WO2022235111A1 - 카메라 엑추에이터 및 이를 포함하는 카메라 모듈 및 광학 기기 - Google Patents
카메라 엑추에이터 및 이를 포함하는 카메라 모듈 및 광학 기기 Download PDFInfo
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- WO2022235111A1 WO2022235111A1 PCT/KR2022/006487 KR2022006487W WO2022235111A1 WO 2022235111 A1 WO2022235111 A1 WO 2022235111A1 KR 2022006487 W KR2022006487 W KR 2022006487W WO 2022235111 A1 WO2022235111 A1 WO 2022235111A1
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- holder
- disposed
- housing
- protrusion
- actuator
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Classifications
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- G—PHYSICS
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- G—PHYSICS
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
Definitions
- the present invention relates to a camera actuator, a camera module including the same, and an optical device.
- a camera is a device that takes a picture or video of a subject, and is mounted on a portable device, a drone, a vehicle, or the like.
- the camera module has an image stabilization (IS) function that corrects or prevents image shake caused by user movement to improve image quality, and automatically adjusts the distance between the image sensor and the lens to align the focal length of the lens. It may have a zooming function that increases or decreases the magnification of a distant subject through an auto-focusing (AF) function and a zoom lens.
- IS image stabilization
- AF auto-focusing
- the resolution of the image sensor increases as the pixel becomes higher and the size of the pixel becomes smaller.
- the amount of light received for the same time decreases. Therefore, the higher the resolution of a camera, the more severe the image shake caused by hand shake that occurs when the shutter speed is slowed in a dark environment.
- ISO image stabilization
- OIS optical image stabilizer
- the movement of the camera is detected through a gyrosensor, etc., and the lens is tilted or moved based on the detected movement, or the camera module including the lens and the image sensor can be tilted or moved.
- the lens or a camera module including a lens and an image sensor is tilted or moved for OIS, it is necessary to additionally secure a space for tilting or moving around the lens or camera module.
- an actuator for OIS may be disposed around the lens.
- the actuator for OIS may include two axes perpendicular to the optical axis Z, that is, an actuator in charge of tilting the X-axis and an actuator in charge of tilting the Y-axis.
- the technical problem to be solved by the present invention is to provide a camera actuator that suppresses distortion or distortion of an optical member due to coupling of a bonding member through an optical member having a different thickness for each region.
- the embodiment may provide a camera actuator with improved light reflection efficiency through an optical member having a thick thickness in the edge region.
- the embodiment may provide a camera actuator applicable to ultra-slim, ultra-compact and high-resolution cameras.
- the embodiment provides a camera device capable of suppressing a play phenomenon and a ghost phenomenon and preventing a decrease in resolution, and an optical device including the same.
- the embodiment provides a camera device capable of preventing cracks occurring inside a substrate unit, securing reliability of a gyro sensor, and securing reliability of electrical connection, and an optical device including the same.
- Embodiments provide a camera device and an optical device capable of minimizing reduction in light efficiency and obtaining high-quality image performance.
- a camera actuator includes a housing; a mover including a holder disposed in the housing and an optical member disposed on the holder; a driving unit disposed in the housing and configured to move the mover; and a bonding member disposed between the holder and the optical member, wherein the optical member includes a reflective surface and a coating layer disposed on the reflective surface, wherein the coating layer includes a first region in contact with the bonding member and the first region and a second region other than the first region, wherein a thickness in the first region is greater than a thickness in the second region.
- the holder may include a seating surface corresponding to the reflective surface of the optical member, and the seating surface may include an edge region and an inner region disposed inside the edge region.
- the seating surface may include a seating protrusion disposed on the edge area.
- the first region may be positioned on the edge region, and the second region may be positioned on the inner region.
- the coating layer may be disposed to be spaced apart from the seating surface in the second region.
- the bonding member may at least partially contact the first region.
- the bonding member may be shifted from the second region.
- the bonding member may be disposed on the seating protrusion.
- the coating layer may include a plurality of layers, and the number of the plurality of layers in the first region may be greater than the number of the plurality of layers in the second region.
- the optical member may be a prism or a mirror.
- the holder includes a first holder outer surface and a second holder outer surface facing each other, a third holder outer surface disposed under the first holder outer surface and the second holder outer surface, and the first holder outer surface and the first holder outer surface and a fourth holder outer surface disposed on the third holder outer surface between the second holder outer surfaces, wherein the optical member includes the first holder outer surface, the second holder outer surface, and the third holder outer surface and an outer surface of the fourth holder.
- the thickness in the first region may increase.
- At least a portion of the bonding member may be located below the second region.
- the bonding member may be in contact with any one of the second region or the seating surface.
- the bonding member may be positioned on the seating surface and spaced apart from the second region.
- the camera actuator includes: a housing; a mover including a holder disposed in the housing and an optical member disposed in the holder; a driving unit disposed in the housing and configured to move the mover; and a bonding member disposed between the holder and the optical member, wherein the optical member includes a reflective surface and a coating layer disposed on the reflective surface, wherein the coating layer includes a first region in contact with the bonding member and the first region and a second region other than the first region, wherein a thickness in the first region is greater than a thickness in the second region.
- a camera actuator includes a housing; a mover including a holder disposed in the housing and an optical member disposed in the holder; and a driving unit disposed in the housing and moving the mover, wherein the optical member includes a reflective surface and a coating layer disposed on the reflective surface, wherein the coating layer includes a first region and a second region other than the first region. region; and a thickness in the first region may be greater than a thickness in the second region.
- a camera device includes a lens barrel; a lens array including a plurality of lenses disposed in the lens barrel; a spacer disposed between adjacent two lenses of the plurality of lenses; an image sensor disposed to face the lens barrel; and a first light absorption layer disposed on the spacer.
- the first light absorption layer may be disposed on at least one of an upper surface, a lower surface, and a side surface of the spacer.
- a second light absorption layer disposed on the inner surface of the lens barrel may be included.
- the lens barrel may include an upper surface, an inner surface, and a bottom portion, and the second light absorption layer may be disposed on at least one of the upper surface, the inner surface, and the bottom portion of the lens barrel.
- the lens barrel may include a first hole penetrating the bottom part to expose the lens array, and the second light absorption layer may include a portion disposed on an inner peripheral surface of the bottom part formed by the first hole. have.
- Each of the first and second light absorption layers may include at least one of black titanium oxide, black titanium-carbon oxide, and black carbon oxide.
- Each of the first and second light absorption layers may be a mixture of at least one of black titanium oxide, black titanium-carbon oxide, and black carbon oxide and a resin.
- a composition of each of the first and second light absorption layers may be Ti n O 2n-1 and 1.5 ⁇ n ⁇ 4.5.
- a composition of each of the first and second light absorption layers may be Ti x O y C z , and may be 0.5 ⁇ x ⁇ 4.5, 1.5 ⁇ y ⁇ 7.5, and 0.5 ⁇ z ⁇ 4.5.
- a ratio of the weight of the resin to the weight of at least one of the black titanium oxide, the black titanium-carbon oxide, and the black carbon oxide may be 1:2 to 1:3.
- Each of the first and second light absorption layers may have a thickness of 0.5 micrometers or more and 10 micrometers or less.
- the camera device includes a bobbin accommodating the lens barrel therein, and the bobbin includes a second hole exposing a portion of the lens array disposed in the lens barrel, and the second hole is formed by the second hole. It may include a third light absorption layer disposed on the inner peripheral surface of the bobbin.
- the camera device may include a base disposed between the bobbin and the image sensor and including a third hole corresponding to the second hole; and a fourth light absorption layer disposed on an inner circumferential surface of the base formed by the third hole.
- the fourth light absorption layer may include a portion disposed in a partial region of the upper surface of the base adjacent to the third hole.
- the camera device may include a fifth light absorption layer disposed on an outer surface of the lens array.
- It may include a stopper disposed on the upper surface of the first lens among the plurality of lenses, and a sixth light absorption layer disposed on the stopper.
- a camera device includes a circuit board; an image sensor disposed on the circuit board; a lens barrel disposed to face the image sensor; a lens array including a plurality of lenses disposed in the lens barrel; a spacer disposed between adjacent two lenses of the plurality of lenses; and a first light absorbing layer disposed on the inner surface of the lens barrel and upper, lower, and side surfaces of the spacer.
- the camera device includes a bobbin accommodating the lens barrel inside and including a first hole exposing a part of the lens array; a base including a second hole corresponding to the first hole and disposed between the bobbin and the circuit board; and a second light absorbing layer disposed on an inner circumferential surface of the bobbin.
- the camera device may include a third light absorption layer disposed on the inner peripheral surface of the base.
- a camera device includes: a first actuator including an optical member for changing a path of light; a second actuator including a lens module through which the light whose optical path is changed by the first actuator passes, and moving the lens module in a first direction; and an image sensor disposed to face the lens module, wherein the lens module includes: a lens barrel; a lens array including a plurality of lenses disposed in the lens barrel; a spacer disposed between adjacent two lenses of the plurality of lenses; and a light absorption layer disposed on at least one of an inner surface of the lens barrel and the spacer.
- a camera device includes: a substrate unit including a first substrate, a second substrate, and a third substrate connecting the first substrate and the second substrate; an image sensor disposed on the first substrate; a first actuator including a lens module disposed to face the image sensor and moving the lens module; a support holder accommodating the first actuator; and a fixing part for fixing the second substrate to the support holder.
- the third substrate is a flexible substrate and may include a curved portion.
- the fixing unit may accommodate the gyro sensor therein.
- the support holder may include a first side plate and a second side plate facing each other, and the fixing part may fix the second substrate to the first side plate of the support holder.
- the fixing part may include a top plate facing the gyro sensor and a side plate disposed between the top plate and the second substrate of the fixing part, and the top plate of the fixing part may be fixed to the first side plate of the support holder.
- the support holder may include at least one protrusion protruding from the first side plate of the support holder, and the fixing part may include at least one through-hole coupled to the at least one protrusion of the support holder.
- the camera device may include an adhesive disposed between the first side plate of the support holder and the top plate of the fixing part.
- the at least one through hole may be formed in a region where the upper plate of the fixing part and the side plate of the fixing part meet.
- the support holder may include at least one guide part protruding from the first side plate of the support holder and supporting the side plate of the fixing part.
- the support holder may include four protrusions protruding from the first side plate, the guide part includes first and second guide parts facing each other, and the fixing part includes the first guide part and the second guide part. It can be located between the parts.
- the camera device may include a reinforcing member including a first reinforcing unit supporting the first substrate, a second reinforcing unit supporting the second substrate, and a third reinforcing unit supporting the third substrate and including a bent portion.
- a reinforcing member including a first reinforcing unit supporting the first substrate, a second reinforcing unit supporting the second substrate, and a third reinforcing unit supporting the third substrate and including a bent portion.
- a camera apparatus includes: a substrate unit including a first substrate, a second substrate, and a third substrate connecting the first substrate and the second substrate; an image sensor disposed on the first substrate; an electronic device disposed on the second substrate; a first actuator including a lens module disposed to face the image sensor and moving the lens module; a support holder accommodating the first actuator and including a side plate including at least one protrusion; and a fixing part coupled to the second substrate and including at least one hole coupled to at least one protrusion of the support holder.
- the camera device may include an adhesive for coupling the side plate of the support member and the fixing part to each other.
- the fixing part may include a top plate facing the electronic device and a side plate disposed between the top plate and the second substrate, and the support holder may include at least one guide part supporting the side plate of the fixing part.
- the electronic device may be a gyro sensor.
- Each of the first and second substrates may be a rigid substrate, the third substrate may be a flexible substrate, and the third substrate may include a curved portion.
- a camera device includes a lens module including a plurality of lenses; an actuator for moving the lens module in an optical axis direction; and an image sensor disposed to face the lens module, wherein the image sensor includes: a light receiving unit; a micro lens disposed on the light receiving unit and including a convex first curved surface; a blocking filter layer disposed on the convex first curved surface; and a phosphor layer disposed on the blocking filter layer.
- the cut-off filter layer may include a convex second curved surface corresponding to the first convex curved surface, and the phosphor layer may be formed on the convex second curved surface.
- the phosphor layer may include a third convex curved surface corresponding to the second convex curved surface.
- the camera device may include a red filter, a green filter, and a blue filter, and may include a color filter layer disposed between the light receiving unit and the micro lens.
- the color filter layer may include a phosphor.
- the red filter includes K 2 SiF 6 :Mn 4+ or (Sr,Ca)AlSiN 3 :Eu 2+
- the green filter includes Beta-Si (6-z) Al z O z N (8-z) :Eu 2+ or (CsRb)PbBr 3
- the blue filter may include BaMgAl 10 O 17 :Eu 2+ .
- the red filter may include a first quantum dot expressing red
- the green filter may include a second quantum dot expressing green
- the blue filter may include a third quantum dot expressing blue.
- the first quantum dot includes at least one of InP, GaP, or ZnS
- the second quantum dot includes at least one of InP, GaP, and ZnS, or includes at least one of CuInGaS, or ZnS
- the third quantum dot includes at least one of InP, GaP, and ZnS.
- Silver may include at least one of InP, GaP, or ZnS, or may include at least one of CuInGaS or ZnS.
- the camera device may include an anti-reflection layer disposed on the color filter layer.
- the cut-off filter layer may include a first layer and a second layer alternately disposed two or more times, and the refractive index of the first layer and the refractive index of the second layer may be different from each other.
- the first layer may be titanium oxide, and the second layer may be silicon oxide.
- the thickness of the phosphor layer may be greater than or equal to the thickness of the blocking filter layer.
- the cut-off filter layer may be an infrared cut-off filter.
- the phosphor layer may be an up-conversion phosphor layer.
- the camera device may include a circuit board on which the image sensor is disposed, wherein the actuator includes a housing, a bobbin disposed in the housing and coupled to the lens module, and disposed between the housing and the circuit board, the circuit board It may include a base attached to the.
- a camera actuator that suppresses distortion or distortion of the optical member even when the bonding member is coupled through an optical member having a different thickness for each region.
- the embodiment may provide a camera actuator with improved light reflection efficiency through an optical member having a thick thickness in the edge region.
- the actuator for OIS can be efficiently arranged without increasing the overall size of the camera module.
- tilting in the X-axis direction and tilting in the Y-axis direction do not cause magnetic field interference with each other, and tilting in the X-axis direction and tilting in the Y-axis direction can be implemented with a stable structure, and for AF or Even with the actuator for zooming, it does not cause magnetic field interference, so precise OIS function can be realized.
- the embodiment includes a light absorption layer disposed on the lens barrel and the spacer, thereby suppressing play and ghosting, and preventing a decrease in resolution.
- the second substrate can be stably fixed or attached to the support holder by the fixing unit, and stress of the bent or bent portion of the flexible substrate can be minimized, thereby preventing the occurrence of cracks inside the substrate unit. have.
- the embodiment may suppress a change in the position of the gyro sensor due to an external impact or the like, thereby securing the reliability of the gyro sensor.
- the embodiment can prevent micro-cracks from being generated in the bonding portion between the terminals of the second circuit board of the second board part and the second terminals of the first board of the third board part, thereby preventing the electrical connection of the camera device. reliability can be ensured.
- the light loss can be reduced by forming a blocking filter layer directly on the surface of the micro lens unit without using a medium called glass, so that the reduction in light efficiency can be minimized and high-quality image performance can be obtained.
- the embodiment can absorb unnecessary light having a wavelength region close to infrared light, thereby improving the luminous efficiency of visible light.
- the embodiment can secure a clear image by removing noise.
- the embodiment can improve color purity or color quality, thereby realizing a high-quality image.
- FIG. 1 is a perspective view of a camera module according to an embodiment
- FIG. 2 is an exploded perspective view of a camera module according to an embodiment
- FIG. 3 is a cross-sectional view taken along line AA' in FIG. 1;
- FIG. 4 is a perspective view of a first camera actuator according to an embodiment
- FIG. 5 is an exploded perspective view of a first camera actuator according to an embodiment
- FIG. 6 is a perspective view of a first housing in a first camera actuator according to an embodiment
- FIG. 7 is a perspective view of a holder and an optical member of a first camera actuator according to an embodiment
- FIG. 8 is a perspective view of a holder according to an embodiment
- 9 and 10 are side views of a holder according to an embodiment
- FIG. 11 is a top view of a holder according to an embodiment
- FIG. 13 is a view showing a seating surface of the holder according to the embodiment.
- FIG. 14 is a cross-sectional view taken along line OO' in FIG. 13;
- FIG. 15 is a cross-sectional view taken along PP' in FIG. 13;
- FIG. 17 is a perspective view of another example of an optical member according to the embodiment.
- 18a is a cross-sectional view taken along QQ' in FIG. 17;
- 18b is a cross-sectional view taken along line RR' in FIG. 17;
- 18c is a view for explaining the coupling of the holder and the optical member according to the embodiment.
- FIG. 24 is a perspective view of a tilting guide part of the first camera actuator according to the embodiment.
- FIG. 25 is a perspective view in a different direction from that of FIG. 24;
- 26 is a cross-sectional view taken along FF′ in FIG. 24 .
- FIG. 27 is a perspective view of a first camera actuator according to an embodiment
- 29 is a cross-sectional view taken along CC' in FIG. 27;
- FIG. 30 is a view illustrating a first driving unit of a first camera actuator according to an embodiment
- FIG. 31 is a perspective view of a first camera actuator according to an embodiment
- FIG. 33 is an exemplary view of the movement of the first camera actuator shown in FIG. 32;
- FIG. 34 is a perspective view of a first camera actuator according to an embodiment
- 35 is a cross-sectional view taken along line EE' in FIG.
- FIG. 36 is an exemplary view of the movement of the first camera actuator shown in FIG. 35;
- FIG. 37 is a perspective view of a second camera actuator according to the embodiment.
- 39 is a cross-sectional view taken along GG' in FIG. 37;
- FIG. 40 is a cross-sectional view taken along HH' in FIG. 37;
- 41 is a perspective view of a mobile terminal to which a camera module according to an embodiment is applied;
- FIG. 42 is a perspective view of a vehicle to which a camera module according to an embodiment is applied.
- FIG 43 is a first perspective view of a camera device according to an embodiment.
- FIG 44 is a second perspective view of a camera device according to an embodiment.
- 45 is a cross-sectional view taken along the AB direction of the camera device of FIG. 43 .
- FIG. 46 is a perspective view of the first actuator shown in FIG. 43 .
- FIG. 48A is a front perspective view of the holder of the first actuator of FIG. 47 ;
- 48B is a rear perspective view of the holder.
- 48C is a bottom perspective view of the holder.
- 49A is a front perspective view of the first housing
- 49B is a bottom perspective view of the first housing
- 49C is a rear perspective view of the first housing
- 50A is a perspective view of the holder, the drive plate, and the first housing.
- 50B is a perspective view of a holder, a driving plate, an optical member, and a second magnetic body;
- FIG. 51A is a cross-sectional view in the CD direction of the first actuator of FIG. 46 .
- 51B is a cross-sectional view in the EF direction of the first actuator of FIG. 46 .
- FIG 52 is a view for explaining the movement of the electromagnetic force and the driving plate according to the interaction between the first to third OIS magnets and the first to third coil units.
- FIG. 53 is a perspective view of a second actuator and an image sensing unit according to an embodiment
- 54A is a first exploded perspective view of the second actuator and the image sensing unit of FIG. 53 .
- 54B is a second exploded perspective view of the second actuator and the image sensing unit of FIG. 53 .
- 55 is a perspective view of a third substrate unit, a gyro sensor, a fixing unit, and a support holder;
- 57A is a cross-sectional view ab of the second actuator and the image sensing unit of FIG. 53 .
- 57B is a cd cross-sectional view of the second actuator and the image sensing unit of FIG. 53 .
- 58A is a first exploded perspective view of a second actuator
- 58B is a second exploded perspective view of the second actuator
- 59A is a combined perspective view of the lens module and the base coupled to the bobbin.
- FIG. 59B is an exploded perspective view of the lens module, the bobbin, and the base of FIG. 59A;
- FIG. 59C is a cross-sectional view in the ef direction of the lens module, the bobbin, and the base of FIG. 59A.
- FIG. 60 is an enlarged view of the lens module of FIG. 59C.
- 61A is a perspective view of a lens barrel
- 61B shows a third light absorbing layer disposed on the lens barrel.
- 61C is a cross-sectional perspective view of the lens barrel and the third light absorption layer.
- 61D is a cross-sectional view of a lens barrel, a lens array, a spacer, and first to third light absorption layers.
- 62 is a perspective view of a lens module, a bobbin, and a fourth light absorption layer
- 63 is a perspective view of a base and a fifth light absorption layer.
- 64A is an exploded perspective view of a bobbin, a base, and a lens module according to another embodiment
- 64B is a cross-sectional view of the lens array and the sixth light absorption layer of FIG. 64A.
- 65A is a cross-sectional view of a sensor base and a seventh light absorption layer.
- 65B shows experimental results regarding a flare phenomenon with respect to a camera device including a light absorption layer according to an embodiment.
- 66 is a partial perspective view of an image sensor according to an embodiment.
- FIG. 67 is a partial cross-sectional view of the image sensor of FIG. 66 .
- FIG. 68 shows an embodiment of the cut-off filter layer and the phosphor layer of FIG. 67 .
- 69 is a partial cross-sectional view of an image sensor according to another exemplary embodiment.
- 70 is a cross-sectional view of a camera device according to another exemplary embodiment.
- 71 is a perspective view of an optical device according to an embodiment.
- FIG. 72 is a block diagram of the optical device shown in FIG. 71 .
- Terms including an ordinal number such as second, first, etc. may be used to describe various elements, but the elements are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
- the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.
- a camera device may perform a handshake correction function and an auto-focusing function.
- the 'shake correction function' may be a function of moving the lens in a direction perpendicular to the optical axis direction or tilting the lens based on the optical axis to cancel vibration (or movement) caused by the user's hand shake.
- the 'auto-focusing function' may be a function of automatically focusing on the subject by moving the lens in the optical axis direction according to the distance of the subject in order to obtain a clear image of the subject on the image sensor.
- a fixed zoom function may be performed, which may be a zooming function for photographing by increasing the magnification of a distant subject through a zoom lens.
- camera device may be replaced with “camera”, “capturing device”, “camera module”, or “camera”.
- FIG. 1 is a perspective view of a camera module according to an embodiment
- FIG. 2 is an exploded perspective view of a camera module according to the embodiment
- FIG. 3 is a cross-sectional view taken along line AA′ in FIG. 1 .
- the camera module 1000 may include a cover CB, a first camera actuator 1100, a second camera actuator 1200, and a circuit board 1300.
- the first camera actuator 1100 may be used as a first actuator
- the second camera actuator 1200 may be used as a second actuator.
- the cover CB may cover the first camera actuator 1100 and the second camera actuator 1200 .
- the coupling force between the first camera actuator 1100 and the second camera actuator 1200 may be improved by the cover CB.
- the cover CB may be made of a material that blocks electromagnetic waves. Accordingly, the first camera actuator 1100 and the second camera actuator 1200 in the cover CB can be easily protected.
- the first camera actuator 1100 may be an optical image stabilizer (OIS) actuator.
- OIS optical image stabilizer
- the first camera actuator 1100 may include a lens disposed in a predetermined barrel (not shown).
- the lenses may include fixed focal length les. Fixed focal length les may also be referred to as “single focal length lenses” or “single focal length lenses”.
- the first camera actuator 1100 may change the path of the light.
- the first camera actuator 1100 may vertically change the optical path through an internal optical member (eg, a mirror or a prism).
- an internal optical member eg, a mirror or a prism.
- the second camera actuator 1200 may be disposed behind the first camera actuator 1100 .
- the second camera actuator 1200 may be coupled to the first camera actuator 1100 . And the mutual coupling may be made by various methods.
- the second camera actuator 1200 may be a zoom actuator or an auto focus (AF) actuator.
- the second camera actuator 1200 may support one or a plurality of lenses and may perform an auto focusing function or a zoom function by moving the lenses according to a control signal from a predetermined controller.
- the circuit board 1300 may be disposed behind the second camera actuator 1200 .
- the circuit board 1300 may be electrically connected to the second camera actuator 1200 and the first camera actuator 1100 . Also, there may be a plurality of circuit boards 1300 .
- the circuit board 1300 is connected to the second housing of the second camera actuator 1200, and an image sensor may be provided. Furthermore, the base part including the filter may be seated on the circuit board 1300 . This will be described later.
- the camera module according to the embodiment may be formed of a single or a plurality of camera modules.
- the plurality of camera modules may include a first camera module and a second camera module.
- the first camera module may include a single or a plurality of actuators.
- the first camera module may include a first camera actuator 1100 and a second camera actuator 1200 .
- the second camera module may be disposed in a predetermined housing (not shown) and include an actuator (not shown) capable of driving the lens unit.
- the actuator may be a voice coil motor, a micro actuator, a silicon actuator, etc., and may be applied in various ways such as an electrostatic method, a thermal method, a bimorph method, an electrostatic force method, and the like, but is not limited thereto.
- the camera actuator may be referred to as an actuator or the like.
- a camera module including a plurality of camera modules may be mounted in various electronic devices such as a mobile terminal.
- the camera module may include a first camera actuator 1100 performing an OIS function and a second camera actuator 1200 performing a zooming function and an AF function.
- Light may be incident into the camera module through the opening area located on the upper surface of the first camera actuator 1100 . That is, the light may be incident into the interior of the first camera actuator 1100 along the optical axis direction (eg, the X-axis direction), and the optical path may be changed in the vertical direction (eg, the Z-axis direction) through the optical member. In addition, the light may pass through the second camera actuator 1200 and be incident to the image sensor IS located at one end of the second camera actuator 1200 (PATH).
- the optical axis direction eg, the X-axis direction
- the optical path may be changed in the vertical direction (eg, the Z-axis direction) through the optical member.
- the light may pass through the second camera actuator 1200 and be incident to the image sensor IS located at one end of the second camera actuator 1200 (PATH).
- the bottom surface means one side in the first direction.
- the first direction is the X-axis direction in the drawing, and may be used interchangeably with the second axis direction.
- the second direction is the Y-axis direction in the drawing and may be used interchangeably with the first axis direction.
- the second direction is a direction perpendicular to the first direction.
- the third direction is the Z-axis direction in the drawing, and may be used interchangeably with the third axis direction. The direction is perpendicular to both the first direction and the second direction.
- the third direction (Z-axis direction) corresponds to the direction of the optical axis
- the first direction (X-axis direction) and the second direction (Y-axis direction) are directions perpendicular to the optical axis and are tilted by the second camera actuator.
- the optical axis direction corresponds to the optical path and the third direction (Z axis direction) will be described below based on this.
- the camera module according to the embodiment may improve the spatial limitation of the first camera actuator and the second camera actuator by changing the path of light. That is, the camera module according to the embodiment may extend the optical path while minimizing the thickness of the camera module in response to the change in the path of the light. Furthermore, it should be understood that the second camera actuator may provide a high range of magnification by controlling a focus or the like in the extended optical path.
- the camera module according to the embodiment may implement OIS through control of the optical path through the first camera actuator, thereby minimizing the occurrence of a decent or tilt phenomenon, and providing the best optical characteristics.
- the second camera actuator 1200 may include an optical system and a lens driver.
- a lens driver for example, at least one of a first lens assembly, a second lens assembly, a third lens assembly, and a guide pin may be disposed.
- the second camera actuator 1200 may include a coil and a magnet to perform a high-magnification zooming function.
- the first lens assembly and the second lens assembly may be a moving lens that moves through a coil, a magnet, and a guide pin
- the third lens assembly may be a fixed lens, but is not limited thereto.
- the third lens assembly may perform a function of a concentrator to image light at a specific position, and the first lens assembly may re-image an image formed by the third lens assembly, which is a concentrator, to another location. It can perform the function of a variable (variator). Meanwhile, in the first lens assembly, the distance to the subject or the image distance is changed a lot, so the magnification change may be large, and the first lens assembly as the variable magnification may play an important role in changing the focal length or the magnification of the optical system.
- the image formed in the first lens assembly which is a variable changer
- the second lens assembly may perform a position compensation function for the image formed by the variable magnifier.
- the second lens assembly may perform a compensator function that accurately forms an image formed by the first lens assembly, which is a variable changer, at an actual image sensor position.
- the first lens assembly and the second lens assembly may be driven by electromagnetic force due to an interaction between a coil and a magnet. The above description may be applied to a lens assembly to be described later.
