WO2022260440A1 - 카메라 모듈 - Google Patents
카메라 모듈 Download PDFInfo
- Publication number
- WO2022260440A1 WO2022260440A1 PCT/KR2022/008102 KR2022008102W WO2022260440A1 WO 2022260440 A1 WO2022260440 A1 WO 2022260440A1 KR 2022008102 W KR2022008102 W KR 2022008102W WO 2022260440 A1 WO2022260440 A1 WO 2022260440A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disposed
- ground portion
- edge region
- protrusion
- camera module
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 25
- 230000001070 adhesive effect Effects 0.000 claims description 25
- 239000004593 Epoxy Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 239000007769 metal material Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04N23/51—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
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
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 further improving the electrical characteristics of the camera module by improving the structure and firmly maintaining a coupled state between a plurality of bodies.
- a camera module capable of protecting electronic devices mounted on a PCB by forming a grounding structure on a housing in order to connect to a ground terminal of the PCB in order to remove electromagnetic waves introduced from the outside.
- a camera module includes a first body including a lens; a second body coupled to the first body; and a printed circuit board disposed within the first body, the first body including a first ground portion protruding downward, and the second body protruding upward to contact the first ground portion. Including the grounding part.
- the first body includes a top plate and a first side plate extending downward from the top plate, the first ground part protrudes downward from a lower surface of the top plate, and the second body includes a bottom plate and the bottom plate. and a second side plate extending upward from the base plate, and the second ground portion may protrude upward from an upper surface of the bottom plate.
- a first edge region is disposed on the lower surface of the first body, and a second edge region is disposed on the upper surface of the second body. At least a portion of the second edge region may be spaced apart in an optical axis direction.
- An adhesive member may be disposed between the first edge area and the second edge area.
- the adhesive member may include epoxy.
- the first edge area includes a first protrusion and a first groove disposed inside the first protrusion
- the second edge area includes a second groove coupled to the first protrusion and a first groove. It includes a coupled second protrusion, and a lower end of the first protrusion may be disposed lower than an upper end of the second protrusion.
- a lower end of the first ground portion may be disposed below a lower end of the first protrusion, and an upper end of the second ground portion may be disposed below a bottom surface of the second groove.
- the first ground portion includes a 1-1 ground portion disposed at a corner of the first body and a 1-2 ground portion disposed at a side surface of the first body, wherein the second ground portion comprises the second ground portion A 2-1 grounding part disposed at a corner of the body and in contact with the 1-1 grounding part, and a 2-2 grounding part disposed on a side surface of the second body and in contact with the 1-2nd grounding part can do.
- the printed circuit board may include a circuit area and a ground area disposed along an edge of the circuit area, and the ground area may include a guide groove through which the first ground portion passes.
- a camera module includes a first body including a lens and including a first edge region on a lower surface; a second body coupled to the first body and including a second edge region on an upper surface facing the first edge region; and a printed circuit board disposed within the first body, the first body including a first ground portion protruding downward, and the second body protruding upward to contact the first ground portion. and a grounding portion, and when the first grounding portion contacts the second grounding portion, the first edge area and the second edge area are spaced apart from each other.
- the first body, the second body and the printed circuit board are electrically connected to form a ground area, electromagnetic waves generated in the circuit area of the printed circuit board are radiated to the outside and affect adjacent electronic components. Since it is possible to prevent external electromagnetic waves from flowing into the printed circuit board, the electrical characteristics of the camera module can be further improved, and the inclusion of noise in electrical signals can be prevented, resulting in high-quality images. You can get it.
- 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 an exploded perspective view of a camera module according to an embodiment of the present invention.
- Figure 4 is a plan view showing the lower surface of the first body according to an embodiment of the present invention.
- FIG. 5 is a plan view showing a top surface of a second body according to an embodiment of the present invention.
- FIG. 6 is an enlarged view of a grounding unit according to an embodiment of the present invention.
- FIG. 7 is a plan view of a printed circuit board according to an embodiment of the present invention.
- FIG. 8 is a cross-sectional view showing the internal structure of a camera module according to an embodiment of the present invention.
