Camera module and vehicle camera

Abstract

To minimize reduction of a component mounting space in a camera module in which a plurality of substrates are laminated and arranged.SOLUTION: A camera module includes a lens barrel disposed in a front body and including a lens, a first substrate (310) disposed under the front body, a support member (400) partially disposed on a lower surface of the first substrate, and a second substrate (320) disposed under the first substrate and coupled to the support member, the support member includes a fence portion disposed between the first substrate and the second substrate, an area extending from the fence portion and having a coupling hole into which a portion of a side surface of the second substrate is inserted, and a hook portion having an extension portion inclined at a predetermined angle from the area having the coupling hole.SELECTED DRAWING: Figure 8

Description

[Technical Field]

[0001] The present invention relates to a camera module and a vehicle camera. [Background technology]

[0002] In recent years, rear cameras have been installed to ensure the driver's field of view behind the vehicle when reversing. On the other hand, in recent years, the camera module for vehicle cameras has Research is being conducted into stacked structures that have multiple substrates placed inside the stack. When fixing multiple boards through a screw, the area of ​​the board that is connected by the screw This results in an unusable area, which reduces the space for mounting components. This increases the time required for the manufacturing process. Excessive pressure can cause board warpage, which can be problematic. Summary of the Invention [Problem to be solved by the invention]

[0003] In this embodiment, a camera module having a stacked structure of multiple substrates minimizes the reduction in component mounting space. Provides rules.

[0004] Furthermore, the present embodiment simplifies the process with a hook fastening structure, minimizing the process time. We provide a camera module that can

[0005] Furthermore, this embodiment provides a camera module that prevents the warpage phenomenon of the substrate.

[0006] This embodiment provides a vehicle camera including the camera module. [Means for solving the problem]

[0007] In one embodiment, the camera module is disposed in the front body and includes a lens. a lens barrel including a first substrate disposed under the front body; a lower surface of the first substrate; a support member having a portion disposed above the first substrate; and a support member disposed below the first substrate and coupled to the support member. a second substrate; and the support member is disposed between the first substrate and the second substrate. a fence portion extending from the fence portion and into which a part of the side surface of the second substrate is inserted; The area where the hole is formed and the area where the coupling hole is formed are inclined at a predetermined angle. The hook portion has an extension.

[0008] The hook portion extends from a lower end of the fence portion, and the coupling hole is connected to the second substrate. The protrusions can be coupled to the outer circumferential surface of the

[0009] The first substrate and the second substrate each include first to fourth side surfaces, and the first side of the first substrate The surface and the first side surface of the second substrate are connected by an FPCB, and the hook portion is a first hook coupled to a second side of the second substrate; and a second hook coupled to a third side of the second substrate. and three hooks coupled to a fourth side of the second substrate.

[0010] The upper end of the fence portion may be coupled to the lower surface of the first substrate by an adhesive material. can.

[0011] The plurality of substrates further includes a third substrate disposed below the second substrate at a distance, The support member includes a support member coupled to the first substrate and the second substrate, and a support member coupled to the second substrate and the and a second support member coupled to the third substrate, The inner space formed by the lower surface of the first substrate and the upper surface of the second substrate is an inner cavity formed by the fence portion of the material, the lower surface of the second substrate, and the upper surface of the third substrate; It's better to have a larger space.

[0012] The hook portion includes a first hook coupled to one surface of the substrate and a second hook disposed opposite the one surface. and a second hook coupled to the other surface of the substrate, the first and second hooks being The inner peripheral surface of the holder member can be brought into contact with the inner peripheral surface of the holder member at this portion.

[0013] The protrusions protrude outward from the outer peripheral surface of the substrate, and the outer peripheral surface of the substrate is provided with a First and second protrusions are formed on both sides of the protrusion, spaced apart from the protrusion and protruding outward from the protrusion. That's fine.

[0014] A first seal member is disposed between the lens module and the front body. A second seal member is disposed between the front body and the rear body. A third seal member is disposed between the rear body and the cable, and the extension end may be positioned outside the side surface of the second substrate.

[0015] The cross-sectional area of ​​the upper surface of the first substrate is larger than the cross-sectional area of ​​the upper surface of the second substrate. The support member may not have an area that protrudes above the top surface of the first substrate.

[0016] In another embodiment, the vehicle camera includes a lens module including at least one lens. a front body that houses the lens module; and a front body that is located below the front body. a first substrate to be placed; and a support member having one end soldered to the lower surface of the first substrate. a second substrate disposed below the first substrate and coupled to the support member; and a rear body coupled to the body and accommodating at least a portion of the support member; The support member includes a fence portion disposed between the first substrate and the second substrate, and a support member for supporting the fence. a coupling hole formed extending from the base portion and into which the outer periphery of the second substrate is inserted; At least a part of the hook portion is located outside the fence portion or the hook portion. The extension portion may extend obliquely from the remaining portion excluding at least a part of the hook portion. stomach. [Effects of the Invention]

[0017] The camera module and vehicle camera according to the present invention are also applicable to a stacked structure of multiple substrates. This minimizes the reduction in component mounting space, especially compared to screw-type connection structures. The component mounting space can be improved by 30%.

