WO2023027424A1 - 카메라 모듈 - Google Patents
카메라 모듈 Download PDFInfo
- Publication number
- WO2023027424A1 WO2023027424A1 PCT/KR2022/012351 KR2022012351W WO2023027424A1 WO 2023027424 A1 WO2023027424 A1 WO 2023027424A1 KR 2022012351 W KR2022012351 W KR 2022012351W WO 2023027424 A1 WO2023027424 A1 WO 2023027424A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disposed
- coupled
- shield member
- hole
- camera module
- Prior art date
Links
- 238000010168 coupling process Methods 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims abstract description 52
- 238000005859 coupling reaction Methods 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims description 31
- 230000001070 adhesive effect Effects 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 description 9
- 239000007769 metal material Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
- G03B35/00—Stereoscopic photography
- G03B35/02—Stereoscopic photography by sequential recording
- G03B35/06—Stereoscopic photography by sequential recording with axial movement of lens or gate between exposures
Definitions
- This embodiment relates to a camera module.
- subminiature camera module has been developed, and the subminiature camera module is widely used in small electronic products such as smart phones, laptop computers, and game consoles.
- micro cameras are widely used in vehicles as well as small electronic products.
- a black box camera for vehicle protection or objective data of a traffic accident a rear surveillance camera that enables the driver to monitor blind spots at the rear of the vehicle through a screen to ensure safety when reversing the vehicle.
- An ambient detection camera or the like capable of monitoring the surroundings of the vehicle is provided.
- the camera may include a lens, a lens holder accommodating the lens, an image sensor converting an image of a subject gathered in the lens into an electrical signal, and a printed circuit board on which the image sensor is mounted.
- the housing constituting the exterior of the camera has a structure in which the entire area is sealed to prevent internal parts from being contaminated by foreign substances including moisture.
- the present embodiment is to provide a camera module capable of easily aligning a distance between a lens and an image sensor and firmly fixing a printed circuit board in a body.
- a camera module includes a first body including a lens; a second body coupled to the first body; a shield member coupled to the second body; a substrate disposed within the shield member; and a fastening member coupling the substrate and the shield member to the second body, wherein the shield member includes a bottom plate and a first coupling portion protruding from the bottom plate to support the substrate.
- the first body may be coupled to the second body by an adhesive.
- the first coupling part of the shield member may include a fourth hole into which the fastening member is inserted.
- the substrate may include a second hole formed at a position corresponding to the fourth hole of the shield member, and the fastening member may be inserted into the second hole.
- the fastening member may include a screw, and the second body may include a first hole into which the screw is screwed.
- the fastening member may be integrally formed with the second body.
- the second body may include a second coupling portion corresponding to a shape of the first coupling portion of the shield member.
- the fastening member may be formed to extend from one end of the second coupling part of the second body.
- the first body may be spaced apart from the substrate.
- a camera module includes a lens unit; an image sensor coupled to the lens unit; and a connector electrically connected to the image sensor, wherein the image sensor unit includes a rear cover, a shield member coupled to the rear cover, and a substrate disposed within the shield member and having the image sensor disposed thereon,
- the shield member includes a guide extending from a bottom surface to support the connector.
- the lens unit may include a front cover, and the front cover may be coupled to the rear cover by an adhesive.
- the front cover may include a first sidewall having a first groove formed at an end thereof, and the rear cover may include a second sidewall having a second protrusion formed at an end portion corresponding to the first groove of the front cover.
- the adhesive may be disposed between the first groove of the front cover and the second protrusion of the rear cover.
- the guide may include a first region extending from the bottom surface and a second region bent at one end of the first region.
- a camera module includes a lens unit including a lens and a first body; an image sensor unit coupled to the lens unit and including a substrate on which an image sensor is disposed and a second body to which the substrate is coupled; and an adhesive coupling the first body and the second body, wherein an optical axis of the lens and a position of the image sensor are aligned when the first body and the second body are coupled.
- the substrate can be firmly fixed in the body, there is an advantage in preventing components within the camera module from being damaged from external impact.
- FIG. 1 is a perspective view showing the exterior of a camera module according to an embodiment of the present invention.
- Figure 2 is a plan view showing the side of the camera module according to an embodiment of the present invention.
- FIG 3 is a cross-sectional view of a camera module according to an embodiment of the present invention.
- Figure 4 is an enlarged perspective view of A of Figure 3;
- FIG. 5 is an exploded perspective view of a camera module according to an embodiment of the present invention.
- Fig. 6 shows Fig. 5 from another angle
- FIG. 7 is a perspective view showing a partially cut away camera module according to an embodiment of the present invention.
- FIG. 8 is an exploded perspective view of a printed circuit board, a shield member, and a second body according to an embodiment of the present invention.