- FIG. 9 is an enlarged view of A of FIG. 8;
- FIG. 10 is a modified example of the internal structure of a camera module 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 It is an exploded perspective view of the camera module
- Figure 4 is a plan view showing the lower surface of the first body according to an embodiment of the present invention
- Figure 5 is a plan view showing the upper surface of the second body according to an embodiment of the present invention
- 6 is an enlarged view of a grounding unit according to an embodiment of the present invention
- FIG. 7 is a plan view of a printed circuit board according to an embodiment of the present invention
- FIG. 8 is an internal structure of a camera module according to an embodiment of the present invention. It is a cross-sectional view showing
- FIG. 9 is an enlarged view of A in FIG.
- the 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, and a first housing.
- the first body 100 may include a body portion 120 .
- the first body 100 may include a barrel portion 110 .
- the first body 100 may include a lens 130 .
- the body portion 120, the barrel portion 110, and the lens 130 of the first body 100 may be integrally formed. Any two or more of the body portion 120, the barrel portion 110, and the lens 130 of the first body 100 may be integrally formed. Alternatively, the body portion 120, the barrel portion 110, and the lens 130 may be separately formed.
- the body part 120 may be coupled to the barrel part 110 .
- the body part 120 may be integrally formed with the barrel part 110 .
- the body part 120 may be formed of a metal material.
- the body portion 120 may be disposed on the second body 200 to be described later.
- the body part 120 may be coupled to the second body 200 .
- a lower end of the body portion 120 may be fixed to the second body 200 .
- the body part 120 may be coupled to the second body 200 by an adhesive.
- the body portion 120 may be coupled to a printed circuit board 300 to be described later.
- the body portion 120 may be formed in a rectangular shape with an open bottom. At this time, the corner of the body portion 120 may be formed to be rounded.
- the body portion 120 may include a top plate 124 and a first side plate 122 extending from the top plate 124 .
- the top plate 124 may be formed in a rectangular shape.
- the upper plate 124 may extend outward from the lower outer circumferential surface of the barrel part 110 .
- the first side plate 122 may extend downward from an outer edge of the top plate 124 .
- the first side plate 122 may be provided in plurality.
- the first side plate 122 may include four side plates.
- the first side plate 122 may be formed in a square plate shape.
- the first side plate 122 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 122 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 120 .
- the lower part of the space part is open, and the upper part may be covered through the lower surface of the barrel part 110 and the lens 130 .
- the body portion 120 may include a first edge region 170 .
- the first edge region 170 may be disposed outside the space.
- the first edge region 170 may form an edge of the lower surface of the body portion 120 .
- the first edge region 170 may include a first protrusion 178 and a first groove 175 .
- a first groove 175 may be disposed inside the first protrusion 178 based on the center of the body portion 120 .
- the first protrusion 178 may be disposed outside the first groove 175 .
- the first protrusion 178 may be formed to protrude downward from the lower surface of the body portion 120 . Based on the optical axis direction, the lower end of the first protrusion 178 may be disposed above the lower surface of the printed circuit board 300 . Based on the optical axis direction, the lower end of the first protrusion 178 may be disposed lower than the upper surface of the printed circuit board 300 . The lower end of the first protrusion 178 may be disposed below the bottom surface of the first groove 175 . The bottom surface of the first groove 175 may be disposed between the upper and lower surfaces of the printed circuit board 300 .
- a first inclined surface 179 having a shape in which the length in the optical axis direction to the second body 200 becomes shorter toward the inner side may be formed at an edge of the lower surface of the first protrusion 178 .
- the first groove 175 may be disposed inside the first protrusion 178 .
- the first groove 175 may be formed to be recessed upward from the lower end of the first protrusion 178 .
- the bottom surface of the first groove 175 may be disposed above the lower end of the first protrusion 178 .
- the first body 100 may include a barrel portion 110 .
- the barrel unit 110 may be a lens barrel.
- the barrel part 110 may be formed of a metal material.
- the barrel part 110 may be disposed on the body part 120 .
- the barrel part 110 may extend from the upper surface of the body part 120 .
- the barrel part 110 may be integrally formed with the body part 120 .
- the barrel part 110 may be coupled to the body part 120 .
- the barrel part 110 may be fixed to the body part 120 by an adhesive.
- the barrel portion 110 may accommodate the lens 130 therein.
- the barrel portion 110 may include a hole 112 .
- a lens 130 may be disposed in the hole 112 of the barrel part 110 .
- An inner circumferential surface of the hole of the barrel portion 110 may be formed in a shape and size corresponding to the outer circumferential shape of the lens 130 .
- the first body 100 may include a lens 130 .