[0018] Furthermore, the hook fastening structure simplifies the process and minimizes the process time, improving workability and and productivity can be improved.

[0019] Furthermore, warping of the substrates, which may occur during the bonding process between the substrates, can be prevented.

[0020] Furthermore, it is possible to prevent the substrate from shaking when the camera module vibrates. [Brief explanation of the drawings]

[0021] [Figure 1] FIG. 1 is a perspective view of a camera module according to an embodiment of the present invention. [Figure 2] FIG. 2 is an exploded perspective view of the camera module according to the embodiment. [Figure 3] FIG. 2 is an exploded perspective view of a partial configuration of the camera module according to the embodiment. [Figure 4] FIG. 2 is a cross-sectional view of a partial configuration of the camera module according to the embodiment. [Figure 5] FIG. 2 is a bottom perspective view of a partial configuration of the camera module according to the embodiment. [Figure 6] FIG. 2 is an exploded view illustrating a substrate and a support member of the camera module according to the embodiment. [Figure 7] 4 is a diagram illustrating a sealing member of the camera module according to the embodiment. [Figure 8] 10 is a bottom perspective view illustrating a coupling structure of a substrate and a support member of a camera module according to another embodiment of the present invention; FIG. [Figure 9] 9 is a side view of the combined structure of the substrate and the support member in FIG. 8. FIG. [Figure 10] 10 is a cross-sectional view illustrating a structure in which the substrate and support member of FIG. 9 are arranged inside a holder member. [Figure 11] 9 is a bottom view illustrating the combined structure of the substrates and the support member of FIG. 8, with the third substrate omitted. [Figure 12] FIG. 9 is a bottom perspective view illustrating the support member of FIG. 8. [Figure 13] 10A and 10B are conceptual diagrams illustrating a method for coupling a substrate and a support member of a camera module according to another embodiment of the present invention; [Figure 14] 10A and 10B are conceptual diagrams illustrating a method for coupling a substrate and a support member of a camera module according to still another embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0022] The invention described below can be applied to various transformations and has various embodiments. Specific embodiments are illustrated in the drawings and are described in detail in the detailed description.

[0023] However, this is not intended to limit the invention to any particular embodiment, and It is understood that the present invention includes all modifications, equivalents, or alternatives that fall within the spirit and scope of the present invention. In explaining the present invention, a specific description of the related publicly disclosed technology is required. If it is determined that the detailed description will obscure the gist of the present invention, the detailed description will be omitted.

[0024] The terms used in this application are merely used to describe particular embodiments and are not intended to limit the present invention. It is not intended that the singular be used unless the context clearly indicates otherwise. In this application, terms such as "including" or "having" are used to refer to the There are certain features, numbers, steps, operations, components, parts or combinations thereof It is intended to specify that one or more other features, numbers, steps, Predicting the existence or possibility of addition of any action, component, part, or combination thereof. It should be understood that this does not preclude

[0025] Furthermore, terms such as "first" and "second" are used to distinguish and describe various components. However, the components should not be limited by the terms. It is used only to distinguish the element from other components.

[0026] The configuration of the camera module according to this embodiment will be described below with reference to the drawings. The configurations of the camera modules according to other and further embodiments of the present invention are also shown in this embodiment. The differences from the configuration of the camera module according to the embodiment will be mainly described.

[0027] FIG. 1 is a perspective view of a camera module according to this embodiment, and FIG. FIG. 3 is an exploded perspective view of a camera module according to the present embodiment. FIG. 4 is a cross-sectional view of a part of the configuration of the camera module according to this embodiment. FIG. 5 is a bottom perspective view of a part of the configuration of the camera module according to this embodiment, and FIG. FIG. 7 is an exploded view illustrating the substrate and the support member of the camera module according to the present embodiment. 10 is a diagram illustrating a sealing member of the camera module according to the embodiment;

[0028] FIG. 8 is a coupling structure of a substrate and a support member of a camera module according to another embodiment of the present invention. 9 is a bottom perspective view illustrating the substrate and support member coupling structure of FIG. 8 as viewed from the side. 10 is a side view showing a structure in which the substrate and support member of FIG. 9 are arranged inside a holder member. 11 is a cross-sectional view showing the structure of the substrate and the support member of FIG. 8, in which the third substrate is omitted. 12 is a bottom perspective view illustrating the support member of FIG. 8, and FIG. 13 is a bottom perspective view illustrating the support member of FIG. 2. To explain a method for coupling a substrate and a support member of a camera module according to another embodiment of the present invention, Illustrated conceptual diagram.

[0029] FIG. 14 shows a substrate and a support member of a camera module according to still another embodiment of the present invention. FIG. 1 is a conceptual diagram illustrating a bonding method.

[0030] The camera module according to this embodiment includes a lens module 100 and a holder member 200. , the substrate unit 300, the support member 400, the seal member 500, the cable 600 and the coupling portion However, the camera module according to this embodiment may include a lens module 700. 100, holder member 200, substrate unit 300, support member 400, seal member 500 , any one or more of the cable 600 and the coupling member 700 is omitted or modified. In particular, in the camera module according to this embodiment, the sealing member 500 and the cable 600 And the coupling member 700 may be omitted.