- the actuator for OIS eg. the first camera actuator
- the actuator for AF or zoom eg. the second camera actuator
- the magnetic field between the magnet for AF or Zoom during OIS driving Interference can be avoided. Since the driving magnet of the first camera actuator 1100 is disposed separately from the second camera actuator 1200, magnetic field interference between the first camera actuator 1100 and the second camera actuator 1200 can be prevented.
- OIS may be used interchangeably with terms such as hand shake correction, optical image stabilization, optical image correction, and image stabilization.
- FIG. 4 is a perspective view of a first camera actuator according to an embodiment
- FIG. 5 is an exploded perspective view of the first camera actuator according to an embodiment.
- the first camera actuator 1100 includes a shield can 1110 , a first housing 1120 , a mover 1130 , a rotating unit 1140 , and a first driving unit 1150 .
- the mover 1130 may include a holder 1131 and an optical member 1132 seated on the holder 1131 .
- the mover 11310 , the holder 1131 , and the optical member 1132 may be located in the housing 1120 .
- the rotating unit 1140 includes a first magnetic body 1142 and a second magnetic body 1143 that are spaced apart from each other with the tilting guide part 1141 and the tilting guide part 1141 interposed therebetween, and having a coupling force.
- the first driving unit 1150 includes a driving magnet 1151 (eg, a first driving magnet), a driving coil 1152 (eg, a first driving coil), a yoke unit (not shown), and a hall sensor unit 1153 . ) and a first substrate part 1154 .
- the shield can 1110 may be positioned on the outermost side of the first camera actuator 1100 to surround the rotating part 1140 and the first driving part 1150 to be described later.
- the shield can 1110 may block or reduce electromagnetic waves generated from the outside. Accordingly, the occurrence of a malfunction in the rotating unit 1140 or the first driving unit 1150 may be reduced.
- the first housing 1120 may be located inside the shield can 1110 .
- the first housing 1120 may be located inside the first substrate unit 1154 to be described later.
- the first housing 1120 may be fitted or fitted with the shield can 1110 to be fastened.
- the third direction corresponds to the direction of the optical axis
- the first direction (X-axis direction) and the second direction (Y-axis direction) are directions perpendicular to the optical axis and the first camera It can be tilted by an actuator.
- the first housing 1120 may include a first housing side 1121 , a second housing side 1122 , a third housing side 1123 , and a fourth housing side 1124 .
- the first housing side 1121 and the second housing side 1122 may be disposed to face each other. Also, the third housing side 1123 and the fourth housing side 1124 may be disposed between the first housing side 1121 and the second housing side 1122 .
- the third housing side 1123 may abut the first housing side 1121 , the second housing side 1122 , and the fourth housing side 1124 .
- the third housing side 1123 may be a bottom surface of the first housing 1120 .
- first housing side 1121 may include a first housing hole 1121a.
- a first coil 1152a to be described later may be positioned in the first housing hole 1121a.
- the second housing side 1122 may include a second housing hole 1122a.
- a second coil 1152b to be described later may be positioned in the second housing hole 1122a.
- the first coil 1152a and the second coil 1152b may be coupled to the first substrate unit 1154 .
- the first coil 1152a and the second coil 1152b may be electrically connected to the first substrate unit 1154 so that current may flow.
- This current is a component of electromagnetic force that allows the first camera actuator to tilt with respect to the X-axis.
- the third housing side 1123 may include a third housing hole 1123a.
- a third coil 1152c to be described later may be positioned in the third housing hole 1123a.
- the third coil 1152 may be coupled to the first substrate unit 1154 .
- the third coil 1152c may be electrically connected to the first substrate unit 1154 so that current may flow. This current is a component of the electromagnetic force that allows the first camera actuator to tilt with respect to the Y-axis.
- the fourth housing side 1124 may include a housing groove 1124a. That is, the housing groove 1124a may be located on at least one of an outer surface or an inner surface of the fourth housing side 1124 .
- a second magnetic body 1143 may be disposed in the housing groove 1124a.
- the first magnetic body 1142 may be positioned to correspond to the second magnetic body 1143 with the tilting guide part 1141 interposed therebetween. Accordingly, the first housing 1120 may be coupled to the tilting guide unit 1141 and the mover 1130 by magnetic force by the first magnetic body 1142 and the second magnetic body 1143 .
- first housing 1120 may include a receiving portion 1125 formed by the first housing side portion 1121 to the fourth housing side portion 1124 .
- a mover 1130 may be positioned in the receiving part 1125 .
- the mover 1130 includes a holder 1131 and an optical member 1132 mounted on the holder 1131 .
- the holder 1131 and the optical member 1132 may be seated in the receiving part 1125 of the first housing 1120 .
- the holder 1131 includes the first holder outer surface corresponding to the first housing side 1121 , the second housing side 1122 , the third housing side 1123 , and the fourth housing side 1124 respectively to the fourth holder and others. side may be included.
- the first driving coil 1152 may be positioned in a seating groove formed on the outer surface of the holder 1131 . A detailed description thereof will be given later.
- the optical member 1132 may be seated on the holder 1131 .
- the holder 1131 may have a seating surface, and the seating surface may be formed by a receiving groove.
- the optical member 1132 may include a reflector disposed therein.
- the present invention is not limited thereto.
- the optical member 1132 may reflect light reflected from the outside (eg, an object) into the camera module.
- the optical member 1132 may improve the spatial limitation of the first camera actuator and the first camera actuator by changing the path of the reflected light.
- the camera module may extend the optical path while minimizing thickness to provide a high range of magnification.
- the rotating part 1140 includes the tilting guide part 1141, the first magnetic body 1142 having a coupling force with the tilting guide part 1141, the tilting guide part 1141, or the first located in the housing (particularly, the fourth housing side).
- Two magnetic materials 1143 may be included.
- the first magnetic body 1142 and the second magnetic body 1143 are located in the mover 1130 , the tilting guide part 1141 and the housing 1120 , and the housing 1120 , the tilting guide part 1141 and the mover 1130 . ) can provide a bonding force between
- the tilting guide unit 1141 may be coupled to the above-described mover 1130 and the first housing 1120 .
- the tilting guide unit 1141 may be disposed adjacent to the optical axis. Accordingly, the actuator according to the embodiment can easily change the optical path according to the first and second axis tilt to be described later.
- the tilting guide part 1141 may include a first protrusion spaced apart in a first direction (X-axis direction) and a second protrusion spaced apart in a second direction (Y-axis direction). Also, the first protrusion and the second protrusion may protrude in opposite directions. A detailed description thereof will be given later.
- the first magnetic body 1142 may be located in the outer surface of the holder 1131 .
- the first magnetic body 1142 may be located on the outer surface of the fourth holder of the holder 1131 .
- the second magnetic body 1143 may be positioned in the housing groove 1124a of the fourth housing side 1124 .
- the tilting guide unit 1141 by the magnetic force (eg, attractive force) between the first magnetic body 1142 and the second magnetic body 1143 is between the holder 1131 and the housing 1120 between the holder 1131 and the It may be pressed by the housing 1120 . Accordingly, the tilting guide part 1141 and the holder 1131 in the housing 1120 may be spaced apart from the bottom surface of the housing in the receiving part 1125 . That is, the tilting guide unit 1141 and the holder 1131 may be coupled to the housing 1120 .
- the first magnetic body 1142 and the second magnetic body 1143 may be magnets of different or the same polarity, or may be a yoke, and may be made of a material having attractive or repulsive force.
- the first driving unit 1150 includes a driving magnet 1151 , a driving coil 1152 , a yoke unit (not shown), a hall sensor unit 1153 , and a first substrate unit 1154 .
- the first driving unit 1150 may move, rotate, or tilt the mover 1130 .
- the driving magnet 1151 may include a plurality of magnets.
- the driving magnet 1151 may include a first magnet 1151a, a second magnet 1151b, and a third magnet 1151c.
- the first magnet 1151a , the second magnet 1151b , and the third magnet 1151c may be located on the outer surface of the holder 1131 , respectively.
- the first magnet 1151a and the second magnet 1151b may be positioned to face each other.
- the third magnet 1151c may be located on the bottom surface of the holder 1131 , that is, on the outer surface of the third holder. A detailed description thereof will be given later.
- the driving coil 1152 may include a plurality of coils.
- the driving coil 1152 may include a first coil 1152a , a second coil 1152b , and a third coil 1152c .
- the first coil 1152a may be positioned to correspond to the first magnet 1151a. That is, the first coil 1152a may be disposed to face the first magnet 1151a. Accordingly, the first coil 1152a may be positioned in the first housing hole 1121a of the first housing side 1121 as described above.
- the second coil 1152b may be positioned to correspond to the second magnet 1151b. That is, the second coil 1152b may be disposed to face the second magnet 1151b. Accordingly, the second coil 1152b may be positioned in the second housing hole 1122a of the second housing side 1122 as described above.
- the first coil 1152a may be positioned to face the second coil 1152b. That is, the first coil 1152a may be positioned symmetrically with the second coil 1152b in the first direction (X-axis direction). This may be equally applied to the first magnet 1151a and the second magnet 1151b. That is, the first magnet 1151a and the second magnet 1151b may be symmetrically positioned with respect to the first direction (X-axis direction). Also, the first coil 1152a , the second coil 1152b , the first magnet 1151a , and the second magnet 1151b may be disposed to overlap at least partially in the second direction (Y-axis direction). With this configuration, the X-axis tilting can be accurately performed without inclination to one side by the electromagnetic force between the first coil 1152a and the first magnet 1151a and the electromagnetic force between the second coil 1152b and the second magnet 1151b. .
- the third coil 1152c may be positioned to correspond to the third magnet 1151c.
- the third coil 1152c may be located in the third housing hole 1123a of the third housing side 1123 .
- the third housing hole 1123a may have a different area from the first housing hole and the second housing hole. Accordingly, Y-axis tilting through the third coil 1152c may be easily performed.
- the Greek third coil 1152c may be positioned at a bisecting point between the first coil 1152a and the second coil 1152b. With this configuration, the Y-axis tilting can be performed in a balanced manner without being inclined to one side due to the electromagnetic force generated by the current flowing through the third coil 1152c.
- the yoke unit may be positioned between the driving magnet 1151 and the holder 1131 .
- the yoke portion (not shown) is positioned on the first and second outer surfaces of the holder 1131 so that the driving magnet is easily coupled to the holder 1131 .
- the yoke unit (not shown) may be disposed in a seating groove positioned on the outer surface of the holder, and may have an attractive force with the driving magnet 1151 . That is, the yoke unit (not shown) may improve the coupling force between the driving magnet 1151 and the holder 1131 .
- the Hall sensor unit 1153 may include a plurality of Hall sensors.
- the Hall sensor unit 1153 may include a first Hall sensor 1153a and a second Hall sensor 1153b.
- the first Hall sensor 1153a may be located inside or outside the first coil 1152a or the second coil 1152b.
- the first Hall sensor 1153a may detect a change in magnetic flux inside the first coil 1152a or the second coil 1152b. Accordingly, the first Hall sensor 1153a may perform position sensing of the first and second magnets 1151a and 1251b.
- the second Hall sensor 1153b may be located inside or outside the third coil 1152c.
- the second Hall sensor 1153b may perform position sensing of the third coil 1152c.
- the first camera actuator according to the embodiment may control the X-axis or Y-axis tilt through this.
- the hall sensor unit may be formed of a plurality of sensors.
- the first substrate unit 1154 may be located under the first driving unit 1150 .
- the first substrate unit 1154 may be electrically connected to the driving coil 1152 and the Hall sensor unit 1153 .
- a current is applied to the driving coil 1152 through the first substrate unit 1154 , and accordingly, the mover 1130 may be tilted along the X-axis or the Y-axis.
- the first substrate unit 1154 may be coupled to the driving coil 1152 and the Hall sensor unit 1153 by SMT. However, it is not limited to this method.
- the first substrate unit 1154 may be positioned between the shield can 1110 and the first housing 1120 to be coupled to the shield can and the first housing 1120 .
- the coupling method may be variously made as described above.
- the driving coil 1152 and the Hall sensor unit 1153 may be located in the outer surface of the first housing 1120 through the coupling.
- the first board unit 1154 includes a circuit board having a wiring pattern that can be electrically connected, such as a rigid printed circuit board (Rigid PCB), a flexible printed circuit board (Flexible PCB), and a rigid flexible printed circuit board (RigidFlexible PCB). can do. However, it is not limited to this type.
- FIG. 6 is a perspective view of a first housing in a first camera actuator according to an embodiment.
- the first housing 1120 may include a first housing side 1121 , a second housing side 1122 , a third housing side 1123 , and a fourth housing side 1124 .
- the first housing side 1121 and the second housing side 1122 may be disposed to face each other. Also, the third housing side 1123 and the fourth housing side 1124 may be disposed between the first housing side 1121 and the second housing side 1122 .
- the third housing side 1123 may abut the first housing side 1121 , the second housing side 1122 , and the fourth housing side 1124 .
- the third housing side 1123 may be a bottom surface of the first housing 1120 .
- first housing side 1121 may include a first housing hole 1121a.
- a first coil 1152a to be described later may be positioned in the first housing hole 1121a.
- the second housing side 1122 may include a second housing hole 1122a.
- a second coil 1152b to be described later may be positioned in the second housing hole 1122a.
- the second housing side 1122 or the first housing side 1121 may include a control element groove 1121b.
- the second housing side 1122 may include a control element groove 1121b.
- a driver, a control element, a processor, etc. electrically connected to the substrate may be located in the control element groove 1121b.
- the first coil 1152a and the second coil 1152b may be coupled to the first substrate unit 1154 .
- the first coil 1152a and the second coil 1152b may be electrically connected to the first substrate unit 1154 so that current may flow.
- This current is a component of electromagnetic force that allows the first camera actuator to tilt with respect to the X-axis.
- the third housing side 1123 may be disposed between the first housing side 1121 and the second housing side 1122 .
- the third housing side portion 1123 may be a bottom portion of the housing 1120 .
- a third coil 1152c is positioned in the third housing hole 1123a of the third housing side 1123, and the current flowing through the third coil 1152c is an electromagnetic force capable of tilting the first camera actuator based on the Y-axis. is an element of
- the fourth housing side 1124 may include a housing groove 1124a.
- the above-described second magnetic material may be seated in the housing groove 1124a. Accordingly, the first housing 1120 may be coupled to the tilting guide unit and the holder by magnetic force or the like.
- the fourth housing side 1124 may include a second protrusion groove PH2 that is spaced apart and symmetrically disposed with respect to the housing groove 1124a.
- the second protrusion groove PH2 is plural, and the second protrusion of the tilting guide part may be seated therein.
- a plurality of first protrusion grooves PH1 overlap in a first direction (X-axis direction)
- a plurality of second protrusion grooves overlap in a second direction (Y-axis direction).
- the positions of the first protrusion groove and the second protrusion groove may also be changed to correspond to the positions of the first protrusion and the second protrusion.
- the fourth housing side 1124 and the fifth housing side 1125 are disposed to face each other, and may be disposed between the first housing side 1121 and the second housing side 1122 .
- first housing side portion 1121 and the second housing side portion 1122 may include a protrusion receiving groove G2 formed to be convex inwardly or toward the third direction on the side surface.
- the protrusion accommodating groove G2 includes a first protrusion accommodating groove G2a and a second protrusion accommodating groove G2b, and will be described below based on this.
- the first housing side portion 1121 may include a first protrusion receiving groove G2a formed inwardly on the side surface.
- the first protrusion receiving groove G2a may be disposed on a surface of the first housing side portion 1121 in contact with the fourth housing side portion 1124 .
- the first protrusion accommodating groove G2a may be positioned to correspond to the first accommodating protrusion G1a of the fourth housing side 1124 to be described later.
- the second housing side portion 1122 may include a second protrusion receiving groove (G2b) formed inwardly on the side surface.
- the second protrusion receiving groove G2b may be disposed on a surface of the second housing side portion 1122 in contact with the fourth housing side portion 1124 .
- the second protrusion accommodating groove G2b may be positioned to correspond to the second accommodating protrusion G1b of the fourth housing side 1124 .
- the fourth housing side portion 1124 may include a receiving protrusion G1 on the inner surface.
- the receiving protrusion G1 may include a first receiving protrusion G1a and a second receiving protrusion G1b.
- the first receiving protrusion G1a may be positioned on a surface where the first housing extension 1124b and the first housing side portion 1121 contact each other.
- the second receiving protrusion G1b may be positioned on a surface where the second housing extension part 1124c and the second housing side part 1122 contact each other.
- the first accommodating protrusion G1a and the second accommodating protrusion G1b may be arranged side by side in the second direction (Y-axis direction). That is, the first accommodating protrusion G1a and the second accommodating protrusion G1b may overlap in the second direction (Y-axis direction).
- the first accommodating protrusion G1a may be positioned to correspond to the first protrusion accommodating groove G2a as described above.
- the second accommodating protrusion G1b may be positioned to correspond to the second protrusion accommodating groove G2b as described above.
- the fourth housing side 1124 may be integrally or separately coupled to the first housing side 1121 and the second housing side 1122 .
- the fifth housing side 1125 may be disposed to face the fourth housing side 1124 .
- the fifth housing side 1125 may include an opening 1125a. Accordingly, light passing through or reflected from the optical member may move through the opening 1125a.
- the fifth housing side portion 1125 may include a housing protrusion 1125b.
- the housing protrusion 1125b may protrude outward.
- the housing 1120 may be coupled to the first camera actuator disposed outside through the housing protrusion 1125b. Accordingly, the reliability of the camera module may be improved.
- the fifth housing side portion 1125 may include a pattern portion (not shown) having a protrusion 1125b and a pattern around the housing protrusion 1125b.
- the pattern part (not shown) may be positioned to be stepped inward than the housing protrusion 1125b. That is, the pattern portion (not shown) may be located inside the housing protrusion 1125b.
- An adhesive member may be applied to the pattern portion (not shown). Accordingly, the contact area of the adhesive member with the fifth housing side part 1125 on the pattern part (not shown) may increase. Accordingly, the coupling force between the second actuator (or the housing 1120 ) and the first actuator may be increased.
- the housing 1120 may include a receiving portion 1126 formed inside by the first to fifth housing side portions 1121 to 1225 .
- the mover 1130 and the rotation plate 1140 may be located in the receiving part 1126 .
- a mover 1130 may be positioned in the receiving part 1125 .
- FIG. 7 is a perspective view of a holder and an optical member of a first camera actuator according to an embodiment.
- the optical member 1132 may be seated on the holder.
- the optical member 1132 may be a right-angle prism as a reflection unit, but is not limited thereto.
- the optical member 1132 may have a protrusion (not shown) on a portion of the outer surface.
- the optical member 1132 may be easily coupled to the holder through a protrusion (not shown).
- the holder since the holder has a groove or a protrusion, it may be coupled to the optical member 1132 .
- the optical member 1132 may have a bottom surface 1132b mounted on a seating surface of the holder. Accordingly, the bottom surface 1132b of the optical member 1132 may correspond to the seating surface of the holder. In an embodiment, the bottom surface 1132b may be formed of an inclined surface similar to the seating of the holder. Accordingly, it is possible to prevent the optical member 1132 from being separated from the holder according to the movement of the prism and the movement according to the movement of the holder.
- a groove or protrusion is formed on the bottom surface 1132b of the optical member 1132 and a bonding member is applied, so that the optical member 1132 can be coupled to the holder.
- the holder may be coupled to the optical member 1132 by applying a bonding member to the groove or protrusion of the holder.
- the optical member 1132 may have a structure capable of reflecting light reflected from the outside (eg, an object) into the camera module.
- the optical member 1132 may be formed of a single mirror.
- the optical member 1132 may improve the spatial limitation of the first camera actuator and the second camera actuator by changing the path of the reflected light.
- the camera module may extend the optical path while minimizing thickness to provide a high range of magnification.
- the camera module including the camera actuator according to the embodiment may provide a high range of magnification by extending the optical path while minimizing the thickness.
- FIGS. 9 and 10 are side views of the holder according to the embodiment
- FIG. 11 is a top view of the holder according to the embodiment
- FIG. 12 is the holder according to the embodiment It is a bottom view.
- the holder 1131 may include a seating surface 1131k on which the optical member is seated.
- the seating surface 1131k may be an inclined surface.
- the holder 1131 may include a chin portion (not shown) disposed on the upper or lower portion of the seating surface 1131k.
- a jaw prevents movement of the optical member 1132 , thereby improving the coupling force between the optical member 1132 and the holder 1131 .
- a plurality of protrusions or grooves may be disposed on the seating surface 1131k. A bonding member may be applied to these protrusions or grooves. Accordingly, the optical member may be easily coupled to the seating surface 1131k.
- the seating surface 1131k may include a seating protrusion 1131p protruding toward the upper portion or the optical member.
- the seating protrusion 1131p may be disposed on the edge of the seating surface 1131k.
- a bonding member may be disposed on the seating protrusion 1131p. Accordingly, the seating protrusion 1131p of the seating surface 1131k and the optical member may be coupled to each other by the bonding member.
- the holder 1131 may include a holder stopper extending upwardly on the upper surface.
- the holder stopper may operate as a stopper for tilting in the first direction (X-axis direction) or the second direction (Y-axis direction).
- the holder 1131 may include a cavity CV.
- the cavity CV may be positioned between the first holder outer surface 1131S1 and the second holder outer surface 1131S2 to be described later.
- the optical member may be seated in the cavity CV.
- the holder 1131 may include a holder groove 1131h that at least partially penetrates or extends through the holder 1131 in the second direction (Y-axis direction).
- the holder groove 1131h is symmetrical with the control element hole in the second direction (Y-axis direction), so that heat dissipation efficiency with respect to the heat generated by the control element may be improved. Furthermore, since the weight of the holder 1131 is reduced by the holder groove 1131h, the driving efficiency for the X-axis or Y-axis tilt of the mover can be improved.
- the holder groove 1131h may be a groove as shown, but may be a hole as a modified example.
- the holder 1131 may include a plurality of outer surfaces.
- the holder 1131 may include a first holder outer surface 1131S1 , a second holder outer surface 1131S2 , a third holder outer surface 1131S3 , and a fourth holder outer surface 1131S4 .
- the first holder outer surface 1131S1 may be positioned to face the second holder outer surface 1131S2 . That is, the first holder outer surface 1131S1 may be symmetrically disposed with respect to the second holder outer surface 1131S2 and the first direction (X-axis direction).
- the first holder outer surface 1131S1 may be positioned to face the first housing side portion 1121 .
- the second holder outer surface 1131S2 may be positioned to face the second housing side portion 1122 .
- first holder outer surface 1131S1 may include a first seating groove 1131S1a.
- second holder outer surface 1131S2 may include a second seating groove 1131S2a.
- the first seating groove 1131S1a and the second seating groove 1131S2a may be symmetrically disposed with respect to the first direction (X-axis direction).
- a first magnet may be disposed in the first seating groove 1131S1a, and a second magnet may be disposed in the second seating groove 1131S2a.
- the first magnet and the second magnet may also be symmetrically disposed with respect to the first direction (X-axis direction).
- the electromagnetic force induced by the magnets is applied to the first holder outer surface S1231S1 and the second holder outer surface 1131S2 on the same axis.
- a region eg, a portion having the strongest electromagnetic force
- a region applied on the second holder outer surface S1231S2 eg, a portion having the strongest electromagnetic force
- It may be positioned on an axis parallel to the second direction (Y-axis direction).
- the third holder outer surface 1131S3 is in contact with the first holder outer surface 1131S1 and the second holder outer surface 1131S2, and in the second direction from the first holder outer surface 1131S1 and the second holder outer surface 1131S2 It may be an outer surface extending in the (Y-axis direction). Also, the third holder outer surface 1131S3 may be positioned between the first holder outer surface 1131S1 and the second holder outer surface 1131S2 .
- the third holder outer surface 1131S3 may be a bottom surface of the holder 1131 .
- the third holder outer surface 1131S3 may be positioned to face the third housing side.
- the third holder outer surface 1131S3 may include an extension stopper (not shown) extending downward. Accordingly, the holder 1131 sets the limit of the range in which the holder 1131 moves in the Y-axis tilt or the first direction (X-axis direction) or moves up and down, and at the same time, it is possible to prevent damage due to the movement of the holder 1131. can
- the third holder outer surface 1131S3 may include a third seating groove 1131S3a.
- a third magnet may be disposed in the third seating groove 1131S3a.
- the area of the third seating groove 1131S3a may be different from the area of the first seating groove 1131S1a and the second seating groove 1131S2b.
- An area of the third seating groove 1131S3a may be larger than an area of the first seating groove 1131S1a and the second seating groove 1131S2b. Accordingly, rotation in the first direction (X-axis direction) or tilting in the second direction (Y-axis direction) may be easily performed through the third magnet disposed in the third seating groove 1131S3a.
- the fourth holder outer surface 1131S4 is in contact with the first holder outer surface 1131S1 and the second holder outer surface 1131S2, and extends in the first direction (X-axis direction) from the third holder outer surface 1131S3 can be side. Also, the fourth holder outer surface 1131S4 may be positioned between the first holder outer surface 1131S1 and the second holder outer surface 1131S2 . The fourth holder outer surface 1131S4 may be disposed on the third holder outer surface 1131S3 . Furthermore, the fourth holder outer surface 1131S4 may be adjacent to the tilting guide part.
- the fourth holder outer surface 1131S4 may include a fourth seating groove 1131S4a.
- the first magnetic body may be seated in the fourth seating groove 1131S4a.
- the fourth seating groove 1131S4a may be positioned to face the first surface of the tilting guide part.
- the fourth holder outer surface 1131S4 may include a first protrusion groove PH1 spaced apart from the fourth seating groove 1131S4a in the first direction (X-axis direction).
- the first protrusion of the tilting guide part may be seated in the first protrusion groove PH1.
- the holder 1131 may be tilted along the X-axis based on the first protrusion. Furthermore, the holder 1131 may be tilted along the Y-axis with respect to the second protrusion.
- the first protrusion groove PH1 is plural as described above, and may overlap in the first direction (X-axis direction). Accordingly, when the mover is rotated in the X-axis tilt or the second direction (Y-axis direction), it can be accurately performed without inclination to one side. In an embodiment, the OIS function may be accurately performed.
- the bottom surface of the cavity CV may correspond to the seating surface 1131k. That is, the cavity may be surrounded by the first holder outer surface 1131S1 , the second holder outer surface 1131S2 , the fourth holder outer surface 1131S4 , and the seating surface 1131k. Accordingly, the optical member may be surrounded by the first holder outer surface 1131S1 , the second holder outer surface 1131S2 , the third holder outer surface 1131S3 , and the fourth holder outer surface 1131S4 .
- FIG. 13 is a view showing a seating surface of the holder according to the embodiment
- FIG. 14 is a cross-sectional view taken at OO' in FIG. 13
- FIG. 15 is a cross-sectional view taken along PP' in FIG. 13
- FIG. 16 is an embodiment It is a view for explaining the combination of the holder and the optical member according to,
- the bonding member BM may be disposed between the seating surface 1131k of the holder 1131 and the optical member 1132 as described above. Accordingly, the bonding member BM may couple the holder 1131 and the optical member 1132 to each other.
- the optical member 1132 may include a reflective surface, an incident surface, and a transmission surface.
- the incident surface and the transmission surface may be the same or different surfaces.
- the reflective surface may be a surface facing the seating surface 1131k.
- the optical member 1132 may further include a coating layer CM disposed on the reflective surface.
- a coating layer may be disposed on the reflective surface of the optical member 1132 .
- the optical member 1132 will be described on the basis of including the coating layer (CM) disposed on the reflective surface.
- the coating layer CM may be formed of various reflective materials.
- the coating layer CM may be formed of a plurality of layers.
- the coating layer CM may be positioned on a reflective surface or a surface in contact with the seating surface of the optical member 1132 . Accordingly, the coating layer CM may be disposed between the optical member 1132 and the seating surface.
- the coating layer CM includes the first layer LY1 having the largest separation distance from the bonding member, and the second layer LY2, the third layer LY3 and the fourth layer LY4 in which the separation distance is sequentially decreased.
- each of the layers LY1 to LY4 of the coating layer CM may be made of a SiO x or TiO y material (where x and y are greater than 0).
- the optical member 1131 may change the path of the light incident through the coating layer CM.
- the coating layer CM may reflect incident light by changing it in a vertical direction.
- the coating layer CM may include a first area SA1 in contact with the bonding member BM and a second area SA2 that is an area other than the first area SA1 .
- the optical member 1132 may include a first area SA1 in contact with the bonding member BM and a second area SA2 that is an area other than the first area SA1 .