- the lens 130 may be disposed on the barrel part 110 .
- the lens 130 may be coupled to the barrel portion 110 .
- the lens 130 may be disposed in the hole 112 of the barrel part 110 .
- the lens 130 may include a plurality of lenses 130 .
- the lens 130 may be aligned with an image sensor to be described later.
- An optical axis may be aligned with the image sensor of the lens 130 .
- An optical axis of the lens 130 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 130 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, and a second housing.
- 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 212 having an open upper surface.
- the second body 200 may include a bottom plate 202 .
- the bottom plate 202 may face the top plate 124 of the body portion 120 of the first body 100 .
- the bottom plate 202 may be spaced apart from the top plate 124 of the body portion 120 of the first body 110 in the optical axis direction.
- the bottom plate 202 may be parallel to the top plate 124 of the body portion 110 of the first body 100 .
- the bottom plate 202 may be formed in a square shape. At this time, at least a part of the corner of the bottom plate 202 may include a round shape.
- the second body 200 may include a second side plate 206 .
- the second side plate 206 may extend from the bottom plate 202 .
- the second side plate 206 may extend from an outer edge of the bottom plate 202 .
- a shield can (not shown) may be disposed on the second side plate 206 .
- a shield can may be in surface contact with an inner surface of the second side plate 206 .
- An upper end of the second side plate 206 may be coupled to the first body 100 .
- the outer surface of the second side plate 206 may be disposed on the same plane as the outer surface of the side plate 122 of the first body 100 .
- the second body 200 may include a connector lead-out portion 290 .
- the connector lead 290 may be coupled to the bottom plate 202 .
- the connector lead 290 may be disposed in the hole 207 of the bottom plate 202 .
- the connector lead-out 290 may pass through the hole 207 of the bottom plate 202 .
- the connector 500 may be disposed inside the connector lead-out part 290 .
- the connector lead-out portion 290 may be formed of a metal material.
- the second body 200 may include a second edge region 270 .
- the second edge region 270 may be disposed outside the space portion 212 .
- the second edge region 270 may be formed on an upper surface of the second side plate 206 .
- the second edge region 270 may form an upper edge of the second body 200 .
- the second edge area 270 may be disposed to face the first edge area 170 in the optical axis direction.
- first edge region 170 and the second edge region 270 may be spaced apart from each other in the optical axis direction.
- the adhesive member 400 to be described later is accommodated in the adhesive member accommodating portion ( 430) may be placed.
- the second edge region 270 may include a second protrusion 275 and a second groove 278 .
- a second groove 278 may be disposed outside the second protrusion 275 .
- the first protrusion 178 and the second groove 278 may be disposed to face each other, and the first groove 175 may be disposed to face the second protrusion 275 .
- the second protrusion 275 may be formed to protrude upward from the upper surface of the second body 200 .
- the second protrusion 275 may be formed to protrude upward from the upper surface of the second side plate 206 . At least a part of the second protrusion 275 may be disposed inside the first groove 175 . Based on a direction perpendicular to the optical axis direction, the second protrusion 275 may be disposed to at least partially overlap the first protrusion 178 .
- An upper end of the second protrusion 275 may be disposed above the bottom surface of the second groove 278 .
- the top of the second protrusion 275 or the bottom of the second groove 278 may be disposed between the upper and lower surfaces of the printed circuit board 300 .
- the second groove 278 may be disposed outside the second protrusion 275 .
- the bottom surface of the second groove 278 may be disposed below the top surface of the second protrusion 275 .
- the first protrusion 178 may be coupled to the second groove 278 .
- the bottom surface of the second groove 278 may be spaced apart from the lower surface of the first protrusion 178 in the optical axis direction (see FIG. 9), but unlike the bottom surface of the second groove 278, the first protrusion 178 It may be in contact with the lower surface of (see FIG. 10).
- a second inclined surface 279 facing the first inclined surface 179 in the optical axis direction may be disposed on the bottom surface of the second groove 278 .
- the second inclined surface 279 may be formed in a shape in which the length in the optical axis direction to the first body 100 becomes shorter toward the inside.
- the camera module 10 may include a printed circuit board 300 .
- the printed circuit board 300 may be disposed within the first body 100 .
- the printed circuit board 300 may be disposed in a space within the first body 100 .