[0031] The lens module 100 may include at least one lens. The lens module 100 may include multiple lenses. The lens module 100 may include a lens barrel to which the lens is coupled. 00. Between the lens module 100 and the holder member 200, The lens module 100 may be provided with a first seal member 510. 00's front body 210 through-hole 211. The light passing through the lens 100 can be incident on the image sensor 301. The lens module 100 can be bonded to the holder member 200 by adhesive. In this case, the adhesive may be an epoxy. The epoxy is cured by ultraviolet (UV) light and heat. As an example, the lens module 100 can be attached to the holder member 200. The optical axis alignment for the image sensor 301 is adjusted with epoxy applied to the Once the optical axis alignment is complete, the epoxy is temporarily hardened by UV light. The curing can be carried out by heating in an oven.

[0032] The holder member 200 can be coupled to the lens module 100. The holder member 200 can accommodate multiple substrates 310, 320 inside. The holder member 200 can accommodate the substrate unit 300 inside. In this case, the inner space of the holder member 200 contains the lens module 1. The holder member 200 may be provided with a lens module and a substrate unit 300. The holder member 2 can form the exterior of the camera module together with the module 100. 00 can have a substantially hexahedral shape. However, the shape of the holder member 200 is not limited to this. Not restricted.

[0033] The holder member 200 may include a front body 210 and a rear body 220. However, the holder member 200 is provided between the front body 210 and the rear body 220. In other words, the holder member 200 may have one or more of the following components: The front body 210 and the rear body 220 may be joined together to form a An inner space may be formed between the front body 210 and the rear body 220. A second seal member 520 may be disposed between the front body 210 and the rear body 2 20 can be connected by a connecting member 700.

[0034] The front body 210 can be coupled to the rear body 220. The lower end of the dee 210 can be coupled to the upper end of the rear body 220. The front body 210 may be made of a metal material. , "EMI (Electro Magnetic Interference) Shielding The EMI shielding can is used to shield the EMI generated from the outside of the holder member 200. It can also block electronic interference noise from entering the inside. The purpose of this is to block electronic interference noise generated inside the holder member 200 from leaking to the outside. It is possible.

[0035] The front body 210 may include a through hole 211. The lens module 100 can be coupled to the through-hole 211 of the front box. The lens module 100 can be inserted into the through-hole 211 of the D 210. The through-hole 211 may have a circular shape when viewed from above. The shape is not limited to this.

[0036] The rear body 220 can be coupled to the front body 210. The cable 600 electrically connected to the plurality of boards 310 and 320 passes through the board 220. The rear body 220 may include a through hole through which the cable 600 passes. A third seal member 530 is disposed between the rear body 220 and the cable 600. The rear body 220 may be made of a metal material. -220 is "EMI (Electro Magnetic Interference) The EMI shielding can may be referred to as an "EMI shielding can." It can block electronic interference noise generated from the inside. The cold can prevents electronic interference generated inside the holder member 200 from leaking to the outside. It is possible to block out

[0037] The substrate unit 300 may include a plurality of substrates 310, 320. , 320 can be accommodated inside the holder member 200. 320 can be supported by a support member 400 so as to be spaced apart from each other. The substrates 310 and 320 are stacked apart from each other so as to overlap in the optical axis direction. It is possible.

[0038] The board unit 300 includes a first board 310, a second board 320, and an FPCB 340. However, in the board unit 300, the first board 310, the second board 320 and the FPCB 34 Any one or more of the 0's may be omitted or changed.

[0039] The first substrate 310 is a printed circuit board (PCB). The first substrate 310 can be combined with the image sensor 301. An image sensor 301 may be disposed on the top surface of the first substrate 310. The first substrate 310 may have a fenestration on the lower surface thereof. The first substrate 310 may be electrically connected to the second substrate 320. The first substrate 310 may be in the shape of a square plate. The area of ​​the top surface of the first substrate 310 may be larger than the area of ​​the top surface of the second substrate 320.

[0040] The first substrate 310 may include four sides. (310a, 310b, 310c, 310d). The surface 310a can be connected to the FPCB 340. Curved surfaces may be disposed between the four side surfaces (310a, 310b, 310c, 310d). That is, the first to fourth side surfaces (310a, 310b, 310c, 310d) of the first substrate 310 ) can be connected by surfaces.

[0041] The second substrate 320 is a printed circuit board (PCB). The second substrate 320 may be disposed below the first substrate 310 at a distance. A support surface 411 of the fence unit 410 may be disposed on the upper surface of the second substrate 320. The second substrate 320 may have a hook portion 420 attached to the outer periphery thereof. The first substrate 310 may be electrically connected to the second substrate 320. The second substrate 320 may be a rectangular plate. The area of ​​the upper surface of the second substrate 320 may be the same as that of the lower surface of the first substrate 310. The second substrate 320 may be smaller than the first substrate 310.