- the first layer LY1 and the second layer LY2 may be common to the first area SA1 and the second area SA2 .
- the third layer LY3 and the fourth layer LY4 may be disposed only in the first area SA1 .
- the thickness th1 of the coating layer CM in the first area SA1 may be greater than the thickness th2 of the coating layer CM in the second area SA2 .
- the coating groove CMh may be formed on the surface of the coating layer CM facing the seating surface 1131k due to the above-described thickness difference.
- the coating groove CMh may correspond to the shape of the second area SA2 or the seating protrusion 1131p or the outer area EA. That is, the coating groove CMh may be at least partially displaced from the second area SA2 or the seating protrusion 1131p or the outer area EA.
- the volume of the bonding member BM may be reduced by thermal curing.
- An attractive force may act on the first area SA1 due to the reduction in the volume of the bonding member BM.
- distortion or warpage may occur between the first area SA1 and the second area SA2 .
- the coating layer CM generates a warpage due to a difference in thickness between the first area SA1 which is an area in contact with the bonding member BM and the second area SA2 which is an area other than the first area SA1. can be suppressed. Therefore, the camera actuator according to the embodiment may prevent an optical path error or a reduction in resolution due to distortion or distortion of the optical member 1132 .
- a part of the bonding member BM may be positioned under the first area SA1 , and the other part may be positioned under the second area SA2 .
- the bonding member BM may contact any one of the second area SA2 or the seating surface 1131k of the coating layer CM.
- the bonding member BM may be applied to the seating protrusion 1131p.
- the bonding member BM may be positioned on the seating surface 1131k and spaced apart from the second area SA2. That is, in the lower portion of the second area SA2 , the bonding member BM may reduce the generation of attractive forces on the seating surface 1131k and the optical member 1132 . Accordingly, it is possible to minimize distortion in the inner area IA in which light reflection is greater than that of the edge area EA, which will be described later. With this configuration, the camera actuator according to the embodiment may prevent a reduction in resolution.
- the seating surface 1131k may correspond to the reflective surface of the optical member 1132 .
- the reflective surface may be a bottom surface of the optical member 1132 .
- the reflective surface may be a surface on which the optical member 1132 faces the seating surface 1131k.
- the seating surface 1131k may include an edge area EA and an inner area IA disposed inside the edge area EA.
- the seating surface 1131k may be bisected by the first extension line (or surface) EL1 .
- the seating surface 1131k may be divided into a left area/right area on a plane by the first extension line EL1 .
- the seating surface 1131k may be bisected by the second extension line (or surface) EL2 .
- the seating surface 1131k may be divided into an upper area/lower area on a plane by the second extension line EL2 .
- first bisector HL1 may bisect the left region to the left and right.
- second bisector HL2 may bisect the right region to the left and right.
- third bisector HL3 may vertically bisect the upper region.
- fourth bisector HL4 may bisect the lower region up and down.
- the inner area IA may be an area closed by the first bisector HL1 , the second bisector HL2 , the third bisector HL3 , and the fourth bisector HL4 .
- the edge area EA may be an outer area of the inner area IA.
- a seating protrusion 1131p may be disposed on the seating surface 1131k.
- the seating protrusion 1131p may protrude toward the optical member 1132 .
- the seating surface 1131k may include a seating protrusion 1131p disposed on the edge area EA.
- the bonding member BM is disposed on the edge area EA to minimize distortion of the optical member 1132 in the inner area IA. Accordingly, distortion or bending of the inner region IA in which light reflection occurs is reduced, thereby preventing a decrease in resolution.
- the seating protrusion 1131p may be disposed in the inner region IA.
- the bonding member BM may also be disposed on the seating protrusion 1131p.
- the first area SA1 may be located inside the second area SA2 . Accordingly, the thickness of the coating layer CM from the inside may be greater than the thickness from the outside.
- first area SA1 may be located on the edge area EA.
- second area SA2 may be located on the inner area IA. Accordingly, the first area SA1 may at least partially surround the second area SA2 .
- the edge area EA may at least partially surround the inner area IA.
- the coating layer CM may be disposed to be spaced apart from the seating surface 1131k in the second area SA2 . That is, the coating layer CM may have a gap between the seating surface 1131k and the second area SA2. Due to this configuration, distortion may not occur in the second area SA2 inside the optical member 1132 .
- the bonding member BM may at least partially contact the first area SA1 of the coating layer CM.
- the bonding member BM may be disposed to be displaced from the second area SA2 of the coating layer CM.
- the first area SA1 and the second area SA2 may not overlap each other in a direction toward the seating surface 1131k.
- the bonding member BM may be disposed on the seating protrusion 1131p of the edge area EA.
- the bonding member BM may be in contact with the first area SA1 of the coating layer CM. In this case, in the coating layer CM, the number of the plurality of layers in the first area SA1 may be greater than the number of the plurality of layers in the second area SA2.
- the first layer LY1 to the fourth layer LY4 may be positioned in the first area SA1 .
- the first layer LY1 and the second layer LY2 may be positioned in the second area SA2 .
- the number of layers (eg, four) in the first area SA1 may be greater than the number of layers (eg, two) in the second area SA2 .
- the first area SA1 may further include an additional layer as well as a layer common to the second area SA2 .
- the thickness in the first area SA1 may increase. According to this configuration, as the thickness of the optical member 1132 becomes thinner, it is possible to easily compensate for the greater distortion due to the attractive force of the bonding member BM.
- FIG. 17 is a perspective view of another example of an optical member according to the embodiment
- FIG. 18A is a cross-sectional view taken along QQ' in FIG. 17
- FIG. 18B is a cross-sectional view taken along RR' in FIG. 17
- FIG. 18C is a cross-sectional view according to the embodiment It is a view for explaining the coupling of the holder and the optical member.
- the bonding member according to the embodiment may be disposed between the seating surface 1131k of the holder 1131 and the optical member as described above. Accordingly, the bonding member may couple the holder 1131 and the optical member to each other. Furthermore, the seating surface 1131k may correspond to the reflective surface of the optical member.
- the reflective surface may be a bottom surface of the optical member. Also, the reflective surface may be a surface on which the optical member faces the seating surface 1131k.
- the optical member according to the embodiment may be a mirror. Accordingly, the optical member may include a reflective surface, an incident surface, and a transmission surface. In addition, the reflective surface of the optical member may be a surface facing the seating surface 1131k.
- the optical member according to the embodiment may further include a coating layer (CM) disposed on the reflective surface.
- the coating layer CM may be formed of various reflective materials.
- the coating layer CM may be formed of a plurality of layers. With this configuration, the optical member may change the path of the light incident through the coating layer CM. As described above, for example, the coating layer CM may reflect incident light by changing it in a vertical direction.
- the coating layer CM may include a first area SA1 in contact with the bonding member and a second area SA2 other than the first area SA1 .
- the optical member may include a first area SA1 in contact with the bonding member and a second area SA2 that is an area other than the first area SA1.
- the thickness of the coating layer CM in the first area SA1 may be greater than the thickness t2 of the coating layer CM in the second area SA2 . According to this configuration, the distortion of the optical member 1131 may be compensated even if the bonding member shrinks or shrinks due to thermal curing or the like, and the attractive force applied to the first area SA1 of the optical member increases.
- the thickness of the coating layer may be increased compared to the case of a prism.
- the thickness of the first area SA1 may be greater than that of the second area SA2 .
- the thickness in the first area SA1 may increase.
- the bonding member in the first area SA1 in which the bonding member is positioned in the coating layer CM, the bonding member may be reduced in volume by thermal curing, and an attractive force may act on the first area SA1 by the reduction in the volume of the bonding member. Accordingly, in the optical member, distortion or warpage between the first area SA1 and the second area SA2 may occur.
- the coating layer CM suppresses the occurrence of warpage through a difference in thickness between the first area SA1 that is an area in contact with the bonding member and the second area SA2 that is an area other than the first area SA1. can do. Accordingly, the camera actuator according to the embodiment may prevent an optical path error or a reduction in resolution due to distortion or distortion of the optical member.
- a part of the bonding member may be positioned under the first area SA1 , and the other part may be positioned under the second area SA2 .
- the bonding member may be in contact with any one of the second area SA2 or the seating surface 1131k of the coating layer CM.
- the seating surface 1131k may include an edge area EA and an inner area IA disposed inside the edge area EA.
- a seating protrusion 1131p may be disposed on the seating surface 1131k.
- the seating protrusion 1131p may protrude toward the optical member.
- the seating surface 1131k may include a seating protrusion 1131p disposed on the edge area EA.
- the bonding member is disposed on the edge area EA to minimize distortion of the optical member in the inner area IA. Accordingly, distortion or bending of the inner region IA in which light reflection occurs is reduced, thereby preventing a decrease in resolution.
- the first area SA1 may be located on the edge area EA.
- the second area SA2 may be located on the inner area IA. Accordingly, the first area SA1 may at least partially surround the second area SA2 .
- the edge area EA may at least partially surround the inner area IA.
- the bonding member may at least partially contact the first area SA1 of the coating layer CM. In addition, the bonding member may be disposed to be displaced from the second area SA2 of the coating layer CM.
- the coating layer CM may be disposed to be spaced apart from the seating surface 1131k in the second area SA2 . That is, the coating layer CM may have a space apart from the seating surface 1131k in the second area SA2 . With this configuration, distortion may not occur in the second area SA2 located inside the optical member.
- the number of the plurality of layers in the first area SA1 of the coating layer CM may be greater than the number of the plurality of layers in the second area SA2 .
- this configuration not only reflection of light but also generation of distortion due to the bonding member can be suppressed.
- a space between the second area SA2 of the coating layer CM and the seating surface 1131k may be easily secured.
- 19 is a view for explaining the coupling of the holder and the optical member according to the modified example.
- the bonding member may be disposed between the seating surface 1131k of the holder 1131 and the optical member as described above. Accordingly, the bonding member may couple the holder 1131 and the optical member to each other. Furthermore, the seating surface 1131k may correspond to the reflective surface of the optical member.
- the reflective surface may be a bottom surface of the optical member. Also, the reflective surface may be a surface on which the optical member faces the seating surface 1131k.
- the optical member may be a mirror. Accordingly, the optical member may include a reflective surface, an incident surface, and a transmission surface. In addition, the reflective surface of the optical member may be a surface facing the seating surface 1131k.
- the optical member may further include a coating layer (CM) disposed on the reflective surface.
- the coating layer CM may be formed of various reflective materials.
- the coating layer CM may be formed of a plurality of layers. With this configuration, the optical member may change the path of the light incident through the coating layer CM. As described above, for example, the coating layer CM may reflect incident light by changing it in a vertical direction.
- the coating layer CM may include a first area SA1 in contact with the bonding member and a second area SA2 other than the first area SA1 .
- the optical member may include a first area SA1 in contact with the bonding member and a second area SA2 that is an area other than the first area SA1.
- the thickness of the coating layer CM in the first area SA1 may be greater than the thickness t2 of the coating layer CM in the second area SA2 . According to this configuration, the distortion of the optical member 1131 may be compensated even if the bonding member shrinks or shrinks due to thermal curing or the like, and the attractive force applied to the first area SA1 of the optical member increases.
- the thickness of the coating layer may be increased compared to the case of a prism.
- the thickness of the first area SA1 may be greater than that of the second area SA2 .
- the thickness in the first area SA1 may increase.
- the bonding member in the first area SA1 in which the bonding member is positioned in the coating layer CM, the bonding member may be reduced in volume by thermal curing, and an attractive force may act on the first area SA1 by the reduction in the volume of the bonding member. Accordingly, in the optical member, distortion or warpage between the first area SA1 and the second area SA2 may occur.
- the coating layer CM suppresses the occurrence of warpage through a difference in thickness between the first area SA1 that is an area in contact with the bonding member and the second area SA2 that is an area other than the first area SA1. can do. Accordingly, the camera actuator according to the embodiment may prevent an optical path error or a reduction in resolution due to distortion or distortion of the optical member.
- the optical member may be partially bent.
- an area in contact with the first area SA1 may have a height difference from an area contacting the second area SA2 .
- the area in contact with the first area SA1 may be located above the area in contact with the second area SA2 .
- the optical member may have a shape in which the second area SA2 protrudes upward.
- the optical member may have a convex shape toward the top. In this way, even in the case of the modified example, distortion and the like can be compensated and a reduction in resolution can be prevented.
- Figure 20 is a view showing the degree of distortion for different thicknesses
- Figure 21 is a graph showing the result of Figure 20
- Figure 22 is a view showing the combination of the holder and the optical member according to the embodiment
- Figure 23 is the actual It is a view showing the coupling of the holder and the optical member.
- (a) to (d) are experimental results showing the distortion caused by the bonding member when the optical member is a mirror.
- (a) is the thickness of the optical member is 0.3mm
- (b) is the thickness of the optical member is 0.5mm
- (c) is the thickness of the optical member is 1mm
- (d) is the thickness of the optical member In the case of 1.2m, it is the test result of the Japanese country.
- FIGS. 20A to 20D it can be seen that as the thickness of the optical member increases in the inner region IA and the edge region EA, the degree of distortion decreases. In other words, it can be seen that as the thickness of the optical member decreases, the distortion due to the bonding member increases.
- FIG. 21 it is a graph of surface roughness (Ra) and PV values for FIGS. 20 (a) to (d).
- PV means a height difference between a peak and a valley.
- the bonding member BM may be applied to the edge area EA where the seating protrusion 1131p is positioned. In addition, a portion of the bonding member BM may be applied to the inner region IA. Furthermore, at least a portion of the bonding member BM may be located under the second region of the coating layer. However, the bonding member BM may be in contact with either the second region or the seating surface by the seating protrusion 1131p and the coating groove of the coating layer. Also, the bonding member BM may be disposed to be spaced apart from the second area SA2 on the seating surface. That is, a separation space may be formed between the bonding member BM and the second area SA2. FIG.
- the rotating part 140 includes a tilting guide part 1141, a first magnetic body 1142, and a first Two magnetic materials 1143 may be included.
- the first magnetic body 1142 and the second magnetic body 1143 may be positioned to correspond to each other with respect to the tilting guide unit 1141 .
- the first magnetic body 1142 and the second magnetic body 1143 are the same as described above to provide a coupling force between the mover, the tilting guide unit 1141, and the housing.
- the tilting guide part 1141 includes a base BS, a first protrusion PR1 protruding from the first surface 1141a of the base BS, and a second protrusion protruding from the second surface 1141b of the base BS.
- Two protrusions PR2 may be included.
- the surfaces on which the first protrusion and the second protrusion are formed may be opposite to each other depending on the structure, but will be described below with reference to the drawings.
- the first protrusion PR1 and the second protrusion PR2 may be integrally formed with the base BS, and as shown in the drawing, the first protrusion PR1 and the second protrusion RP2 have a spherical shape like a ball. It should be understood that it is possible to have
- the base BS may include a first surface 1141a and a second surface 1141b facing the first surface 1141a. That is, the first surface 1141a may be spaced apart from the second surface 1141b in the third direction (Z-axis direction), and may be outer surfaces facing each other or facing each other within the tilting guide unit 1141 . .
- the first surface 1141a may be positioned to face the side of the fourth housing, and the second surface 1141b may be positioned to face the outer surface of the fourth holder.
- the first surface 1141a and the second surface 1141b may include a plurality of holes or grooves, and the weight of the tilting guide unit 1141 may be reduced through the holes or grooves.
- the tilting guide part 1141 may include a first protrusion PR1 extending to one side on the first surface 1141a.
- the first protrusion PR1 may protrude from the first surface 1141a toward the side of the fourth housing.
- a plurality of first protrusions PR1 may include a 1-1 protrusion PR1a and a 1-2 protrusion PR1b.
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be positioned side by side in the first direction (X-axis direction). In other words, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may overlap in the first direction (X-axis direction). Also, in the embodiment, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be bisected by an imaginary line extending in the first direction (X-axis direction).
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may have a curvature, for example, a hemispherical shape.
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may contact the first protrusion groove of the housing at a point most spaced apart from the first surface 1141a of the base BS.
- an alignment groove may be positioned on the first surface 1141a.
- the alignment groove may be disposed on one side of the first surface 1141a to provide an assembly position or an assembly direction of the tilting guide unit 1141 during the assembly process.
- the tilting guide part 1141 may include a second protrusion PR2 extending to one side on the second surface 1141a.
- the second protrusion PR2 may protrude toward the housing from the second surface 1141b.
- the second protrusion PR2 is plural, and may include a 2-1 protrusion PR2a and a 2-2 protrusion PR2b in the embodiment.
- the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be positioned side by side in the second direction (Y-axis direction). That is, the second-first protrusion PR2a and the second-second protrusion PR2b may overlap in the second direction (the Y-axis direction). Also, in the embodiment, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be bisected by an imaginary line extending in the second direction (Y-axis direction).
- the second-first protrusion PR2a and the second-second protrusion PR2b may have a curvature, for example, a hemispherical shape.
- the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may contact the second protrusion groove at a point spaced apart from the second surface 1141b of the base BS.
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be located in a region between the 2-1 protrusion PR2a and the 2-2 protrusion PR2b in the second direction.
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b are disposed in the center of the space between the 2-1 protrusion PR2a and the 2-2 protrusion PR2b in the second direction.
- the actuator according to the embodiment may have the X-axis tilt angle with respect to the X-axis in the same range.
- the tilting guide part 1141 sets the X-axis in a range (eg, positive/negative range) in which the holder can tilt the X-axis based on the 1-1 protrusion PR1a and the 1-2 protrusion PR1b.
- a range eg, positive/negative range
- the holder can tilt the X-axis based on the 1-1 protrusion PR1a and the 1-2 protrusion PR1b.
- the same can be provided as a standard.
- the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be positioned in a region between the 1-1 protrusion PR1a and the 1-2 protrusion PR1b in the first direction.
- the actuator according to the embodiment may have the Y-axis tilt angle with respect to the Y-axis in the same range.
- the tilting guide 1141 and the holder set the Y-axis tiltable range (eg, positive/negative range) along the Y-axis.
- the Y-axis tiltable range eg, positive/negative range
- the first surface 1141a may include a first outer line M1 , a second outer line M2 , a third outer line M3 , and a fourth outer line M4 .
- the first outer line M1 and the second outer line M2 may face each other, and the third outer line M3 and the fourth outer line M4 may face each other.
- a third outer line M3 and a fourth outer line M4 may be positioned between the first outer line M1 and the second outer line M2 .
- the first outer line M1 and the second outer line M2 are perpendicular to the first direction (X-axis direction), but the third outer line M3 and the fourth outer line M4 are in the first direction X axial direction).
- the first protrusion PR1 may be positioned on the first virtual line VL1 .
- the first virtual line VL1 is a line that bisects the first outer line M1 and the second outer line M2 .
- the first and third virtual lines VL1 and VL1' are lines that bisect the base BS in the second direction (Y-axis direction). Accordingly, the tilting guide unit 1141 may easily perform the X-axis tilt through the first protrusion PR1 .
- a rotational force may be uniformly applied to the tilting guide 1141 . Accordingly, the X-axis tilt can be precisely performed and the reliability of the device can be improved.
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be formed symmetrically with respect to the first imaginary line VL1 and the second imaginary line VL2 .
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be symmetrically positioned with respect to the first central point C1.
- the supporting force supported by the first protrusion PR1 may be equally applied to the upper and lower sides of the second virtual line VL2 when tilting the X-axis. Accordingly, the reliability of the tilting guide unit may be improved.
- the second virtual line VL2 is a line that bisects the third outer line M3 and the fourth outer line M4 .
- the second and fourth virtual lines LV2 and LV2' are lines that bisect the base BS in the first direction (X-axis direction).
- first central point C1 may be an intersection of the first virtual line VL1 and the second virtual line VL2 .
- it may be a point corresponding to the center of gravity according to the shape of the tilting guide unit 1141 .
- the second surface 1141b may include a fifth outer line M1 ′, a sixth outer line M2 ′, a seventh outer line M3 ′, and an eighth outer line M4 ′.
- the fifth outer line M1' and the sixth outer line M2' may face each other, and the seventh outer line M3' and the eighth outer line M4' may face each other.
- a seventh outer line M3 ′ and an eighth outer line M4 ′ may be positioned between the fifth outer line M1 ′ and the sixth outer line M2 ′.
- the fifth outer line M1' and the sixth outer line M2' are perpendicular to the first direction (X-axis direction), but the seventh outer line M3' and the eighth outer line M4' are It may be parallel to one direction (X-axis direction).
- the tilting guide unit 1141 performs the Y-axis tilt based on the fourth virtual line VL2 ′, a rotational force may be uniformly applied to the tilting guide unit 1141 . Accordingly, the Y-axis tilt can be precisely performed and the reliability of the device can be improved.
- the second-first protrusion PR2a and the second-second protrusion PR2b may be symmetrically disposed on the fourth virtual line VL2' to the third virtual line VL1'.
- the second-first protrusion PR2a and the second-second protrusion PR2b may be symmetrically positioned with respect to the second central point C1 ′.
- the third virtual line VL1' is a line that bisects the fifth outer line M1' and the sixth outer line M2'.
- the second central point C1' may be an intersection of the third virtual line VL1' and the fourth virtual line VL2'. Alternatively, it may be a point corresponding to the center of gravity according to the shape of the tilting guide unit 1141 .
- the tilting guide unit 1141 may be formed in various shapes for X-axis tilt or Y-axis tilt.
- FIG. 27 is a perspective view of a first camera actuator according to the embodiment
- FIG. 28 is a cross-sectional view taken along line BB′ in FIG. 27
- FIG. 29 is a cross-sectional view taken along line CC′ in FIG. 27 .
- the first coil 1152a may be located on the first housing side 1121, and the first magnet 1151a may be located on the first holder outer surface 1131S1 of the holder 1131. have. Accordingly, the first coil 1152a and the first magnet 1151a may be positioned to face each other. The first magnet 1151a may at least partially overlap the first coil 1152a in the second direction (Y-axis direction).
- the second coil 1152b may be positioned on the second housing side 1122 , and the second magnet 1151b may be positioned on the second holder outer surface 1131S2 of the holder 1131 . Accordingly, the second coil 1152b and the second magnet 1151b may be positioned to face each other. The second magnet 1151b may at least partially overlap the second coil 1152b in the second direction (Y-axis direction).
- first coil 1152a and the second coil 1152b overlap in the second direction (Y-axis direction), and the first magnet 1151a and the second magnet 1151b are disposed in the second direction (Y-axis direction).
- the electromagnetic force applied to the outer surface of the prism holder is located on the parallel axis in the second direction (Y-axis direction), so that the X-axis tilt is accurate and precise. can be carried out
- the second protrusions PR2a and PR2b of the tilting guide part 1141 may be positioned in the second protrusion groove PH2 of the housing 1120 and contact the second protrusion groove PH2 .
- the second protrusions PR2a and PR2b may be the reference axis (or rotation axis) of the tilt. Accordingly, the tilting guide unit 1141 and the mover 1130 may move up and down.
- the fourth housing side 1124 may include the above-described housing groove 1124a.
- the second magnetic body 1143 may be positioned in the housing groove 1124a.
- the housing groove 1124a may be positioned to correspond to the first magnetic body 1142 .
- the housing groove 1124a may be located on an outer surface or an inner surface of the fourth housing side 1124 .
- the housing groove 1124a will be described based on the position on the outer surface of the fourth housing side portion 1124 .
- the housing groove 1124a may have a shape in which one side is opened on the inner surface of the fourth housing side 1124 .
- the housing groove 1124a may have a structure in which one end of the inner surface of the fourth housing side 1124 is opened toward the first housing side.
- the first Hall sensor 1153a may be positioned outside for electrical connection and coupling with the substrate unit 1154 . However, it is not limited to these positions.
- the third coil 1152c may be positioned on the third housing side 1123
- the third magnet 1151c may be positioned on the third holder outer surface 1131S3 of the holder 1131 .
- the third coil 1152c and the third magnet 1151c may at least partially overlap in the first direction (X-axis direction). Accordingly, the strength of the electromagnetic force between the third coil 1152c and the third magnet 1151c may be easily controlled.
- the tilting guide part 1141 may be located on the fourth holder outer surface 1131S4 of the holder 1131 as described above.
- the first magnetic body 1142 may be seated in the fourth seating groove 1131S4a.
- the fourth seating groove 1131S4a may be positioned to at least partially overlap with the housing groove 1124a of the fourth housing side 1124 in the third direction (Z-axis direction).
- the center of the fourth seating groove 1131S4a and the center of the housing groove 1124a may overlap in the third direction (Z-axis direction) or may be positioned side by side or parallel in the third direction (Z-axis direction).
- FIG. 30 is a diagram illustrating a first driving unit of a first camera actuator according to an embodiment.
- the driving unit 1150 (or the first driving unit) includes a driving magnet 1151 , a driving coil 1152 , a Hall sensor unit 1153 , a coupling unit 1154 , and a substrate unit 1155 . ) is included.
- the driving magnet 1151 may include a first magnet 1151a , a second magnet 1151b , and a third magnet 1151c providing driving force by electromagnetic force.
- the first magnet 1151a , the second magnet 1151b , and the third magnet 1151c may be located on the outer surface of the holder 1131 , respectively.
- the driving coil 1152 may include a plurality of coils.
- the driving coil 1152 may include a first coil 1152a , a second coil 1152b , and a third coil 1152c .
- the first coil 1152a may be positioned to face the first magnet 1151a. Accordingly, the first coil 1152a may be positioned in the first housing hole 1121a of the first housing side 1121 as described above. Also, the second coil 1152b may be positioned to face the second magnet 1151b. Accordingly, the second coil 1152b may be positioned in the second housing hole 1122a of the second housing side 1122 as described above.
- the second camera actuator rotates the mover 1130 in the first direction (X-axis direction) or the second direction (Y-axis direction) by electromagnetic force between the driving magnet 1151 and the driving coil 1152 by controlling the rotation.
- OIS optical image stabilization
- the size limitation of the actuator is eliminated, and an ultra-slim, ultra-small camera actuator and a camera actuator including the same A camera module may be provided.
- the coupling part 1154 may include a first coupling member 1154a, a second coupling member 1154b, and a third coupling member 1154c.
- first coupling member 1154a, the second coupling member 1154b and the third coupling member 1154c are each located between the first magnet 1151a to the third magnet 1151c and the holder 1131.
- the first coupling member 1154a, the second coupling member 1154b, and the third coupling member 1154c may be yokes. Accordingly, the first coupling member 1154a, the second coupling member 1154b, and the third coupling member 1154c are respectively a first magnet 1151a, a second magnet 1151b and a third magnet 1151c and can be combined
- first coupling member 1154a, the second coupling member 1154b, and the third coupling member 1154c are respectively disposed in the first seating groove, the second seating groove, and the third seating groove, and the first seating groove , can be easily combined with the first seating groove, the second seating groove and the third seating groove through the adhesive member injected through the grooves formed in the second and third seating grooves.
- the substrate portion 1155 may include a first substrate side portion 1155a , a second substrate side portion 1155b , and a third substrate side portion 1155c .
- the first substrate side portion 1155a and the second substrate side portion 1155b may be disposed to face each other.
- the third substrate side portion 1155c may be positioned between the first substrate side portion 1155a and the second substrate side portion 1155b.
- first substrate side 1155a may be positioned between the first housing side and the shield can
- second substrate side 1155b may be positioned between the second housing side and the shield can
- third substrate side part 1155c may be positioned between the third housing side part and the shield can, and may be a bottom surface of the substrate part 1155 .
- the first substrate side portion 1155a may be coupled to the first coil 1152a and electrically connected thereto. Also, the first substrate side portion 1155a may be coupled to the first Hall sensor 1153a and electrically connected thereto.
- the second substrate side 1155b may be coupled to and electrically connected to the second coil 1152b. Also, it should be understood that the second substrate side 1155b may be electrically coupled to and electrically connected to the second Hall sensor 1153b.
- first substrate side portion 1155a and the second substrate side portion 1155b may extend in a third direction (Z-axis direction). Accordingly, the first substrate side portion 1155a and the second substrate side portion 1155b may have a region extending in the third direction (Z-axis direction) than the fifth housing side portion.
- the third substrate side portion 1155c may be coupled to and electrically connected to the third coil 1152c. In addition, the third substrate side portion 1155c may be coupled to and electrically connected to the third Hall sensor 1153c.
- FIG. 31 is a perspective view of the first camera actuator according to the embodiment
- FIG. 32 is a cross-sectional view taken along DD′ in FIG. 31
- FIG. 33 is an exemplary view of movement of the first camera actuator shown in FIG. 32 .