- the printed circuit board 300 may be disposed to overlap a first grounding portion 150 to be described later in a direction perpendicular to the optical axis direction.
- the printed circuit board 300 may be disposed to overlap the first edge area 170 or the second edge area 270 in a direction perpendicular to the optical axis direction.
- An image sensor (not shown) may be disposed on the upper surface of the printed circuit board 300 .
- a connector 500 may be coupled to a lower surface of the printed circuit board 300 .
- the printed circuit board 300 may be electrically connected to the connector 500 .
- the printed circuit board 300 may include a circuit area 310 where a circuit pattern is formed and a ground area 320 . Circuit patterns are formed on the circuit area 310 , and at least one electronic component may be mounted on the surface. An image sensor may be disposed in the circuit area 310 .
- the ground area 320 may be disposed along an edge of the printed circuit board 300 .
- the ground area 320 may be a ground area where the copper foil of the printed circuit board 300 is exposed.
- the ground area 320 may contact the first body 100 or the second body 200 . Accordingly, the first body 100, the second body 200 and the ground area 320 may be interconnected.
- the printed circuit board 300 may include a first coupler 340 .
- the first coupling part 340 may include a screw hole 342 through which the screw 600 passes.
- the screw hole 342 may be formed to penetrate the lower surface from the upper surface of the printed circuit board 300 .
- the first coupling part 340 may be disposed on the ground area 320 .
- the printed circuit board 300 may be screwed to the first body 100 through the screw 600 penetrating the screw hole 342 . Accordingly, the ground area 320 of the printed circuit board 300 and the first body 100 may be electrically connected to each other.
- the first coupler 340 may be provided in plurality and spaced apart from each other.
- one first coupling part 340 including a screw hole 342 is disposed in each of the first corner area 371 and the second corner area 372 of the printed circuit board 300 adjacent to each other, and , One may be disposed on the second side surface 382 opposite to the first side surface 381 connecting the first corner area 371 and the second corner area 372 .
- the printed circuit board 300 may include a guide groove 330 .
- the guide groove 330 may be disposed on a side surface of the printed circuit board 300 .
- the guide groove 330 may be disposed in the ground area 320 .
- the guide groove 330 may have a shape in which a part of the side surface of the printed circuit board 300 is depressed inward.
- the first ground portion 150 may be disposed to pass through the guide groove 330 . Through this, when the first body 100 and the printed circuit board 300 are coupled, the position of the printed circuit board 300 can be guided through the first grounding portion 150 and the guide groove 300 .
- the guide grooves 330 are provided in plurality and may be spaced apart from each other.
- the guide grooves 330 are disposed in each of the third corner area 373 and the fourth corner area 374 of the printed circuit board 300 adjacent to each other, and are mutually disposed on the first side surface 381. Two may be arranged to be spaced apart.
- the camera module 10 may include an adhesive member 400 .
- the adhesive member 400 may be a region where an adhesive is cured.
- the adhesive member 400 may be a region in which epoxy is cured.
- a coupled state between the first body 100 and the second body 200 may be firmly fixed by the adhesive member 400 .
- the adhesive member 400 may be disposed between the first body 100 and the second body 200 .
- the adhesive member 400 may be disposed between the first edge area 170 and the second edge area 270 .
- the adhesive member accommodating portion 430 which is a space at least partially spaced apart in the optical axis direction, is disposed, and the adhesive member 400 It may be disposed in the adhesive member accommodating portion 430 .
- the adhesive member 400 is disposed between the lower surface of the first protrusion 178 and the bottom surface of the second groove 278, and between the upper surface of the second protrusion 275 and the bottom surface of the first groove 175.
- the first body 100 and the second body 200 can be firmly coupled.
- the first body 100 and the second body 200 may be coupled in a state in which epoxy is injected into the first groove 175 or the second groove 278.
- the first body 100 may include a first grounding part 150 .
- the first ground portion 150 may be formed to protrude downward from the lower surface of the upper plate 124 .
- the first ground portion 150 may protrude inward from the inner surface of the first side plate 122 .
- the lower end of the first grounding part 150 may be disposed within the second body 200 . Based on the optical axis direction, the lower end of the first ground portion 150 may be disposed lower than the lower end of the first edge region 170 .
- the lower end of the first grounding part 150 may be disposed lower than the lower end of the first protruding part 178, but unlike the lower end of the first grounding part 150 and the lower end of the first protruding part 178 may be arranged to form the same height.