[0042] The second substrate 320 may include four sides. The second substrate 320 may include first to fourth sides ( The first side 3 of the second substrate 320 may include a plurality of layers 320a, 320b, 320c, and 320d. The second substrate 320 may be connected to the FPCB 340. The hook portion 420 of the support member 400 is connected to the surfaces (320b, 320c, 320d). The first to fourth side surfaces (320a, 320b, 320c, 320d) of the second substrate 320 can be 0d) may have curved surfaces. 320a, 320b, 320c, 320d) can be connected by curved surfaces.

[0043] The second substrate 320 may include a protrusion 321, a first protrusion 322, and a second protrusion 323. However, among the protrusion 321, the first protrusion 322, and the second protrusion 323 on the second substrate 320, Any one or more of these may be omitted or modified.

[0044] The protrusion 321 can be coupled to the coupling hole 430 of the support member 400. 1 can be hooked to the hook portion 420 of the support member 400. The protrusion 321 is The support member 400 can be connected to a connecting hole 430 formed in the hook portion 420 of the support member 400. The protrusion 321 is inserted into a coupling hole 430 formed in the hook portion 420 of the support member 400. The protrusion 321 may protrude outward from the outer circumferential surface of the second substrate 320. The protrusion 321 may have a shape corresponding to the coupling hole 430. The width of the protrusion 321 is equal to the width of the first protrusion 322. The width of the protrusion 321 may be wider than the width of the second protrusion 323. 21 are formed on the second to fourth side surfaces (320b, 320c, 320d) of the second substrate 320. This may also be done.

[0045] The first and second protrusions 322 and 323 are disposed on both sides of the protrusion 321 on the outer circumferential surface of the second substrate 320. The first and second protrusions 322 and 323 may be formed apart from the protrusion 321. The first and second protrusions can protrude outward from the outer peripheral surface of the plate 320 beyond the protrusions 321. The width of each of 322 and 323 may be narrower than the width of protrusion 321 .

[0046] The second substrate 320 may further include a coupling portion 324 and a connector 325 .

[0047] The coupling portion 324 may be disposed on the lower surface of the second substrate 320. The coupling portion 324 may include a cable. The coupling portion 610 disposed on the module 600 can be coupled. 0 can be electrically connected to the cable 600. An electric current can be supplied to the substrate 320. The coupling portion 324 has a cylindrical shape with a hollow. As an example, the hollow of the coupling portion 324 may include the coupling portion 61 formed on the cable 600. 0 coupling pins can be accommodated.

[0048] The connector 325 may be disposed on the lower surface of the second substrate 320. The connector 620 disposed on the cable 600 can be connected. The second substrate 320 can be electrically connected to the cable 600. The second board 320 transmits and receives information (data, control commands, etc.) to and from the external components through 25. It is possible.

[0049] In this embodiment, the outer peripheral surface of the second substrate 320 is provided with a protrusion 321, a first protrusion 322, and Although the second protrusion 323 is described as being formed, it is not necessarily formed as a recess from the outer periphery of the second substrate 320. There is a recess (corresponding to the portion between the protrusion 321 and the first and second protrusions 322, 323) The recessed portion is formed between the protrusion 321 and the first protrusion 322. The recess may be formed between the protrusion 321 and the second protrusion 323. A part of the hook portion 420 of the support member 400 may be received in the recess. The protrusion 321 can also be explained as being recessed on the inside compared to the first and second protrusions 322 and 323. .

[0050] The FPCB 340 can electrically connect a plurality of substrates 310 and 320. At this time, the plurality of substrates 310, 320 are rigid printed circuit boards (RPCBs). ted Circuit Board), and FPCB340 is a flexible printed circuit board ( Flexible Printed Circuit Board (FPC) The plurality of substrates 310, 320 and the FPCB 340 are RFPCBs (Rigid Flex PCBs). The FPCB 340 may be formed of a first substrate 310 and a second substrate 311. The FPCB 340 can be electrically connected to the first surface of the first substrate 310. 310a and the first surface 320a of the second substrate 320. The FPCB 340 may be flexible, at least in part. The FPCB 340 can be bent at least once. The FPCB 340 can be bent so that at least a portion of it forms a curved surface. For example, the FPCB340 can be folded to form a round shape. Alternatively, the FPCB 340 can be bent into an angular shape.

[0051] The support member 400 can be coupled to multiple substrates 310, 320. The support member 400 can be connected to the substrate unit 300. The support member 400 is made of metal. In this case, the support member 400 can perform an EMI shielding function. The support member 400 may be at least partially elastic. The support member 400 can be referred to as an "elastic member." The support member 400 includes a hook fastening structure. The support member 400 may also be used in a substrate stack structure of three or more layers with a hook fastening structure. The support member 400 can be easily used even in a structure requiring a large number of substrates.

[0052] The support member 400 includes a fence portion 410, a hook portion 420, a coupling hole 430, and a guide. However, the support member 400 may include the fence portion 410, the hook portion 420, At least one of the coupling hole 430 and the guide portion 440 is omitted or modified. Good too.

