Camera module

Abstract

A camera module includes a first body, a lens holder coupled to the first body, and a second body coupled to the first body, wherein the lens holder includes a first coupling member protruding from an outer peripheral surface of the lens holder, wherein the first body includes a second coupling member coupled to the first coupling member, wherein the first body includes a first protruding portion protruding from an upper surface of the first body and a first groove formed between the second coupling member and the first protruding portion, wherein a fixing member is disposed in the first groove of the first body, wherein the fixing member includes a body disposed in the first groove of the first body and an extension portion extending from at least a portion of the body, and wherein the extension portion of the fixing member is disposed between an inner peripheral surface of the first coupling member and an outer peripheral surface of the second coupling member.

Description

[0001] This application is a divisional application of the invention patent application filed on June 22, 2021 (entering the Chinese national phase on December 22, 2022), with application number 202180044556.9 (international application number PCT / KR2021 / 007790) and entitled "Camera Module". Technical Field

[0002] This implementation relates to a camera module. Background Technology

[0003] In recent years, ultra-miniature camera modules have been developed and are widely used in small electronic products such as smartphones, laptops and game consoles.

[0004] As automobiles become more widespread, ultra-compact cameras are not only widely used in small electronic products but also in vehicles. Examples include black box cameras that provide objective data for vehicle protection or traffic accidents, rear-view cameras that allow drivers to monitor blind spots behind the vehicle via a screen to ensure safety when reversing, and peripheral detection cameras that can monitor the vehicle's surroundings.

[0005] The problem with conventional camera modules is that threaded structures are formed on the outer circumferential surface of the lens holder and the inner circumferential surface of the front body, which can cause foreign objects to be generated during assembly or due to vehicle vibration.

[0006] In addition, there is a problem where foreign objects fall onto the surface of the image sensor and cause black pixels.

[0007] In addition, because foreign objects are introduced into the waterproof O-ring located between the lens holder and the front body, there are problems with poor assembly and poor waterproofing. Summary of the Invention

[0008] Technical topics

[0009] The camera module according to this embodiment aims to provide a camera module that prevents foreign objects from falling onto the surface of the image sensor by changing the position of the threaded connection structure between the lens holder and the front body.

[0010] Furthermore, the camera module according to this embodiment aims to provide a camera module that minimizes assembly time and assembly defects by eliminating the O-ring application structure.

[0011] Furthermore, the camera module according to this embodiment aims to provide a camera module that can securely fix the lens holder and perform a waterproof function by applying epoxy resin between the lens holder and the front body.

[0012] Technical solution

[0013] The camera module according to this embodiment includes: a first body; a lens holder coupled to the first body; and a second body coupled to the first body, wherein the lens holder includes a first connecting member, the first connecting member including a first portion protruding from an outer peripheral surface of the lens holder and a second portion extending from the first portion toward the first body, wherein the first body includes a second connecting member coupled to the first connecting member, wherein the second portion of the first connecting member includes threads formed on an inner peripheral surface of the second portion, and wherein the second connecting member includes threads formed on an outer peripheral surface of the second connecting member.

[0014] The second connecting member protrudes from the upper surface of the first body, and the first connecting member includes a groove recessed from the lower end of the second portion of the first connecting member, and at least a portion of the second connecting member can be inserted into the groove of the first connecting member.

[0015] The camera module includes a substrate assembly disposed in a second body, wherein the substrate assembly includes a substrate and an image sensor disposed in the substrate, and wherein a first connecting member and a second connecting member may not overlap with the image sensor in the optical axis direction.

[0016] The camera module includes a substrate assembly disposed in a second body, wherein the substrate assembly includes a substrate and an image sensor disposed on the substrate, and wherein a first coupling member and a second coupling member may be disposed further outward than the image sensor.

[0017] The outer peripheral surface of the lens holder can contact the inner peripheral surface of the first body, and the outer peripheral surface of the lens holder and the inner peripheral surface of the first body can be formed without threads.

[0018] The threads of the first connecting component and the threads of the second connecting component can be threaded together.

[0019] The first body includes: a protrusion that protrudes from the upper surface of the first body and is disposed further outward than the second connecting member; and a groove formed between the second connecting member and the protrusion, wherein a fixing member may be disposed in the groove of the first body.

[0020] The fixing member includes: a body disposed in a groove of a first body; and an extension extending from at least a portion of the body, wherein the extension of the fixing member may be disposed between the inner peripheral surface of the first connecting member and the outer peripheral surface of the second connecting member.

[0021] The protruding portion of the first body does not overlap with the first connecting member of the lens holder in a direction perpendicular to the optical axis, and the second portion of the first connecting member may overlap with the groove of the first body in the optical axis direction.

[0022] The extension of the fixing member can secure the lens holder to the first body.

[0023] The second part of the first connecting component may be spaced apart from the outer peripheral surface of the lens holder in a direction perpendicular to the optical axis.

[0024] The camera module according to this embodiment includes: a first body; a lens holder connected to the first body; a second body connected to the first body; and a substrate assembly disposed in the second body, wherein the lens holder includes a first connecting member protruding from the outer peripheral surface of the lens holder, wherein the first connecting member includes a groove recessed from the lower end of the first connecting member, wherein the first body includes a second connecting member protruding from the upper surface of the first body, and at least a portion of the second connecting member is disposed in the groove of the first connecting member, and wherein the first connecting member and the second connecting member may be threadedly connected.