- FIG. 9 is an exploded perspective view of a first body and a second body according to an embodiment of the present invention.
- FIG. 10 is a view showing a coupling structure of a printed circuit board, a shield member, and a second body according to an embodiment of the present invention.
- Fig. 11 is a view showing a modified example of Fig. 10;
- FIG 12 and 13 are views for explaining coupling between a printed circuit board and a second body according to an embodiment of the present invention.
- FIG. 14 is a view showing a state in which a first body is coupled in a state in which a second body is fixed according to an embodiment of the present invention
- 15 is a view showing a state in which a second body is coupled in a state in which a first body is fixed according to an embodiment of the present invention
- the technical idea of the present invention is not limited to some of the described embodiments, but may be implemented in a variety of different forms, and if it is within the scope of the technical idea of the present invention, one or more of the components among the embodiments can be selectively implemented. can be used in combination or substitution.
- the singular form may also include the plural form unless otherwise specified in the phrase, and when described as "at least one (or more than one) of A and (and) B and C", A, B, and C are combined. may include one or more of all possible combinations.
- first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the term is not limited to the nature, order, or order of the corresponding component.
- a component when a component is described as being 'connected', 'coupled', or 'connected' to another component, the component is directly 'connected', 'coupled', or 'connected' to the other component. In addition to the case, it may include cases where the component is 'connected', 'combined', or 'connected' due to another component between the component and the other component.
- the 'optical axis direction' used below is defined as the optical axis direction of the lens. Meanwhile, the 'optical axis direction' may correspond to 'up and down directions' and 'z-axis directions'.
- Figure 1 is a perspective view showing the appearance of a camera module according to an embodiment of the present invention
- Figure 2 is a plan view showing the side of the camera module according to an embodiment of the present invention
- Figure 3 is according to an embodiment of the present invention A cross-sectional view of the camera module
- Figure 4 is an enlarged perspective view of A in Figure 3
- Figure 5 is an exploded perspective view of the camera module according to an embodiment of the present invention
- Figure 6 is a view showing Figure 5 from another angle
- Figure 7 is a perspective view showing a partially cut away camera module according to an embodiment of the present invention
- Figure 8 is an exploded perspective view of a printed circuit board, a shield member and a second body according to an embodiment of the present invention
- Figure 9 is It is an exploded perspective view of a first body and a second body according to an embodiment of the present invention
- FIG. 10 is a view showing a coupling structure of a printed circuit board, a shield member, and a second body according to an embodiment of the present invention
- a camera module 10 may be a vehicle camera module.
- the camera module 10 may be coupled to a vehicle.
- the camera module 10 may be used for any one or more of a front camera, a side camera, a rear camera, and a black box of a vehicle.
- the camera module 10 may be disposed in front of the vehicle.
- the camera module 10 may be disposed at the rear of the vehicle.
- the camera module 10 may be coupled to a windshield of a vehicle.
- the camera module 10 may be coupled to a front or rear windshield of the vehicle.
- the camera module 10 may be disposed on the side of the vehicle.
- the camera module 10 may photograph a subject and output the image to a display (not shown).
- the camera module 10 may include the first body 100 .
- the first body 100 may be named as any one of a front body, an upper housing, a first housing, and a front cover.
- the first body 100 may include a body portion 110 .
- the first body 100 may include a barrel portion 120 .
- the first body 100 may include a lens 300 .
- the body portion 110, the barrel portion 120, and the lens 300 of the first body 100 may be integrally formed. Any two or more of the body portion 110, the barrel portion 120, and the lens 300 of the first body 100 may be integrally formed. Alternatively, the body portion 110, the barrel portion 120, and the lens 300 may be separately formed.
- the first body 100 and the lens 300 may be referred to as a lens unit.
- the body part 110 may be coupled to the barrel part 120 .
- the body part 110 may be integrally formed with the barrel part 120 .
- the body part 110 may be formed of a metal material.
- the body portion 110 may be disposed on the second body 200 to be described later.
- the body part 110 may be coupled to the second body 200 .
- a lower end of the body portion 110 may be fixed to the second body 200 .
- the body part 110 may be coupled to the second body 200 by an adhesive 800 .
- the body portion 110 may be formed in a rectangular shape with an open bottom. At this time, the corner of the body portion 110 may be formed to be rounded.
- the body portion 110 may include a top plate 110a and a first side plate 110b extending from the top plate 110a.
- the upper plate 110a may be formed in a rectangular shape.
- the upper plate 110a may extend outward from the lower outer circumferential surface of the barrel portion 120 .
- the first side plate 110b may extend downward from an outer edge of the top plate 110a.
- the first side plate 110b may be provided in plurality.
- the first side plate 110b may include four side plates.
- the first side plate 110b may be formed in a square plate shape.