[0053] The fence section 410 may be disposed between the substrates 310, 320. The fence portion 410 can be coupled to the first substrate 310. Surface Mounting Technology (SMT) The upper end of the fence portion 410 is connected to the lower surface of the first substrate 310. The upper end of the fence portion 410 is soldered to the lower surface of the first substrate 310 ( The fence portion 410 can be joined by a hook at the bottom end. The fence section 410 may include four side plates. The inner space formed by the fence portion 410 may have a rectangular parallelepiped shape. The fence portion 410 may be formed in a shape corresponding to the plurality of substrates 310, 320. The bottom surface of the substrate 310 can be connected to the portion adjacent to the outer periphery. As a result, the phenomenon of the component mounting space on the first substrate 310 being reduced can be minimized.

[0054] The fence portion 410 may include a support surface 411. The support surface 411 supports the second substrate 320. The support surface 411 can be brought into surface contact with the upper surface of the second substrate 320. The support surface 411 is formed by bending the side plate of the fence portion 410 at a right angle. The support surface 411 may be formed by bending the side plate of the fence portion 410 inward. The support surface 411 may be formed only on a part of the side plate of the fence portion 410.

[0055] The hook portion 420 can extend from the fence portion 410. The hook portion 420 can The hook portion can extend from the bottom end of the fence portion 410. The area where the coupling hole is formed and where the side of the board is inserted. The fence section may include an extension inclined at a predetermined angle from the area. The end of the extension can be bonded to the bottom surface of the first substrate by a material. The support member may be located outside an area protruding above the top surface of the first substrate. At least a part of the hook portion 420 may not have the fence portion 410. The hook portion 420 may extend so as to be inclined outward as it extends toward the distal end thereof. The more it extends from the fence portion 410 to the distal end side of the hook portion 420, the more it inclines outward. The portion that is in contact with the hook portion 420 can be referred to as a guide portion 440. The hook portion 420 may have elasticity. The hook portion 420 is elastically coupled to the protrusion 321 of the second substrate 320. The protrusion 321 of the second substrate 320 is connected to the end of the hook portion 420. The second substrate 32 can be coupled to the fence portion 410 side in a sliding manner. When the sliding of the protrusion 321 of 0 is completed, the protrusion 321 is inserted into the coupling hole 430. At this time, the end of the hook portion 420 is pressed from the outside, so that a firm connection can be maintained. Then, the protrusion 321 of the second substrate 320 is inserted into the coupling hole 43 formed in the hook portion 420. In the above-mentioned process, the guide part 440 can be released from the protrusion 321. The movement of the protrusion 321 is guided so that the protrusion 321 can be coupled to the lock portion 420 in a sliding manner. The hook portion 420 is designed to have an overlap structure with the holder member 200. This can prevent the plurality of substrates 310 and 320 from shaking when vibrated.

[0056] The hook portion 420 may include a plurality of hooks spaced apart from one another. It may include first to third hooks 421, 422, and 423 spaced apart from each other. In the hook portion 420, any one or more of the first to third hooks 421, 422, and 423 is omitted. may be omitted or modified.

[0057] The first hook 421 may be coupled to the second side surface 320b of the second substrate 320. The first hook 421 can be coupled to one surface of the second substrate 320. 421. At this time, the first hook 421 can contact the inner circumferential surface of the holder member 200. The third hook 423 arranged on the side of the holder member 200 can also come into contact with the inner circumferential surface of the holder member 200. Through this structure, the first hook 421 can be tied inside the holder member 200. The first hook 421 can be fixed tightly to the second and third hooks. 422 and 423 may be formed in a shape corresponding to the shape of the other portions.

[0058] The second hook 422 can be coupled to the third side surface 320c of the second substrate 320. The two hooks 422 can come into contact with the inner circumferential surface of the holder member 200 .

[0059] The third hook 423 can be coupled to the fourth side surface 320d of the second substrate 320. The third hook 423 is disposed on the opposite side of one surface of the second substrate 320 (the surface to which the first hook 421 is joined). The third hook 423 can be attached to the other surface of the holder member 200. can be contacted.

[0060] The FPCB 340 is attached to one of the four sides of the second substrate 320, and the remaining The hook portions 420 can be connected to the three sides of the second substrate 320. The hook portions 420 can be coupled to only three of the four sides.

[0061] The coupling hole 430 may be formed to penetrate the hook portion 420. 0 can be coupled to a protrusion 321 formed on the outer circumferential surface of the second substrate 320. The protrusion 321 can be inserted into the coupling hole 430. Alternatively, the coupling hole 430 may be formed as a groove. That is, the coupling hole 430 accommodates the protrusion 321 but does not penetrate the hook portion 420. It may be formed as follows.

[0062] The guide portion 440 may be formed on at least a part of the hook portion 420. 40 is inclined outward as it extends from the fence portion 410 to the distal end side of the hook portion 420. The guide portion 440 may be formed to extend in the direction of the arrow A. During this process, the guide portion 440 can guide the movement of the second substrate 320. 20 from the end side toward the fence portion 410 may be formed to be inclined inward. In this case, when the second substrate 320 is pressed toward the fence portion 410 at the end of the hook portion 420, The protrusion 321 of the second substrate 320 is guided by the guide portion 440 and moves to the coupling hole 430. Furthermore, the guide portion 440 can grasp the second substrate 320 from the support member 400. It can function as a gripping portion that is gripped by the user during the process of inserting the device.