- Y-axis tilt may be performed. That is, the OIS may be implemented by rotating in the first direction (X-axis direction).
- the third magnet 1151c disposed under the holder 1131 forms an electromagnetic force with the third coil 1152c to form the tilting guide part 1141 and the mover 1130 in the first direction (X-axis direction). ) can be tilted or rotated.
- the tilting guide unit 1141 , the housing 1120 , and the mover 1130 may be coupled to each other by the first magnetic body 1142 and the second magnetic body 1143 .
- the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be spaced apart from each other in the first direction (X-axis direction) to support the mover 1130 .
- the tilting guide unit 1141 may rotate or tilt the second protrusion PR2 protruding toward the housing in the first direction (X-axis direction) with respect to the reference axis (or rotation axis).
- the mover 1130 is moved along the X-axis by the first electromagnetic forces F1A and F1B between the third magnet 1151c disposed in the third seating groove and the third coil 1152c disposed on the third substrate side.
- the OIS may be implemented while rotating (X1->X1a or X1b) by a first angle ⁇ 1 in the direction.
- the first angle ⁇ 1 may be ⁇ 1° to ⁇ 3°.
- the present invention is not limited thereto.
- FIG. 34 is a perspective view of the first camera actuator according to the embodiment
- FIG. 35 is a cross-sectional view taken along line EE' in FIG. 34
- FIG. 36 is an exemplary view of movement of the first camera actuator shown in FIG.
- OIS may be implemented while the mover 1130 is tilted or rotated in the Y-axis direction.
- the first magnet 1151a and the second magnet 1151b disposed in the holder 1131 form an electromagnetic force with the first coil 1152a and the second coil 1152b, respectively, in the second direction Y axial direction) to tilt or rotate the mover 1130 .
- Components tilted in the first direction or tilted in the second direction in the first camera actuator according to the embodiment may be different from each other.
- the housing and the mover 1130 may be coupled to each other by the second magnetic body 1143 in the tilting guide unit 1141 .
- the plurality of first protrusions PR1 may be spaced apart from each other in the first direction (X-axis direction) to support the mover 1130 .
- the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may contact the housing 1120 to support the housing 1120 .
- the tilting guide unit 1141 may rotate or tilt the first protrusion PR1 protruding toward the mover 1130 in a first direction (X-axis direction) as a reference axis (or rotation axis).
- the second electromagnetic force F2A between the first and second magnets 1151a and 1151b disposed in the first seating groove and the first and second coil units 1152a and 1152b disposed on the side of the first and second substrates; F2B), while rotating the mover 1130 at a second angle ⁇ 2 in the Y-axis direction (Y1->Y1a or Y1b), the OIS may be implemented.
- the second angle ⁇ 2 may be ⁇ 1° to ⁇ 3°.
- the present invention is not limited thereto.
- the first camera actuator moves the mover 1130 in the first direction (X-axis direction) or in the second direction (Y-axis direction) by the electromagnetic force between the driving magnet in the prism holder and the driving coil disposed in the housing.
- 'Y-axis tilt' means rotation or tilting in the first direction (X-axis direction)
- 'X-axis tilt' means rotating or tilting in the second direction (Y-axis direction).
- FIG. 37 is a perspective view of a second camera actuator according to the embodiment
- FIG. 38 is an exploded perspective view of the second camera actuator according to the embodiment
- FIG. 39 is a cross-sectional view taken along line GG' in FIG. 37
- FIG. It is a cross-sectional view viewed from HH'.
- the second camera actuator 1200 includes a lens unit 1220 , a second housing 1230 , a second driving unit 1250 , a base unit (not shown), and a second camera actuator 1200 .
- Two substrate units 1270 may be included.
- the second camera actuator 1200 may further include a second shield can (not shown), an elastic part (not shown), and a bonding member (not shown).
- the second camera actuator 1200 according to the embodiment may further include an image sensor IS.
- the second shield can (not shown) is located in an area (eg, the outermost side) of the second camera actuator 1200 and includes components (the lens unit 1220 , the second housing 1230 , and the elastic unit to be described later). (not shown), the second driving unit 1250, the base unit (not shown), the second substrate unit 1270, and the image sensor IS).
- the second shield can (not shown) may block or reduce electromagnetic waves generated from the outside. Accordingly, the occurrence of a malfunction in the second driving unit 1250 may be reduced.
- the lens unit 1220 may be located in a second shield can (not shown).
- the lens unit 1220 may move in a third direction (Z-axis direction). Accordingly, the above-described AF function may be performed.
- the lens unit 1220 may include a lens assembly 1221 and a bobbin 1222 .
- the lens assembly 1221 may include at least one lens. In addition, there may be a plurality of lens assemblies 1221 , but hereinafter, one lens assembly will be used as a reference.
- the lens assembly 1221 is coupled to the bobbin 1222 and may move in the third direction (Z-axis direction) by electromagnetic force generated from the fourth magnet 1252a and the second magnet 1252b coupled to the bobbin 1222 . .
- the bobbin 1222 may include an opening area surrounding the lens assembly 1221 .
- the bobbin 1222 may be coupled to the lens assembly 1221 by various methods.
- the bobbin 1222 may include a groove in the side thereof, and may be coupled to the fourth magnet 1252a and the second magnet 1252b through the groove. A bonding member or the like may be applied to the groove.
- the bobbin 1222 may be coupled to an elastic part (not shown) at the upper end and the rear end. Accordingly, the bobbin 1222 may be supported by an elastic part (not shown) to move in the third direction (Z-axis direction). That is, the position of the bobbin 1222 may be maintained while being maintained in the third direction (Z-axis direction).
- the elastic part (not shown) may be formed of a leaf spring.
- the second housing 1230 may be disposed between the lens unit 1220 and the second shield can (not shown). In addition, the second housing 1230 may be disposed to surround the lens unit 1220 .
- a hole may be formed in a side of the second housing 1230 .
- a fourth coil 1251a and a fifth coil 1251b may be disposed in the hole.
- the hole may be positioned to correspond to the groove of the bobbin 1222 described above.
- the fourth magnet 1252a may be positioned to face the fourth coil 1251a. Also, the second magnet 1252b may be positioned to face the fifth coil 1251b.
- the elastic part (not shown) may include a first elastic member (not shown) and a second elastic member (not shown).
- the first elastic member (not shown) may be coupled to the upper surface of the bobbin 1222 .
- the second elastic member (not shown) may be coupled to the lower surface of the bobbin 1222 .
- the first elastic member (not shown) and the second elastic member (not shown) may be formed of a leaf spring as described above.
- the first elastic member (not shown) and the second elastic member (not shown) may provide elasticity with respect to the movement of the bobbin 1222 .
- the second driving unit 1250 may provide driving forces F3 and F4 for moving the lens unit 1220 in the third direction (Z-axis direction).
- the second driving unit 1250 may include a driving coil 1251 (eg, a second driving coil) and a driving magnet 1252 (eg, a second driving magnet).
- the lens unit 1220 may move in the third direction (Z-axis direction) by the electromagnetic force formed between the driving coil 1251 and the driving magnet 1252 .
- There may be a plurality of lens assemblies of the lens unit 1220 and each of the lens assemblies may move separately in the third direction (Z-axis direction). Also, the plurality of lens assemblies may simultaneously move along the third direction (Z-axis direction). or a combination of these movements.
- the driving coil 1251 may include a fourth coil 1251a and a fifth coil 1251b.
- the fourth coil 1251a and the fifth coil 1251b may be disposed in a hole formed in the side of the second housing 1230 .
- the fourth coil 1251a and the fifth coil 1251b may be electrically connected to the second substrate unit 1270 . Accordingly, the fourth coil 1251a and the fifth coil 1251b may receive current or the like through the second substrate unit 1270 .
- the driving magnet 1252 may include a fourth magnet 1252a and a fifth magnet 1252b.
- the fourth magnet 1252a and the fifth magnet 1252b may be disposed in the aforementioned groove of the bobbin 1222 , and may be positioned to correspond to the fourth coil 1251a and the fifth coil 1251b.
- the base unit (not shown) may be positioned between the lens unit 1220 and the image sensor IS.
- a component such as a filter may be fixed to the base portion (not shown).
- the base part (not shown) may be disposed to surround the image sensor IS.
- the second camera actuator may be a zoom actuator or an auto focus (AF) actuator.
- the second camera actuator may support one or a plurality of lenses and may perform an autofocusing function or a zooming function by moving the lenses according to a control signal of a predetermined control unit.
- the second camera actuator may be a fixed zoom or a continuous zoom.
- the second camera actuator may provide movement of the lens assembly 1221 .
- the second camera actuator may be formed of a plurality of lens assemblies.
- the second camera actuator may include at least one of a first lens assembly (not shown), a second lens assembly (not shown), a third lens assembly (not shown), and a guide pin (not shown). can be placed.
- the second camera actuator may perform a high-magnification zooming function through the driving unit.
- the first lens assembly (not shown) and the second lens assembly (not shown) may be a moving lens that moves through a driving unit and a guide pin (not shown), and the third lens The assembly (not shown) may be a fixed lens, but is not limited thereto.
- the third lens assembly may perform a function of a concentrator to image light at a specific location
- the first lens assembly may serve as a concentrator.
- (not shown) may perform a variator function to reimage the image formed in another place.
- the magnification change may be large because the distance or image distance from the subject is changed a lot
- the first lens assembly (not shown), which is the variable magnification may have a focal length or magnification change of the optical system. can play an important role in
- the image formed in the first lens assembly (not shown), which is a variable changer may be slightly different depending on the location.
- the second lens assembly may perform a position compensation function for the image formed by the variable changer.
- the second lens assembly functions as a compensator to accurately image the image formed by the first lens assembly (not shown), which is a variable changer, at the actual image sensor position.
- the image sensor IS may be located inside or outside the second camera actuator. In an embodiment, as shown, the image sensor IS may be located inside the second camera actuator.
- the image sensor IS may receive light and convert the received light into an electrical signal.
- the image sensor IS may have a plurality of pixels in the form of an array. And the image sensor IS may be located on the optical axis.
- 41 is a perspective view of a mobile terminal to which a camera module according to an embodiment is applied.
- the mobile terminal 1500 of the embodiment may include a camera module 1000 , a flash module 1530 , and an auto-focusing device 1510 provided on the rear side.
- the camera module 1000 may include an image capturing function and an auto focus function.
- the camera module 1000 may include an auto-focus function using an image.
- the camera module 1000 processes an image frame of a still image or a moving image obtained by an image sensor in a shooting mode or a video call mode.
- the processed image frame may be displayed on a predetermined display unit and stored in a memory.
- a camera (not shown) may also be disposed on the front of the mobile terminal body.
- the camera module 1000 may include a plurality of camera modules.
- the camera module 1000 may include a first camera module 1000A and a second camera module 1000B, and the first camera module 1000A includes the above-described first camera actuator and second camera actuator.
- OIS may be implemented together with the AF or zoom function by the first camera module 1000A.
- the flash module 1530 may include a light emitting device that emits light therein.
- the flash module 1530 may be operated by a camera operation of a mobile terminal or a user's control.
- the autofocus device 1510 may include one of the packages of the surface light emitting laser device as a light emitting part.
- the auto-focusing device 1510 may include an auto-focusing function using a laser.
- the auto focus device 1510 may be mainly used in a condition in which the auto focus function using the image of the camera module 1000 is deteriorated, for example, close to 10 m or less or in a dark environment.
- the autofocus device 1510 may include a light emitting unit including a vertical cavity surface emitting laser (VCSEL) semiconductor device and a light receiving unit that converts light energy such as a photodiode into electrical energy.
- a light emitting unit including a vertical cavity surface emitting laser (VCSEL) semiconductor device and a light receiving unit that converts light energy such as a photodiode into electrical energy.
- VCSEL vertical cavity surface emitting laser
- FIG. 42 is a perspective view of a vehicle to which a camera module according to an embodiment is applied.
- FIG. 42 is an external view of a vehicle including a vehicle driving assistance device to which the camera module 1000 according to an embodiment is applied.
- the vehicle 700 may include wheels 13FL and 13FR that rotate by a power source and a predetermined sensor.
- the sensor may be the camera sensor 2000, but is not limited thereto.
- the camera 2000 may be a camera sensor to which the camera module 1000 according to the embodiment is applied.
- the vehicle 700 of the embodiment may acquire image information through a camera sensor 2000 that captures a front image or a surrounding image, and determines a lane unidentified situation using the image information and generates a virtual lane when unidentified can do.
- the camera sensor 2000 may acquire a front image by photographing the front of the vehicle 700 , and a processor (not shown) may obtain image information by analyzing an object included in the front image.
- the processor detects the object to be included in the video information.
- the processor may further supplement the image information by acquiring distance information from the object detected through the camera sensor 2000 .
- the image information may be information about an object photographed in an image.
- the camera sensor 2000 may include an image sensor and an image processing module.
- the camera sensor 2000 may process a still image or a moving image obtained by an image sensor (eg, CMOS or CCD).
- an image sensor eg, CMOS or CCD
- the image processing module may process a still image or a moving image obtained through the image sensor, extract necessary information, and transmit the extracted information to the processor.
- the camera sensor 2000 may include a stereo camera to improve the measurement accuracy of the object and further secure information such as the distance between the vehicle 700 and the object, but is not limited thereto.
- the camera device according to the embodiment is described using a Cartesian coordinate system (x, y, z), but may be described using other coordinate systems, and the embodiment is limited thereto.
- the X-axis and the Y-axis may mean a direction perpendicular to the Z-axis, which is the optical axis (OA) direction.
- the Z-axis direction which is the optical axis OA direction
- the X-axis direction may be referred to as a 'second direction'
- the Y-axis direction may be referred to as a 'third direction'.
- the Y axis may be referred to as a "first axis”
- the Y axis direction may be referred to as a "first axis direction”
- the X axis may be referred to as a "second axis”
- the X axis direction may be referred to as a "second axis direction” .
- each component of the above-described first and second actuators may also be described differently in FIGS. 43 to 67 below.
- the terms described with reference to FIGS. 43 to 72 and the terms described with reference to FIGS. 1 to 42 are different, they may be used interchangeably.
- the descriptions (eg, structure, positional relationship) described in FIGS. 1 to 42 may be equally applied to the camera device or camera module described in FIGS. 43 to 72 . In addition, the reverse is also possible.
- terminal may be replaced with a pad, an electrode, or a conductive layer.
- code value may be expressed by replacing it with data or a digital value.
- either component in the coupling between the projection and the hole for coupling the two components to each other, either component may be a coupling projection (or coupling hole), and the other side may be a coupling hole (or coupling projection) corresponding to the other side.
- FIG. 43 is a first perspective view of the camera device 200 according to the embodiment
- FIG. 44 is a second perspective view of the camera device 200 according to the embodiment
- FIG. 45 is an AB direction of the camera device 200 of FIG. 43 . is a cross section of
- the camera device 200 may include a first actuator 310 , a second actuator 320 , and an image sensing unit 330 .
- the first actuator 310 may move the optical member 40 , thereby performing an OIS (Optical Image Stabilizer) operation for performing image stabilization, and may be used as a “second driving unit” or “OIS driving unit”. It can be expressed as a substitute.
- OIS Optical Image Stabilizer
- the first actuator 310 may change the path of the light.
- the first actuator 310 may include an optical member 40 that changes a path of light.
- the first actuator 310 may be expressed by replacing it with an “optical path change unit”.
- the second actuator 320 may move the lens module 400 in the optical axis direction, thereby performing autofocus and/or zoom functions.
- the zoom function of the embodiment may be a fixed zoom for moving one lens barrel (or lens group), but is not limited thereto. In another embodiment, it may be a continuous zoom in which two or more lens barrels (or two or more lens groups) are independently moved. For example, in continuous zoom, one lens group may be a zoom lens in charge of zooming, and the other lens group may be a focus lens in charge of focusing.
- the second actuator 320 may be replaced with a “first driving unit” or “AF driving unit”.
- the first actuator 310 may be expressed by replacing “second actuator”, and the second actuator 320 may be expressed by replacing “first actuator”.
- the lens module 400 may include at least one lens or a lens array.
- the lens module 400 may include various types of optical lenses.
- the lens module 400 may include a front lens having a positive power and a rear lens having a negative power.
- the second actuator 320 may be disposed at the rear end of the first actuator 310 , and may be coupled to the first actuator 310 .
- the second actuator 320 may be disposed between the first actuator 310 and the image sensing unit 330 .
- the image sensing unit 330 receives and senses light passing through the lens module 400 of the optical member 40 and the second actuator 320 of the first actuator 310 and converts the sensed light into an electrical signal.
- the camera device 200 may further include a support holder 340 for receiving, supporting, or fixing at least one of the first actuator 310 , the second actuator 320 , and the image sensing unit 330 .
- the support holder 340 may be replaced with a side bar, a housing, or a case.
- the support holder 340 may be coupled to the first actuator 310 and the second actuator 320 .
- Figure 46 is a perspective view of the first actuator 310 shown in Figure 43
- Figure 47 is an exploded perspective view of the first actuator 310
- Figure 48a is the holder 30 of the first actuator 310 of Figure 47
- FIG. 48B is a rear perspective view of the holder 30
- FIG. 48C is a bottom perspective view of the holder 30
- FIG. 49A is a front perspective view of the first housing 50
- FIG. 49B is a first housing 50
- Fig. 49c is a rear perspective view of the first housing 50
- Fig. 50a is a perspective view of the holder 30, the driving plate 61, and the first housing 50
- FIG. 50b is the holder ( 30), the driving plate 61, the optical member 40, and the second magnetic body 63 are perspective views
- FIG. 51A is a cross-sectional view of the first actuator 310 of FIG. 46 in the CD direction
- FIG. It is a cross-sectional view of the first actuator 310 in the EF direction
- FIG. 52 is the first to third OIS magnets 31A, 31B, and 32 according to the interaction between the first to third coil units 230A to 230C. It is a diagram for explaining the electromagnetic force and the movement of the driving plate 61 .
- the first actuator 310 moves the optical member 40 and the optical member 40 in a direction perpendicular to the optical axis direction (eg, the Z-axis direction) (eg, the X-axis direction or the Y-axis direction). direction) may include a first driving unit 70 that rotates by a preset angle.
- the optical member 40 may change the path of the light so that the light passing through the opening 21A of the first cover member 20 is incident on the second actuator 320 .
- the optical member 40 may change light incident in the X-axis direction in the optical-axis direction (Z-axis direction).
- the optical member 40 may include a reflector that can change the traveling direction of light.
- the optical member 40 may be a prism that reflects light, but is not limited thereto.
- the optical member 40 may be a mirror.
- the optical member 40 may change the incident light into parallel light by changing the optical path of the incident light to an optical axis parallel to the central axis (Z axis) of the lens module 400 , and the parallel light passes through the lens module 400 . to reach the image sensor 540 .
- the optical member 40 may include an incident surface 8A and an exit surface 8B, and may reflect light incident on the incident surface 8A and output the light to the exit surface 8B.
- the optical member 40 may be a right-angled prism including an incident surface 8A, a reflective surface 8C, and an exit surface 8B.
- the interior angle between the incident surface 8A and the exit surface 8B may be a right angle.
- each of the first interior angle between the incident surface 8A and the reflective surface 8C and the second interior angle between the exit surface 8B and the reflective surface 8C may be 30 degrees to 60 degrees.
- each of the first interior angle and the second interior angle may be 45 degrees, but is not limited thereto.
- the thickness of the camera device 200 in a direction perpendicular to the incident surface 8A of the optical member 40 can be reduced, so that the camera device 200 is It is possible to reduce the thickness of the mounted mobile device or terminal 200A.
- the first actuator 310 includes a first housing 50 , a holder 30 disposed in the first housing 50 , an optical member 40 disposed in the holder 30 , the holder 30 and the housing ( 50 , it may include a support part 60 and a first driving part 70 disposed between them.
- the first actuator 310 may further include a first cover member 20 for accommodating the first housing 50 .
- the first cover member 20 may have a box shape having an open lower portion and including an upper plate 20A and a side plate 20B.
- An opening 21A or a hole exposing the incident surface 8A of the optical member 40 may be formed in the upper plate 20A of the first cover member 20 .
- At least one protrusion 22A for coupling with the hole 140A1 of the support holder 340 of FIG. 44 may be formed on the side plate 20B of the first cover member 20 .
- the at least one protrusion 22A may protrude from the side plate 20B in the direction of the optical axis (eg, the Z-axis direction).
- the first cover member 20 may be formed of a metal plate, but is not limited thereto, and may be formed of a plastic or resin material. Also, for example, the first cover member 20 may be made of a material that blocks electromagnetic waves. An opening 21B or a hole exposing the emission surface 8B of the optical member 40 may be formed in the side plate 20B of the first cover member 20 .
- the holder 30 may include a mounting portion 104 on which the optical member 40 is disposed or mounted.
- the seating portion 104 may be in the form of a groove, and may include a mounting surface 104a (or seating surface) on which the reflective surface 8C of the optical member 40 is disposed.
- the mounting surface 104a may be an inclined surface inclined with respect to the optical axis direction (eg, the Z-axis direction).
- an adhesive for attaching the optical member 40 to the mounting surface 104a of the holder 30 may be disposed.
- at least one groove for receiving an adhesive may be formed in the mounting surface 104a.
- the holder 30 may include a first opening exposing the incident surface 8A of the optical member 40 and a second opening exposing the exit surface 8B of the optical member 40 .
- the first opening may be disposed on the upper side of the holder 30
- the second opening is one side (front outer surface, 31a) of the holder 30 facing the lens module 400 of the second actuator 320 . ) can be placed in
- the emission surface 8B of the optical member 40 mounted on the holder 30 may be disposed to face the lens module 400 of the second actuator 320 .
- At least one stopper 38A1 may be formed on the upper surface of the holder 30 .
- the at least one stopper 38A1 may be a protrusion or a protrusion protruding upward from the upper surface 18 of the holder 30 .
- the at least one stopper 38A1 may be disposed on an upper surface adjacent to at least one of the front outer surface 31a and the rear outer surface 31b of the holder 30 . The tilt or rotation of the holder 30 in the second direction may be restricted by the stopper 38A1 of the holder 30 .
- the holder 30 may include first and second sides (or outer surfaces) 31c and 31d facing each other.
- the seating portion 104 may be positioned between the first side portion 31c and the second side portion 31d of the holder 30 .
- the first side part 31c and the second side part 31d may be positioned opposite to each other in the third direction (eg, the Y-axis direction) or positioned to face each other.
- At least one stopper 38B1 may be formed on the front outer surface 31a of the first and second side portions 31c and 31d of the holder 30 .
- the at least one stopper 38B1 may be a protrusion or a protrusion protruding from the front outer surface 31a of the holder 30 .
- the lower surface 17 of the holder 30 may include a first surface 17A and a second surface 17B having a step difference in the second direction (eg, the X-axis direction) with the first surface 17A.
- the first surface 17A may be located adjacent to or abutting the front outer surface 31a of the holder 30
- the second surface 17B may be located adjacent or adjacent to the rear outer surface 31b of the holder 30 , or may be located adjacent to each other.
- the first surface 17A may be positioned below the second surface 17B.
- the second surface 17B may be located closer to the upper surface 18 of the holder 30 than the first surface 17A.
- the holder 30 Since the second surface 17B of the lower surface 17 of the holder 30 has a step difference from the first surface 17A, the holder 30 is tilted or a preset angle in the second direction (eg, the X-axis direction). When rotating as much as possible, spatial interference between the holder 30 and the second OIS coil 230C can be prevented.
- the second direction eg, the X-axis direction
- the holder 30 may include a first seating groove 16A for arranging or seating the first OIS magnet 31 and a second seating groove 16B for arranging or seating the second OIS magnet 32. have.
- the first seating groove 16A may be formed on an outer surface of each of the first and second side portions 31c and 31d of the holder 30 .
- the first seating groove 16A may be in the form of a groove recessed from the outer surface of each of the first and second side portions 31c and 31d of the holder 30 .
- the second seating groove 16B may be formed on the lower surface 17 (eg, the second surface 16B) of the holder 30 .
- the second seating groove 16B may be in the form of a groove recessed from the lower surface 17 (eg, the second surface 16B) of the holder 30 .
- At least two grooves 36A and 36B corresponding to the at least two front protrusions 61B1 and 61B2 of the driving plate 61 may be formed in the rear outer surface 31c of the holder 30 .
- the at least two grooves 36A and 36B of the holder 30 may be arranged to be spaced apart from each other in the third direction (eg, the Y-axis direction).
- the holder 30 has a first groove 36A formed on one side of the rear outer surface 31c and a second groove 36B spaced apart from the first groove 36A and formed on the other side of the rear outer surface 31c. ) may be included.
- each of the first groove 36A and the second groove 36B may be recessed from the rear outer surface 31c.
- Each of the first groove 36A and the second groove 36B may include a bottom surface and a plurality of side surfaces.
- each of the plurality of side surfaces of each of the first and second grooves 36A and 36B may have the same shape.
- the number of side surfaces of the first groove 36A in FIG. 48B is four, but is not limited thereto, and may be three or five or more in another embodiment.
- the areas of the plurality of side surfaces of the first and second grooves 36A and 36B may be equal to each other.
- a plurality of side surfaces of the first and second grooves 36A and 36B may be symmetrical to each other in the second direction and the third direction.
- the bottom surfaces of the first and second grooves 36A and 36B may be square or circular, but are not limited thereto.
- the first groove 36A and the second groove 36B may have the same shape.
- first groove and the second groove may have different shapes.
- the area of at least one of the plurality of side surfaces of the first groove or the second groove may be different from that of at least one of the other side surfaces.
- a protrusion 36A1 or a step may be formed around each of the first groove 36A and the second groove 36B.
- the protrusion 36A1 may protrude from the rear outer surface 31c.
- the protrusion 36A1 may be formed adjacent to the opening of each of the first and second grooves 36A and 36B, and may be formed to surround the opening of each of the first and second grooves 36A and 36B.
- the protrusion 36A1 may have a polygonal (eg, square) or circular shape.
- the holder 30 may include a groove 106 or an accommodation groove for receiving or arranging the first magnetic body 62 .
- a groove 106 for receiving or arranging the first magnetic body 62 may be formed in the rear outer surface 31b of the holder 30 .
- the groove 106 may be recessed from the rear outer surface 31c.
- the groove 106 may be disposed between the first groove 36A and the second groove 36B.
- the first housing 50 may be disposed in the first cover member 20 .
- an adhesive or a shield member may be disposed between the first housing 50 and the cover member 20 , and the first housing 50 may be coupled or fixed to the first cover member 20 .
- the holder 30 may be disposed in the first housing 50 .
- the first housing 50 may accommodate the holder 30 therein, and may expose the incident surface 8A and the emission surface 8B of the optical member 40 disposed in the holder 30 .
- the first housing 50 includes a first opening 53A (or a first hole) for exposing the incident surface 8A of the optical member 40 and the optical member 40 .
- a second opening 53B or a second hole for exposing the exit surface 8B.
- the first housing 50 may include an upper portion 27A, a lower portion 27B, and a plurality of side portions 28A-28D disposed between the upper portion 27A and the lower portion 27 .
- the upper portion 27A and the lower portion 27B may face each other in the second direction (eg, the X-axis direction) or may be located opposite to each other.
- the first housing 50 may include a first side 28A, a second side 28B, a third side 28C, and a fourth side 28D.
- first side portion 28A of the first housing 50 may be disposed to face or face the lens module 400 of the second actuator 320 in the first direction.
- the first opening 53A may be formed in the upper portion 27A, and the second opening 53B may be formed in the first side portion 28A.
- the second side portion 28B may face the first side portion 28A in the first direction or may be located opposite the first side portion 28A.
- the third side portion 28C and the fourth side portion 28D may be disposed between the first side portion 28A and the second side portion 28D, and may face each other in the third direction or may be opposite to each other.
- the third side portion 28C may connect one end of the first side portion 28A and one end of the second side portion 28B
- the fourth side portion 28D may connect the other end of the first side portion 28A and the second side portion.
- the other end of (28B) can be connected.
- the first housing 50 seats the first mounting portion 54A and the second OIS coil unit 230B formed on the third side portion 28C to seat or place the first OIS coil unit 230A. or a second seating portion 54B formed on the fourth side portion 28D for placement, and a third seating portion 54C formed on the lower portion 27B for seating or placing the third OIS coil unit 230C.
- each of the first to third seating parts 54A to 54C has a hole or through-hole shape, but is not limited thereto, and in another embodiment, at least one of the first to third seating parts 54A to 54C may have a groove shape.