- the first side plate 110b includes the 1-1 side plate and the 1-2 side plate, the 1-3 side plate disposed on the opposite side of the 1-1 side plate, and the 1-3 side plate disposed on the opposite side of the 1-2 side plate. 4 side plates may be included.
- the first side plate 110b may include 1-1 to 1-4 corners respectively disposed between the 1-1 to 1-4 side plates. Each of the 1-1 to 1-4 corners may include a round shape at least in part.
- a space portion partitioned from other areas may be formed inside the body portion 110 .
- the lower part of the space part is open, and the upper part may be covered through the lower surface of the barrel part 120 and the lens 300 .
- a first edge region for coupling with the second body 200 to be described later may be disposed on the lower surface of the body portion 110 .
- the first edge region may be disposed outside the space unit.
- the first edge region may be formed on a lower surface of the first side plate 110b.
- the first edge area may include a first protrusion 114 and a first groove 112 .
- the first protrusion 114 and the first groove 112 are according to the relative concept of the protruding shape, and the first protrusion 114 and the first groove 112 may be disposed stepwise.
- the first protrusion 114 may be disposed inside the first groove 112 .
- the first protrusion 114 may be formed to protrude downward from the lower surface of the body portion 110 .
- the first protrusion 114 may be formed to protrude downward from the lower surface of the first side plate 110b.
- the lower end of the first protrusion 114 may be disposed below the bottom surface of the first groove 112 .
- the first groove 112 may be disposed outside the first protrusion 114 .
- the first groove 112 may be formed to be recessed upward from the lower end of the first protrusion 114 .
- the bottom surface of the first groove 112 may be disposed above the lower end of the first protrusion 114 .
- the bottom surface of the first groove 112 may be defined as the lower surface of the first side plate 110b.
- a first buffer unit 117 may be disposed on a side surface of the first body 100.
- the first buffer part 117 may be formed to be recessed inward from the side surface of the body part 110, that is, the side surface of the first side plate 110b, more than other areas.
- the first buffer unit 117 may be disposed at the lower end of the first side plate 110b.
- the first buffer unit 117 may be disposed outside the first groove 112 . Through the first buffer unit 117, an area for disposing the adhesive 800 to be described later may be secured more widely.
- the first body 100 may include a barrel portion 120 .
- the barrel unit 120 may be a lens barrel.
- the barrel part 120 may be formed of a metal material.
- the barrel part 120 may be disposed on the body part 110 .
- the barrel part 120 may extend from the upper surface of the body part 110 .
- the barrel part 120 may be integrally formed with the body part 110 .
- the barrel part 120 may be coupled to the body part 110 .
- the barrel part 120 may be fixed to the body part 110 by an adhesive.
- the barrel part 120 may accommodate the lens 300 therein.
- the barrel part 120 may include a hole.
- a lens 300 may be disposed in a hole of the barrel part 120 .
- An inner circumferential surface of the hole of the barrel part 120 may be formed in a shape and size corresponding to the outer circumferential shape of the lens 300 .
- the first body 100 may include a lens 300 .
- the lens 300 may be disposed on the barrel part 120 .
- the lens 300 may be coupled to the barrel part 120 .
- the lens 300 may be disposed in a hole of the barrel part 120 .
- the lens 300 may include a plurality of lenses 300 .
- the lens 300 may be aligned with an image sensor to be described later.
- An optical axis may be aligned with the image sensor of the lens 300 .
- An optical axis of the lens 300 may coincide with an optical axis of the image sensor.
- the first body 100 may include an infrared filter (IR filter) disposed between the lens 300 and the image sensor.
- IR filter infrared filter
- the camera module 10 may include a second body 200 .
- the second body 200 may be named any one of a rear body, a lower housing, a second housing, and a rear cover.
- the second body 200 may be formed in a rectangular shape with an open top.
- the second body 200 may be formed of a metal material.
- the second body 200 may be disposed below the first body 100 .
- the second body 200 may be combined with the first body 100 .
- the second body 200 may form an internal space through coupling with the first body 100 .
- the second body 200 may include a space having an open upper surface.
- the second body 200 may include a bottom plate 210 .
- the bottom plate 210 may face the top plate 110a of the body portion 110 of the first body 100 .
- the bottom plate 210 may be spaced apart from the top plate 110a of the body portion 110 of the first body 110 in the optical axis direction.
- the bottom plate 210 may be parallel to the top plate 110a of the body portion 110 of the first body 100 .
- the bottom plate 210 may be formed in a square shape. At this time, at least a part of the corner of the bottom plate 210 may include a round shape.
- the second body 200 may include a second side plate 220 .
- the second side plate 220 may extend from the bottom plate 210 .
- the second side plate 220 may extend from an outer edge of the bottom plate 210 .
- a shield member 500 may be disposed on the second side plate 220 .
- the shield member 500 may be in surface contact with the inner surface of the second side plate 220 .