[0063] The sealing member 500 prevents foreign matter such as moisture from entering the inside of the camera module from the outside. The seal member 500 may be disposed between the separated components. The seal member 500 can form a watertight seal between the separate components. The seal member 500 can form an airtight seal between the separate components. In this case, the sealing member 500 may be " The elastic member may be referred to as an "elastic member."

[0064] The seal member 500 includes a first seal member 510, a second seal member 520, and a third seal member. However, the seal member 500 may include the first seal member 510 and the second seal member 530. The third seal member 520 and the third seal member 530 are omitted or modified. Good too.

[0065] The first seal member 510 is disposed between the lens module 100 and the front body 210. The first sealing member 510 may be disposed between the lens module 100 and the front body. The first seal member 510 may be disposed between the lens module 210 and the coupling surface of the lens module 210. The first seal may be disposed between the lower surface of the seal 100 and the upper surface of the front body 210. The member 510 may be an O-ring. It may also include a groove in which the seal member 510 is received.

[0066] The second seal member 520 is disposed between the front body 210 and the rear body 220. The second seal member 520 may be formed between the front body 210 and the rear body 220. The second seal member 520 may be disposed between the front body 210 and the joining surface of the front body 210. The second seal member 52 may be disposed between the lower end surface of the rear body 220 and the upper end surface of the rear body 220. The second seal 200 may be a gasket. The rear body 220 may include a groove in which a portion of the member 520 is received. The rear body 220 may include a groove in which a part of the member 520 is accommodated. It may be provided in numbers.

[0067] The third seal member 530 may be disposed between the rear body 220 and the cable 600. The third seal member 530 is disposed in the space between the rear body 220 and the cable 600. The third seal member 530 may be a cable seal. The cross section of the third seal member 530 may be dumbbell-shaped.

[0068] The cable 600 can be electrically connected to a plurality of boards 310 and 320. The cable 600 may be electrically connected to the board unit 300. The cable 600 can pass through the rear body 220. A third seal member 530 may be disposed between the cable 600 and the camera module. Power can be supplied to the inside of the camera module from an external power supply unit.

[0069] A plurality of cables 600 may be provided. A coupling portion 610 can be coupled to the other end of the plurality of cables 600. The connector 620 can be connected to the connector 610. The connector 620 can be connected to a connecting portion 324 disposed on the second substrate 32. 0. The connector 325 can be connected to the underside of the optical fiber 320.

[0070] The cable 600 is fixed to the holder member 200 by a cable fixing portion 630. The cable fixing portion 630 has a shape corresponding to at least a part of the cable 600. The cable 600 may be provided between the cable fixing portion 630 and the holder member 200. The cable fixing portion 630 may be attached to the holder member 200 by a connecting member 631. In this case, the connecting member 631 may be a screw.

[0071] The connecting member 700 can connect the rear body 220 and the front body 210. The connecting member 700 can be a screw. The connector body 210 can be connected by screws. The connecting member 700 may be rotated on the rear body 220. The connecting member 700 may be formed with a groove to facilitate the connecting process. 0 can be connected to the front body 210 through a hole formed in the front body 210.

[0072] In another embodiment of the present invention, the substrate unit 300 includes a first substrate 310, a second substrate 320, and a third substrate 330. However, the substrate unit of other embodiments of the present invention may include a substrate 330 and an FPCB 340. In unit 300, first substrate 310, second substrate 320, third substrate 330 and FPCB 340 Any one or more of these may be omitted or modified. In this case, the number of substrates 310, 320, and 330 may be increased compared to this embodiment. Therefore, the number of support members 400 may also increase.

[0073] The third substrate 330 is a printed circuit board (PCB). The third substrate 330 may be disposed below the second substrate 320 at a distance. The support surface 411 of the fence portion 410 of the support member 400 is disposed on the upper surface of the third substrate 330. A hook portion 420 may be coupled to the outer periphery of the third substrate 330. The plate 330 may be electrically connected to the first and second substrates 310 and 320. The substrate 330 may have a rectangular plate shape. The area of ​​the third substrate 330 may be smaller than the area of ​​the bottom surface of the second substrate 320. It can be smaller than 320.

[0074] The FPCB 340 can electrically connect the second substrate 320 and the third substrate 330. At this time, the FPCB 340 does not connect the first board 310 and the second board 320. In other words, a plurality of FPCBs 340 may be provided. The first FPCB connects the first substrate 310 and the second substrate 320, and the second FPCB connects the second substrate 320. The first FPCB may be connected to a plurality of substrates 310. , 320, 330 may be disposed opposite the second FPCB.

[0075] In yet another embodiment of the present invention, the substrate unit 300 includes a first substrate 310, a second substrate 310, and a The substrate 320, the third substrate 330, and the connector 350 may be included. In the substrate unit 300 of another embodiment, a first substrate 310, a second substrate 320, a third substrate 320, a Any one or more of the substrate 330 and the connector 350 may be omitted or modified. That is, in still another embodiment of the present invention, the FPCB 340 is Alternatively, connector 350 may be provided.