[0025] The substrate assembly includes a substrate and an image sensor disposed in the substrate, and the first connecting component and the second connecting component may not overlap with the image sensor in the optical axis direction.

[0026] The substrate assembly includes a substrate and an image sensor disposed on the substrate, and the first connecting component and the second connecting component may be disposed further outward than the image sensor.

[0027] A thread is formed on the outer peripheral surface of the second connecting member; a thread corresponding to the thread on the outer peripheral surface of the second connecting member is formed in the surface of the groove of the first connecting member facing the outer peripheral surface of the second connecting member; the outer peripheral surface of the lens holder contacts the inner peripheral surface of the first body; and the outer peripheral surface of the lens holder and the inner peripheral surface of the first body can be formed without threads.

[0028] Beneficial effects

[0029] According to this embodiment, the camera module can prevent foreign objects from falling onto the surface of the image sensor by changing the position of the threaded connection structure between the lens holder and the front body.

[0030] Additionally, assembly time and assembly defects can be minimized by eliminating the O-ring structures used together.

[0031] In addition, by applying epoxy resin between the lens retainer and the front body, the lens retainer can be securely fixed while also providing a waterproof function. Attached Figure Description

[0032] Figure 1 This is a perspective view of the camera module according to this embodiment.

[0033] Figure 2 This is an exploded perspective view of the camera module according to this embodiment, viewed from an upward direction.

[0034] Figure 3 This is an exploded perspective view of the camera module according to this embodiment, viewed from a downward direction.

[0035] Figure 4 This is a side view of the camera module according to this embodiment.

[0036] Figure 5 It is along Figure 4 A cross-sectional view of line AA;

[0037] Figure 6 This is a side view of the camera module according to this embodiment, viewed from another angle.

[0038] Figure 7 It is along Figure 6 A cross-sectional view of line BB;

[0039] Figure 8 This is a perspective view of the lens holder of the camera module according to this embodiment.

[0040] Figure 9 This is a perspective view of the first body of the camera module according to this embodiment, viewed from an upward direction.

[0041] Figure 10 This is a perspective view of the first body of the camera module according to this embodiment, viewed from a downward direction.

[0042] Figure 11 This is a perspective view of the fixing component of the camera module according to this embodiment.

[0043] Figure 12 This is a cross-sectional view of the lens holder of the camera module according to this embodiment.

[0044] Figure 13 This is a perspective view illustrating the lens holder, first body, and fixing member of the camera module according to this embodiment.

[0045] Figure 14 yes Figure 13 Cross-sectional view.

[0046] Figure 15 This is a diagram illustrating the movement path of a foreign object in the camera module according to this embodiment. Detailed Implementation

[0047] In the following, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0048] However, the technical concept of the present invention is not limited to the few embodiments described, but can be implemented in various forms, and within the scope of the technical concept of the present invention, one or more of the constituent elements can be selectively combined or substituted between embodiments.

[0049] Furthermore, unless explicitly defined and described, the terms (including technical and scientific terms) used in the embodiments of the present invention may be interpreted in the sense that would be commonly understood by one of those skilled in the art, and common terms, such as those defined in dictionaries, may be interpreted in light of the context of the relevant art.

[0050] Furthermore, the terminology used in this specification is for describing embodiments and is not intended to limit the invention.

[0051] In this specification, unless specifically stated in the phrase, the singular form may include the plural form, and when described as “at least one (or more than one) of A, B and C”, it may include one or more of all combinations that can be combined with A, B and C.

[0052] Furthermore, when describing the components of embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended only to distinguish the components from other components, and the terms do not limit the nature, order, or sequence of the components.

[0053] Furthermore, when a component is described as “connected,” “linked,” or “interconnected” to another component, the component is not only directly connected, linked, or interconnected to the other component, but may also include cases where another component “connects,” “links,” or “interconnects” with other components.

[0054] Additionally, when described as being formed or arranged "above" or "below" in relation to each component, "above" or "below" means not only the case where two components are in direct contact, but also the case where one or more other components are formed or arranged between the two components. Furthermore, when expressed as "above" or "below," it can include not only the meaning of an upward direction based on a component, but also the meaning of a downward direction based on a component.

[0055] In the following description, the camera module 10 according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

[0056] Figure 1 This is a perspective view of the camera module according to this embodiment; Figure 2 This is an exploded perspective view of the camera module according to this embodiment, viewed from an upward direction; Figure 3 This is an exploded perspective view of the camera module according to this embodiment, viewed from a downward direction; Figure 4 This is a side view of the camera module according to this embodiment; Figure 5 It is along Figure 4 A cross-sectional view of line AA; Figure 6 This is a side view of the camera module according to this embodiment, viewed from another angle; Figure 7 It is along Figure 6 A cross-sectional view of line BB; Figure 8 This is a perspective view of the lens holder of the camera module according to this embodiment; Figure 9 This is a perspective view of the first body of the camera module according to this embodiment, viewed from an upward direction; Figure 10 This is a perspective view of the first body of the camera module according to this embodiment, viewed from a downward direction. Figure 11 This is a perspective view of the fixing component of the camera module according to this embodiment; Figure 12 This is a cross-sectional view of the lens holder of the camera module according to this embodiment; Figure 13 This is a perspective view illustrating the lens holder, first body, and fixing member of the camera module according to this embodiment; and Figure 14 yes Figure 13 Cross-sectional view.