- An upper end of the second side plate 220 may be coupled to the first body 100 .
- the outer surface of the second side plate 220 may be disposed on the same plane as the outer surface of the first side plate 110b of the first body 100 .
- the second body 200 may include a connector lead-out portion 290 .
- the connector lead-out 290 may be coupled to the bottom plate 210 .
- the connector lead-out 290 may be disposed in the hole 291 (see FIG. 8 ) of the bottom plate 210 .
- the connector lead-out portion 290 may pass through the hole 291 of the bottom plate 210 .
- the connector 600 may be disposed inside the connector lead-out portion 290 .
- the connector lead-out portion 290 may be formed of a metal material.
- the connector lead-out part 290 may have a hollow pipe shape therein.
- the inner surface of the connector lead-out portion 290 may include a protrusion 292 protruding inward from other areas. An inner surface of the protrusion 292 may contact an outer surface of the connector 600 . Accordingly, the connector 600 may be firmly fixed within the connector lead-out portion 290 .
- an effect of aligning the position due to the protrusion 292 of the connector lead-out portion 290 can be seen.
- An inclined surface 294 (see FIG. 12 ) having a shape in which the distance from the connector 600 increases toward the lower end of the protrusion 292 may be disposed.
- the connector 600 may be easily guided into the space within the connector lead-out portion 290 through the inclined surface 294 .
- a sealing member 700 may be disposed between the connector 600 and the connector lead-out portion 290 . Through the sealing member 700 , it is possible to prevent external foreign matter from entering into the inner space of the second body 200 .
- the sealing member 700 may be disposed above the protruding portion 292 .
- the second body 200 may include a second edge region.
- the second edge region may be disposed outside the space of the second body 200 .
- the second edge region may be formed on the upper surface of the second side plate 220 .
- the second edge region may form an upper edge of the second body 200 .
- the second edge area may be disposed to face the first edge area in the optical axis direction.
- first edge region and the second edge region may be spaced apart from each other in the optical axis direction.
- an adhesive 800 to be described below may be disposed between the first edge area and the second edge area.
- the second edge area may include a second protrusion 222 and a second groove 224 .
- a second groove 224 may be disposed inside the second protrusion 222 .
- the first protrusion 114 and the second groove 224 may face each other, and the first groove 112 may face the second projection 222 .
- the second protrusion 222 and the second groove 224 are according to the relative concept of the protruding shape, and the second protrusion 222 and the second groove 224 may be disposed stepwise.
- the second protrusion 222 may be formed to protrude upward from the upper surface of the second body 200 .
- the second protrusion 222 may be formed to protrude upward from the upper surface of the second side plate 220 .
- At least a part of the second protrusion 222 may be disposed inside the first groove 112, but, unlike this, the upper surface of the second protrusion 222 is disposed lower than the lower surface of the first protrusion 114, or the same They may be arranged to form a plane.
- An upper surface of the second protrusion 222 may be spaced apart from a bottom surface of the first groove 112 in an optical axis direction.
- An upper end of the second protrusion 222 may be disposed above the bottom surface of the second groove 224 .
- An upper surface area of the second side plate 220 forming the same plane as the bottom surface of the second groove 224 may be additionally disposed outside the second protrusion 222 .
- the second groove 224 may be disposed inside the second protrusion 222 .
- a bottom surface of the second groove 224 may be disposed lower than an upper surface of the second protrusion 222 .
- the first protrusion 114 may be coupled to the second groove 224 .
- the bottom surface of the second groove 224 may be spaced apart from the lower surface of the first protrusion 114 in the optical axis direction.
- the bottom surface of the second groove 224 may be defined as the top surface of the second side plate 220 .
- a second buffer unit 227 may be disposed on the side of the second body 200.
- the second buffer unit 227 may be formed to be recessed inward from the side of the second side plate 220 more than other areas.
- the second buffer unit 227 may be disposed to face the first buffer unit 117 in the optical axis direction.
- the second buffer unit 227 may be disposed on the top of the second side plate 220 .
- the second buffer unit 227 may be disposed outside the second protrusion 222 . Through the second buffer unit 227, a wider area for disposing the adhesive 800 to be described later can be secured.
- a plurality of ribs and rib grooves may be alternately disposed on the inner surface of the second body 200 .
- Ribs and rib grooves may be disposed on the inner surface of the second side plate 220 .
- the rib may protrude inward from the inner surface of the second side plate 220 more than other areas.
- the rib groove is disposed between a plurality of adjacent ribs and may have a groove shape. Ribs and rib grooves may form a concave-convex pattern on the inner surface of the second body 200 .
- the cross-sectional area of the second side plate 220 is increased by the ribs and the rib grooves, so that heat dissipation efficiency can be improved upon contact with the shield member 500 to be described later.