- the first housing 50 may include at least one coupling protrusion 51 formed on at least one of the third side portion 28C and the fourth side portion 28D.
- the engaging protrusion 51 may protrude from the outer surface of each of the third side portion 28C and the fourth side portion 28D.
- the first housing 50 may include at least one coupling protrusion 52A formed on the first side portion 28A.
- the engaging protrusion 52A may protrude from the outer surface of the first side portion 28A.
- the first housing 50 may include at least one coupling protrusion 52B formed on the lower portion 28B.
- the coupling protrusion 52B may be formed to protrude from the outer surface of the lower portion 28B.
- Guide protrusions 9A and 9B for guiding the first circuit board 250A may be formed on at least one of an upper end and a lower end of the third side portion 28C of the first housing 50 .
- guide protrusions 9A and 9B for guiding the second circuit board 250B may be formed on at least one of the upper end and the lower end of the fourth side portion 28D of the first housing 50 .
- the first housing 50 may include a body 50A and a support portion 50B coupled to the body 50A and supporting at least a portion of the driving plate 610 .
- the body 50 may include the first and third and fourth side portions 28A, 28C, and 28D described above, and the support portion 50B may include the second side portion 28B described above.
- the reason that the body 50A and the support part 50B are separately configured is to arrange the driving plate 61 between the first housing 50 and the holder 30 to be coupled to each other.
- one end of the support portion 50B may be coupled to one end of the third side portion 28C of the first housing 50 , and the other end of the support portion 50B may be coupled to the fourth side portion of the first housing 50 ( 28D).
- a first coupling part may be formed at one end of the support part 50B, and a second coupling part may be formed at the other end of the support part 50B.
- a third coupling part coupled to the first coupling part of the support part 50B may be formed at one end of the third side part 28C of the first housing 50 , and the fourth side part 28D of the first housing 50 . ) at one end may be formed with a fourth coupling portion coupled to the second coupling portion of the support portion (50B).
- each of the first and second coupling portions of the support portion 50B may include at least one of at least one groove 55A, 55B or at least one protrusion 57A, 57B.
- Each of the third engaging portion of the third side portion 28C and the fourth engaging portion of the fourth side portion 28D of the first housing 50 may include at least one protrusion 59A or at least one groove.
- the support portion 50B may include at least two grooves 58A and 58B corresponding to the at least two rear projections 61C1 and 61C2 of the driving plate 61 .
- the at least two grooves 58A and 58B of the first housing 50 may be arranged to be spaced apart from each other in the second direction.
- at least two grooves 58A and 58B may be formed in the inner surface of the support portion 50B (or the second side portion 28B).
- the at least two grooves 58A and 58B may be recessed from the inner surface of the support portion 50B (or the second side portion 28B).
- the support portion 50B may include a first groove 58A and a second groove 58B that correspond to, face, or overlap the rear protrusions 61C1 and 61C2 of the driving plate 61 .
- a protrusion 58A1 or a step may be formed around each of the first groove 58A and the second groove 58B of the support part 50B, and the description of the protrusion part 36A1 of the holder 30 is the support part 50B. ) can be applied or analogously applied to the protrusion 58A1 (or step).
- the first housing 50 may include a groove 44A for disposing or seating the second magnetic body 63 .
- the groove 44A may be formed in the third side 28C of the first housing 50 .
- the groove 44A may be recessed from the outer surface of the third side portion 28C of the first housing 50 .
- the groove 44A may be formed in the support 50B.
- the two grooves 36A and 36B of the holder 30 are arranged or disposed to be spaced apart from each other in the third direction
- the two grooves 58A and 58B of the first housing 50 are connected to the second Although arranged or disposed spaced apart from each other in the direction, but is not limited thereto.
- the two grooves of the holder 30 may be arranged or disposed spaced apart from each other in the second direction, and The two grooves may be arranged or disposed spaced apart from each other in the third direction, the front protrusions of the driving plate 61 may be arranged or disposed spaced apart from each other in the second direction, and the rear protrusions of the driving plate 61 may be They may be arranged or disposed to be spaced apart from each other in the third direction.
- the support part 60 is disposed between the holder 30 and the first housing 50 , and may support the holder 30 with respect to the first housing 50 .
- the support part 60 may include a driving plate 61 disposed between the holder 30 and the first housing 50 .
- the drive plate 61 may be replaced with "mover plate”, “drive plate”, “plate”, “moving plate”, or “support plate” to be expressed.
- the driving plate 61 includes at least two front protrusions 61B1 and 61B2 coupled to the holder 30 and at least two rear protrusions coupled to the first housing 50 ( 61C1, 61C2).
- the front protrusion may be expressed by replacing the front protrusion or the first protrusion
- the rear protrusion may be expressed by replacing the rear protrusion or the second protrusion.
- the at least two front protrusions 61B1 and 61B2 may be arranged to be spaced apart from each other in the third direction.
- Each of the front protrusions 61B1 and 61B2 may be disposed to be inserted into a corresponding one of the first and second grooves 36A and 36B of the holder 30 .
- the at least two rear protrusions 61C1 and 61C2 may be arranged to be spaced apart from each other in the second direction.
- Each of the rear protrusions 61C1 and 61C2 may be disposed to be inserted into a corresponding one of the first and second grooves 58A and 58B of the first housing 50 .
- the driving plate 61 includes the body 61A, the front protrusions 61B1 and 61B2 protruding from the front surface 74A (or the first surface or either side) of the body 61A, and the rear surface of the body 61A. It may include rear projections 61C1 and 61C2 protruding from the 74B (or the second surface or the other surface).
- the front protrusions 61B1 and 61B2 and the rear protrusions 61C1 and 61C2 may protrude in opposite directions.
- the front protrusion may be expressed by replacing the “first protrusion”
- the rear protrusion may be expressed by replacing the “second protrusion”.
- the body 61A may be a plate-shaped member and may include a flat portion.
- each of the front protrusions 61B1 and 61B2 may have a curved shape, a hemispherical shape, a dome shape, or a polyhedral shape, but is not limited thereto.
- the front protrusions 61B1 and 61B2 may have a convex curved shape, a hemispherical shape, or a dome shape in a direction from the rear surface 74B to the front surface 74A of the body 61A.
- the shape of the front protrusions 61B1 and 61B2 viewed from the front may be circular, oval, or polygonal.
- each of the rear protrusions 61C1 and 61C2 may have a curved shape, a hemispherical shape, a dome shape, or a polyhedral shape, but is not limited thereto.
- the rear protrusions 61C1 and 61C2 may have a convex curved shape, a hemispherical shape, or a dome shape in a direction from the front surface 74A to the rear surface 74B of the body 61A.
- the shape of the rear projections 61C1 and 61C2 viewed from the rear may be circular, oval, or polygonal.
- a lubricant such as grease, may be disposed between the front protrusions 61B1 and 61B2 of the driving plate 61 and the first and second grooves 36A and 36B of the holder 30 .
- the protrusions 36A1 of the holder 30 can prevent the lubricant from overflowing toward the body 61A of the drive plate 61 .
- a lubricant for example, grease may be disposed between the rear projections 61C1 and 61C2 of the driving plate 61 and the first and second grooves 58A and 58B of the first housing 50 .
- the protrusions 58A1 of the first housing 50 can prevent the lubricant from overflowing toward the body 61A of the drive plate 61 .
- front grooves may be formed on the front surface of the driving plate instead of the front projections
- rear grooves may be formed on the rear surface of the driving plate instead of the rear projections
- the holder has first and second grooves 36A, 36B) instead of protrusions for engaging with the front grooves of the driving plate may be formed
- the first housing may be formed with protrusions for engaging with the rear grooves of the driving plate instead of the first and second holes 58A and 58B.
- the support part 60 may further include a first magnetic body 62 coupled to the holder 30 and a second magnetic body 63 coupled to the first housing 40 .
- the first magnetic body 62 may be disposed in the groove 106 of the holder 30
- the second magnetic body 63 may be disposed in the groove of the first housing 50 ( 44A).
- the first magnetic body 62 may be coupled to the groove 106 of the holder 30 by an adhesive
- the second magnetic body 63 may be coupled to the groove 44A of the first housing 50 by an adhesive.
- the first magnetic body 62 and the second magnetic body 63 may be disposed to face or overlap each other in the first direction.
- the driving plate 61 may be disposed between the first magnetic body 62 and the second magnetic body 63 , and in the first direction the first magnetic body 62 , the driving plate 61 , and the second magnetic body ( 63) may face each other or overlap.
- An attractive force may be applied between the first magnetic body 62 and the second magnetic body 63, and the driving plate 61 may be in close contact with the holder 30 and the first housing 50 by this attractive force, and the holder ( 30) can be stably supported with respect to the first housing 50 by the driving plate 61, whereby a stable and accurate OIS operation can be performed.
- first magnetic body and the second magnetic body may be disposed on one side of the driving plate with respect to the driving plate, and the magnetic force between the first magnetic body and the second magnetic body may be a repulsive force.
- the length L1 of the first magnetic body 62 in the second direction may be less than or equal to the length L2 of the second magnetic body 63 in the second direction (L1 ⁇ L2).
- the length L3 of the first magnetic body 62 in the third direction may be less than or equal to the length L4 of the second magnetic body 63 in the third direction (L3 ⁇ L4).
- the length of the first magnetic body 62 in the second direction may be greater than the length of the second magnetic body 63 in the second direction, and the length of the first magnetic body 62 in the third direction is The length in the third direction of the second magnetic body 63 may be greater than that of the second magnetic body 63 .
- the area of the first surface of the first magnetic body 62 facing the second magnetic body 63 may be smaller than or equal to the area of the first surface of the second magnetic body 63 facing the first magnetic body 62 .
- the area of the first surface of the first magnetic material may be larger than the area of the first surface of the second magnetic material.
- an attractive force may act between the first magnetic body 62 and the second magnetic body 63 .
- the first magnetic body 62 may include a first magnet
- the second magnetic body 63 may include a second magnet in which an attractive force acts with the first magnet.
- the surfaces of the first magnetic body 62 and the second magnetic body 63 facing each other may have different polarities (N pole or S pole).
- the first driving unit 70 tilts the holder 30 in the second direction or the third direction or rotates it by a preset angle.
- the first driving unit 70 may include an OIS magnet 31 and an OIS coil 230 .
- the first driving unit 70 may further include an OIS position sensor unit 240 and a first substrate unit 250 .
- the OIS magnet 31 may be disposed on the holder 30 .
- the OIS magnet 31 may include the first OIS magnets 31A and 31B and the second OIS magnet 32 .
- the first OIS magnet is a first magnet unit 31A disposed on the first side part 31c of the holder 30 and a second magnet unit 31B disposed on the second side part 31d of the holder 30 ).
- the first magnet unit 31A may face or overlap the second magnet unit 31B in the third direction.
- the first magnet unit 31A may be disposed in the first seating groove 16A of the first side part 31c of the holder 30
- the second magnet unit 31B is the second of the holder 30 . It may be disposed in the first seating groove 16A of the side part 31d.
- the second OIS magnet 32 may include a third magnet unit 32 disposed on the lower surface 17 of the holder 30 .
- the third magnet unit 32 may be disposed in the second seating groove 16B of the holder 30 .
- Each of the first to third magnet units 31A, 31B, and 32 may be a unipolar magnetized magnet having one N pole and one S pole, but is not limited thereto, and in another embodiment, two N poles and It may be a bipolar magnet having two S poles. In another embodiment, at least one of the first to third magnet units 31A, 31B, and 32 may be a unipolar magnet, and the rest may be a bipolar magnet.
- the OIS coil 230 may be disposed in the first housing 50 to correspond to or face the OIS magnet 31 .
- the OIS coil 230 corresponds to, faces, or overlaps the first OIS magnets 31A and 31B in the third direction, and the first OIS coils 230A and 230B and the second OIS magnet 32 in the second direction.
- a second OIS coil 230C corresponding to, opposite to, or overlapping with may be included.
- the first OIS coil corresponds to, faces, or overlaps the first OIS coil unit 230A in the third direction and the second magnet unit 31B in the third direction corresponds to, opposes the first magnet unit 31A.
- the second OIS coil may include an overlapping second OIS coil unit 230B.
- the second OIS coil may include a third OIS coil unit 230C corresponding to, opposite to, or overlapping with the third magnet unit 32 in the second direction.
- the term "OIS coil unit" may be expressed by replacing it with "coil unit" or "coil".
- the first OIS coil unit 230A may be disposed on the third side portion 28C (eg, the first hole 34A) of the first housing 50
- the second OIS coil unit 230B may 1 may be disposed on the fourth side portion 28D (eg, the second hole 54B) of the housing 50
- the third OIS coil unit 230C may be disposed on the lower portion 28B (eg, the second hole 54B) of the first housing 50 .
- the third hole 54C may be disposed on the third side portion 28C (eg, the first hole 34A) of the first housing 50
- the second OIS coil unit 230B may 1 may be disposed on the fourth side portion 28D (eg, the second hole 54B) of the housing 50
- the third OIS coil unit 230C may be disposed on the lower portion 28B (eg, the second hole 54B) of the first housing 50 .
- the third hole 54C may be disposed on the third side portion 28C (eg, the first hole 34A) of the first housing 50
- the first OIS coil unit 230A may have a closed curve or ring shape including a hollow or a hole.
- the first OIS coil unit 230A may be implemented in the form of a coil ring wound in a clockwise or counterclockwise direction with respect to a third axis parallel to the third direction.
- the second OIS coil unit 230B may have a closed curve or a ring shape including a hollow or a hole.
- the second OIS coil unit 230B may be implemented in the form of a coil ring wound in a clockwise or counterclockwise direction with respect to a third axis parallel to the third direction.
- the third OIS coil unit 230C may have a closed curve or a ring shape including a hollow or a hole.
- the third OIS coil unit 230C may be implemented in the form of a coil ring wound in a clockwise or counterclockwise direction with respect to a second axis parallel to the second direction.
- first electromagnetic forces F21 , F22 , F31 , and F32 may be generated by the interaction between the first OIS magnets 31A and 31B and the first OIS coils 230A and 230B. That is, the first electromagnetic force may be generated by the interaction between the first magnet unit 31A and the first OIS coil unit 230A and the interaction between the second magnet unit 31B and the second OIS coil unit 230B. .
- the 1-1 electromagnetic forces F21 and F31 may be generated by the interaction between the first magnet unit 31A and the first OIS coil unit 230A, and the second magnet unit 31B and the second OIS
- the first-second electromagnetic force F22 and F32 may be generated by the interaction between the coil units 230B, and the first electromagnetic force is the first-first electromagnetic force F21 and F31 and the first-second electromagnetic force F22 and F32. ) may be included.
- the second electromagnetic forces F1 and F2 may be generated by the interaction between the second OIS magnet 32 and the third OIS coil unit 230C.
- the OIS moving unit (eg, the holder 30) may be tilted in a second axis (eg, the X-axis) by the first electromagnetic force F21, F22, F31, and F32.
- the second axis (X axis) tilting means that the OIS moving unit is tilted with respect to the second axis (X axis) or the OIS moving unit is rotated by a preset angle with respect to the second axis (X axis) as the rotation axis.
- the OIS moving unit may be tilted in a third axis (eg, Y axis) by the second electromagnetic forces F1 and F2.
- the third axis (Y axis) tilting means that the OIS moving unit is tilted with respect to the third axis or the OIS moving unit is rotated by a preset angle with the third axis as the rotation axis.
- the OIS moving unit may include a holder 30 .
- the OIS moving unit may further include a configuration coupled or mounted to the holder 30 , for example, the OIS magnets 31A, 31B, 32 , and the yoke 33 .
- the OIS moving unit may further include at least one of the driving plate 61 and the first magnetic body 62 .
- first OIS coil unit 230A and the second OIS coil unit 230B may overlap in the third direction (Y-axis direction), and the first OIS magnet 31A and the second OIS magnet 31B are They may overlap in the third direction.
- the electromagnetic force is applied to the first side part 31c and the fourth side part 31d of the holder 30 in a balanced way, so that the X-axis tilt can be accurately and precisely performed.
- the camera device 200 may further include yokes 33 (33A, 33B, 33C) disposed on the OIS magnets 31 and 32 .
- the yoke 33 is a first yoke 33A disposed in the first magnet unit 31A, a second yoke 33B disposed in the second magnet unit 31B, and a third magnet unit 32 . It may include a third yoke (33C) disposed.
- the first yoke 33A may be disposed in the first seating groove 16A of the first side portion 31c of the holder 30 .
- the first yoke 33A may be disposed inside the first magnet unit 31A.
- the second yoke 33B may be disposed in the first seating groove 16A of the second side part 31d of the holder 30 .
- the second yoke 33B may be disposed inside the second magnet unit 31B.
- the third yoke 33C may be disposed in the second seating groove 16B of the holder 30 .
- the third yoke 33C may be disposed inside the third magnet unit 32 .
- the first yoke 33A and the second yoke 33B may increase the first electromagnetic force
- the third yoke 33C may increase the second electromagnetic force.
- the first substrate unit 250 may be disposed in the first housing 50 .
- the first substrate unit 250 may be coupled to the first housing 50 .
- the first substrate unit 250 may be electrically connected to the OIS coil 230 and may supply a driving signal to the OIS coil 230 .
- the first OIS coil unit 230A and the second OIS coil unit 230B may be serially connected to each other, and the first substrate unit 250 may connect the first driving signal in series to the first and second OIS coil units. It can be provided to the ones 230A and 230B. Also, the first substrate unit 250 may provide a second driving signal to the third OIS coil unit 230C. In another embodiment, the first OIS coil unit 230A and the second OIS coil unit 230B are not electrically connected to each other, and may be independently and independently connected to the first substrate unit 250 and the first substrate unit 250 . ) may provide independent driving signals to each of the first OIS coil unit 230A and the second OIS coil unit 230B.
- the substrate portion 250 includes a first circuit board 250A disposed on the third side 28C of the first housing 50 , and a second circuit board disposed on the fourth side 28D of the first housing 50 . 250B, and a third circuit board 250C disposed on the lower portion 27B of the first housing 50 .
- the first to third circuit boards 250A to 250C may be a single integrated substrate and may be electrically connected to each other. In another embodiment, at least one of the first to third circuit boards may not be integral with the others, and both may be electrically connected by solder or a conductive adhesive member.
- a hole 251A for coupling with the coupling protrusion 51 of the third side portion 28C of the first housing 50 may be formed in the first circuit board 250A.
- the first circuit board 250A may include a plurality of terminals 251 .
- the first OIS coil unit 230A may be disposed or mounted on the first surface of the first circuit board 250A.
- the plurality of terminals 251 may be disposed on the second surface of the first circuit board 250A, but the present invention is not limited thereto.
- the plurality of terminals 251 may be disposed on the first surface of the first circuit board 250A. It might be
- the first surface of the first circuit board 250A may be a surface opposite to the outer surface of the third side portion 28C of the first housing 140 .
- the second surface of the first circuit board 250A may be opposite to the first surface of the first circuit board 250A.
- the first board unit 250 may include a bent portion connecting the second circuit board 250B and the third circuit board 250C and between the first circuit board 250A and the third circuit board 250C.
- a hole 251B for coupling with the coupling protrusion 51 of the fourth side portion 28D of the first housing 50 may be formed in the second circuit board 250B, and the second circuit board 250B includes a plurality of may include terminals 252 of
- a hole 251C for coupling with the coupling protrusion 52B of the lower portion 28B of the first housing 50 may be formed in the third circuit board 250C.
- the second OIS coil unit 230B may be disposed or mounted on the first surface of the second circuit board 250B.
- the plurality of terminals 252 may be disposed on the second surface of the second circuit board 250B, but the present invention is not limited thereto.
- the plurality of terminals 252 may be disposed on the first surface of the second circuit board 250B. It might be
- the first surface of the second circuit board 250B may be a surface opposite to the outer surface of the fourth side portion 28C of the first housing 140 .
- the second surface of the second circuit board 250B may be opposite to the first surface of the second circuit board 250B.
- the third OIS coil unit 230C may be disposed or mounted on the first surface of the third circuit board 250C.
- the first surface of the third circuit board 250C may be a surface opposite to the outer surface of the lower portion 28B of the first housing 140 .
- the first board unit 250 may include at least one of a rigid printed circuit board (Rigid PCB), a flexible printed circuit board (Flexible PCB), and a rigid flexible printed circuit board (RigidFlexible PCB).
- the first substrate unit 250 may include a wiring pattern for electrically connecting the components disposed on the first to third circuit boards 250A, 250B, and 250C and the plurality of terminals 251 . have.
- the OIS position sensor unit 240 detects a position in the second direction and/or the third direction of the OIS moving unit according to the movement of the OIS moving unit, and outputs an output signal according to the sensing result.
- the OIS position sensor unit 240 may be replaced with a “second position sensor unit”.
- the OIS position sensor unit 240 may include a plurality of position sensors.
- the OIS position sensor unit 240 may include first OIS position sensors 240A and 240B and a second OIS position sensor 240C.
- At least a portion of the first OIS position sensors 240A and 240B may correspond to, face, or overlap the first OIS magnet 31 in the third direction, and detect the strength of the magnetic field of the first OIS magnet 31 .
- the first OIS position sensor may include a first sensor 240A disposed or mounted on the first circuit board 250A and a second sensor 240B disposed or mounted on the second circuit board 240B.
- the first sensor 240A may be disposed in a hollow (or hole) of the first OIS coil unit 230A
- the second sensor 240B may be disposed in a hollow (or hole) of the second OIS coil unit 230B. can be placed within.
- each of the first sensor 240A and the second sensor 240B may be a Hall sensor including first and second input terminals and first and second output terminals.
- the first and second input terminals of the first sensor 240A and the first and second input terminals of the second sensor 240B may be connected in parallel, and the driver 542 includes the first and second sensors 240A. , 240B) may supply a driving signal or power to the first and second input terminals connected in parallel.
- the first and second output terminals of the first sensor 240A and the first and second output terminals of the second sensor 240B may be connected in series, and the first and second output terminals of the first and second sensors 240A and 240B may be connected in series.
- a first output signal may be output from both ends of the connected first and second output terminals, and the first output signal may be transmitted to the driver 542 .
- the first output terminal of the first sensor 240A may be connected in series with the second output terminal of the second sensor 240B through the first substrate unit 250 , and the first output of the first sensor 240A
- the terminal and the second output terminal of the second sensor 240B may be output terminals having opposite polarities.
- the first output signal of the first OIS position sensor may be output to the second output terminal of the first sensor 240A and the first output terminal of the second sensor 240B, and the first output signal of the first sensor 240A
- the second output terminal and the first output terminal of the second sensor 240B may be output terminals having opposite polarities.
- At least a portion of the second OIS position sensor 240C may correspond to, face, or overlap the second OIS magnet 32 in the second direction, and may detect the strength of the magnetic field of the second OIS magnet 32 . .
- the second OIS position sensor 240C may include a third sensor 240C1 and a fourth sensor 240C2 disposed or mounted on the third circuit board 250C.
- the third sensor 240C1 and the fourth sensor 240C2 may face or overlap the third OIS magnet 32 in the second direction.
- the third sensor 240C1 and the fourth sensor 240C2 may be arranged to be spaced apart from each other in the third direction.
- the third sensor 240C1 and the fourth sensor 240C may be disposed in a hollow (or hole) of the third OIS coil unit 230C.
- each of the third sensor 240C1 and the fourth sensor 240C2 may be a Hall sensor including first and second input terminals and first and second output terminals.
- the first and second input terminals of the third sensor 240C1 and the first and second input terminals of the fourth sensor 240B may be connected in parallel, and the driver 542 is connected to the third and fourth sensors 240C1 . , 240C2) may supply a driving signal or power to the first and second input terminals connected in parallel.
- the first and second output terminals of the third sensor 240C1 and the first and second output terminals of the fourth sensor 240C2 may be connected in series, and the third and fourth sensors 240C1,240C2 may be connected in series.
- a second output signal may be output from both ends of the connected first and second output terminals, and the second output signal may be transmitted to the driver 542 .
- the first output terminal of the third sensor 240C1 may be connected in series with the second output terminal of the fourth sensor 240C2 through the first substrate unit 250 , and the first output of the third sensor 240C1 is The terminal and the second output terminal of the fourth sensor 240C2 may be output terminals having opposite polarities.
- the second output signal of the second OIS position sensor may be output to the second output terminal of the third sensor 240C1 and the first output terminal of the fourth sensor 240C2, and the second output of the third sensor 240C1
- the terminal and the first output terminal of the fourth sensor 240C2 may be output terminals having opposite polarities.
- the magnitude of the first output signal may be greater than the magnitude of the output of one sensor. Also, since the output terminals of the third and fourth sensors 240C1 and 240C2 are serially connected to each other, the magnitude of the second output signal may be greater than the magnitude of the output of one sensor.
- the respective output terminals of the first and second sensors may be independent of each other without being connected, and may output independent output signals.
- the output terminals of each of the third and fourth sensors may be independent of each other without being connected, and may output independent output signals.
- the first OIS position sensor may include one position sensor (eg, a hall sensor or a driver IC including a hall sensor), and the second OIS position sensor may include one position sensor (eg, a hall sensor) or a driver IC including a Hall sensor).
- one position sensor eg, a hall sensor or a driver IC including a hall sensor
- the second OIS position sensor may include one position sensor (eg, a hall sensor) or a driver IC including a Hall sensor).
- FIG. 53 is a perspective view of the second actuator 320 and the image sensing unit 330 according to the embodiment
- FIG. 54a is a first exploded perspective view of the second actuator 320 and the image sensing unit 330 of FIG. 53
- 54B is a second exploded perspective view of the second actuator 320 and the image sensing unit 330 of FIG. 53
- FIG. 55 is a third substrate unit 530, a gyro sensor 332, a fixing unit 410, and It is a perspective view of the support holder 340
- FIG. 56 is a perspective view of the support holder 340 and the fixing part 340
- FIG. 57a is a cross-sectional view ab of the second actuator 320 and the image sensing part 330 of FIG. , FIG.
- FIG. 57B is a cd sectional view of the second actuator 320 and the image sensing unit 330 of FIG. 53
- FIG. 58A is a first exploded perspective view of the second actuator 320
- FIG. 58B is the second actuator 320 .
- the second actuator 320 moves the second housing 610, the bobbin 110 disposed in the second housing 610, and the bobbin 110 in the first direction (eg, the optical axis). direction or the Z-axis direction) may include a second driving unit 630 .
- the bobbin 110 may be replaced with a “lens holder”.
- the second actuator 320 may further include a lens module 400 coupled to the bobbin 110 .
- the second actuator 320 may include an elastic member 650 coupled to the bobbin 110 and the second housing 610 , and the elastic member 650 may be configured to allow the bobbin 110 to move in the optical axis direction.
- the bobbin 110 may be supported with respect to the housing 610 .
- the housing 610 may be a fixed part, and the bobbin 110 may be an AF moving part.
- the second actuator 320 may further include a second cover member 300 accommodating the second housing 610 and the bobbin 110 .
- the second cover member 300 may have a box shape including an upper plate 301 and a side plate 302 , and a lower portion thereof may be opened.
- An opening 304 or a hole exposing at least a portion of the lens module 400 may be formed in the upper plate 301 of the second cover member 300 .
- At least one protrusion 303 for coupling with the hole 140A2 of the support holder 340 of FIG. 55 may be formed on the side plate 302 of the second cover member 300 .
- At least one protrusion 303 may protrude from the side plate 302 in a direction perpendicular to the optical axis direction.
- the second cover member 300 includes at least one protrusion 306 extending in the upper surface direction of the bobbin 110 from one region of the opening 304 formed in the upper plate 301 . can be provided At least a portion of the protrusion 306 may be disposed in a groove 115 provided on an upper portion or an upper surface of the bobbin 110 .
- the protrusion 306 may contact the bottom surface of the groove 115 of the bobbin 110 , so that the protrusion 306 moves in the first direction of the bobbin 110 , for example, in the image sensing unit 330 .
- the first actuator 310 may serve as a stopper limiting movement in a direction within a preset range.
- the second cover member 300 may be formed of a metal plate, but is not limited thereto, and may be formed of a plastic or resin material. Also, for example, the second cover member 300 may be made of a material that blocks electromagnetic waves.
- the side plate 302 of the second cover member 300 has an opening 305A through which the terminals 251 and 252 of the first substrate part 250 and the terminals 255A and 255B of the second substrate part 190 are exposed. , 305B).
