claim 20 (depends on 19)

The electronic device of claim 19, wherein the first OIS stabilizer comprises:
a lens carrier coupled with the lens,
a first magnet provided on a side surface of the lens carrier,
a first coil provided to face the first magnet, wherein the first coil actuates the lens carrier in the second direction when powered, and
a first moving device provided on the side surface of the lens carrier and moving the lens carrier in the second direction.

### Claim 21 (depends on 20)

The electronic device of claim 20, wherein the first moving device comprises:
a pair of guide holes provided in a side surface of the lens carrier,
a guide member having a first yolk, and
a second magnet facing the pair of guide holes, and a ball bearing enabling the lens carrier to move.

### Claim 22 (depends on 21)

The electronic device of claim 21,
wherein the guide member includes, on a first end surface thereof, a first guide member facing the pair of guide holes, having the first yolk, and guiding the lens carrier to be moved in the second direction, and
wherein the guide member includes, on a second end surface thereof, a second guide member having the second magnet and guiding the lens carrier to be moved in the optical axis direction.

### Claim 23 (depends on 22)

The electronic device of claim 22, wherein the AF actuator includes an optical axis moving device provided on a side surface of the first OIS stabilizer, facing the second guide member, and moving the lens carrier in the optical axis direction when powered and a flexible circuit board electrically connected with the optical axis moving device and supplying power.

### Claim 24 (depends on 23)

The electronic device of claim 23, wherein the optical axis moving device comprises:
a moving body,
a first ball guide member having a second coil formed inside the moving body, facing the second guide member, the first ball guide member faces the second magnet and moving the lens carrier in the optical axis direction when powered,
a plurality of multiple ball bearings enabling the lens carrier to move in the optical axis direction, and
a plurality of second ball guide members extending from an outer surface of the moving body to move the lens carrier in the first direction.

### Claim 25 (depends on 24)

The electronic device of claim 24, wherein the moving body includes a coil supporting member coupled with a first coil of the first OIS stabilizer while supporting the first coil.

### Claim 26 (depends on 24)

The electronic device of claim 24, wherein the first ball guide member includes a second yolk disposed to face the second magnet with the second coil disposed therebetween.

### Claim 27 (depends on 24)

The electronic device of claim 24, wherein the optical axis moving device includes a location sensor detecting a movement location of the optical axis moving device.

### Claim 28 (depends on 20)

The electronic device of claim 20,
wherein the second OIS stabilizer comprises:
a base including a plurality of third magnets on an upper surface thereof, a third yolk facing the third magnets, the third yolk positioning and holding the lens carrier at a center portion of the optical axis direction by a magnetic force of the third magnets,
a plurality of first moving devices provided on the upper surface of the base, facing the second ball guide member, to move the lens carrier in the first direction perpendicular to the optical axis,
a fastening device provided on the upper surface of the base, and
a second moving device facing the fastening device, and
wherein the second moving device moves the lens carrier, the first OIS stabilizer, and the AF actuator in the first direction.

### Claim 29 (depends on 28)

The electronic device of claim 28, wherein the second OIS stabilizer includes:
a first actuator provided between the fastening device and the second moving device and controlling a length when powered to move the second moving device in the first direction,
a second actuator provided between the fastening device and the second moving device to provide an elastic force enabling the second moving device to move in the first direction,
a flexible circuit board provided on the base and electrically connected with the first actuator to supply power to the first actuator, and
a plurality of balls enabling the lens carrier to move.

### Claim 30 (depends on 29)

The electronic device of claim 29, wherein the first actuator includes a pair of supporting members coupled and fastened to the fastening device and coupled to the first actuator while supporting the first actuator.

### Claim 31

An electronic device, comprising a camera including:
a lens;
a first optical image stabilization (OIS) stabilizer provided on a side surface of the lens and actuating the lens in a first direction to compensate for vibration of the lens;
a second OIS stabilizer provided on a side surface of the lens, coupled with the first OIS stabilizer, the second OIS stabilizer actuates the lens in a second direction to compensate for the vibration of the lens; and
an autofocus (AF) actuator provided on a side surface of the first OIS stabilizer and the second OIS stabilizer to actuate the lens along an optical axis,
wherein the AF actuator and at least one of the first OIS stabilizer or the second OIS stabilizer are arranged in parallel.

### Claim 32 (depends on 31)

The electronic device of claim 31, wherein the first OIS stabilizer, the second OIS stabilizer, and the AF actuator are arranged in parallel along the side surface of the lens.

### Claim 33 (depends on 32)

The electronic device of claim 32, wherein the first OIS stabilizer comprises:
a lens carrier coupled with the lens,
a first magnet provided on a side surface of the lens carrier, a pair of first coils provided to face the first magnet, the pair of first coils actuates the lens carrier in the first direction when powered,
a first moving device provided on a side surface of the lens carrier to move the lens carrier along the optical axis, and
a first flexible circuit board electrically connected with the pair of first coils and supplying power to the pair of first coils.