- the second body 200 may include a second coupling part 240 .
- the second coupling part 240 may be formed to protrude upward from the upper surface of the bottom plate 210 .
- An upper surface of the second coupling part 240 may be disposed lower than an upper surface of the second side plate 220 .
- the second coupler 240 may be provided in plurality and spaced apart from each other.
- the second coupling part 240 may be disposed in a corner area in a space within the second body 200 .
- two second couplers 240 may be provided and may be respectively disposed in a first corner area within the space and in a second corner area opposite to the first corner area.
- a first hole 242 may be formed on an upper surface of the second coupling part 240 .
- a screw S to be described later may be screwed into the first hole 242 .
- the second coupling part 240 may have a circular or rectangular cross section.
- a first rib 244 protruding upward from other regions may be formed on an upper surface of the second coupling part 240 .
- the first rib 244 may have a circular cross section.
- the first rib 244 may pass through a fifth hole 541 of the shield member 500 to be described later and be coupled to a third hole 431 of the printed circuit board 400 .
- a cross-sectional area of the first hole 242 may be larger than that of the first rib 244 .
- the camera module 10 may include an adhesive 800 .
- the adhesive 800 may be a region where the adhesive is cured.
- the adhesive 800 may be a region in which epoxy is cured.
- a coupled state between the first body 100 and the second body 200 can be firmly fixed by the adhesive 800 .
- the adhesive 800 may be disposed between the first body 100 and the second body 200 .
- Adhesive 800 may be disposed between the first edge area and the second edge area.
- a space at least partially spaced apart in the optical axis direction is disposed between the first edge region and the second edge region, and the adhesive 800 may be disposed in the space.
- the adhesive 800 is disposed between the lower surface of the first protrusion 114 and the bottom surface of the second groove 224, and between the upper surface of the second protrusion 222 and the bottom surface of the first groove 112 , The first body 100 and the second body 200 can be firmly coupled.
- the injection area is changed by the first buffer unit 117 and the second buffer unit 227. Since it is formed widely, there is an advantage that the injection process can be easily formed.
- the first body 100 and the second body 200 may be coupled in a state in which epoxy is injected into the first groove 112 or the second groove 224 . Even in this case, the adhesive 800 can form a relatively wide bonding area on the outer surfaces of the first body 100 and the second body 200 by the first buffer unit 117 and the second buffer unit 227. there is.
- the camera module 10 may include a printed circuit board 400 .
- the printed circuit board 400 may be referred to as a substrate.
- the printed circuit board 400 may be disposed within the second body 200 .
- the printed circuit board 400 may be disposed in a space within the second body 200 .
- the second body 200 and the printed circuit board 400 may be referred to as an image sensor unit.
- An image sensor 410 may be disposed on an upper surface of the printed circuit board 400 .
- a connector 600 may be coupled to a lower surface of the printed circuit board 400 .
- the printed circuit board 400 may be electrically connected to the connector 600 .
- the image sensor 410 may be electrically connected to the connector 600 through the printed circuit board 400 .
- the connector 600 may be soldered to the lower surface of the printed circuit board 400 .
- the printed circuit board 400 may include a second hole 430 and a third hole 431 .
- the second hole 430 and the third hole 431 may be formed to penetrate from the upper surface to the lower surface of the printed circuit board 400 , respectively.
- the second hole 430 may be disposed to face the first hole 242 of the second body 200 in the optical axis direction.
- the third hole 431 may be disposed to face the first rib 244 of the second body 200 in the optical axis direction.
- the second hole 430 and the third hole 431 may be provided in plurality, respectively, and may be disposed in respective corner areas of the printed circuit board 400 facing each other.
- the second hole 430 and the third hole 431 may have different cross-sectional areas.
- the cross-sectional area of the second hole 430 may be larger than that of the third hole 431 .
- the cross-sectional area of the third hole 431 may correspond to the cross-sectional area of the first rib 244 .
- An area of the printed circuit board 400 where the second hole 430 and the third hole 431 are formed may be a ground area of a ground power supply.
- the camera module 10 may include a shield member 500 .
- the shield member 500 may be disposed in a space within the second body 200 .
- the shield member 500 is made of a metal material and can shield external electromagnetic waves.
- the shield member 500 may include a bottom plate 520 and a side plate 510 bent upward to an edge region of the bottom plate 520 .
- the bottom plate 210 of the second body 200 may be called a first bottom plate
- the bottom plate 520 of the shield member 500 may be called a second bottom plate
- the side plate 510 of 500 may be referred to as a third side plate 510.
- the second bottom plate 520 may contact the first bottom plate 210 .
- the third side plate 510 may contact the second side plate 220 . At least a portion of the third side plate 510 may have a region bent so that the cross-sectional area of the inner space is different.
- the printed circuit board 400 may be disposed in a space within the shield member 500 .