[0057] The camera module 10 according to an embodiment of the present invention can be a vehicle camera module. The camera module 10 can be connected to a vehicle. The camera module 10 can be used for any one or more of a front-facing camera, side-facing camera, rear-facing camera, and black box of the vehicle. The camera module 10 can be disposed in the front of the vehicle. The camera module 10 can be disposed in the rear of the vehicle. The camera module 10 can be connected to the windshield of the vehicle. The camera module 10 can be connected to the windshield at the front or rear of the vehicle. The camera module 10 can be disposed in the side of the vehicle. The camera module 10 can take pictures of objects and output them as images to a display (not shown).

[0058] Camera module 10 may include lens holder 100. Lens holder 100 may be formed of a metallic material. Lens holder 100 may be formed of an aluminum material. Lens holder 100 may be disposed within a first body 200. Lens holder 100 may be coupled to the first body 200. At least a portion of lens holder 100 may be disposed within the first body 200. Lens holder 100 may include a lens. The lens may include multiple lenses. Lenses may be coupled to lens holder 100. Lenses may be disposed inside lens holder 100. Lenses may be aligned with image sensor 511. Lenses may be optically aligned with image sensor 511. The optical axis of the lens may coincide with the central axis of image sensor 511. First body 200 may include an infrared filter (IR filter) disposed between lens module 140 and image sensor 317. Lens holder 100 may include a first outer peripheral surface and a second outer peripheral surface disposed outside the first outer peripheral surface. The outer peripheral surface of lens holder 110 may be formed without threads. The outer peripheral surface of the lens retainer 110 may not include threads. The first and second outer peripheral surfaces of the lens retainer 110 may be formed without threads.

[0059] The lens holder 100 may include a first connecting member 110. The first connecting member 110 may protrude outward from the outer peripheral surface of the lens holder 100. The first connecting member 110 may protrude outward from at least a portion of the outer peripheral surface of the lens holder 100. The first connecting member 110 may be connected to a first body 200. The first connecting member 110 may be connected to a second connecting member 210 of the first body 200. The first connecting member 110 may be threadedly connected to the second connecting member 210 of the first body 200. At least a portion of the first body 200 may be accommodated within the first connecting member 110. The first connecting member 110 may not overlap with the image sensor 511 in the optical axis direction. The first connecting member 110 may be positioned further outward than the image sensor 511. This prevents foreign objects from falling onto the surface of the image sensor 511 due to wear during the threaded connection between the first connecting member 110 and the second connecting member 210.

[0060] The first connecting member 110 may include: a first portion 111 extending outward from the outer peripheral surface of the lens holder 100; and a second portion 112 extending downward from the first portion 111. The first portion 111 may overlap with the second connecting member 210 of the first body 200 in the optical axis direction. The first portion 111 may not overlap with the image sensor 511 in the optical axis direction. The first portion 111 may be located further outward than the image sensor 511.

[0061] The second portion 112 may be spaced apart from the outer peripheral surface of the lens holder 100. The second portion 112 may be spaced apart from the outer peripheral surface of the lens holder 100 in a direction perpendicular to the optical axis. The second portion 112 may be spaced apart from the first outer peripheral surface of the lens holder 100 in a direction perpendicular to the optical axis. The second portion 112 may face the first outer peripheral surface of the lens holder 100. The length of the second portion 112 in the optical axis direction may be shorter than the length of the second connecting member 210 of the first body 200 in the optical axis direction. The second portion 112 may be spaced apart from the groove 230 of the first body 200 in the optical axis direction. The second portion 112 may be disposed above the body 410 of the fixing member 400. The body 410 of the fixing member 400 may be disposed between the second portion 112 and the groove 230 of the first body 200. The second portion 112 may be connected to the second connecting member 210 of the first body 200. The second portion 112 may be threadedly connected to the second connecting member 210 of the first body 200. The second part 112 may not overlap with the image sensor 511 in the optical axis direction. The second part 112 may be located further outward than the image sensor 511.

[0062] The inner peripheral surface of the second portion 112 may face the outer peripheral surface of the lens holder 100. A thread 114 may be formed in the inner peripheral surface of the second portion 112. At least a portion of the fixing member 400 may be disposed in the inner peripheral surface of the second portion 112. An extension 420 of the fixing member 400 may be disposed in the inner peripheral surface of the second portion 112.

[0063] The first connecting member 110 may include a groove 113. The groove 113 may be recessed from the lower end of the first connecting member 110. The groove 113 may also be recessed from the lower end of the second portion 112 of the first connecting member 110. The groove 113 may be formed between the second portion 112 of the first connecting member 110 and the first outer peripheral surface of the lens holder 100. The groove 113 may also be formed between the inner peripheral surface of the second portion 112 of the first connecting member 110 and the first outer peripheral surface of the lens holder 100. At least a portion of the first body 200 may be disposed in the groove 113. The second connecting member 210 of the first body 200 may be inserted into the groove 113. The depth of the groove 113 in the optical axis direction may be less than the depth of the second connecting member 210 of the first body 200 in the corresponding direction. The width of the groove 113 in the direction perpendicular to the optical axis direction may correspond to the width of the second connecting member 210 of the first body 200 in the corresponding direction. The groove 113 may be formed in a shape corresponding to the second connecting member 210 of the first body 200.