[0076] The connector 350 can electrically connect the first substrate 310 and the second substrate 320. A pair of connectors 350 are provided, and are connected to the bottom surface of the first board 310 and the bottom surface of the second board 320, respectively. The connector 350 may be arranged on the top surface of the second substrate 320 and the third substrate 330. The connectors 350 are provided in pairs and are electrically connected to the second board 32. The pair of connectors 350 may be arranged on the bottom surface of the third substrate 330 and the top surface of the third substrate 330. The two boards can be electrically connected through the connection. It can be a B2B connector.

[0077] In other and further embodiments of the present invention, the support member 400 is a first support However, in other embodiments of the present invention and in addition In the support member 400 of another embodiment, the first support member 401 and the second support member 402 Any one or more of these may be omitted or modified.

[0078] The first support member 401 may be coupled to the first substrate 310 and the second substrate 320 . The second support member 402 may be coupled to the second substrate 320 and the third substrate 330. The support member 401 is connected to the bottom surface of the first substrate 310 and hooked to the side surface of the second substrate 320. The second support member 402 is connected to the lower surface of the second substrate 320. The first support member 401 can be hooked to the side of the substrate 330. The size of the first support member 401 may be the same as that of the second support member 402. The first support member 401 and the second support member 402 may be larger than the first support member 401 and the second support member 402. The fence portion 410, the hook portion 420, the coupling hole 430 and the guide portion 440 may be included. good.

[0079] The fence portion 410 of the first support member 401, the lower surface of the first substrate 310, and the lower surface of the second substrate 320 The inner space formed by the upper surface is filled with the fence portion 410 of the second support member 402, the second substrate, and the like. The inner space formed by the lower surface of the third substrate 320 and the upper surface of the third substrate 330 may be larger.

[0080] Hereinafter, the combination of the camera module according to another embodiment and still another embodiment of the present invention will be described. The method will be explained with reference to the drawings.

[0081] FIG. 13 is a diagram illustrating a method for coupling a substrate and a support member of a camera module according to another embodiment of the present invention. FIG. 14 is a conceptual diagram illustrating a method for detecting a color change according to still another embodiment of the present invention. 10A and 10B are conceptual diagrams illustrating a method for joining a substrate and a support member of a laser module.

[0082] Another embodiment of the present invention, illustrated in FIG. 13, includes three substrates 310, 320, 330 and two The three substrates 310, 320, and 330 are F They are connected by PCB340.

[0083] First substrate 310, FPCB 340, second substrate 320, FPCB 340 and third substrate 33 13. At this time, the lower surface of the first substrate 310 (shown as the upper surface in FIG. 13) However, when the substrate unit 300 is housed in the holder member 200, this corresponds to the bottom surface. The first support member 401 is connected to the second substrate 320 by surface mount technology (SMT). The second support member 402 is connected to the first substrate 310 by surface mount technology (SMT). The fence portion 410 of the first support member 401 is connected to the first substrate 31. 0. Also, the fence portion 41 of the second support member 402 is attached to the second substrate 320. 0 is coupled, the hook portion 420 is spaced apart from the second substrate 320.

[0084] Thereafter, the FPCB 340 between the first substrate 310 and the second substrate 320 is folded to remove the second substrate 320. 320 is connected to the hook portion 420 of the first support member 401. The first guide portion 440 is configured to hold the second substrate 320 by the hook portion 420 of the first support member 401. More specifically, the guide portion 440 of the first support member 401 When the second substrate 320 comes into contact with the hook portion 420 and presses it, the hook portion 420 is pushed outward. When the second substrate 320 is further pressed, the protrusions of the second substrate 320 are formed. The protrusion 321 is inserted into the coupling hole 430 of the hook portion 420 to complete the coupling. The hook portion 420 elastically returns to its original position and engages the protrusion 321 of the second substrate 320 with the inside of the coupling hole 430. Since the second substrate 320 and the first support member 401 are held in a manner that accommodates the second substrate 320, the connection between the second substrate 320 and the first support member 401 is strong. can be maintained at

[0085] In addition, the FPCB 340 between the second substrate 320 and the third substrate 330 is folded to form the third substrate 330. 330 is connected to the hook portion 420 of the second support member 402. The second guide portion 440 is configured to hold the third substrate 330 in place by the hook portion 420 of the second support member 402. More specifically, the guide portion 440 of the second support member 402 is When the third substrate 330 comes into contact with the hook portion 420 and presses the hook portion 420, the hook portion 420 is pushed outward. When the third substrate 330 is further pressed, the protrusion of the third substrate 330 321 is inserted into the coupling hole 430 of the hook part 420 to complete the coupling. The locking portion 420 elastically returns to its original position to insert the protrusion 321 of the third substrate 330 into the coupling hole 430. Since the third substrate 330 and the second support member 402 are held in a receiving manner, the connection between the third substrate 330 and the second support member 402 is firm. can be maintained.

[0086] On the other hand, the user, while holding the board unit 300, The third substrate 330 can be easily removed from the second support member 402 by pressing the portion 440 outward. In addition, the guide portion 440 of the first support member 401 is pressed outward to secure the second substrate 320 The substrates 320 and 330 and the support member 401 can be easily removed from the first support member 401. The coupling between the connector 400 can be released by simply removing the protrusion 321 from the coupling hole 430. can be done.