- the upper surface of the third side plate 510 may be disposed above the upper surface of the printed circuit board 400 .
- a part of the upper end of the third side plate 510 may be disposed in the space within the first body 100 .
- the shield member 500 may include a first coupling part 540 .
- the first coupling part 540 may be formed to protrude upward from the upper surface of the second bottom plate 520 .
- the first coupling part 540 may have a shape made by bending a corner area where the second bottom plate 520 and the third side plate 510 meet inward.
- An upper surface of the first coupling part 540 may be disposed lower than an upper surface of the third side plate 510 .
- the first coupler 540 may be disposed to face the second coupler 240 in the optical axis direction.
- the first coupling part 540 may be disposed in a corner area of the space within the shield member 500 .
- the first couplers 540 may be provided in plurality and may be disposed at respective corner regions facing each other in a space within the shield member 500 .
- Coupling grooves 530 may be formed on the lower surface of the shield member 500 corresponding to the formation area of the first coupling portion 540 and have a shape that is more depressed than other areas.
- the cross-sectional shape of the coupling groove 530 may be formed to correspond to the cross-sectional shape of the second coupling portion 240 of the second body 200 .
- the second coupling part 240 may be coupled to the coupling groove 530 .
- the second coupling part 240 may be disposed within the coupling groove 530 .
- the first coupling part 540 may include a fourth hole 542 and a fifth hole 541 .
- the fourth hole 542 and the fifth hole 541 may be formed to pass through the lower surface from the upper surface of the first coupling part 540 .
- the fourth hole 542 may be disposed to face the first hole 242 of the second body 200 and the second hole 430 of the printed circuit board 400 in the optical axis direction.
- Cross-sectional shapes of the first hole 542, the second hole 430, and the fourth hole 542 may be formed to correspond to each other.
- the fifth hole 541 may be disposed to face the first rib 244 of the second body 200 and the third hole 431 of the printed circuit board 400 in the optical axis direction.
- the fourth hole 542 and the fifth hole 541 may have different cross-sectional areas. For example, the cross-sectional area of the fourth hole 542 may be larger than that of the fifth hole 541 .
- the shield member 500 may include a connector hole 522 .
- the connector hole 522 may be formed to pass through the lower surface from the upper surface of the second bottom plate 520 .
- the connector hole 522 may be disposed substantially at the center of the second bottom plate 520 .
- the connector hole 522 may be formed to correspond to the placement area of the connector 600 .
- a cross-sectional area of the connector hole 522 may be larger than that of the connector 600 .
- the connector 600 may pass through the connector hole 522 .
- the connector 600 may extend from the lower surface of the printed circuit board 400 , pass through the connector hole 522 , and be coupled to the inside of the connector lead-out portion 290 .
- the shield member 500 may include a guide 580 .
- the guide 580 may be disposed in a region where the connector hole 522 is formed.
- the guide 580 may protrude from the inner surface of the connector hole 522 .
- the guide 580 may be formed by cutting a portion of the second bottom plate 520 .
- a plurality of guides 580 may be provided and spaced apart from each other along the circumferential direction with respect to the connector 600 .
- the guide 580 may have an area bent at least once.
- the guide 580 may extend from the bottom surface of the second bottom plate 520 .
- the guide 580 may include a first region 582 protruding from an inner surface of the connector hole 522 and a second region 584 bent from an end of the first region 582 and protruding inward.
- a protrusion area protruding inward from other areas may be formed on an inner surface of the second area 584 .
- the protruding area may contact the outer surface of the connector 600 .
- the protruding area may press the outer surface of the connector 600 .
- the guide 580 may have elasticity in a direction in which the protrusion area presses the outer surface of the connector 600 , and thus the connector 600 may be firmly fixed in the connector hole 522 .
- the connector 600 when the connector 600 is coupled to the shield member 500, it may be coupled in an aligned state due to the guide 580.
- the printed circuit board 400 may be coupled to the shield member 500 and the second body 200 through a fastening member.
- the fastening member may include a screw (S).
- the printed circuit board 400 may be screwed to the shield member 500 and the second body 200 through the fastening member.
- the screw S may be coupled downward from the top of the printed circuit board 400 .
- the screw S passes through the second hole 430 of the printed circuit board 400 and the fourth hole 542 of the shield member 500, and is screwed into the first hole 242 of the second body 200.
- a screw thread or a screw groove may be formed on an inner surface of the first hole 242 .
- the first rib 244 penetrates the fifth hole 541 of the shield member 500 to form a printed circuit board.
- the printed circuit board 400, the shield member 500, and the second body 200 can be primarily coupled, so that the screw coupling process is easier. can proceed
- FIG. 11 is a modified example of FIG. 10 , in which the printed circuit board 400, the shield member 500, and the second body 200 are coupled to each other through the protrusion 270 of the second body 200 instead of screw coupling.