[0064] The first connecting member 110 may include a thread 114. The thread 114 may be formed in the first connecting member 110. The thread 114 may be formed in a groove 113 of the first connecting member 110. The thread 114 may be formed in the inner peripheral surface of the second portion 112 of the first connecting member 110. The thread 114 may face the outer peripheral surface of the lens holder 100. The thread 114 may face the first outer peripheral surface of the lens holder 100. The thread 114 may be formed in a shape corresponding to the thread of the second connecting member 210 of the first body 200. The thread 114 may be threadedly connected to the thread of the second connecting member 210 of the first body 200.

[0065] Camera module 10 may include a first body 200. The first body 200 may be referred to as a first housing or front body. The first body 200 may be formed in a rectangular shape with an open lower portion. The first body 200 may be formed of a metallic material. The first body 200 may be formed of an aluminum material. The first body 200 may be a metallic body. The first body 200 and the second body 300 may form the exterior of camera module 10. The first body 200 may be combined with the second body 300 to form an internal space. The first body 200 may be coupled to the second body 300. The first body 200 may be threadedly coupled to the second body 300.

[0066] The first body 200 may include a second connecting member 210. The second connecting member 210 may protrude upward from the upper surface of the first body 200. The second connecting member 210 may be connected to the lens holder 100. The second connecting member 210 may be connected to a first connecting member 110 of the lens holder 100. The second connecting member 210 may be inserted into a groove 113 of the first connecting member 110 of the lens holder 100. The second connecting member 210 may be disposed in the groove 113 of the first connecting member 110 of the lens holder 100. The length of the second connecting member 210 in the optical axis direction may be longer than the length of the second portion 112 of the first connecting member 110 of the lens holder 100 in the corresponding direction. The inner peripheral surface of the second connecting member 210 may contact the first outer peripheral surface of the lens holder 100. The inner peripheral surface of the second connecting member 210 may be formed without threads. The inner peripheral surface of the second connecting member 210 may include threads.

[0067] The second connecting member 210 may include a thread 211. The thread 211 may be formed in the outer peripheral surface of the second connecting member 210. The thread 211 may face the thread 114 of the first connecting member 110 of the lens holder 100. The thread 211 may engage with the thread 114 of the first connecting member 110 of the lens holder 100. The thread 211 may be formed in a shape corresponding to the thread 114 of the first connecting member 110 of the lens holder 100. The thread 211 may be threadedly connected to the thread 114 of the first connecting member 110 of the lens holder 100.

[0068] The first body 200 may include an extension 220. The extension 220 may protrude upward from the upper surface of the first body 200. The extension 220 may be disposed further outward than the second connecting member 210. The height of the extension 220 in the optical axis direction may be lower than the height of the second connecting member 210 in the corresponding direction. The extension 220 may not overlap with the first connecting member 110 of the lens holder 100 in the direction perpendicular to the optical axis. The extension 220 may not overlap with the second portion 112 of the first connecting member 110 of the lens holder 100 in the direction perpendicular to the optical axis. The extension 220 may not overlap with the image sensor 511 in the optical axis direction. The extension 220 may be disposed further outward than the image sensor 511. Therefore, foreign objects can be prevented from falling onto the surface of the image sensor 511 due to wear during the threaded connection between the first connecting member 110 and the second connecting member 210.

[0069] The first body 200 may include a groove 230. The groove 230 may be formed between the second connecting member 210 and the extension 220. The groove 230 may be formed by the upper surface of the first body 200, the second connecting member 210, and the extension 220. The bottom surface of the groove 230 may be disposed on the same plane as the upper surface of the first body 200. The groove 230 may overlap with at least a portion of the first connecting member 110 of the lens holder 100 in the optical axis direction. The groove 230 may overlap with a second portion 112 of the first connecting member 110 in the optical axis direction. The bottom surface of the groove 230 may be spaced apart from the second portion 112 of the first connecting member 110 in the optical axis direction. The groove 230 may not overlap with the image sensor 511 in the optical axis direction. The groove 230 may be disposed further outward than the image sensor 511. This prevents foreign objects from falling onto the surface of the image sensor 511 due to wear during the threaded connection between the first connecting member 110 and the second connecting member 210. A fixing member 400 may be provided in the groove 230. At least a portion of the fixing member 400 may be provided in the groove 230.

[0070] The first body 200 may include pillars 240 protruding from the lower surface of the first body 200. The pillars 240 may include four pillars 240. The pillars 240 may be formed at positions corresponding to the four corners of the second body 300. The pillars 240 may be disposed in recesses 340 of the second body 300. The pillars 240 may include recesses 241. The recesses 241 may be recessed from the lower ends of the pillars 240. A connecting member 800 may be disposed in the recesses 241. At least a portion of the connecting member 800 may be disposed in the recesses 241. The inner peripheral surface of the recesses 241 may have a shape corresponding to the shape of the outer peripheral surface of the connecting member 800. The inner peripheral surface of the recesses 241 may include a threaded shape. The recesses 241 may be threadedly connected to the connecting member 800. Thus, the first body 200 and the second body 300 can be connected.