[0087] Yet another embodiment of the present invention, illustrated in FIG. 14, includes three substrates 310, 320, 33 0 and two support members 401 and 402. At this time, three substrates 310, 320, and 330 A connector 350 is disposed on the

[0088] A camera module coupling method according to still another embodiment of the present invention is However, this corresponds to the camera module coupling method according to the embodiment. In the camera module according to the present invention, before the first to third substrates 310, 320, and 330 are combined, This differs from other embodiments of the present invention in that the components are completely separate and not constrained to one another. For reference, in another embodiment of the present invention, the first to third substrates 310, 320, and 330 are: It is connected to FPCB340.

[0089] In yet another embodiment of the present invention, the second substrate 320 may be a first substrate 310 bonded to the first substrate 310. During the process of coupling to the support member 401, the connector 350 disposed on the second substrate 320 and the first substrate The connectors 350 disposed on the boards 310 are also connected together. The second support member 402 is connected to the plate 320, and the third substrate 330 is connected to the second support member 402. The connector 350 and the connector 350 disposed on the second substrate 320 are also coupled together. As a result, the first to third substrates 310, 320, and 330 are supported by the first and second support members 401 and 402. 02 and are fixed to be spaced apart from each other, while being electrically connected through a connector 350. It is tied.

[0090] However, the embodiments disclosed in the drawings are merely specific examples to facilitate understanding. The present invention is not limited to the specific embodiments disclosed herein. It is well known in the art to which the present invention pertains that other modifications based on the technical concept are possible. It is self-evident to anyone with ordinary knowledge.

Claims

1. a lens barrel disposed within the front body and containing a lens; a first substrate disposed under the front body; a support member having a portion disposed on the lower surface of the first substrate; and a second substrate disposed below the first substrate and coupled to the support member; The support member is a fence portion disposed between the first substrate and the second substrate; and a fence portion extending from the fence portion. The area where the coupling hole into which a part of the side surface of the second substrate is inserted is formed. The hook portion has an inclined extension at a predetermined angle from the area where the hook is formed. The camera module is a distinctive feature.

2. The hook portion extends from a lower end of the fence portion, The coupling hole is coupled to a protrusion formed on an outer periphery of the second substrate. The camera module according to claim 1 .

3. the first substrate and the second substrate each include first to fourth sides, a first side surface of the first substrate and a first side surface of the second substrate are connected by an FPCB; The hook portion includes a first hook coupled to a second side of the second substrate and a second hook coupled to a second side of the second substrate. a second hook coupled to a third side surface of the second substrate; and a third hook coupled to a fourth side surface of the second substrate.

10. The camera module of claim 1, comprising:

4. an upper end of the fence portion is coupled to a lower surface of the first substrate by an adhesive material; The camera module according to claim 1 .

5. The plurality of substrates further includes a third substrate spaced apart below the second substrate, The support member includes a first support member coupled to the first substrate and the second substrate; a second support member coupled to the second substrate and the third substrate; The fence portion of the first support member, the lower surface of the first substrate, and the upper surface of the second substrate The formed inner space is formed by the fence portion of the second support member, the lower surface of the second substrate, and the 3. The method according to claim 1, wherein the inner space formed by the upper surfaces of the three substrates is larger than the inner space formed by the upper surfaces of the three substrates. Camera module.

6. The hook portion includes a first hook coupled to one surface of the substrate and a second hook disposed opposite the one surface. a second hook coupled to the other surface of the substrate on which the substrate is placed; The first and second hooks are in contact with an inner peripheral surface of the holder member at a portion thereof. The camera module according to claim 1 .

7. The protrusion protrudes outward from the outer circumferential surface of the substrate, The outer peripheral surface of the substrate has two protruding portions on both sides of the protrusion, spaced apart from the protrusion and protruding outward from the protrusion.

3. The camera module according to claim 2, wherein first and second protrusions corresponding to each other are formed. Rule.

8. A first seal member is disposed between the lens module and the front body. 、 a second seal member is disposed between the front body and the rear body; a third seal member is disposed between the rear body and the cable; The terminal end of the extension is located outside the side surface of the second substrate. Item 2. The camera module according to item 1.

9. The cross-sectional area of ​​the upper surface of the first substrate is larger than the cross-sectional area of ​​the upper surface of the second substrate. The support member has no area protruding above the top surface of the first substrate. The camera module according to claim 1 .

10. a lens module including at least one lens; a front body that houses the lens module; a first substrate disposed under the front body; a support member disposed with one end soldered to the lower surface of the first substrate; a second substrate disposed below the first substrate and coupled to the support member; and a rear body coupled to the front body and housing at least a portion of the support member; -; including, The support member includes a fence portion disposed between the first substrate and the second substrate; The fence portion has a coupling hole formed therein and into which the outer periphery of the second substrate is inserted. a hook portion for At least a part of the hook portion is located outside the fence portion or at least the hook portion. and further including an extension portion extending obliquely from the remaining portion excluding a part thereof. Vehicle camera.

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