- the first grounding unit 150 may be formed as one body with the first body 100 .
- the first grounding part 150 may be formed of a metal material.
- the first grounding unit 150 may be provided in plurality and spaced apart from each other.
- the first grounding unit 150 includes the 1-1 grounding unit 152 disposed in the corner area of the first body unit 120 within the first body 100, and the first body unit 120. It may include a first-second grounding portion 156 disposed on the side of the.
- the plurality of 1-1 ground parts 152 may be disposed in the first corner area 181 and the second corner area 182 of the first body 100, respectively.
- the first-second contact portion 156 is the first side surface.
- a plurality of them may be provided on the second side surface 186 opposite to 185 and may be spaced apart from each other.
- the inner surface of the first grounding part 150 may protrude inward from the inner surface of the first body part 120 .
- the first grounding unit 150 may pass through the guide groove 330 of the printed circuit board 300 and come into contact with the second grounding unit 250 to be described later.
- the first body 100 may include a second coupling part 160 .
- the second coupling part 160 may be formed to protrude downward from the lower surface of the upper plate 122 .
- the lower end of the second coupling part 160 may be disposed above the lower end of the first grounding part 150 .
- the second coupling portion 160 is an area to which the printed circuit board 300 is screwed, and may include a first screw hole 162 .
- the first screw hole 162 may be disposed to face the screw hole 342 of the printed circuit board 300 in the optical axis direction. Therefore, when the screw 600 passes through the screw hole 342 of the printed circuit board 300 and is screwed into the first screw hole 162, the printed circuit board 300 is coupled to the first body 100. can
- the second coupler 160 may be provided in plurality and spaced apart from each other.
- One plurality of second coupling parts 160 is disposed inside the first side surface 185, and one is disposed in the third corner area 183 and the fourth corner area 184 within the first body 100, respectively. It can be.
- the number and position of the second coupler 160 may correspond to the number and position of the first coupler 340 of the printed circuit board 300 .
- the second body 200 may include a second grounding part 250 .
- the second ground portion 250 may be formed to protrude upward from the upper surface of the bottom plate 202 .
- the second ground portion 250 may be formed to protrude inward from the inner surface of the second side plate 206 .
- An upper end of the second ground portion 250 may be disposed in a space within the second body 200 .
- the upper end of the second ground portion 250 may be disposed lower than the upper end of the second edge region 270 .
- the upper end of the second grounding part 250 may be disposed lower than the bottom surface of the second groove 278, but, unlike this, the upper end of the second grounding part 250 and the second groove 278
- the bottom surfaces may be arranged to form the same height.
- the second grounding unit 250 may be formed integrally with the second body 200 .
- the second ground portion 250 may be formed of a metal material.
- the second grounding unit 250 may be provided in plural and spaced apart from each other.
- the second grounding part 250 includes the 2-1st grounding part 252 disposed in the corner area of the second body 200 and the 2-2nd grounding part 252 disposed on the inner surface of the second side plate 206.
- a ground portion 256 may be included.
- the plurality of 2-1 ground parts 252 may be respectively disposed in the first corner area 281 and the second corner area 282 within the second body 200 .
- the 2-2 ground portion 256 is the first side surface.
- a plurality may be provided on the inner surface of the second side surface 286 facing 285 and may be spaced apart from each other.
- the 2-1 ground portion 252 may be disposed to face the 1-1 ground portion 152 in the optical axis direction. An upper surface of the 2-1 grounding unit 252 may come into contact with a lower surface of the 1-1 grounding unit 152 .
- the 2-2 ground portion 256 may be disposed to face the 1-2 ground portion 256 in the optical axis direction. An upper surface of the 2-2 grounding unit 256 may come into contact with a lower surface of the 1-2nd grounding unit 252 .
- an embossed portion 259 may be disposed.
- the embossed portion 259 may be formed in a hemispherical shape.
- the embossed portion 259 may be provided in plurality and spaced apart from each other.
- the first edge area 170 and the second edge area 270 may contact each other.
- at least one of the lower surface of the first protrusion 170 and the bottom surface of the second groove 277 or between the upper surface of the second protrusion 275 and the bottom surface of the second groove 175 may be in contact with each other. Yes, and it is okay to contact both places.