[0071] The first body 200 may include a groove 250 formed on the lower surface of the first body 200. A first sealing member 710 may be disposed in the groove 250. At least a portion of the first sealing member 710 may be disposed in the groove 250. A protruding portion 711 of the first sealing member 710 may be disposed in the groove 250. When the first body 200 and the second body 300 are assembled, the groove 250 may be a groove for fixing the first sealing member 710 disposed in the first body 200. The groove 250 may be formed into a rounded shape at the portion corresponding to the support. The groove 250 may be concavely curved at the portion corresponding to the support. The portion of the groove 250 facing the support may have a rounded shape. The portion of the groove 250 facing the support may be bent into a shape corresponding to the support. The rounded shape of the groove 250 may be used to avoid the support.

[0072] The first body 200 may include a protruding portion 260. The protruding portion 260 may protrude downward from the first body 200. The protruding portion 260 may be disposed further inward than the support column. A first substrate 510 may be disposed in the protruding portion 260. The protruding portion 260 may be coupled to the first substrate 510. The protruding portion 260 may be coupled to the outer edge of the first substrate 510. The protruding portion 260 may be formed to have a shape corresponding to the shape of the outer edge of the first substrate 510.

[0073] The camera module 10 may include a second body 300. The second body 300 may be referred to as a rear body, a lower housing, or a second housing. The second body 300 may be formed of a metallic material. The second body 300 may be a metallic body. The second body 300 may be formed in a rectangular shape with an open upper portion. The second body 300 may be disposed below the first body 200. The second body 300 may be connected to the first body 200. The second body 300 may be threadedly connected to the first body 200. The second body 300 may form an internal space by connecting to the first body 200. A first sealing member 710 may be provided at the upper portion of the second body 300.

[0074] The second body 300 may include a base plate 310 and side plates 320 extending from the base plate 310. The side plates 320 may extend upward from the edge of the base plate 310. The second body 300 may include a plurality of side plates 320 and corners formed between the plurality of side plates 320. The second body 300 may include four side plates 320 and four corners disposed between the four side plates 320.

[0075] The second body 300 may include a groove 340 formed on the upper surface of the first body 200. The groove 340 may be formed at positions corresponding to the four corners of the second body 300. The groove 340 may overlap with the support of the first body 200 in the optical axis direction. The support of the first body 200 may be disposed in the groove 340. A hole 341 may be formed in the groove 340. The hole 341 may overlap with the groove 241 of the support of the first body 200 in the optical axis direction. The connecting member 800 may penetrate the hole 341. The inner peripheral surface of the hole 341 may have a shape corresponding to the outer peripheral surface of the connecting member 800. The inner peripheral surface of the hole 341 may include a threaded shape. The connecting member 800 penetrating the hole 341 may be disposed in the groove 241 of the support of the first body 200.

[0076] The second body 300 may include a connector lead-out member 330. The connector lead-out member 330 may be formed in a cylindrical shape. The connector lead-out member 330 may be coupled to the second body 300. The connector lead-out member 330 may penetrate the base plate 310 of the second body 300. At least a portion of the connector lead-out member 330 may be disposed inside the second body 300, and the remaining portion of the connector lead-out member 330 may be exposed outside the second body 300.

[0077] The connector lead-out component 330 can be connected to the base plate 310 of the second body 300. A connector 540 can be disposed inside the connector lead-out component 330. A second connector 542 can be disposed inside the connector lead-out component 330. The connector lead-out component 330 may include a hole. The connector 540 can be disposed in the hole. The hole of the connector lead-out component 330 can accommodate at least a portion of the connector 540. Thus, the connector lead-out component 330 can secure the connector 540.

[0078] The camera module 10 may include a fixing member 400. The fixing member 400 may be epoxy resin. The first connecting part 110 of the lens holder 100 and the second connecting part 210 of the first body 200 may be threaded together with the fixing member 400 inserted into the groove 230 of the first body 200.

[0079] The fixing member 400 may include a body 410. The body 410 may be disposed within the first body 200. The body 410 may be disposed within a recess 230 of the first body 200. The body 410 may be accommodated within the recess 230 of the first body 200. In this case, the body 410 may be slightly overflowing into the recess 230 of the first body 200. Thus, the fixing member 400, being epoxy resin, can be cured to increase the fixing force. Furthermore, through the threaded connection between the lens holder 100 and the first body 200, at least a portion of the body 410 of the fixing member 400 may extend between the thread 114 of the first connecting member 110 and the thread 211 of the second connecting member 210.

[0080] The fixing member 400 may include an extension 420. The extension 420 may extend upward from the body 410. The extension 420 may extend upward from at least a portion of the body 410. The extension 420 may extend from the body 410 between the thread 114 of the first connecting member 110 and the thread 211 of the second connecting member 210. The extension 420 may be a portion formed during its upward travel according to the threaded connection between the lens holder 100 and the first body 200. The extension 420 may be a portion formed during its upward travel according to the threaded connection between the first connecting member 110 of the lens holder 100 and the second connecting member 210 of the first body 200.