- the fastening member may be the protrusion 270 .
- the protrusion 270 may be integrally formed with the second body 200 .
- the protrusion 270 protrudes upward from the upper surface of the second coupling part 240 and is disposed to pass through the fourth hole 542 of the shield member 500 and the second hole 430 of the printed circuit board 400. It can be.
- the protrusion 270 is disposed on the first region 272 disposed in the fourth hole 542 and the second hole 430, and disposed on the upper portion of the first region 272 and disposed on the printed circuit board 400.
- a second region 274 may be included.
- the second area 274 may have a larger cross-sectional area than the first area 272 , the fourth hole 542 , and the second hole 430 .
- the second region 274 may be formed by applying heat to a portion of the upper end of the protrusion 270 . Accordingly, the printed circuit board 400, the shield member 500, and the second body 200 may be fused to each other.
- the printed circuit board 400 can be firmly fixed to the space within the shield member 500 and the second body 200, thereby preventing the printed circuit board 400 from being damaged from external impact. It has the advantage of being able to easily align the distance between the image sensor 410 and the lens 300 disposed on the printed circuit board 400 .
- FIG 12 and 13 are views for explaining the coupling of the printed circuit board and the second body according to an embodiment of the present invention.
- the second body 200 when the printed circuit board 400 and the second body 200 are coupled, since the connector 600 is coupled to the second body 200 while being coupled to the lower surface of the printed circuit board 400, the second There is an advantage in that the coupling process of the printed circuit board 400 and the coupling process of the connector 600 in the body 200 can be unified.
- the connector 600 is placed in the space within the connector lead-out portion 290. can be precisely aligned to the design position. This is different from the conventional structure in which the printed circuit board and the connector are individually assembled.
- the camera module 10 since the printed circuit board 400 is guided by the second coupling portion 240 and the first coupling portion 540, the camera module 10 according to this embodiment has an image sensor 410 and a lens 300 There is an advantage in that the optical axis direction distance between the two can be easily aligned. That is, by combining the first body 100 and the second body 200, the optical axis of the lens 300 and the position of the image sensor 410 can be simultaneously aligned.
- FIG. 14 is a view showing a state in which the first body is coupled in a state where the second body is fixed according to an embodiment of the present invention, and FIG. It is a drawing showing how the 2 bodies are combined.
- the optical axis of the lens 300 and the position of the image sensor 400 are aligned after the first body 100 and the second body 200 are coupled. This may be implemented while the adhesive 800 is cured.
- the alignment of the optical axis of the lens 300 and the position of the image sensor 410 is fixed by a jig J between the first body 100 and the second body 200. and can be made in the process of adjusting one another.
- the state in which the second body 200 is fixed is fixed to the jig J
- the bonding process of the first body 100 and the second body 200 through the adhesive 800 and the process of adjusting the distance between the image sensor 410 and the lens 300 There are advantages to unification.
- the lens 300 and the image sensor 410 Optical axes may be aligned, and a distance between the lens 300 and the image sensor 410 may be adjusted.
- the first body 100 is attached to the jig J Even when the second body 200 is coupled in a fixed state, the bonding process between the first body 100 and the second body 200 through the adhesive 800 and between the image sensor 410 and the lens 300
- the distance control process can be unified.
- the lens 300 and the image sensor 410 Optical axes may be aligned, and a distance between the lens 300 and the image sensor 410 may be adjusted.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims (15)
- 렌즈를 포함하는 제1 바디;상기 제1 바디와 결합되는 제2 바디;상기 제2 바디와 결합되는 쉴드 부재;상기 쉴드 부재 내에 배치되는 기판; 및상기 기판 및 상기 쉴드 부재를 상기 제2 바디에 결합시키는 체결 부재를 포함하고,상기 쉴드 부재는 바닥판과, 상기 바닥판에서 돌출되어 상기 기판을 지지하는 제1 결합부를 포함하는 카메라 모듈.
- 제 1 항에 있어서,상기 제1 바디는 접착제에 의해 상기 제2 바디와 결합하는 카메라 모듈
- 제 1 항에 있어서,상기 쉴드 부재의 제1결합부는 상기 체결 부재가 삽입되는 제4홀을 포함하는 카메라 모듈.
- 제 3 항에 있어서,상기 기판은 상기 쉴드 부재의 상기 제4홀과 대응되는 위치에 형성되는 제2홀을 포함하고,상기 체결 부재는 상기 제2홀에 삽입되는 카메라 모듈.
- 제 4 항에 있어서,상기 체결 부재는 스크류를 포함하고, 상기 제2 바디에는 상기 스크류가 나사 결합되는 제1홀을 포함하는 카메라 모듈.