- the first edge area 170 and the second edge area 270 may be spaced apart in the optical axis direction. That is, there may be a space between the lower surface of the first protrusion 178 and the bottom surface of the second groove 278, and between the upper surface of the second protrusion 275 and the bottom surface of the second groove 175, respectively. Accordingly, the adhesive member accommodating portion 430 in which the adhesive member 400 is disposed may be formed between the first edge region 170 and the second edge region 270 .
- ground area 320 of the printed circuit board 300 is made between the first ground portion 150 and the second ground portion 250 or between the first edge area 170 and the second edge area 270. connected to form a ground area.
- the outer surface of the first body 100 and the outer surface of the second body 200 may be coated like anodizing, except for the lower surface of the first grounding part 150 and the upper surface of the second grounding part 250 . Therefore, the metal region in the first body 100 and the metal region in the second body 200 can be exposed to the outside through the lower surface of the first grounding part 150 and the upper surface of the second grounding part 250, respectively. , The first ground portion 150 and the second ground portion 250 may be electrically connected to each other by contact.
- the first body, the second body and the printed circuit board are electrically connected to form a ground area, electromagnetic waves generated in the circuit area of the printed circuit board are radiated to the outside to adjacent electronic components. Since it is possible to prevent electromagnetic waves from affecting or generated from the outside from entering the printed circuit board, the electrical characteristics of the camera module can be further improved, and noise can be prevented from being included in the electrical signal, resulting in excellent quality. burns can be obtained.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Studio Devices (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims (10)
- 렌즈를 포함하는 제1바디;상기 제1바디에 결합되는 제2바디; 및상기 제1바디 내 배치되는 인쇄회로기판을 포함하고,상기 제1바디는 하방으로 돌출되는 제1접지부를 포함하고,상기 제2바디는 상방으로 돌출되어 상기 제1접지부와 접촉하는 제2접지부를 포함하는 카메라 모듈.
- 제1항에 있어서,상기 제1바디는, 상판과, 상판으로부터 하방으로 연장되는 제1측판을 포함하고,상기 제1접지부는 상기 상판의 하면으로부터 하방으로 돌출되며,상기 제2바디는, 바닥판과, 상기 바닥판으로부터 상방으로 연장되는 제2측판을 포함하고,상기 제2접지부는 상기 바닥판의 상면으로부터 상방으로 돌출되는 카메라 모듈.
- 제 1 항에 있어서,상기 제1바디의 하면에는 제1가장자리 영역이 배치되고,상기 제2바디의 상면에는 제2가장자리 영역이 배치되며,상기 제1접지부와 상기 제2접지부의 접촉 시, 상기 제1가장자리 영역과 상기 제2가장자리 영역은 적어도 일부가 광축 방향으로 이격되는 카메라 모듈.
- 제 3 항에 있어서,상기 제1가장자리 영역과 상기 제2가장자리 영역 사이에는 접착 부재가 배치되는 카메라 모듈.
- 제 4 항에 있어서,상기 접착 부재는 에폭시(Epoxy)를 포함하는 카메라 모듈.
- 제 3 항에 있어서,상기 제1가장자리 영역은, 제1돌출부, 상기 제1돌출부의 내측에 배치되는 제1홈을 포함하고,상기 제2가장자리 영역은, 상기 제1돌출부가 결합되는 제2홈 및 상기 제1홈에 결합되는 제2돌출부를 포함하며,상기 제1돌출부의 하단은 상기 제2돌출부의 상단 보다 하측에 배치되는 카메라 모듈.
- 제 6 항에 있어서,상기 제1접지부의 하단은 상기 제1돌출부의 하단 보다 하측에 배치되고,상기 제2접지부의 상단은 상기 제2홈의 바닥면 보다 하측에 배치되는 카메라 모듈.
- 제 7 항에 있어서,상기 제1접지부는,상기 제1바디의 코너에 배치되는 제1-1접지부와, 상기 제1바디의 측면에 배치되는 제1-2접지부를 포함하고,상기 제2접지부는,상기 제2바디의 코너에 배치되며 상기 제1-1접지부와 접촉하는 제2-1접지부와, 상기 제2바디의 측면에 배치되며 상기 제1-2접지부와 접촉하는 제2-2접지부를 포함하는 카메라 모듈.
- 제 1 항에 있어서,상기 인쇄회로기판은, 회로 영역과, 상기 회로 영역의 가장자리를 따라 배치되는 접지 영역을 포함하고,상기 접지 영역은, 상기 제1접지부가 관통하는 가이드홈을 포함하는 카메라 모듈.