[0081] The extension portion 420 may be disposed in the inner peripheral surface of the first connecting member 110. The extension portion 420 may be disposed in at least a portion of the inner peripheral surface of the first connecting member 110. The extension portion 420 may be disposed in the thread 114 of the first connecting member 110. The extension portion 420 may be disposed in the outer peripheral surface of the second connecting member 210. The extension portion 420 may be disposed in at least a portion of the outer peripheral surface of the second connecting member 210. The extension portion 420 may be disposed in the thread 211 of the second connecting member 210. The length of the extension portion 420 in the optical axis direction may be less than the length of the first connecting member 110 in the optical axis direction. The length of the extension portion 420 in the optical axis direction may be less than the length of the second connecting member 210 in the optical axis direction. However, the length of the extension portion 420 in the optical axis direction is not limited thereto, and the length of the extension portion 420 in the optical axis direction may vary depending on the amount by which the fixing member 400 is applied to the groove 230 of the first body 200.

[0082] The extension portion 420 is disposed in the gap between the thread 114 of the first connecting member 110 and the thread 211 of the second connecting member 210, so that the lens holder 100 can be securely fixed. This prevents the lens holder 100 from detaching from or being removed from the first body 200 due to impacts such as vehicle vibration or shaking. In other words, the fixing member 400 can be epoxy resin used to fix the lens. Furthermore, the extension portion 420 being disposed in the gap between the thread 114 of the first connecting member 110 and the thread 211 of the second connecting member 210 prevents moisture from penetrating into the connecting surfaces of the lens holder 100 and the first body 200. That is, the fixing member 400 performs a waterproof function.

[0083] The camera module 10 may include a substrate assembly 500.

[0084] The camera module 10 may include a substrate assembly 400. The substrate assembly 400 may be disposed inside the second body 300. The substrate assembly 500 may be disposed in the internal space formed by the connection of the first body 200 and the second body 300.

[0085] The substrate assembly 500 may include a first substrate 510. The first substrate 510 may include a printed circuit board. The first substrate 510 may also include a rigid printed circuit board. An image sensor 511 may be disposed in the first substrate 510. In this case, the first substrate 510 may be referred to as a sensor substrate. The first substrate 510 may include a first surface facing the first body 200 and a second surface disposed on the opposite side of the first surface. The image sensor 511 may be coupled to the first body 200 at the outer edge region of the first surface of the first substrate 510.

[0086] The substrate assembly 500 may include a second substrate 520. The second substrate 520 may include a printed circuit board (PCB). The second substrate 520 may include a rigid printed circuit board (PCB). The second substrate 520 may be disposed below the first substrate 510. The second substrate 520 may be spaced apart from the first substrate 510. The second substrate 520 may be spaced apart from the first substrate 510 in the optical axis direction. The second substrate 520 may supply power to the first substrate 510. The second substrate 520 may be configured parallel to the first substrate 510. The second substrate 520 may be electrically connected to a connector 540. The second substrate 520 may include a first surface facing the first substrate 510 and a second surface disposed on the opposite side of the first surface. The connector 540 may be disposed in the second surface of the second substrate 520. A first connector 541 may be disposed in the second surface of the second substrate 520. The second substrate 520 may be electrically connected to the first connector 541.

[0087] The substrate assembly 500 may include a third substrate 530. The third substrate 530 may include a flexible printed circuit board (FPCB). The third substrate 530 may be electrically connected to the first substrate 510 and the second substrate 520. One end of the third substrate 530 may be connected to the first substrate 510, and the other end of the third substrate 530 may be connected to the second substrate 520. The third substrate 530 may be elastic.

[0088] The substrate assembly 300 may include a connector 540. The connector 540 can electrically connect a cable (not shown) to the second substrate 420. The connector 540 may include a first connector 541 electrically connected to the second substrate 320 and a second connector 542 extending from the first connector 541 and electrically connecting the first connector 541 and the cable. The first connector 541 may be disposed in a second surface of the second substrate 320. The first connector 541 may be fixed to the second surface of the second substrate 320. The first connector 541 may be electrically connected to the second substrate 420. The second connector 542 may be electrically connected to the first connector 541. The second connector 542 may be electrically connected to the cable. The second connector 542 may be disposed in a connector lead-out portion 220 of the second body 200. At least a portion of the second connector 542 may be disposed inside the connector lead-out portion 220 of the second body 200, and the remaining portion of the second connector 542 may be disposed inside the second body 200.

[0089] The substrate assembly 300 may include a grounding member 543. The grounding member 543 may include a washer. The grounding member 543 may be integrally formed with the connector 540. The grounding member 543 may be coupled to a first connector 541. A second connector 542 may be disposed inside the grounding member 543. One end of the grounding member 543 may be coupled to the first connector 541, and the other end of the grounding member 543 may not be in contact with the first connector or the second connector 542.

[0090] Camera module 10 may include a shielding member 600. The shielding member 600 may be referred to as any of a spacer, shield, or support member. The shielding member 600 may be an electromagnetic wave shielding member. The shielding member 600 may block electromagnetic interference (EMI) or electromagnetic waves.

[0091] The shielding member 600 can be disposed below the first substrate 310. The shielding member 600 can be disposed in the second substrate 320. The shielding member 600 can be disposed between the first substrate 310 and the second substrate 320. The shielding member 600 can separate the first substrate 310 and the second substrate 320 in the optical axis direction.