- the second cover member 300 may have a first opening 305A formed in a first side plate of the second cover member 300 corresponding to or opposite to the first circuit board 250A of the first substrate part 250 . and a first opening 305B formed in a second side plate of the second cover member 300 corresponding to or opposite to the second circuit board 250B of the first substrate unit 250 .
- each of the first and second openings 305A and 305B may be a through hole, and the first opening 305A is connected to the terminals 251 of the first circuit board 250A of the first substrate unit 250 and The terminals 255A of the first circuit board 192 of the second board part 190 may be exposed, and the second opening 305B is formed of the second circuit board 250B of the first board part 250 . The terminals 252 and the terminals 255B of the second circuit board 194 of the second board unit 190 may be exposed.
- the second housing 610 may be disposed between the first housing 50 and the image sensor unit 330 (eg, the sensor base 550 ).
- the second housing 610 may be replaced with “base” or “holder”.
- the second housing 610 may be disposed inside the second cover member 300 , and has a polyhedral (eg, rectangular parallelepiped) shape having a space therein to accommodate the lens module 400 and the second driving unit 630 .
- a polyhedral eg, rectangular parallelepiped
- the second housing 610 may have a hollow or a through hole for accommodating the bobbin 110 .
- the second housing 610 includes a plurality of side portions 141-1 to 141-4 disposed between the upper (or upper), lower (or lower), upper (or upper) and lower (or lower) portions of the housing 610 .
- the side portions 141-1 to 141-4 may be replaced with “side plates” or “side walls”.
- the first side portion 141-1 and the second side portion 141-2 may face each other in the third direction or may be located opposite to each other.
- the third side portion 141-3 and the fourth side portion 141-3 are disposed between the first side portion 141-1 and the second side portion 141-2, and are viewed from each other in the second direction or opposite to each other. can be located
- a first opening 141a (or a first hole) through which the first coil 120A is disposed or seated may be formed in the first side portion 141-1 of the second housing 610
- the second A second opening 141b (or a second hole) through which the second coil 120B is disposed or seated may be formed in the second side portion 141 - 2 of the housing 610
- Each of the first and second openings 141a and 141b is in the form of a through hole, but is not limited thereto, and may be in the form of a groove.
- the second housing 610 is provided with a stopper on the upper portion, the upper end, or the upper surface. (144) may be formed.
- the bobbin 110 may include an opening, a through hole, or a hollow 101 for mounting the lens module 400 , and may be disposed in the housing 140 .
- the bobbin 110 may include a receiving groove 111A for accommodating, disposing, or seating the first and second magnet units 130-1 and 130-2.
- the receiving groove 111A includes a first side portion 110-1 of the bobbin 110 facing the first coil unit 120A and a second side portion 110 of the bobbin 110 facing the second coil unit 120B. -2) can be formed on each.
- At least one groove 115 corresponding to the protrusion 306 of the second cover member 300 may be formed in the upper or upper surface of the bobbin 110 .
- the groove 115 in the first direction may overlap the protrusion 306 of the second cover member 300 .
- the bobbin 110 may include a lower stopper 117 protruding from a lower portion (or lower surface).
- the elastic member 650 may include at least one of the first elastic member 150 and the second elastic member 160 .
- the elastic member may be expressed by replacing it with an elastic unit or a spring.
- the first elastic member 150 may be coupled to an upper portion (upper or upper surface) of the second housing 610 and an upper portion (upper or upper surface) of the bobbin 110 .
- the first elastic member 150 may include a plurality of first upper elastic members spaced apart from each other, for example, a first upper elastic member 150A and a second upper elastic member 150B.
- At least one of the first and second upper elastic members 150A and 150B may include an upper portion, an upper surface, or an upper portion of the first inner frame 151 and the second housing 610 coupled to the upper portion of the bobbin 110 . , an upper surface, or a first outer frame 152 coupled to the top, and a first frame connection part 153 connecting the first inner frame 151 and the first outer frame 152 .
- a through hole may be formed in the first inner frame 151 , and a protrusion for coupling with the through hole of the first inner frame may be provided on an upper portion (top or upper surface) of the bobbin 110 .
- a through hole 152a may be formed in the first outer frame 152 , and a protrusion 145 for coupling with the through hole 152a may be provided on the upper portion (upper or upper surface) of the second housing 610 .
- the first elastic member may include one upper elastic member that is not separated from each other.
- the second elastic member 160 may be coupled to a lower portion (lower or lower surface) of the second housing 610 and a lower portion (lower or lower surface) of the bobbin 110 .
- the second elastic member 160 may include a plurality of lower elastic members spaced apart from each other, for example, first and second lower elastic members 160A and 160B.
- At least one of the first and second lower elastic members 160A and 160B is a second inner frame 161 coupled to a lower portion, a lower surface, or a lower end of the bobbin 110 , and a lower portion and a lower surface of the second housing 610 . , or a second outer frame 162 coupled to the lower end, and a second frame connecting portion 163 connecting the second inner frame 161 and the second outer frame 162 .
- a through hole 161a may be formed in the second inner frame 161 , and a lower portion (lower or lower surface) of the bobbin 110 may be coupled to the through hole 161a of the second inner frame 161 .
- a protrusion 116 may be provided.
- a through hole 162a may be formed in the second outer frame 162 , and a protrusion 147 for coupling with the through hole 162a may be provided in the lower portion (lower or lower surface) of the second housing 610 .
- the second elastic member may include one lower elastic member that is not separated from each other.
- the above-described inner frame may be expressed by replacing the “inner portion”
- the outer frame may be expressed by replacing the “outer portion”
- the frame connecting portion may be expressed by replacing the “connecting portion”.
- the second driving unit 630 moves the bobbin 110 and the lens module 400 in the first direction.
- the second driving unit 630 may include a magnet 130 disposed on the bobbin 110 and a coil 120 disposed on the second housing 610 .
- the magnet 130 includes a first magnet 130A disposed on the first side part 110-1 of the bobbin 110 and a second magnet disposed on the second side part 110-2 of the bobbin 110 ( 130B).
- the first magnet 130A and the second magnet 130B may be disposed in the receiving groove 111A of the bobbin 110 .
- each of the first and second magnets 130A and 130B may be a single-pole magnetized magnet including one N pole and one S pole.
- each of the first and second magnets 130A and 130B may be a positively polarized magnet including two N poles and two S poles.
- the coil 120 corresponds to, faces, or overlaps the first magnet 130A in the third direction and is disposed on the first side portion 141-1 of the second housing 610
- the first coil 120A and the third A second coil 120B corresponding to, opposite to, or overlapping with the second magnet 130B in the direction and disposed on the second side portion 141 - 2 of the second housing 610 may be included.
- each of the first coil 120A and the second coil 120B may be disposed in a corresponding one of the first and second openings 141a and 141b of the second housing 610 .
- each of the first coil 120A and the second coil 120B may have a closed curve or a ring shape having a hollow (or hole).
- each of the first coil 120A and the second coil 120B may have a coil ring shape wound in a clockwise or counterclockwise direction with respect to (or about) a third axis parallel to the third direction.
- the N pole and S pole of the first magnet 130A may be disposed to face the first coil 120A
- the N pole and S pole of the second magnet 130B may face the second coil 120B. It can be placed for viewing.
- a hollow or hole of each of the first and second coils 120A and 120B may face the first and second magnets 130A and 130B in the third direction.
- the bobbin 110 may move in the first direction.
- Each of the number of coils included in the coil 120 and the number of magnets included in the magnet 130 is not limited to two, and may be one or more in another embodiment.
- the coil 120 is disposed on the second housing 610 and the magnet 130 is disposed on the bobbin 110 in FIGS. 58A and 58B , the present invention is not limited thereto. In another embodiment, the coil may be disposed on the bobbin 110 , and the magnet may be disposed on the housing 610 to correspond to or face the coil.
- the second driving unit 630 may further include a second substrate unit 190 electrically connected to the first coil 120A and the second coil 120B.
- the second board unit 190 may be a printed circuit board.
- the second substrate unit 190 may be disposed in the second housing 610 .
- the second substrate part 190 includes the first circuit board 192 disposed on the first side part 141-1 of the second housing 610 and the second side part 141-2 of the second housing 610 .
- first circuit board 192 may be coupled to the first side portion 141-1 of the second housing 610
- second circuit board 194 may be coupled to the second side portion ( 141-1) of the second housing 610 . 141-2) can be combined.
- a coupling protrusion (eg, 146 ) may be formed on at least one of the first side portion 141-1 and the second side portion 141-2 of the second housing 610 , and the second substrate portion 190 .
- a coupling hole 192A for coupling with a coupling protrusion (eg, 146) may be formed in at least one of the first and second circuit boards 192 and 194 of the .
- the first coil 120A may be disposed, coupled, or mounted on the first circuit board 192 , and may be electrically connected to the first circuit board 192 .
- the second coil 120B may be disposed, coupled, or mounted on the second circuit board 194 , and may be electrically connected to the second circuit board 194 .
- the first coil 120A may be disposed or mounted on the first surface of the first circuit board 192 .
- the first surface of the first circuit board 192 may be a surface facing the first side portion 141-1 of the second housing 610 in the third direction.
- the second coil 120B may be disposed or mounted on the first surface of the second circuit board 194 .
- the first surface of the second circuit board 194 may be a surface facing the second side portion 141 - 2 of the second housing 610 in the third direction.
- the first circuit board 192 may be electrically connected to the first coil 120A.
- two pads electrically connected to the first coil 120A may be formed on the first surface of the first circuit board 192 .
- the first circuit board 192 may include a plurality of terminals 254A.
- the plurality of terminals 254A may be formed on the second surface of the first circuit board 192 .
- the second surface of the first circuit board 192 may be opposite to the first surface of the first circuit board 192 .
- two terminals of the plurality of terminals 254A may be electrically connected to two pads of the first circuit board 192 connected to the first coil 120A, and electrically connected to the first coil 120A. can be connected to
- the second circuit board 194 may be electrically connected to the second coil 120B.
- two pads electrically connected to the second coil 120B may be formed on the first surface of the second circuit board 194 .
- the second circuit board 194 may include a plurality of terminals 254B.
- the plurality of terminals 254B may be formed on the second surface of the second circuit board 194 .
- the second surface of the second circuit board 194 may be opposite to the first surface of the circuit board 192 .
- two terminals of the plurality of terminals 254B may be electrically connected to two pads of the second circuit board 194 connected to the second coil 120B, and electrically connected to the second coil 120B. can be connected to
- the second substrate unit 190 may include terminals 255A and 255B electrically connected to the terminals 251 and 252 of the first substrate unit 250 .
- the terminals 255A of the first circuit board 192 of the second board part 190 are connected to the terminals 251 of the first circuit board 250A of the first board part 250 by soldering or a conductive adhesive. ) can be electrically connected to.
- the terminals 255B of the second circuit board 194 of the second board part 190 are connected to the terminals ( ) of the second circuit board 250B of the first board part 250 by soldering or a conductive adhesive. 252) and may be electrically connected.
- the second actuator 320 may further include a base 210 disposed behind the bobbin 110 and/or the housing 610 .
- a base 210 disposed behind the bobbin 110 and/or the housing 610 .
- one side of the first actuator 310 is referred to as a front side
- the other side of the image sensing unit 330 side is referred to as a rear side.
- the base 210 may be disposed behind the second elastic member 160 .
- the base 210 may have an opening 101 of the bobbin 110 or/and an opening 201 corresponding to the opening of the second housing 610 , and coincident with or corresponding to the second cover member 300 . It may have a shape, for example, a rectangular shape.
- the opening 201 of the base 210 may be in the form of a hole or a through hole.
- the base 210 may be disposed under the second elastic member 160 .
- a step 211 to which an adhesive may be applied may be provided.
- the step 211 may guide the second cover member 300 coupled to the upper side, and may face the lower end of the side plate 302 of the second cover member 300 .
- An adhesive member and/or a sealing member may be disposed or applied between the lower end of the side plate 302 of the base 210 and the step 211 of the base 210 .
- a protrusion 216 may be provided at an edge of the upper surface of the base 210 .
- the protrusion 216 may have a polygonal column shape protruding from the upper surface of the base 210 so as to be perpendicular to the upper surface of the base 210 , but is not limited thereto.
- the protrusion 216 may be coupled to a lower portion or a lower end of a corner of the second housing 610 .
- the corners of the protrusion 216 and the second housing 610 may be fastened or coupled by an adhesive member (not shown) such as epoxy or silicone.
- the base 210 may include a stopper 23 protruding from the upper surface, and the stopper 23 may correspond to, oppose, or overlap the stopper 117 of the bobbin 110 in the first direction.
- the stopper 23 of the base 210 and the stopper 117 of the bobbin 110 may prevent the lower surface or the lower end of the bobbin 210 from directly colliding with the upper surface of the base 210 when an external impact occurs.
- the second actuator may further include an AF position sensor unit 170 for performing feedback driving for accurate AF operation.
- the AF position sensor unit 170 may be disposed on the second substrate unit 190 and may be electrically connected to the second substrate unit 190 .
- the AF position sensor unit 1700 may detect the strength of the magnetic field of the magnet 130 , and may detect the position or displacement of the bobbin 110 .
- the AF position sensor unit 170 may include a first position sensor 71 and a second position sensor 72 .
- the first position sensor 71 may be disposed or mounted on the first circuit board 192 , and may be electrically connected to the first circuit board 192 .
- the second position sensor 72 may be disposed or mounted on the second circuit board 194 , and may be electrically connected to the second circuit board 184 .
- the first position sensor 71 may be disposed or mounted on the first surface of the first circuit board 192
- the second position sensor 72 may be disposed on the first surface of the second circuit board 194 .
- it may be mounted.
- the first position sensor 71 may be disposed in the hollow of the first coil 120A
- the second position sensor 72 may be disposed in the hollow of the second coil 120B.
- the first position sensor 71 may face or overlap the first magnet 130A in the third direction, and may detect the strength of the magnetic field of the first magnet 130A.
- the second position sensor 72 may face or overlap the second magnet 130B in the third direction, and may detect the strength of the magnetic field of the second magnet 130B.
- each of the first and second position sensors 71 and 72 may be a hall sensor.
- any one of the first position sensor 71 and the second position sensor 72 may be omitted, and in this case, one position sensor may be a Hall sensor or a driver IC including a Hall sensor.
- the first position sensor 71 may include first and second input terminals and first and second output terminals
- the second position sensor 72 may include first and second input terminals and second output terminals. It may include first and second output terminals.
- the first and second output terminals of the first position sensor 71 and the first and second output terminals of the second position sensor 72 may be connected in series, and the first and second position sensors 71 and 72 ) may be output from both ends of the serially connected first and second output terminals, and the first output signal may be transmitted to the driver 542 .
- the first output terminal of the first position sensor 71 may be connected in series with the second output terminal of the second position sensor 72 , and the first output terminal of the first position sensor 71 and the second position sensor
- the second output terminal of 72 may be an output terminal of opposite polarity.
- the output signal of the AF position sensor unit 170 may be output to the second output terminal of the first position sensor 71 and the first output terminal of the second position sensor 72 , and
- the second output terminal and the first output terminal of the second sensor 72 may be output terminals having opposite polarities.
- the image sensing unit 330 receives and senses light that has passed through the lens module 400 of the optical member 40 and the second actuator 320 of the first actuator 310 and converts the sensed light into an electrical signal.
- An image sensor 540 may be included.
- the image sensor 540 may include an imaging area for detecting light.
- the imaging area may be expressed by replacing it with an effective area, a light receiving area, or an active area.
- the imaging area may include a plurality of pixels on which an image is formed.
- the image sensor 540 may include a light receiving unit that receives light and converts it into an electrical signal, and an analog-to-digital converter that converts the converted electrical signal into a digital signal.
- the image sensor 540 may further include an image signal processor that performs signal processing on a digital signal.
- the image sensing unit 330 may include a third substrate unit 530 electrically connected to the image sensor 540 .
- the third substrate unit 530 may be electrically connected to the second substrate unit 190 .
- the third substrate unit 530 may be a printed circuit board.
- the third substrate unit 530 may include a first substrate 531 on which the image sensor 540 is disposed or mounted.
- the image sensor 540 may be disposed on a first surface of the first substrate 531 , and the first surface of the first substrate 531 faces the second actuator 320 or the lens module 400 .
- the first substrate 531 may include a plurality of first terminals 253A and a plurality of second terminals 253B.
- the plurality of first terminals 253A may be disposed between the image sensor 540 and the first end of the first substrate 531
- the plurality of second terminals 253B may be connected to the image sensor 540 .
- the second end of the first substrate 531 The first end may be opposite the second end.
- the plurality of first terminals 253A of the first substrate 531 may correspond to and face the plurality of terminals 254A of the first circuit board 192 of the second substrate unit 190 in the first direction. , or may overlap, and may be electrically connected to the plurality of terminals 254A of the first circuit board 192 by solder or a conductive adhesive.
- the plurality of second terminals 253B of the first substrate 531 may correspond to and face the plurality of terminals 254B of the second circuit board 194 of the second substrate unit 190 in the first direction. , or may overlap, and may be electrically connected to the plurality of terminals 254B of the second circuit board 194 by solder or conductive adhesive.
- the first substrate 531 may be coupled or fixed to the second actuator 320 .
- the first substrate 531 may be coupled to the second actuator 320 by the sensor base 550 and the base 210 .
- the sensor base 550 may be coupled to the first substrate 531 by an adhesive
- the base 550 may be coupled to the sensor base 550 by an adhesive
- the base 210 may be coupled to the sensor base 550 by an adhesive. It may be coupled to the cover member 300 of the second actuator 320 .
- the third substrate unit 530 connects the second substrate 532 and the first substrate 531 and the second substrate 532 on which an electronic device or a circuit device, for example, a gyro sensor 332 (refer to FIG. 55 ) is disposed.
- a third substrate 533 may be further included.
- the first to third substrates 531 , 532 , and 533 may be electrically connected to each other.
- an electronic device for example, the gyro sensor 332 may be disposed on a first surface of the second substrate 532 , and the first surface of the second substrate 532 may be a surface facing the support holder 340 . have.
- first surface of the second substrate 532 may be perpendicular to the first surface of the first substrate 531 .
- an interior angle between the first surface of the second substrate 532 and the first surface of the first substrate 531 may be greater than or equal to 80 degrees and less than or equal to 100 degrees.
- the third board unit 530 includes a connector 534 in which a port 536 for electrically connecting to an external device is formed, and a fourth board 535 connecting the second board 532 and the connector 534 . may further include.
- each of the first and second substrates 531 and 532 and the connector 534 may include a rigid substrate.
- each of the third substrate 533 and the fourth substrate 535 may include a flexible substrate.
- At least one of the first to fourth substrates may include at least one of a rigid substrate and a flexible substrate
- the connector 534 may include at least one of a rigid substrate and a flexible substrate.
- the image sensing unit 330 may further include a driver 542 disposed on the third substrate unit 530 .
- the driver 542 may be disposed or mounted on the first substrate 531 .
- the driver 542 may be disposed between the image sensor 540 and the plurality of first terminals 253A.
- the third substrate unit 530 may include a circuit element, a passive element, an active element, or a circuit pattern.
- the image sensing unit 330 may further include a gyro sensor 332 disposed on the third substrate unit 530 .
- the gyro sensor 332 may be a 2-axis, 3-axis, or 5-axis gyro sensor or an angular velocity sensor.
- the gyro sensor 332 may be disposed or mounted on the second substrate 532 of the third substrate unit 530 , and may be electrically connected to the second substrate 532 .
- the image sensing unit 330 may further include a sensor base 550 disposed between the third substrate unit 530 and the second actuator 320 .
- the sensor base 550 may be disposed between the first substrate 531 and the second housing 610 (or the base 210 ) of the third substrate unit 530 .
- the sensor base 550 may be coupled, attached, or fixed to the first surface of the first substrate 531 by the adhesive 545 .
- a lower or lower surface of the sensor base 550 may be coupled to the first surface of the first substrate 531 by an adhesive 545 .
- the sensor base 550 may be coupled to the base 210 of the second actuator 320 by an adhesive.
- the sensor base 550 may include a seating part 550A for disposing or seating the filter 610 .
- the seating part 550A may be formed on the first surface of the sensor base 550 .
- the first surface of the sensor base 550 may be a surface facing the second housing 610 in the first direction.
- the seating part 500A may be in the form of a recess, a cavity, or a hole recessed from the first surface of the sensor base 550 , but is not limited thereto.
- the seating part may be in the form of a protrusion protruding from the first surface of the sensor base 550 .
- the sensor base 550 may be expressed by replacing it with a “holder”.
- the filter 560 is disposed on the seating portion 550A of the sensor base 550 .
- the seating portion 550A of the sensor base 550 may include an inner surface and a bottom surface, and the filter 560 may be disposed on the bottom surface of the seating portion 500A of the sensor base 550 .
- the sensor base 550 may include an opening 552 (or a through hole) so that light passing through the filter 560 may be incident on the image sensor 540 .
- the aperture 552 may correspond to, oppose, or overlap the image sensor 550 (eg, an imaging area or an active area).
- the opening 552 may be formed in the bottom surface of the seating part 550A.
- An area of the opening 552 may be smaller than an area of an upper surface or a lower surface of the filter 560 , but is not limited thereto.
- the filter 560 may serve to block light of a specific frequency band from being incident on the image sensor 540 in light passing through the lens module 400 .
- the filter 560 may be an infrared cut filter, but is not limited thereto.
- the filter 560 may be disposed to be parallel to an x-y plane perpendicular to the first direction.
- the filter 560 may be attached to the bottom surface of the seating part 550A of the sensor base 550 by an adhesive member (not shown) such as UV epoxy.
- the filter 560 and the image sensor 540 may be spaced apart to face each other in the first direction.
- the driver 542 may control a driving signal for driving each of the first driving unit 70 and the second driving unit 630 .
- the driver 542 may receive a first output signal of the first OIS position sensors 240A and 240B of the OIS position sensor unit 240 and a second output signal of the second OIS position sensor 240C.
- the driver 542 generates a first code value according to the analog-to-digital conversion result of the first output signal of the received first OIS position sensors 240A and 240B, and uses the generated first code value and the first target value. Based on the comparison result, the first driving signal applied to the first OIS coils 230A and 230B of the first driving unit 70 may be controlled.
- the driver 542 generates a second code value according to the analog-digital conversion result of the second output signal of the received second OIS position sensor 240C, and compares the generated second code value with the second target value. Based on the result, the second driving signal applied to the second OIS coil 230C of the first driving unit 70 may be controlled.
- the first target value may be a reference code value related to the output of the first OIS position sensors 240A and 240B corresponding to the target second axis (X axis) tilting position of the OIS moving unit of the first actuator 310.
- the second target value may be a reference code value related to the output of the second OIS position sensor 240C corresponding to the target third-axis (Y-axis) tilting position of the OIS moving unit of the first actuator 310 .
- the reference code value for the output of each of the first OIS position sensors 240A and 240B and the second OIS position sensor 240C may be preset through calibration and stored in the driver 542 or stored in a separate memory.
- the movement of the holder 30 coupled to the optical member 40 may be controlled by the first driving unit 70 , and the path of light incident to the optical member 40 is perpendicular to the first axis (optical axis or Z axis) It may be moved on the in-plane (eg, XY plane), thereby moving the image formed on the image sensor 540 in the X-axis direction and/or the Y-axis direction. That is, by controlling the movement of the holder 30 by the first driving unit 60, the embodiment corrects blurring of an image or shaking of a video caused by shaking in the camera module when taking an image or a video due to a user's hand shake. can do.
- the in-plane eg, XY plane
- the driver 542 may receive the output signal of the AF position sensor unit 170 , and generate a code value according to the result of analog-digital conversion of the received output signal, and use the generated code value and the third target value. Based on the comparison result, the driving signal applied to the first coil 120A and the second coil 120B of the second driving unit 630 may be controlled.
- the third target value may be a reference code value corresponding to a target focus position of the lens module 400 .
- the reference code value related to the output of the AF position sensor unit 170 may be preset through calibration and stored in the driver 542 or a separate memory.
- the movement of the lens module 400 in the optical axis direction may be controlled by the second driving unit 630 , and thus accurate zoom or focus control may be performed.
- the support holder 340 may include at least one side plate or a side bar coupled to the first actuator 310 and the second actuator 320 .
- the support holder 340 may include first and second side plates 141 and 142 facing each other and a third side plate 143 connecting the first side plate 141 and the second side plate 142 to each other. have.
- At least one side plate 141 to 143 of the support holder 340 has at least one hole 140A1 for coupling with at least one side plate 20B of the first cover member 20 of the first actuator 310.
- at least one protrusion 22A (refer to FIG. 47 ) to be coupled to the at least one hole 140A1 may be formed in the first cover member 20 .
- At least one side plate 141 to 143 of the support holder 340 has at least one hole for engaging with at least one side (or outer surface) of the second cover member 300 of the second actuator 320 ( 140A2).
- a protrusion 303 to be coupled to the at least one hole 140A2 may be formed in the second cover member 300 .
- the support holder 340 exposes the terminals 251 of the first substrate 250A of the first substrate unit 250 and the terminals 255A of the first circuit board 192 of the second substrate unit 190 .
- Terminals 252 of the first opening 140B1 and the second substrate 250B of the first substrate unit 250 and the terminals 255B of the second circuit board 194 of the second substrate unit 190 ) may include a second opening 140B2 for exposing.
- the first opening 140B1 may be formed in the first side plate 141 of the support holder 340
- the second opening 140B2 may be formed in the second side plate 142 of the support holder 340 .
- each of the first and second openings 140B1 and 140B2 may be a through hole.
- the support holder 340 may be formed of an injection-molded product (eg, resin or plastic) or a metal material.
- the image sensing unit 330 may include a fixing unit 410 for coupling or fixing the second substrate 532 of the third substrate unit 530 to the support holder 340 .
- the fixing part or the cover 410 may accommodate an electronic device (or a circuit device), for example, the gyro sensor 332 , and may be coupled to the second substrate 532 .
- the fixing unit 410 may be replaced with “support”, “protection”, “cover can”, or gyro can and “cover”.
- the fixing part 410 may include a metal material, for example, a SUS material.
- the fixing part 410 may be made of an injection-molded material, for example, a plastic or resin material.
- the fixing part 410 may be coupled or attached to the first surface of the second substrate 532 by an adhesive.
- the first surface of the second substrate 532 may be a surface on which an electronic device, for example, the gyro sensor 332 is disposed or mounted.
- the support holder 340 may include a first coupling part 4 to be coupled to the fixing part 410 .
- the first coupling portion 4 may be formed on an outer surface of the support holder 340 facing the first surface of the second substrate 532 .
- the first coupling portion 40 may be formed on the second side plate 142 of the support holder 340 .
- the fixing part 410 may include a second coupling part 3 coupled to the first coupling part 4 of the support holder 340 .
- the first coupling portion 4 may include at least one protrusion 4A to 4D protruding from the outer surface of the support holder 340 (eg, the outer surface of the second side plate 142 ).
- the protrusions 4A to 4D may have a ring shape or a hook shape.
- the first coupling portion 4 may include four protrusions 4A to 4D that are spaced apart from each other.
- the second coupling part 3 may include at least one hole 3A to 3D (or groove) corresponding to the at least one protrusion 4A to 4D of the first coupling part 4 .
- the holes 3A to 3D may be through holes into which the protrusions 4A to 4D can be inserted.
- the second coupling part 3 may include four holes 3A to 3D corresponding to the four protrusions 4A to 4D.
- the first coupling part of the support holder 340 may include at least one hole or groove, and the second coupling part of the fixing part 410 is at least one for coupling with the at least one hole of the first coupling part. It may be a protrusion of
- the first coupling part 4 and the second coupling part 3 described above may constitute a fixing part for fixing or coupling the cover 410 to the support holder.
- the fixing part may include at least one of the cover 410 and the first coupling part 4 and the second coupling part 3 .
- At least one of the support holder 340 and the cover 410 may serve as a ground or a ground electrically connected to the ground of the substrate unit.
- An adhesive (eg, an epoxy bond) may be disposed between the fixing part 410 and the support holder 340 to improve the bonding force.
- the adhesive may be disposed between the upper plate 411 of the fixing part 410 and the second side plate 142 (or the outer surface of the second side plate 142 ) of the support holder 340 .
- the fixing part 410 can be physically fixed to the support holder 340, and the fixing part can be chemically fixed to the support holder 340 by an adhesive.
- the support holder 340 may include at least one guide part 414 for supporting or guiding at least a portion of the fixing part 410 in order to prevent the position of the fixing part 410 from being changed due to an external impact.