### Claim 34 (depends on 33)

The electronic device of claim 33, wherein the first moving device comprises:
a pair of guide holes provided in a side surface of the lens carrier,
a guide member facing the pair of guide holes, and
a ball bearing enabling the lens carrier to move.

### Claim 35 (depends on 34)

The electronic device of claim 34,
wherein the guide member includes, on a first end surface thereof, a first guide member facing the pair of guide holes, the guide member guides the lens carrier to be moved in the first direction, and
wherein the guide member includes, on a second end surface thereof, a second guide member guiding the lens carrier to be moved in the second direction.

### Claim 36 (depends on 35)

The electronic device of claim 35, wherein the second OIS stabilizer comprises:
a base,
a second yolk provided on the base, facing a first and second magnet provided on a side surface of the lens carrier, the second yolk positions and holds the lens carrier at a center portion of the optical axis direction by a magnetic force of the magnets,
a second coil provided on a side surface of the lens carrier, provided to face the second magnet, the second coil actuates the lens carrier in the second direction when powered,
a plurality of second moving devices provided on an upper surface of the base, facing the second guide member, the plurality of second moving devices moves the lens carrier and the guide member in the second direction perpendicular to the optical axis,
a second flexible circuit board electrically connected with the second coil, the second flexible axis supplies power to the second coil, and
a plurality of balls for enabling the lens carrier to move.

### Claim 37 (depends on 36)

The electronic device of claim 36, wherein the AF actuator comprises:
an optical axis moving device provided on a side surface of the base in a single body, the optical axis moving device including a third magnet, the optical axis moving device moves the lens carrier in the optical axis direction when powered,
a third coil provided to face the third magnet, the third coil actuates the lens carrier along the optical axis when powered, and
a third flexible circuit board electrically connected with the third coil, the third flexible circuit supplies power to the third coil.

### Claim 38 (depends on 37)

The electronic device of claim 37, wherein the optical axis moving device comprises:
a housing,
a first ball guide member formed inside the housing,
a second ball guide member formed on a side surface of the base, the second ball guide member facing the first ball guide member to move the lens carrier in the optical axis direction, and
a ball bearing for enabling the lens carrier to move in the optical axis direction.

### Claim 39 (depends on 38)

The electronic device of claim 38, wherein the housing includes a coil supporting member coupled with a first coil of the first OIS stabilizer while supporting the first coil.

### Claim 40 (depends on 39)

The electronic device of claim 39, wherein the first magnet, the second magnet, and the third magnet each includes a shielding yolk for shielding a magnetic force and preventing detachment from the lens carrier.

### Claim 41 (depends on 40)

The electronic device of claim 40,
wherein the first coils include a first location sensor for detecting a movement location of the lens carrier in the first direction,
wherein the second coil includes a second location sensor for detecting a movement location of the lens carrier in the second direction, and
wherein the third coil includes a third location sensor for detecting a movement location of the optical axis moving device.

### Claim 42 (depends on 41)

The electronic device of claim 41, wherein the lens carrier is coupled with a stopper limiting actuation of the lens carrier in the optical axis direction.

### Claim 43

An electronic device comprising:
a lens;
an autofocus (AF) actuator connected with the lens in a first direction;
an optical image stabilization (OIS) stabilizer connected with the AF actuator in a second direction; and
a processor configured to control for:
moving the lens in the first direction using the AF actuator, at least based on a location of an external object,
moving the lens in the second direction using the OIS stabilizer at least based on a movement of the electronic device, and
obtaining at least one image for the external object using the lens, wherein the AF actuator and the OIS stabilizer are arranged in parallel.

### Claim 44 (depends on 43)

The electronic device of claim 43, wherein a location recognition between the external object and the electronic device includes contrast-based recognition, phase difference-based recognition, or depth sensor-based recognition.

### Claim 45

A method performed by an electronic device including a lens, an autofocus (AF) actuator connected with the lens in a first direction, and an optical image stabilization (OIS) stabilizer connected with the AF actuator in a second direction, wherein the AF actuator and the OIS stabilizer are arranged in parallel the method comprising:
moving the lens in the first direction using the AF actuator at least based on a location between an external object and the electronic device; and
moving the lens in the second direction using the OIS stabilizer at least based on a movement of the electronic device.

### Claim 46 (depends on 45)

The method of claim 45, further comprising:
actuating the lens to move in the first direction and the second direction using the AF actuator and the OIS stabilizer at least based on the movement of the electronic device.

### Claim 47 (depends on 46)

The method of claim 46, further comprising:
recognizing the location between the external object and the electronic device by at least one of contrast-based recognition, phase difference-based recognition, or depth sensor-based recognition.

### Claim 48 (depends on 47)

The method of claim 47, further comprising:
obtaining, by the electronic device, at least one image on the external object using the lens.