- 제 1 항에 있어서,상기 체결 부재는 상기 제2 바디와 일체로 형성된 카메라 모듈.
- 제 6 항에 있어서,상기 제2 바디는 상기 쉴드 부재의 제1 결합부의 형상에 대응되는 제2 결합부를 포함하는 카메라 모듈.
- 제 7 항에 있어서,상기 체결 부재는 상기 제2 바디의 제2 결합부의 일단에서 연장되어 형성되는 카메라 모듈.
- 제 1 항에 있어서,상기 제1바디는 상기 기판과 이격되는 카메라 모듈.
- 렌즈부;상기 렌즈부와 결합되는 이미지 센서; 및상기 이미지 센서와 전기적으로 연결되는 커넥터를 포함하고,상기 이미지 센서부는 후면 커버, 상기 후면 커버와 결합하는 쉴드 부재, 상기 쉴드 부재 내에 배치되며 상면에 상기 이미지 센서가 배치되는 기판을 포함하고,상기 쉴드 부재는 바닥면에서 연장되어 상기 커넥터를 지지하는 가이드를 포함하는 카메라 모듈.
- 제10항에 있어서,상기 렌즈부는 전면 커버를 포함하고,상기 전면 커버는 접착제에 의해 상기 후면 커버와 결합하는 카메라 모듈.
- 제11항에 있어서,상기 전면 커버는 끝단에 제1홈이 형성된 제1측벽을 포함하고,상기 후면 커버는 끝단에 상기 전면 커버의 제1홈의 대응되는 위치에 형성된 제2돌출부를 갖는 제2측벽을 포함하는 카메라 모듈.
- 제 12 항에 있어서,상기 접착제는 상기 전면 커버의 제1홈과 상기 후면 커버의 제2돌출부 사이에 배치되는 카메라 모듈.
- 제10항에 있어서,상기 가이드는 상기 바닥면에서 연장된 제1 영역과 상기 제1 영역의 일단에서 절곡되는 제2 영역을 포함하는 카메라 모듈.
- 렌즈와 제1 바디를 포함하는 렌즈부;상기 렌즈부와 결합되고, 이미지 센서가 배치된 기판 및 상기 기판이 결합된 제2 바디를 포함하는 이미지 센서부; 및상기 제1 바디와 상기 제2 바디를 결합하는 접착제를 포함하고,상기 제1 바디와 상기 제2 바디 결합 시 상기 렌즈의 광축과 상기 이미지 센서의 위치가 얼라인되는 카메라 모듈.
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CN202280057858.4A CN117882387A (zh) | 2021-08-23 | 2022-08-18 | 相机模块 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2021-0111122 | 2021-08-23 | ||
KR1020210111122A KR20230029076A (ko) | 2021-08-23 | 2021-08-23 | 카메라 모듈 |
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WO2023027424A1 true WO2023027424A1 (ko) | 2023-03-02 |
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PCT/KR2022/012351 WO2023027424A1 (ko) | 2021-08-23 | 2022-08-18 | 카메라 모듈 |
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KR (1) | KR20230029076A (ko) |
CN (1) | CN117882387A (ko) |
WO (1) | WO2023027424A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180042566A (ko) * | 2016-10-18 | 2018-04-26 | 엘지이노텍 주식회사 | 카메라 모듈 |
JP2019047435A (ja) * | 2017-09-06 | 2019-03-22 | 日本電産コパル株式会社 | 撮像装置 |
KR20200058038A (ko) * | 2018-11-19 | 2020-05-27 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20210022887A (ko) * | 2019-08-21 | 2021-03-04 | 자화전자(주) | 차량용 카메라 모듈 |
JP2021039952A (ja) * | 2016-02-05 | 2021-03-11 | イリソ電子工業株式会社 | 撮像装置用部品及び撮像装置 |
-
2021
- 2021-08-23 KR KR1020210111122A patent/KR20230029076A/ko unknown
-
2022
- 2022-08-18 CN CN202280057858.4A patent/CN117882387A/zh active Pending
- 2022-08-18 WO PCT/KR2022/012351 patent/WO2023027424A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021039952A (ja) * | 2016-02-05 | 2021-03-11 | イリソ電子工業株式会社 | 撮像装置用部品及び撮像装置 |
KR20180042566A (ko) * | 2016-10-18 | 2018-04-26 | 엘지이노텍 주식회사 | 카메라 모듈 |
JP2019047435A (ja) * | 2017-09-06 | 2019-03-22 | 日本電産コパル株式会社 | 撮像装置 |
KR20200058038A (ko) * | 2018-11-19 | 2020-05-27 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20210022887A (ko) * | 2019-08-21 | 2021-03-04 | 자화전자(주) | 차량용 카메라 모듈 |
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KR20230029076A (ko) | 2023-03-03 |
CN117882387A (zh) | 2024-04-12 |
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