- 렌즈를 포함하며, 하면에 제1가장자리 영역을 포함하는 제1바디;상기 제1바디에 결합되며, 상면에 상기 제1가장자리 영역과 마주하는 제2가장자리 영역을 포함하는 제2바디; 및상기 제1바디 내 배치되는 인쇄회로기판을 포함하고,상기 제1바디는 하방으로 돌출되는 제1접지부를 포함하고,상기 제2바디는 상방으로 돌출되어 상기 제1접지부와 접촉하는 제2접지부를 포함하고,상기 제1접지부와 상기 제2접지부의 접촉 시, 상기 제1가장자리 영역과 상기 제2가장자리 영역은 적어도 일부가 광축 방향으로 이격되는 카메라 모듈.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US18/568,495 US20240284022A1 (en) | 2021-06-10 | 2022-06-09 | Camera module |
JP2023575851A JP2024520807A (ja) | 2021-06-10 | 2022-06-09 | カメラモジュール |
EP22820567.0A EP4354846A1 (en) | 2021-06-10 | 2022-06-09 | Camera module |
CN202280041226.9A CN117501705A (zh) | 2021-06-10 | 2022-06-09 | 相机模块 |
Applications Claiming Priority (2)
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KR1020210075548A KR20220166600A (ko) | 2021-06-10 | 2021-06-10 | 카메라 모듈 |
KR10-2021-0075548 | 2021-06-10 |
Publications (1)
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WO2022260440A1 true WO2022260440A1 (ko) | 2022-12-15 |
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PCT/KR2022/008102 WO2022260440A1 (ko) | 2021-06-10 | 2022-06-09 | 카메라 모듈 |
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US (1) | US20240284022A1 (ko) |
EP (1) | EP4354846A1 (ko) |
JP (1) | JP2024520807A (ko) |
KR (1) | KR20220166600A (ko) |
CN (1) | CN117501705A (ko) |
WO (1) | WO2022260440A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20120005705A (ko) * | 2010-07-09 | 2012-01-17 | 엘지이노텍 주식회사 | 전자파 차폐 기능을 구비한 카메라 모듈 |
KR20170084550A (ko) * | 2016-01-12 | 2017-07-20 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20180010422A (ko) * | 2016-07-21 | 2018-01-31 | 엘지이노텍 주식회사 | 카메라 모듈 |
JP2018098660A (ja) * | 2016-12-13 | 2018-06-21 | 日本電産コパル株式会社 | 撮像装置 |
JP2018164190A (ja) * | 2017-03-24 | 2018-10-18 | 日本電産コパル株式会社 | 撮像装置 |
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2021
- 2021-06-10 KR KR1020210075548A patent/KR20220166600A/ko active Search and Examination
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2022
- 2022-06-09 EP EP22820567.0A patent/EP4354846A1/en active Pending
- 2022-06-09 WO PCT/KR2022/008102 patent/WO2022260440A1/ko active Application Filing
- 2022-06-09 JP JP2023575851A patent/JP2024520807A/ja active Pending
- 2022-06-09 CN CN202280041226.9A patent/CN117501705A/zh active Pending
- 2022-06-09 US US18/568,495 patent/US20240284022A1/en active Pending
Patent Citations (5)
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KR20120005705A (ko) * | 2010-07-09 | 2012-01-17 | 엘지이노텍 주식회사 | 전자파 차폐 기능을 구비한 카메라 모듈 |
KR20170084550A (ko) * | 2016-01-12 | 2017-07-20 | 엘지이노텍 주식회사 | 카메라 모듈 |
KR20180010422A (ko) * | 2016-07-21 | 2018-01-31 | 엘지이노텍 주식회사 | 카메라 모듈 |
JP2018098660A (ja) * | 2016-12-13 | 2018-06-21 | 日本電産コパル株式会社 | 撮像装置 |
JP2018164190A (ja) * | 2017-03-24 | 2018-10-18 | 日本電産コパル株式会社 | 撮像装置 |
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KR20220166600A (ko) | 2022-12-19 |
JP2024520807A (ja) | 2024-05-24 |
CN117501705A (zh) | 2024-02-02 |
EP4354846A1 (en) | 2024-04-17 |
US20240284022A1 (en) | 2024-08-22 |
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