[0092] The camera module 10 may include a first sealing member 710. The first sealing member 710 may be referred to as either a gasket or a waterproof member. The first sealing member 710 may be formed of a plastic material. The first sealing member 710 may be formed in a shape corresponding to the shape of the outer edge of the first substrate 510. The first sealing member 710 may be formed to be larger than the outer edge of the first substrate 510. The first sealing member 710 may be disposed outside the outer edge of the first substrate 510. The first sealing member 710 may be disposed within the first body 200. The first sealing member 710 may be disposed between the first body 200 and the third body 300. The first sealing member 710 may be disposed in the space between the first body 200 and the second body 300. The height of the first sealing member 710 in the optical axis direction may be smaller after assembly than before assembly. That is, the first sealing member 710 may be disposed in a compressed state between the first body 200 and the second body 300 in the optical axis direction to perform a waterproof function. This prevents moisture from penetrating into the space between the first body 200 and the second body 300.

[0093] The first sealing member 710 may include a protrusion 711. The protrusion 711 may protrude from at least a portion of the surface of the first sealing member 710 facing the first body 200. The protrusion 711 may be inserted into a recessed portion 115 of the first body portion 110. When the first body 200 and the second body 200 are assembled, the protrusion 711 and the recessed portion 115 of the first body portion 110 may prevent the first sealing member 710 from moving. That is, when the first body 200 and the second body 200 are assembled, the second body 100 is coupled to the first body 200 with the first sealing member 710 mounted on the first body 200, at which time the first sealing member 710 may be used to guide the position so that it does not deviate from its initial position.

[0094] The camera module 10 may include a second sealing member 720. The sealing member 720 may be a waterproof member. The second sealing member 720 may be formed of an elastic material. It can prevent moisture from penetrating between the second body 300 and the connector 540. The second sealing member 720 may be spaced apart from the grounding member 543 in the optical axis direction. The second sealing member 720 may be disposed at a lower position than the second substrate 520. The second sealing member 720 may be disposed in the second connector 542. The second sealing member 720 may be disposed in the second body 300. The second sealing member 720 may be disposed in the connector lead-out member 330 of the second body 300. Thus, moisture can be prevented from penetrating between the second body 300 and the connector 540.

[0095] Camera module 10 may include a connecting member 800. The connecting member 800 can connect a first body 200 and a second body 300. The connecting member 800 can thread the first body 200 and the second body 300 together. The connecting member 800 may include a bolt. The connecting member 800 may include a screw. Threads may be formed on the outer peripheral surface of the connecting member 800. The connecting member 800 can be connected to a hole 341 in the second body 300. The connecting member 800 penetrating the hole 341 in the second body 300 may be disposed in a groove 241 of a support in the first body 200. Thus, the connecting member 800 can connect the first body 200 and the second body 300.

[0096] In the following text, the foreign object movement path of the camera module 10 according to this embodiment will be described in detail with reference to the accompanying drawings.

[0097] Figure 15 This is a diagram illustrating the movement path of a foreign object in the camera module according to this embodiment.

[0098] Conventional camera modules have a threaded connection between the outer peripheral surface of the lens holder and the inner peripheral surface of the first body. In this case, when assembling the lens holder and the first body, foreign matter is generated by the threads, and this foreign matter falls into the image sensor through the gap between the outer peripheral surface of the lens holder and the inner peripheral surface of the first body, thus causing black pixel development and / or yoke problems in the output image.

[0099] Reference Figure 15In the camera module 10 according to this embodiment, the outer peripheral surface of the lens holder 100 and the inner peripheral surface of the first body 200 do not include threaded shapes. In this case, when the lens holder 100 and the first body 200 are assembled, no foreign matter is generated between the outer peripheral surface of the lens holder 100 and the inner peripheral surface of the first body 200, thereby preventing black pixels on the image sensor. In addition, the camera module 10 according to this embodiment forms a threaded connection structure (threaded structure) on the outer side of the outer peripheral surface of the lens holder 100 and the outer side of the inner peripheral surface of the first body 200. In this case, because the lens holder 100 and the first body 200 are threadedly connected at the outer side of the outer peripheral surface of the lens holder 100 and the outer side of the inner peripheral surface of the first body 200, foreign matter generated due to wear will not settle on the image sensor 551, but will settle on the groove 230. This essentially blocks the path for foreign objects caused by wear on the threaded connection to fall onto the image sensor 511, preventing black pixel phenomena on the image sensor 511 and preventing the appearance of a yoke in the image output from the image sensor 551. Furthermore, conventional camera modules use an O-ring between the lens holder and the first body for waterproofing; however, because foreign objects caused by wear on the threaded connection can be introduced into the O-ring, problems of poor assembly and poor waterproofing exist. On the other hand, by applying a structure in which the O-ring is removed, the camera module according to this embodiment essentially prevents the problems of poor assembly and poor waterproofing that occur when foreign objects caused by wear are introduced into the O-ring, thereby ensuring waterproofing through the lens holder fixing member 400 made of epoxy resin material.