- the guide part 414 may serve to guide the coupling position of the fixing part 410 to facilitate the coupling when the fixing part 410 is coupled to the support holder 340 .
- the guide part 414 may support the side (or side plate) of the fixing part 410 .
- the guide portion 414 may support or contact the outer surfaces of the side portions 412A and 412B (or side plates) of the fixing portion 410 .
- the guide part 414 may support or guide the first guide part 414A for supporting or guiding one side, one end, or part of the fixing part 410 and the other side, the other end, or another part of the fixing part 410 . It may include a second guide portion 414B for guiding.
- first guide part 414A may be positioned between the first protrusion 4A and the second protrusion 4B, and the second guide part 414B includes the third protrusion 4C and the fourth protrusion 4D. ) can be located between
- first and second guide parts 414A and 414B may be disposed to be spaced apart from each other in the second direction or to face each other in the second direction.
- each of the first and second guide parts 414A and 414B may have a plate shape or a bar shape, but is not limited thereto.
- the fixing part 410 may be disposed between the first guide part 414A and the second guide part 414B.
- the first guide part 414A may support the first side part 412A (or the first side plate) of the fixing part 410 and may be in contact with the first side part 412A (or the first side plate).
- the second guide part 414B may support the second side part 412B (or the second side plate) of the fixing part 410 and may be in contact with the second side part 412B (or the second side plate).
- an adhesive may be disposed between the guide part 414 and the fixing part 410 .
- the adhesive may deteriorate as time passes and the adhesive may be peeled off, thereby causing the fixing part
- the coupling between the 410 and the support holder 340 is weakened, so that the position of the gyro sensor may be changed.
- physical fixation is primarily made between the fixing part 410 and the support holder 340, and chemical fixation is made secondarily by an adhesive, so that the bonding force between the two can be improved, and thereby the second substrate 532 may be stably fixed or attached to the support holder 340 .
- the physical fixation between the fixing part 410 and the support holder 340 can be reinforced through the guide part 414 , thereby stably fixing or attaching the second substrate 532 to the support holder 340 . have.
- the fixing part 410 may cover the gyro sensor 332 to protect the gyro sensor 332 disposed on the second substrate 532 .
- the gyro sensor 410 may be disposed inside the fixing part 410 .
- the fixing part 410 may be disposed on the second substrate 532 to surround the gyro sensor 410 , and may protect the gyro sensor 410 from external impact.
- the fixing part 410 may include an upper plate 411 and a side plate 412 .
- the upper plate 411 may correspond to or face the gyro sensor 332 in the third direction.
- the side plate 412 may be connected to the upper plate 411 and disposed between the second substrate 532 and the upper plate 411 .
- the side plate 412 may be coupled, attached, or fixed to the second substrate 532 by means of an adhesive.
- the holes 3A to 3D may be formed in a region in which the upper plate 411 and the side plates 412A and 412B of the fixing part 410 are connected or contacted.
- the two holes 3A and 3B may be formed in a region where the top plate 411 and the first side plate 412A of the fixing part 410 are connected or meet, and the other two holes 3C and 3D are high.
- the top plate 411 and the second side plate 412B of the top 410 may be formed in a region where they are connected or meet.
- the upper plate 411 of the fixing part 410 may be coupled to the second side plate 142 of the support holder 340 .
- the fixing part 410 may include first and second side plates 412A and 412B facing each other.
- the first and second side plates 412A and 412B may face each other in the second direction.
- the fixing part 410 may further include third and fourth side plates positioned between the first and second side plates and facing each other in the first direction.
- the support holder 340 may be in the form of a box including at least one of an upper plate, a side plate, and a lower plate, and may include at least one of a first actuator, a second actuator, and an image sensing unit therein. .
- the third substrate unit 530 may include a substrate including a bent or curved portion 533A. As shown in FIG. 55 , the third substrate 533 may include a bent or curved portion 533A, and the curved portion 533A may have a structure weak against external impact. For example, the third substrate 533 may include a portion that is vertically or nearly vertically bent or curved.
- a case in which the fixing unit 410 is omitted from the camera device 200 according to the embodiment is referred to as a first camera device.
- a case in which a cover can attached to the second substrate of the third substrate is provided to protect the gyro sensor, but the cover can is not fixed to the support holder is referred to as a second camera device.
- the second substrate of the third substrate unit may move freely, and the position of the second substrate of the third substrate unit may be easily changed due to an external impact.
- the position of the gyro sensor may be easily changed by the free movement of the second substrate of the first and second camera devices, which may cause noise in the gyro sensor, The reliability of the gyro sensor may deteriorate due to such noise.
- the third substrate 533 includes the terminals 254B of the second circuit board 194 of the second substrate unit 190 and the second terminals 254B of the first substrate 531 of the third substrate unit 530 . 253B), the bonding portion is peeled off or cracks are generated in the bonding portion due to free and easy movement of the second substrate of the first and second camera devices. This may cause the first and second camera devices to not operate.
- the above-described cover can may be separated from the second substrate by free and easy movement of the second substrate of the first and second camera devices.
- the second substrates of the first and second camera devices are free and easy to move, cracks may be generated inside the third substrate unit 530 due to exposure to external shocks and environments, and thereby the first and second substrates Camera devices may not work.
- the second substrate 534 is stably fixed to the support holder 340 by the fixing part 410 , it is possible to suppress a change in the position of the gyro sensor 332 due to an external impact, etc.
- the reliability of the sensor 332 may be secured.
- the terminals 254B and the second circuit board 194 of the second board part 190 are 3 It is possible to prevent microcracks from being generated in the bonding portion (or soldered portion) of the second terminals 253B of the first substrate 531 of the substrate unit 530 , thereby preventing the camera device from being generated. reliability of electrical connection can be secured.
- the second substrate 534 is stably fixed to the support holder 340 by the fixing part 410 , the stress of the bent or curved portion 533A of the third substrate 533 can be minimized, thereby It is possible to prevent the occurrence of cracks inside the third substrate unit 530 due to an external impact. In particular, it is possible to suppress or prevent the occurrence of cracks in the bent or curved portion 533A of the third substrate 533 .
- the camera device 200 may further include a reinforcing member 311 for physically or mechanically supporting and protecting the third substrate unit 530 .
- the reinforcing member 311 includes a first reinforcing portion 311A and a first reinforcing portion 311A disposed on the second surface of the first substrate 531 of the third substrate portion 530 .
- a second reinforcing portion 311B connected to one end and supporting one end of the first substrate 531 , and the other end of the first reinforcing portion 311A and disposed on the second surface of the second substrate 532 ,
- a third reinforcing part 311C for supporting and protecting the second substrate 532 may be included.
- the second surface of the first substrate 531 may be a surface opposite to the first surface of the first substrate 531 , and the second surface of the second substrate 532 may be opposite to the first surface of the second substrate 532 .
- the reinforcing member 311 may include a metal material, for example, a SUS material.
- the second reinforcement part 311B may be bent from one end of the first reinforcement part 311A toward the first circuit board 192 of the second substrate part 190 .
- the second reinforcement part 311B includes terminals 254A of the first circuit board 192 of the second board part 190 and terminals 253A of the first board 531 of the third board part 530 . It may serve to protect a bonding portion (eg, a soldering portion) of the liver.
- the second reinforcing part 311B may include a curved surface.
- the second reinforcement part 311B has a convex curved surface toward a bonding part between the terminals 254A of the first circuit board 192 and the terminals 253A of the first board 531 of the third board part 530 . may include
- the third reinforcing part 311C may include a portion bent or bent from the other end of the first reinforcing part 311A in the direction of the second circuit board 194 or the fixing part 410 of the second board part 190 . .
- the third reinforcing part 311C may protect the curved portion of the third substrate 533 from external impact.
- the third reinforcing part 311C may protect the second substrate 532 from external impact.
- the reinforcing member 311 may further include a fourth reinforcing part 311D bent from one end of the third reinforcing part 311C and extending to surround one end of the second substrate 532 .
- the fourth reinforcing part 311D may be bent in the direction of the second circuit board 194 .
- FIG. 59A is a combined perspective view of the lens module 400 and the base 210 coupled to the bobbin 110
- FIG. 59B is an exploded perspective view of the lens module 400, the bobbin 110, and the base 210 of FIG. 59A
- 59C is a cross-sectional view in the ef direction of the lens module 400, the bobbin 110, and the base 210 of FIG. 59A
- FIG. 60 is an enlarged view of the lens module 400 of FIG. 59C.
- the light 501 passing through the lens module 400 passes through the hole 102 of the bobbin 110 and the opening 201 of the base 210 to the image sensor 540 . can be reached
- the lens module 400 may include at least one lens or lens array 401 , at least one spacer 402 , and a first light absorption layer 91 disposed on the at least one spacer 402 . .
- the lens array 401 may include a plurality of lenses 42A to 42D arranged in the first direction.
- the spacer 402 may be disposed between two adjacent lenses among the plurality of lenses 42A to 42D. The distance between the lenses may be adjusted by the spacer 402 , thereby improving and correcting the optical performance of the lens array 401 .
- the shape of the spacer 402 viewed in the first direction may be a closed curved shape, for example, a circular, elliptical, or polygonal ring shape.
- the spacer 402 may be hollow.
- the spacer 402 may be disposed at an edge portion of the lens and may support the edge portion of the lens.
- the spacer 402 may be disposed between the first edge of the lower surface of any one of the two adjacent lenses and the second edge of the upper surface of the other one of the two lenses, and the first edge and the second edge.
- the spacer 402 may be formed of or include a metal material.
- the spacer 402 may include a plurality of spacers 43A and 43B, and the number of spacers may be one or more.
- the spacer 402 may include a first spacer 43A disposed between the first lens 42A and the second lens 42B and a second spacer disposed between the second lens 42B and the third lens 42C.
- a spacer 42B may be included.
- a length of one of the spacers 43A and 43B in the first direction may be different from a length of the other of the spacers 43A and 43B in the first direction.
- the first light absorption layer 91 may be disposed, coated, or coated on the surface of the spacer 402 .
- the first light absorption layer 91 may be disposed on at least one of an upper surface, a lower surface, and a side surface of the spacer 402 .
- the first light absorption layer 91 may be disposed to surround the surface of the spacer 402 .
- the first light absorption layer 91 may have a high light absorption rate and low light reflectivity.
- the first light absorption layer 91 may be a coating layer. Also, for example, the first light absorption layer 91 may be a matte coating layer. Alternatively, for example, the first light absorption layer 91 may be a matte layer or a matte film.
- the first light absorption layer 91 may be a black coating layer.
- the first light absorption layer 91 may be a black layer or a black coating layer.
- the first light absorption layer 91 may be disposed to surround the surface of the spacer 402 .
- the first light absorption layer 91 may be replaced with a “light absorption film” or a “black coating film”.
- the first light absorption layer 91 may have a high light absorption rate and low light reflectivity.
- the first light absorption layer 91 may include a first-first light absorption layer 91A disposed on the surface of the first spacer 43A and a first-second light absorption layer 91B disposed on a surface of the second spacer 43B. may include
- the first light absorption layer 91 may be formed by coating a material having high light absorption and low light reflectivity on the surface of the spacer 402 .
- the first light absorption layer 91 may include a black material that absorbs light.
- the first light absorption layer 91 may include at least one of black titanium, black titanium-carbon, and black carbon.
- the first light absorption layer 91 may include at least one of black titanium oxide, black titanium-carbon oxide, and black carbon oxide.
- the first light absorption layer 91 may include any one of titanium, titanium oxide, titanium-carbon oxide, black carbon, and black carbon oxide.
- the composition of the first light absorption layer 91 is Ti n O 2n-1 , and 1.5 ⁇ n ⁇ 4.5. In another embodiment, 2 ⁇ n ⁇ 4 may be satisfied.
- n is greater than 4.5
- the color of the light absorption layer may change.
- n > 4.5 the color of the light absorption layer may change from black to blue-black, gray, or white, which may reduce light absorption ability, and the effect of reducing flare may not be obtained due to light reflection.
- n is less than 1.5, the black coating oxide may not be formed.
- the composition of the first light absorption layer 91 may be Ti x O y C z , 0.5 ⁇ x ⁇ 4.5, 1.5 ⁇ y ⁇ 7.5, 0.5 ⁇ z ⁇ 4.5. In another embodiment, 1 ⁇ x ⁇ 4, 2 ⁇ y ⁇ 7, and 1 ⁇ z ⁇ 4 may be satisfied.
- the first light absorption layer 91 may be a mixture of at least one of black titanium, black titanium-carbon, and black carbon and a resin.
- the first light absorption layer 91 may be a mixture of at least one of black titanium oxide, black titanium-carbon oxide, and black carbon oxide and a resin.
- the ratio (M1:M2) of the weight (M1) of the resin to the weight (M2) of the black material may be 1:1.5 to 1:5.
- M1:M2 may be 1:2 to 1:3.
- the black material may be at least one of black titanium, black titanium-carbon, and black carbon.
- the black material may be at least one of black titanium oxide, black titanium-carbon oxide, and black carbon oxide.
- the thickness of the first light absorption layer 91 may be 0.5 micrometers or more and 10 micrometers or less.
- the thickness T1 of the first light absorption layer 91 is less than 0.5 micrometers, the effect of the black coating is insignificant, so that the effect of reducing flare to be described later cannot be obtained.
- the thickness T1 of the first light absorption layer 91 is more than 10 micrometers, it may affect the characteristics of the lens, which may cause a decrease in resolution, and may cause interference in lens assembly.
- the thickness of the first light absorption layer 91 may be 1 micrometer or more and 5 micrometers or less.
- the size of the particles of the black material included in the first light absorption layer 91 may be 0.05 micrometers or more and 2 micrometers or less. In another embodiment, the size of the particles of the black material included in the first light absorption layer 91 may be 0.1 micrometer or more and 1 micrometer or less.
- the smaller the size of the black material the more advantageous. This is because, as the uniformity of the coating, that is, the density increases, less diffuse reflection of light occurs. However, when the particle size of the black material is less than 0.05 micrometers, the effect of light absorption may decrease sharply.
- the flare phenomenon can be severe because light is reflected in all directions. That is, when the particle size of the black material exceeds 2 micrometers, diffuse reflection occurs well and light is reflected in all directions, so that the flare phenomenon may be severe.
- the lens module 400 may further include a stopper 45 disposed on the first lens 42A and a second light absorption layer 92 disposed on the stopper 45 .
- the stopper 45 may be disposed on the upper surface of the first lens 42A, and may serve to protect the lens array 401 from external impact.
- the description of the material and shape of the spacer 402 may be applied or analogously applied to the stopper 45 .
- the description of the material, composition, and thickness of the first light absorption layer 91 may be applied or analogously applied to the second light absorption layer 92 surrounding the stopper 45 .
- the lens module 400 may include a lens barrel 403 accommodating the lens array 401 and a third light absorption layer disposed on an inner surface of the lens barrel 403 .
- the lens barrel 403 may be coupled to the bobbin 110 .
- FIG. 61A is a perspective view of the lens barrel 403
- FIG. 61B shows a third light absorption layer 421 disposed on the lens barrel 403
- FIG. 61C is a perspective view of the lens barrel 403 and the third light absorption layer 93
- It is a cross-sectional perspective view
- FIG. 61D is a cross-sectional view of the lens barrel 403 , the lens array 401 , the spacer 402 , and the first to third light absorption layers 91 , 92 , and 93 .
- the lens array 401 and the spacer 402 may be disposed in the lens barrel 403 .
- the lens barrel 403 may be a cylinder having an interior space that can accommodate the lens array 401 and the spacers 402 .
- the lens barrel 403 may include an upper surface 411 , an inner surface 412 (or an inner surface), and a bottom portion 413 .
- the third light absorption layer 93 may be disposed, coated, or coated on at least one of the upper surface 411 , the inner surface 412 , and the bottom portion 413 of the lens barrel 403 .
- the third light absorption layer 93 may include a first portion 93A disposed on the upper surface 411 of the lens barrel 403 , a second portion 93B disposed on the inner surface 412 of the lens barrel 403 , and a third portion 93C disposed on the inner surface of the bottom 413 of the lens barrel 403 .
- the lens barrel 403 may include a hole 413A passing through the bottom 413 to expose the lens array 401 .
- the lens barrel 403 may include a hole 413A penetrating through the bottom portion 413 (lower surface or lower portion) in the upper surface 411 .
- the third light absorption layer 93 is a fourth portion 93D disposed on the inner peripheral surface of the bottom portion 413 (lower surface or lower portion) of the lens barrel 403 formed by the hole 413A. ) may be further included.
- the description of the material, composition, and thickness of the first light absorption layer 91 may be applied or analogously applied to the third light absorption layer 93 .
- the lens barrel 403 may be formed of an injection molding material.
- the lens barrel 403 may be formed of a resin or plastic material.
- the lens barrel 403 may be formed of polycarbonate or liquid crystal polymer (LCP).
- a spacer made of a metal material and a lens barrel made of an injection molding material do not absorb 100 percent (%) of light. Accordingly, in the process in which the light introduced into the lens barrel from the outside reaches the image sensor, the light is reflected by the spacer and the lens barrel, which may generate a flare or ghost, which is noise.
- the length of the lens barrel in the optical axis direction is long like in a zoom camera device, since the light path to the image sensor is long, the light by the spacer and the lens barrel is reflected a lot, resulting in flare or ghost. ) phenomenon may occur, and image deterioration of the camera device may occur.
- the reflection of light by the spacer and the lens barrel may be suppressed or prevented by the first light absorption layer 91 disposed on the surface of the spacer 402 and the third light absorption layer 93 disposed on the inner surface of the lens barrel. Accordingly, it is possible to prevent a flare phenomenon or a ghost phenomenon, thereby preventing image deterioration of the camera device.
- reflection of light by the stopper 45 can be suppressed or prevented by the second light absorption layer 92, thereby preventing a flare or ghost phenomenon, thereby preventing the image of the camera device. deterioration can be prevented.
- FIG. 62 is a perspective view of the lens module 400 , the bobbin 110 , and the fourth light absorption layer 450 .
- a hole 102 for exposing a portion of a lens array disposed in the lens module 400 may be formed in a lower portion of the bobbin 110 .
- the hole 1020 may be located under the lens module 400 or the lens barrel 403 .
- the hole 102 may be located under the lens barrel 403 , and may expose a lens (eg, 42D) located at the bottom of the lens array 401 .
- a lens eg, 42D
- Light passing through the lens array may be emitted out of the bobbin 110 through the hole 102 .
- the diameter of the hole 102 may be smaller than the diameter of the lens barrel 403 .
- the bobbin 110 may include a hole 101 or a through hole for accommodating the lens barrel 403 or the lens module 400 on the hole 102 .
- the hole 102 may be located between the hole 101 and the lower surface of the bobbin 110 .
- the hole 102 of the bobbin 110 may correspond to, face, or overlap the hole 413A of the lens barrel 403 in the first direction. Light passing through the lens module 400 may pass through the hole 102 formed in the lower portion of the bobbin 110 .
- the camera device 200 may include a fourth light absorption layer 450 disposed on the inner surface 102A (or inner peripheral surface) of the bobbin 110 formed by the hole 102 .
- the fourth light absorption layer 450 may be coated or applied to the inner surface 102A of the bobbin 110 .
- the fourth light absorption layer 450 may be positioned between the lens barrel 403 and the opening 201 of the base 210 .
- the inner peripheral surface 102A of the bobbin 110 by the hole 102 of the bobbin 110 is a first region 102 in which the diameter of the hole 102 decreases from the upper portion of the bobbin 110 to the lower portion of the bobbin 110 . -1) may be included.
- the first region 102-1 of the inner circumferential surface 102A of the bobbin 110 may have a first inclined surface.
- the inner circumferential surface of the bobbin 110 by the hole 102 of the bobbin 110 may include a second region 102 - 2 whose diameter increases from an upper portion of the bobbin 110 to a lower direction of the bobbin 110 .
- the second region 102-2 may be located below the first region 102-1, and the first region 102-1 and the second region 102-2 may be connected to each other.
- the second region 102-2 of the inner circumferential surface 102A of the bobbin 110 may have a second inclined surface.
- the first inclined surface and the second inclined surface may have different inclinations.
- the first inclined surface and the second inclined surface may have the same inclination.
- the length of the second region 102 - 2 in the optical axis direction may be greater than the length of the first region 102-1 in the optical axis direction.
- the length of the second region 102-2 in the optical axis direction may be equal to or smaller than the length of the first region 102-1 in the optical axis direction.
- the inner circumferential surface of the bobbin 110 may include a portion having a constant diameter of the hole 102 .
- the fourth light absorption layer 450 may include a first portion 450A disposed on the first region 102-1 of the inner circumferential surface 102A of the bobbin 110 .
- the fourth light absorption layer 450 may include a second portion 450B disposed on the second region 102 - 2 of the inner circumferential surface 102A of the bobbin 110 .
- the fourth light absorption layer 450 may include at least one of a first portion 450A and a second portion 450B.
- the bobbin 110 may include a protrusion 119 protruding downward from the lower surface of the bobbin 110 , and the protrusion 119 may be formed at a position corresponding to or opposite to the lens barrel 403 .
- the hole 102 may pass through the protrusion 119 .
- the description of the material, composition, and thickness of the first light absorption layer 91 may be applied or analogously applied to the fourth light absorption layer 450 .
- reflection of light by the inner surface 102A of the bobbin 110 can be suppressed or prevented by the fourth light absorption layer 450, thereby preventing a flare phenomenon or a ghost phenomenon. Image deterioration of the camera device can be prevented.
- FIG. 63 is a perspective view of the base 210 and the fifth light absorption layer 460 .
- light passing through the lens module 400 may pass through the opening 201 of the base 210 to reach the image sensor 540 .
- the camera device 200 may include a fifth light absorption layer 460 disposed on the inner surface 201A (or inner peripheral surface) of the base 210 formed by the opening 201 .
- the fifth light absorption layer 460 may be coated or applied to the inner surface 201A of the base 210 .
- the fifth light absorption layer 460 may be positioned between the hole 102 of the bobbin 110 and the image sensor 540 .
- the diameter of the opening 201 of the base 210 may increase in the direction from the upper surface of the base 210 to the lower surface of the base 210 .
- the inner peripheral surface of the opening 201 of the base 210 may have an inclined surface.
- the inner circumferential surface of the base 210 may include a portion having a constant diameter of the opening 201 .
- the inner peripheral surface 201A of the base 210 may include a first region 213A in which the diameter of the opening 201 increases from the upper surface of the base 210 to the lower surface of the base 210 .
- the fifth light absorption layer 460 may include a first portion 460A disposed on the first region 213A of the inner circumferential surface 201A of the base 210 .
- the inner circumferential surface 201A of the base 210 may include a second region 213B in which the diameter of the opening 201 is constant from the upper surface of the base 210 to the lower surface of the base 210 .
- the fifth light absorption layer 460 may include a second portion 460B disposed on the second region 213B of the inner circumferential surface 201A of the base 210 .
- the fifth light absorption layer 460 may include at least one of a first portion 460A and a second portion 460B.
- the fifth light absorption layer 460 may include a portion disposed in one region of the upper surface of the base 210 adjacent to the opening 201 .
- the upper surface 213 of the base 210 may include a first surface 213A and a second surface 213B having a step difference from the first surface 213A in the first direction.
- the second surface 213B may be closer to the lower surface of the base 210 than the first surface 213A.
- the stopper 23 may protrude from the second surface 213B, and an upper surface of the stopper 23 may be positioned higher than the first surface 213A.
- the base 210 may include a protrusion 214 protruding from the first surface 213A.
- the opening 201 may pass through the protrusion 214 .
- the protrusion 214 may be formed around the opening 201 .
- the fifth light absorption layer 460 may include a portion disposed on the inner surface of the protrusion 214 formed by the opening 201 . Also, the fifth light absorption layer 460 may include a portion disposed on the upper surface of the protrusion 214 .
- the description of the material, composition, and thickness of the first light absorption layer 91 may be applied or analogically applied to the fifth light absorption layer 460 .
- reflection of light by the inner surface 201A of the base 210 can be suppressed or prevented by the fifth light absorption layer 460, thereby preventing a flare phenomenon or a ghost phenomenon. Image deterioration of the camera device can be prevented.
- FIG. 64A is an exploded perspective view of the bobbin 110, the base 210, and the lens module 400A according to another embodiment
- FIG. 64B is a cross-sectional view of the lens array and the sixth light absorption layer 470 of FIG. 64A.
- the same reference numerals as in FIG. 59B denote the same components, and descriptions of the same components are omitted or simplified.
- the lens module 400A may include a lens array 401 , a lens barrel 403 , and a sixth light absorption layer 470 .
- the lens module 400A may further include a spacer 402 and a stopper 45 .
- the sixth light absorption layer 470 may be disposed on the outer surface of the lens array 401 .
- the sixth light absorption layer 470 may be disposed, coated, or coated on the outer surface of each of the plurality of lenses 42A to 42D.
- the sixth light absorption layer 470 may include a first layer 470A disposed on an outer surface of the first lens 42A, a second layer 470B disposed on an outer surface of the second lens 42B, and a third It may include a third layer 470C disposed on the outer surface of the lens 42C, and a fourth layer 470D disposed on the outer surface of the fourth lens 42D.
- an upper surface (or an incident surface) and a lower surface (or an exit surface) of each of the plurality of lenses 42A to 42D may be exposed from the sixth light absorption layer 470 . That is, the sixth light absorption layer 470 may not be disposed on an upper surface (or an incident surface) and a lower surface (or an exit surface) of each of the plurality of lenses 42A to 42D.
- the description of the material, composition, and thickness of the first light absorption layer 91 may be applied or analogously applied to the sixth light absorption layer 470 .
- the sixth light absorbing layer 470 may suppress or reduce light from passing through the outer surface of the lens array 401, thereby reducing light reflection by the inner surface of the lens barrel 403. It is possible to suppress or prevent image deterioration of the camera device by preventing a flare phenomenon or a ghost phenomenon.
- first to fifth light absorption layers 91 to 93 , 450 , and 460 described above may be applied or analogically applied to the embodiment of FIGS. 64A and 64B .
- 65A is a cross-sectional view of a sensor base and a seventh light absorption layer.
- 65B shows experimental results regarding a flare phenomenon with respect to a camera device including a light absorption layer according to an embodiment.
- the camera device 200 may include a seventh light absorption layer 480 disposed on the inner surface (or inner circumferential surface) of the sensor base 550 formed by the opening 552 of the sensor base 550 .
- the seventh light absorption layer 480 may be coated or applied to the inner surface (or inner circumferential surface) of the sensor base 550 .
- the seventh light absorption layer 480 may be positioned between the image sensor 540 and the opening 201 of the base 210 .
- the seventh light absorption layer 480 may be disposed on the inner surface of the sensor base 550 around the image sensor 540 .
- the seventh light absorption layer 480 may include a first portion 480A formed in the first region 551A of the inner circumferential surface of the sensor base 550 formed by the opening 552 .
- the first region 551A may be an inner peripheral surface adjacent to the bottom surface of the seating part 550A supporting the filter 560 .
- the first region 551A may be an inner peripheral surface of a protrusion protruding from an inner surface of the sensor base 550 .
- the first region 551A may include a portion in which the diameter of the opening 552 decreases from the lower surface to the upper surface of the sensor base 550 . Also, the first region 551A may include a portion in which the diameter of the opening 552 is constant.
- the seventh light absorption layer 480 may include a second portion 480B formed in the second regions 551B1 and 551B2 of the inner circumferential surface of the sensor base 550 .
- the second regions 551B1 and 551B2 may be a region between the first region 551A and the upper surface of the sensor base 550 .
- the sensor base 550 may include a second portion 480B disposed on at least one of a side surface 551B1 and a bottom surface 551B2 of the seating portion 550A of the sensor base 550 .
- the seventh light absorption layer 480 may include a third portion 480C formed in the third region 551C of the inner circumferential surface of the sensor base 550 . It may be a region between the first region 551A of the third region 551C and the lower surface of the sensor base 550 . For example, it may include a third portion 480C disposed on the inner circumferential surface 551C between the seating portion 550A of the sensor base 550 and the lower surface of the sensor base 550 .
- the seventh light absorption layer 480 may include at least one of the first to third portions 480A to 480C.
- reflection of light by the inner surfaces 551A, 551B1, 551B2, and 551C of the sensor base 550 may be suppressed or prevented by the seventh light absorption layer 480 , thereby causing flare or ghosting. (ghost) phenomenon can be prevented to prevent image deterioration of the camera device.