[0100] According to this embodiment, the camera module 10 can prevent foreign objects from falling onto the image sensor surface by changing the position of the threaded connection structure between the lens holder 100 and the front body 200. Furthermore, the assembly time and assembly defects can be minimized by eliminating the use of O-rings in the structure. Additionally, by applying epoxy resin between the lens holder 100 and the front body 200, the lens holder can be securely fixed, and a waterproof function can be achieved.

[0101] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential characteristics. Therefore, it should be understood that the above embodiments are illustrative in all respects and not restrictive.

Claims

1. A camera module, comprising: first ontology; A lens holder, which is connected to the first body; as well as The second body is connected to the first body. The lens holder includes a first connecting member protruding from the outer peripheral surface of the lens holder. The first body includes a second connecting component that is connected to the first connecting component. The first body includes a first protruding portion protruding from the upper surface of the first body, and a first groove formed between the second connecting member and the first protruding portion. A fixing component is provided in the first groove of the first body. The fixing member includes a body disposed in the first groove of the first body and an extension portion extending from at least a portion of the body. The extension portion of the fixing member is disposed between the inner peripheral surface of the first connecting member and the outer peripheral surface of the second connecting member.

2. The camera module according to claim 1, wherein, The first coupling component of the lens holder includes a first portion protruding from the outer peripheral surface of the lens holder and a second portion extending from the first portion toward the first body. The first protruding portion of the first body is located on the outer side compared to the second connecting component.

3. The camera module according to claim 1, wherein, The second connecting component of the first body protrudes from the upper surface of the first body. The first connecting component of the lens holder includes a groove recessed from the lower end of the second portion of the first connecting component, and In this embodiment, at least a portion of the second connecting component of the first body is inserted into the groove of the first connecting component.

4. The camera module according to claim 1, further comprising a substrate assembly disposed in the second body, in, The substrate assembly includes a substrate and an image sensor disposed on the substrate.

5. The camera module according to claim 4, wherein, The first and second connecting components are positioned further outwards than the image sensor.

6. The camera module according to claim 1, wherein, The second portion of the first connecting member includes threads formed on the inner peripheral surface of the second portion, and The second connecting component includes threads formed on the outer peripheral surface of the second connecting component.

7. The camera module according to claim 1, wherein, The outer peripheral surface of the lens holder contacts the inner peripheral surface of the first body, and The outer peripheral surface of the lens holder and the inner peripheral surface of the first body are formed without threads.

8. The camera module according to claim 1, wherein, The second portion of the first connecting component overlaps with the groove of the first body in the optical axis direction.

9. The camera module according to claim 1, wherein, The extension portion of the fixing member secures the lens holder to the first body.

10. The camera module according to claim 1, wherein, The second portion of the first connecting member is spaced apart from the outer peripheral surface of the lens holder in a direction perpendicular to the optical axis.

11. The camera module according to claim 1, wherein, The first body includes a second groove formed in the lower surface of the first body, and A first sealing member is provided in the second groove of the first body.

12. The camera module according to claim 11, wherein, The first body includes a strut projecting from the lower surface of the first body, and The pillars include four pillars formed at positions corresponding to the four corners of the second body.

13. The camera module according to claim 12, wherein, The second groove of the first body is formed into a rounded shape at the portion corresponding to the support column.

14. The camera module according to claim 12, wherein, The first body includes a second protruding portion that projects from the lower surface of the first body and is positioned more inwardly than the support pillar. The second protruding portion of the first body is connected to the substrate.

15. The camera module according to claim 14, wherein, The second protruding portion is formed to have a shape corresponding to the outer edge shape of the substrate.

16. A camera module, comprising: first ontology; A lens holder, which is connected to the first body; A second body is connected to the first body; as well as A substrate assembly is disposed in the second body. The lens holder includes a first connecting member protruding from the outer peripheral surface of the lens holder. The first connecting component includes a groove recessed from its lower end. The first body includes a second connecting member protruding from the upper surface of the first body, and at least a portion of the second connecting member is disposed in the groove of the first connecting member. The first body includes a protruding portion that protrudes from the upper surface of the first body and is located further outward than the second connecting member, and a first groove formed between the second connecting member and the protruding portion. A fixing member is provided in the first groove of the first body. The fixing member includes a body disposed in the first groove of the first body and an extension portion extending from at least a part of the body.

17. The camera module according to claim 16, wherein, The extension portion of the fixing member secures the lens holder to the first body.

18. The camera module according to claim 16, in, The first connecting component of the lens holder and the second connecting component of the first body are threadedly connected.

19. The camera module according to claim 16, wherein, The substrate assembly disposed in the second body includes a substrate and an image sensor disposed on the substrate, and The first connecting component and the second connecting component are located further outward than the image sensor.

20. The camera module according to claim 19, wherein, The outer peripheral surface of the lens holder contacts the inner peripheral surface of the first body, and The outer peripheral surface of the lens holder and the inner peripheral surface of the first body are formed without threads.

21. A camera module, comprising: first ontology; A lens holder, which is connected to the first body; A second body is connected to the first body; as well as A substrate assembly is disposed in the second body. The substrate assembly includes a substrate and an image sensor disposed on the substrate. The first body includes four pillars protruding from the lower surface of the first body and a groove formed in the lower surface of the first body. The groove is recessed at the portion corresponding to the support column. A first sealing member is provided in the groove, and The first sealing member is formed in a shape corresponding to the outer edge of the substrate.

Images