- the inner peripheral surface 102A of the bobbin 110 by the hole 102 of the bobbin 110 is a first region 102 in which the diameter of the hole 102 decreases from the upper portion of the bobbin 110 to the lower portion of the bobbin 110 . -1) may be included.
- the first region 102-1 of the inner circumferential surface 102A of the bobbin 110 may have a first inclined surface.
- the inner circumferential surface of the bobbin 110 by the hole 102 of the bobbin 110 may include a second region 102 - 2 whose diameter increases from an upper portion of the bobbin 110 to a lower direction of the bobbin 110 .
- the second region 102-2 may be located below the first region 102-1, and the first region 102-1 and the second region 102-2 may be connected to each other.
- REF is an experimental result regarding a camera device not including the light absorption layers 450 and 460 according to the embodiment
- CASE 1 and CASE 2 are experimental results regarding a camera device including the light absorption layers 450 and 460, respectively.
- the light absorption layers 450 and 460 of CASE 1 are black titanium oxide (Ti 4 O 7 )
- the light absorption layers 450 and 460 of CASE 2 are black titanium-carbon oxide (Ti 4 O 7 C).
- the horizontal direction is a result of measuring the flare while tilting the image sensor 540 so that light received in the imaging area (eg, the center) of the image sensor 540 moves in the third direction (Y-axis direction).
- the vertical direction is a result of measuring the flare while tilting the image sensor 540 so that light received in the imaging area (eg, the center) of the image sensor 540 moves in the second direction (X-axis direction).
- the diagonal direction is a result of measuring flare while tilting the image sensor 540 so that light received in the imaging area (eg, the center) of the image sensor 540 moves in the diagonal direction of the imaging area.
- the angle in FIG. It may mean an angle tilted in a horizontal direction, a vertical direction, or a diagonal direction).
- the flare phenomenon of each of CASE 1 and CASE 2 may be reduced with respect to a horizontal direction, a vertical direction, and a diagonal direction.
- the embodiment includes at least one of the above-described light absorption layers 91 , 92 , 93 , 550 , 460 , 470 and 480 , thereby further suppressing a flare phenomenon or a ghost phenomenon, and thereby the image sensor 540 . It is possible to prevent the deterioration of the camera device 200 , and to prevent a decrease in the resolution of the camera device 200 .
- the distance LD1 from the incident surface (eg, the center of the incident surface) of the first lens 42A of the lens array 401 through which light is introduced to the image sensor 540 (or the imaging area). ) may be 10 [mm] ⁇ 15 [mm].
- LD1 may be 11 [mm] to 14 [mm].
- the distance LD2 from the exit surface (eg, the center of the exit surface) of the last lens 42D of the lens array 401 to the image sensor 540 (or imaging area) is 4 [mm] to 6 [mm] can be
- the distance LD2 from the uppermost end of the hole 102 of the bobbin 110 positioned under the lens barrel 403 or the lowermost end of the lens barrel 403 to the image sensor 540 (or imaging area) is 3.5 [mm] ] to 4.2 [mm].
- LD2 may be 27 percent (%) to 60 percent (%) of LD1. Or, for example, LD2 may be 30 to 40 percent of LD1.
- LD3 may be 24 percent (%) to 42 percent (%) of LD1. Or, for example, LD3 may be between 30 percent and 35 percent of LD1.
- first path a path through which light enters the lens array 401 and reaches the image sensor 540 .
- second path a path through which the light emitted from the last lens (eg, 42D) of the lens array 401 reaches the image sensor 540
- the inner surface of the bobbin 110, the base 210 Light reflection may be generated by the inner surface of the sensor base 550 and the inner surface of the sensor base 550 . Since the second path is close to or adjacent to the image sensor 540 , the reflection of light in the second path may be largely due to a flare phenomenon.
- the length of the second path may be 27 percent (%) to 60 percent (%) of the length of the first path.
- FIG. 66 is a partial perspective view of the image sensor 540 according to an embodiment
- FIG. 67 is a partial cross-sectional view of the image sensor 540 of FIG. 66
- FIG. 67 shows a portion of the image sensor 540
- the image sensor 540 may have an expanded structure by repeating the structure of FIG. 66 .
- the image sensor 540 includes a light receiving unit 511 for sensing light, a micro lens unit 510 disposed on the light receiving unit, and a blocking filter layer 520 disposed on the micro lens unit 510 . ), and a phosphor layer 530 disposed on the blocking filter layer 520 .
- the image sensor 540 may further include a color filter layer 512 disposed between the light receiving unit 5111 and the micro lens unit 510 .
- the light receiving unit 511 of the image sensor 540 may include a photoelectric conversion element, for example, a photodiode 504 .
- the light receiving unit 511 may further include a substrate 505 on which the photodiode 504 is formed.
- the substrate 505 may be a semiconductor substrate.
- the photodiode 504 may be formed in an active region of a semiconductor substrate.
- a unit pixel including a photodiode 504 may be formed on the substrate 505 .
- the light receiving unit 511 may include a plurality of photodiodes.
- the light receiving unit 511 may include a plurality of unit pixels.
- the light receiving unit 511 may include a floating diffusion region (not shown) formed in the substrate 505 to form a unit pixel, and at least one transistor, for example, a transfer transistor, a selection transistor, and a driving transistor. .
- the light receiving unit 511 may further include an insulating layer 506 disposed between the substrate 511 (or/and the photodiode 504 ) and the color filter layer.
- the insulating layer 506 may be formed of an insulating material having high light transmittance.
- a wiring electrically connected to the photodiode 504 may be formed in the insulating layer 506 .
- the color filter layer 512 transmits light of a specific color for each pixel (or each photodiode 504 ) in order to obtain a color image.
- the color filter layer 512 may include a red filter 515R, a green filter 515G, and a blue filter 515B.
- the red filter 515R may filter visible light to transmit red light
- the green filter 515G may filter visible light to transmit green light
- a blue filter 515B may transmit blue light by filtering visible light.
- the color filter layer 512 may include a phosphor.
- the color filter layer 512 may be a mixture of a phosphor and a pigment (or dye).
- the phosphor may include quantum dots, inorganic materials, organic materials, or perovskite.
- the color filter layer 512 may include a phosphor having a perovskite structure.
- the color filter layer 512 may include a phosphor having a perovskite structure doped with Er or Yb.
- the red filter 515R may include K 2 SiF 6 :Mn 4+ or (Sr,Ca)AlSiN 3 :Eu 2+ .
- the green filter 515G may include Beta-Si (6-z) Al z O z N (8-z) :Eu 2+ or (CsRb)PbBr 3 .
- the blue filter 515B may include BaMgAl 10 O 17 :Eu 2+ .
- the color filter layer 512 may include at least one quantum dot.
- the red filter 515R may include a plurality of first quantum dots 15Q emitting red
- the green filter 515GR may include a plurality of second quantum dots 16Q emitting green
- the blue filter 515B may include a plurality of third quantum dots 17Q emitting blue.
- each of the plurality of filters 515R, 515G, and 515B of the color filter layer 512 may correspond to, face, or overlap a corresponding one of the plurality of photodiodes.
- the first quantum dot may include at least one of InP, GaP, or ZnS.
- the second quantum dot may include at least one of InP, GaP, and ZnS.
- the second quantum dot may include at least one of CuInGaS and ZnS.
- the third quantum dot may include at least one of InP, GaP, or ZnS, or may include at least one of CuInGaS or ZnS. At least one of the first to third quantum dots may be doped with Er or Yb.
- the image sensor 540 may further include an antireflective layer 514 disposed on the color filter layer 512 .
- the anti-reflection layer 514 may be disposed between the color filter layer 512 and the micro lens unit 510 .
- the anti-reflection layer 514 may serve to prevent light from being reflected by the color filter layer 512 and to allow light to be well absorbed by the color filter layer 512 . Reflection of light from the color filter layer 512 can be suppressed by the anti-reflection layer 514 , and loss of light can be reduced, thereby increasing the amount (efficiency) of light entering the light receiving unit 511 . .
- the micro lens unit 510 may be disposed on the color filter layer 512 .
- the micro lens unit 510 may be disposed on the anti-reflection layer 514 .
- the microlens unit 5100 may serve as a light condensing unit so that light is well collected by the light receiving unit 511 (eg, the photodiode 504 ).
- the micro lens unit 510 may include a plurality of micro lenses 510-1 to 510-n, where n>1 is a natural number.
- the micro lenses 510-1 to 510-n may correspond to at least one color filter layer.
- one micro lens may be disposed to correspond to four color filter layers.
- one micro lens may be disposed to correspond to four photodiodes corresponding to four color filter layers.
- one micro lens may be disposed to correspond to one photodiode.
- the micro lens of the micro lens unit 510 may be a lens having a convex curved surface in a direction from the photodiode 504 toward the color filter layer 512 .
- the blocking filter layer 520 may be disposed on the surface of the micro lens unit 510 .
- the blocking filter layer 520 may be disposed on a convex curved surface of the micro lens unit 510 .
- the blocking filter layer 520 may be disposed on the surface of each of the plurality of micro lenses.
- the blocking filter layer 520 may be disposed on the surface of each of the plurality of micro lenses.
- the blocking filter layer 520 may be disposed on a convex curved surface of each of the plurality of micro lenses.
- the blocking filter layer 520 may have a curved surface having the same shape as the convex curved surface of the micro lens.
- the cut-off filter layer 520 may have a curved surface having the same curvature as the convex curved surface of the micro lens.
- the cut-off filter layer 520 may be an infrared cut-off filter.
- the blocking filter layer 520 may be coated on the surface of the micro lens or a convex curved surface.
- the phosphor layer 530 may be disposed on the surface of the blocking filter layer 520 .
- the phosphor layer 530 may be disposed on a convex curved surface of the blocking filter layer 520 .
- the phosphor layer 530 may be disposed on the blocking filter layer 520 disposed on the surface of each of the plurality of micro lenses.
- the phosphor layer 530 may be disposed on the surface of the blocking filter layer 520 disposed on the surface of each of the plurality of micro lenses.
- the phosphor layer 530 may be disposed to cover the convex curved surface of the blocking filter layer 520 .
- the phosphor layer 530 may have a curved surface having the same shape as the convex curved surface of the blocking filter layer 520 or the convex curved surface of the micro lens.
- the phosphor layer 530 may have a curved surface having the same curvature as the convex curved surface of the blocking filter layer 520 .
- the phosphor layer 530 may be coated on the surface of the blocking filter layer 520 or a convex curved surface.
- the phosphor layer 530 may include at least one of a green phosphor, a red phosphor, a yellow phosphor, and a blue phosphor.
- the phosphor layer 530 may include an up-conversion phosphor in order to absorb unnecessary light having a wavelength region close to infrared light to improve luminous efficiency of visible light.
- the phosphor layer 530 may include an up-conversion nano phosphor.
- the phosphor layer 530 may include a down-conversion phosphor.
- the blocking filter layer 520 may block light having a wavelength in the infrared region that is not absorbed by the phosphor layer 530 . Accordingly, the image performance of the image sensor may be improved, and light efficiency and color quality may be improved.
- FIG. 68 shows an embodiment of the cut-off filter layer 520 and the phosphor layer of FIG. 67 .
- the cut-off filter layer 520 may include a multi-layered structure including a plurality of layers (a1 to aN, b1 to bN, N > 1, a natural number).
- the blocking filter layer 520 may include at least one first layer (a1 to aN, a natural number N>1) and at least one second layer (b1 to bN, a natural number N>1).
- the first layer and the second layer may be alternately stacked with each other.
- the number of the first layer and the second layer may be the same. In another embodiment, the number of the first layer may be greater or less than that of the second layer.
- the cut-off filter layer 520 may include a first layer (a1 to aN, a natural number where N>1) and a second layer (b1 to bN, a natural number where N>1) are alternately arranged two or more times.
- the first layer (a1 to aN, a natural number where N>1) may be a first dielectric layer having a first refractive index
- the second layer (b1 to bN, a natural number where N>1) is a second layer having a second refractive index.
- 2 may be a dielectric layer.
- the first refractive index and the second refractive index may be different from each other.
- the first layer (a1 to aN, a natural number of N>1) may be titanium oxide, for example, TiO 2
- the second layer (b1 to bN, a natural number of N>1) is a silicon (Si) oxide , for example, SiO2.
- the thickness T11 of the blocking filter layer 520 may be 0.02 micrometers to 0.1 micrometers. Alternatively, T11 may be between 0.05 micrometers and 0.1 micrometers.
- T1 of the cut-off filter layer 520 may be greater than 0.1 micrometer, light may be reflected by the cut-off filter layer 520 or absorbed by the cut-off filter layer 520 , so that the light transmittance is lowered of the image sensor 540 . Performance may be degraded.
- the thickness T1 of the cut-off filter layer 520 is less than 0.05 micrometers, the infrared cut-off function is deteriorated and distortion may occur in the image of the image sensor 540 .
- the thickness T2 of the phosphor layer 530 may be 0.02 micrometers to 0.5 micrometers. Alternatively, the thickness T2 of the phosphor layer 530 may be 0.05 micrometers to 0.2 micrometers.
- the thickness T2 of the phosphor layer 530 is less than 0.02 micrometers, it is difficult to absorb light in an infrared wavelength region or a wavelength region close to infrared, so that light efficiency may be reduced.
- the thickness T2 of the phosphor layer 530 is greater than 0.5 micrometers, phosphor efficiency is improved, but since the thickness of the phosphor layer 53 is thick, visible light transmitted through the phosphor layer 530 and transmitted to the light receiving unit 511 . The amount of line may be reduced.
- the thickness T2 of the phosphor layer 530 may be greater than or equal to the thickness T1 of the blocking filter layer 520 (T2 ⁇ T1). In another embodiment, T2 ⁇ T1.
- the diameter R1 of the micro lenses (eg, 510 - 1 to 510 - 3 ) of the micro lens unit 510 may be 0.2 micrometers to 2 micrometers.
- the diameter R1 of the micro lenses (eg, 510-1 to 510-3) may be 0.5 micrometers to 1 micrometers.
- the distance FD1 from the blocking filter layer 520 to the anti-reflection layer 514 (or the color filter layer 512 ) may be 1 micrometer to 10 micrometers.
- FD1 may be a distance from the bottom of the blocking filter layer 520 positioned at the highest point of the micro lenses 510-1 to 510-3 to the anti-reflection layer 514 (or the color filter layer 512).
- the distance FD1 from the blocking filter layer 520 to the anti-reflection layer 514 (or the color filter layer 512 ) may be 2 micrometers to 3 micrometers.
- the thickness T11 of the blocking filter layer 530 may be 1 percent (%) to 50 percent (%) of the diameter R1 of the micro lenses 510-1 to 510-3.
- the thickness T11 of the blocking filter layer 530 may be 10 percent (%) to 30 percent (%) of the diameter R1 of the micro lenses 510-1 to 510-3.
- the basic structure of a general camera device may be largely divided into the presence or absence of a reflective surface, a lens, an infrared cut-off filter, and an image sensor.
- Light passes through the lens and is transmitted to the image sensor, and an infrared cut filter disposed between the lens and the image sensor is disposed.
- the infrared cut filter blocks light in the infrared region in order to obtain a clear image with reduced noise and efficiency in addition to the visible region from the light transmitted to the image sensor.
- the infrared cut filter may include an infrared cut material that removes light in the infrared region, which is usually coated on transparent glass.
- Transmission, reflection, and absorption of light may occur at the interface between the infrared blocking material and the glass, and the light at this time may be affected by the refractive index or transmittance of the glass, which is a medium, so that the light transmission efficiency may decrease.
- a medium having a high transmittance and a low refractive index may be used if the medium is not used or if it is unavoidably used.
- an infrared cut filter (hereinafter referred to as a “first infrared cut filter”) in which an infrared blocking material is coated on a medium called glass may be spaced apart from the image sensor and the lens array and disposed between the image sensor and the lens array.
- the first infrared cut filter may be disposed between the lens 42D of the lowermost end of the lens array 401 of FIG. 47 and the image sensor 540, It may be disposed to be spaced apart from the image sensor 540 .
- the first infrared cut filter may be disposed on the sensor base 550 .
- light transmission efficiency may be reduced, and thus image performance may be reduced.
- the light loss can be reduced by forming the blocking filter layer 520 directly on the surface of the micro lens unit 510 without using a medium called glass, so that the reduction in light efficiency can be minimized and high-quality image performance can be obtained. .
- the up-converting phosphor layer 530 on the surface of the cut-off filter layer 520 , it is possible to absorb unnecessary light having a wavelength region close to infrared light, thereby improving the luminous efficiency of visible light.
- the cutoff filter layer 520 absorbs unnecessary light having a wavelength region close to infrared light remaining in the light passing through the phosphor layer 53 , thereby removing noise and securing a clear image.
- the light efficiency can be improved by condensing the light to the light receiving unit 511 by the micro lens unit 510 .
- the color filter layer 512 can absorb light well, thereby reducing the loss of the amount of light flowing into the light receiving unit 511 .
- color purity or color quality may be improved, thereby realizing a high-quality image.
- the separation distance between the color filter layer 512 and the cut-off filter layer 520 may be 10 micro or less.
- the distance between the cut-off filter layer 520 and the color filter layer 512 (or the light receiving unit 511) is much smaller than the distance between the first infrared cut filter of a general camera device and the color filter layer (or the light receiving unit) of the image sensor. Therefore, since the separation distance between the cut-off filter layer 520 and the color filter layer is small, in the embodiment, light loss can be reduced and light efficiency can be improved.
- FIG. 69 is a partial cross-sectional view of an image sensor 540A according to another exemplary embodiment.
- the image sensor 540A of FIG. 69 the position or arrangement of the blocking filter layer 520 and the phosphor layer 530 of the image sensor 540 of FIG. 67 is changed. That is, the image sensor 540A includes a phosphor layer 530A disposed on the surface (eg, a convex curved surface) of the micro lens unit 510, and a blocking filter layer (eg, a convex curved surface) disposed on the surface of the phosphor layer 530A (eg, a convex curved surface). 520A).
- cut-off filter layer 520 and the phosphor layer 530 described with reference to FIG. 67 may be applied or analogically applied to the cut-off filter layer 520A and the phosphor layer 530A of FIG. 69 .
- FIG. 70 is a cross-sectional view of a camera device 200 - 1 according to another exemplary embodiment.
- the same reference numerals as those of FIG. 45 denote the same components, and descriptions of the same components are omitted or simplified.
- the sensor base 550 is omitted from the camera device 200 according to the embodiment of FIG. 45 .
- the base 210 may be disposed on the third substrate unit 530 .
- the base 210 may be disposed on the first substrate 531 on which the image sensor 540 is disposed or mounted, and may be attached or fixed to the first substrate 531 by an adhesive.
- the opening 201 of the base 210 may correspond to the image sensor 540 , and may be exposed or opened by the opening 201 .
- the distance D22 to the photodiode 504 may be reduced. That is, D22 may be smaller than D21 in the embodiment of FIG. 45 (D22 ⁇ D21).
- D21 may be 4000 micrometers to 5000 micrometers
- D22 may be 3000 micrometers to 3800 micrometers.
- the camera device 200 forms an image of an object in space using the characteristics of light such as reflection, refraction, absorption, interference, diffraction, etc. It may be included in an optical instrument for the purpose of recording and reproducing an image by means of an optical instrument, or for optical measurement, propagation or transmission of an image.
- the optical device according to the embodiment is a mobile phone, a mobile phone, a smart phone, a portable smart device, a digital camera, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player) ), navigation, etc., but is not limited thereto, and any device for taking an image or photo is possible.
- FIG. 66 is a perspective view of the optical device 200A according to the embodiment, and FIG. 67 is a configuration diagram of the optical device 200A shown in FIG. 66 .
- the optical device 200A (hereinafter referred to as a portable "terminal”) has a body 850, a wireless communication unit 710, an A/V input unit 720, a sensing unit 740, and a mouth. / It may include an output unit 750 , a memory unit 760 , an interface unit 770 , a control unit 780 , and a power supply unit 790 .
- the body 850 shown in FIG. 66 is in the form of a bar, but is not limited thereto, and a slide type, a folder type, and a swing type in which two or more sub-bodies are coupled to be movable relative to each other. , and may have various structures such as a swivel type.
- the wireless communication unit 710 may include one or more modules that enable wireless communication between the terminal 200A and the wireless communication system or between the terminal 200A and the network in which the terminal 200A is located.
- the wireless communication unit 710 may include a broadcast reception module 711 , a mobile communication module 712 , a wireless Internet module 713 , a short-range communication module 714 , and a location information module 715 . have.
- the A/V (Audio/Video) input unit 720 is for inputting an audio signal or a video signal, and may include a camera 721 , a microphone 722 , and the like.
- the camera 721 may include the camera device 200 according to an embodiment.
- the sensing unit 740 detects the current state of the terminal 200A, such as the opening/closing state of the terminal 200A, the position of the terminal 200A, the presence or absence of user contact, the orientation of the terminal 200A, acceleration/deceleration of the terminal 200A, etc. It is possible to generate a sensing signal for controlling the operation of the terminal 200A by sensing. For example, when the terminal 200A is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it is responsible for sensing functions related to whether the power supply unit 790 is supplied with power, whether the interface unit 770 is coupled to an external device, and the like.
- the input/output unit 750 is for generating input or output related to sight, hearing, or touch.
- the input/output unit 750 may generate input data for operation control of the terminal 200A, and may also display information processed by the terminal 200A.
- the input/output unit 750 may include a keypad unit 730 , a display module 751 , a sound output module 752 , and a touch screen panel 753 .
- the keypad unit 730 may generate input data in response to a keypad input.
- the display module 751 may include a plurality of pixels whose color changes according to an electrical signal.
- the display module 751 may include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a three-dimensional (3D) display module. It may include at least one of a display (3D display).
- the sound output module 752 outputs audio data received from the wireless communication unit 710 in a call signal reception, a call mode, a recording mode, a voice recognition mode, or a broadcast reception mode, or stored in the memory unit 760 . Audio data can be output.
- the touch screen panel 753 may convert a change in capacitance generated due to a user's touch on a specific area of the touch screen into an electrical input signal.
- the memory unit 760 may store a program for processing and control of the controller 780, and stores input/output data (eg, phone book, message, audio, still image, photo, video, etc.) Can be temporarily stored.
- input/output data eg, phone book, message, audio, still image, photo, video, etc.
- the memory unit 760 may store an image captured by the camera 721 , for example, a photo or a moving picture.
- the interface unit 770 serves as a passage for connecting to an external device connected to the terminal 200A.
- the interface unit 770 receives data from an external device, receives power and transmits it to each component inside the terminal 200A, or transmits data inside the terminal 200A to an external device.
- the interface unit 770 may include a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, a port for connecting a device equipped with an identification module, and an audio I/O (Input/O) (Input/O) port. Output) port, video I/O (Input/Output) port, and may include an earphone port, and the like.
- the controller 780 may control the overall operation of the terminal 200A.
- the controller 780 may perform related control and processing for voice call, data communication, video call, and the like.
- the controller 780 may include a multimedia module 781 for playing multimedia.
- the multimedia module 781 may be implemented within the control unit 780 or may be implemented separately from the control unit 780 .
- the controller 780 may perform a pattern recognition process capable of recognizing a handwriting input or a drawing input performed on the touch screen as characters and images, respectively.
- the power supply unit 790 may receive external power or internal power under the control of the control unit 780 to supply power required for operation of each component.
- the camera device 200 may be disposed on the body 850 of the portable terminal 200A so that the incident surface 8A of the optical member 40 is disposed parallel to one surface (eg, the back or front side) of the body 850 .
- the first actuator 310 , the second actuator 320 , and the image sensing unit 330 may be arranged from the top to the bottom of the body 850 of the portable terminal 200A.
- the camera device may be rotated by 90 degrees in the arrangement of FIG. 66 . That is, the first actuator 310, the second actuator 320, and the image sensing unit 330 may be arranged in a direction from the first long side to the second long side of the body 850 of the portable terminal 200A. have.
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Abstract
Description
구분 | 0.3T(a) | 0.5T(b) | 1.0T(c) | 1.2T(d) |
Ra(um) | 0.114 | 0.121 | 0.033 | 0.026 |
PV(um) | 0.654 | 0.545 | 0.157 | 0.121 |
SFR(해상력%) | 27 | 32 | 41 | 43 |
Claims (10)
- 하우징;상기 하우징 내에 배치되는 홀더 및 상기 홀더에 배치되는 광학부재를 포함하는 무버;상기 하우징 내에 배치되며 상기 무버를 이동시키는 구동부; 및상기 홀더와 상기 광학부재 사이에 배치되는 접합부재;를 포함하며,상기 광학부재는 반사면 및 상기 반사면에 배치되는 코팅층을 포함하고,상기 코팅층은 상기 접합부재와 접하는 제1 영역 및 상기 제1 영역 이외의 제2 영역;을 포함하고,상기 제1 영역에서의 두께는 상기 제2 영역에서의 두께보다 큰 카메라 엑추에이터.
- 제1항에 있어서,상기 홀더는 상기 광학부재의 반사면과 대응하는 안착면을 포함하고,상기 안착면은 에지 영역 및 에지 영역 내측에 배치되는 내측 영역;을 포함하는 카메라 엑추에이터.
- 제2항에 있어서,상기 안착면은 에지 영역에 배치되는 안착 돌기;를 포함하는 카메라 엑추에이터.
- 제2항에 있어서,상기 제1 영역은 상기 에지 영역 상에 위치하고,상기 제2 영역은 상기 내측 영역 상에 위치하는 카메라 엑추에이터.
- 제4항에 있어서,상기 코팅층은 상기 제2 영역에서 상기 안착면과 이격 배치되는 카메라 엑추에이터.
- 제4항에 있어서,상기 접합부재는 상기 제1 영역과 적어도 일부 접하는 카메라 엑추에이터.
- 제4항에 있어서,상기 접합부재는 상기 제2 영역과 어긋나는 카메라 엑추에이터.
- 제3항에 있어서,상기 접합부재는 상기 안착 돌기 상에 배치되는 카메라 엑추에이터.
- 제4항에 있어서,상기 코팅층은 복수의 층으로 이루어지고,상기 제1 영역에서 복수의 층의 개수는 상기 제2 영역에서 복수의 층의 개수보다 큰 카메라 엑추에이터.
- 제1항에 있어서,상기 광학부재는 프리즘 또는 미러인 카메라 엑추에이터.
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KR1020210058530A KR20220151367A (ko) | 2021-05-06 | 2021-05-06 | 카메라 엑추에이터 및 이를 포함하는 카메라 모듈 |
KR1020210062821A KR20220155056A (ko) | 2021-05-14 | 2021-05-14 | 카메라 장치 및 이를 포함하는 광학 기기 |
KR10-2021-0062820 | 2021-05-14 | ||
KR1020210062820A KR20220155055A (ko) | 2021-05-14 | 2021-05-14 | 카메라 장치 및 이를 포함하는 광학 기기 |
KR10-2021-0062821 | 2021-05-14 | ||
KR1020210063212A KR20220155685A (ko) | 2021-05-17 | 2021-05-17 | 카메라 장치 및 이를 포함하는 광학 기기 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013167818A (ja) * | 2012-02-16 | 2013-08-29 | Olympus Imaging Corp | 撮像装置 |
JP2017198979A (ja) * | 2016-04-08 | 2017-11-02 | 台湾東電化股▲ふん▼有限公司 | カメラモジュール |
KR20180094355A (ko) * | 2017-02-15 | 2018-08-23 | 삼성전기주식회사 | 손떨림 보정 반사모듈 및 이를 포함하는 카메라 모듈 |
CN111294484A (zh) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | 摄像头组件和终端设备 |
KR20210013973A (ko) * | 2019-07-29 | 2021-02-08 | 엘지이노텍 주식회사 | 카메라 모듈 및 이를 포함하는 카메라 장치 |
-
2022
- 2022-05-06 WO PCT/KR2022/006487 patent/WO2022235111A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013167818A (ja) * | 2012-02-16 | 2013-08-29 | Olympus Imaging Corp | 撮像装置 |
JP2017198979A (ja) * | 2016-04-08 | 2017-11-02 | 台湾東電化股▲ふん▼有限公司 | カメラモジュール |
KR20180094355A (ko) * | 2017-02-15 | 2018-08-23 | 삼성전기주식회사 | 손떨림 보정 반사모듈 및 이를 포함하는 카메라 모듈 |
CN111294484A (zh) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | 摄像头组件和终端设备 |
KR20210013973A (ko) * | 2019-07-29 | 2021-02-08 | 엘지이노텍 주식회사 | 카메라 모듈 및 이를 포함하는 카메라 장치 |
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