Camera module

Abstract

This camera module comprises: a first body having a hole formed in the upper surface thereof and a first guide arranged on the lower surface thereof; a lens module at least partially coupled to the hole; a second body coupled to the rear surface of the first body; a substrate arranged in a space formed by the coupling between the first body and the second body; and a support member arranged on the outer side of the substrate, wherein the support member includes: a first plate portion arranged between the lower surface of the first guide and the upper surface of the substrate; and a second plate portion extending downward from the first plate portion and arranged between the side surface of the substrate and the inner surface of the second body.

Description

camera module

[0001] This embodiment relates to a camera module.

[0002]

[0003] Recently, ultra-small 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, miniature cameras are increasingly being used not only in small electronic devices but also in vehicles. Examples include black box cameras for vehicle protection or to collect objective data on traffic accidents, rearview cameras that allow drivers to monitor blind spots at the rear of the vehicle, ensuring safety when backing up, and perimeter cameras that monitor the vehicle's surroundings.

[0005] A camera may be equipped with a lens, a lens holder that accommodates the lens, an image sensor that converts an image of a subject captured by the lens into an electrical signal, and a printed circuit board on which the image sensor is mounted. The housing that forms the exterior of the camera is configured with a sealed structure throughout to prevent internal components from being contaminated by foreign substances containing moisture.

[0006]

[0007] The present embodiment provides a camera module that can be firmly coupled between multiple components and has improved electrical characteristics.

[0008]

[0009] A camera module according to the present embodiment comprises: a first body having a hole formed on an upper surface and a first guide disposed on a lower surface; a lens module at least partially coupled to the hole; a second body coupled to a rear surface of the first body; a substrate disposed in a space formed by the coupling of the first body and the second body; and a support member disposed on an outer side of the substrate, wherein the support member comprises: a first plate portion disposed between a lower surface of the first guide and an upper surface of the substrate; and a second plate portion extending downward from the first plate portion and disposed between a side surface of the substrate and an inner surface of the second body.

[0010] A first ground plane is arranged on the upper surface of the substrate, and the first plate portion can be in contact with the first ground plane.

[0011] A second ground plane is arranged on a side of the substrate, and the second plate portion can be in contact with the second ground plane.

[0012] The second plate portion includes a fence portion, and a first protrusion that contacts the second ground surface may be arranged on the inner surface of the fence portion.

[0013] The second plate may include an elastic member that provides elastic force in a direction that presses the inner surface of the second body.

[0014] A second protrusion may be arranged on the outer surface of the elastic member.

[0015] A coupling rib protruding downward from the lower surface of the first guide may be included, and a coupling hole into which the coupling rib is coupled may be arranged on the support member.

[0016] The first body may include an upper plate and a first side plate extending downward from an edge of the upper plate, the second body may include a lower plate and a second side plate extending upward from an edge of the lower plate, the lower surface of the first side plate and the upper surface of the second side plate may face each other in the optical axis direction, and an adhesive may be disposed between the lower surface of the first side plate and the upper surface of the second side plate.

[0017] At least a portion of the adhesive may be in contact with a side surface of the substrate.

[0018] The second plate portion includes a 2-1 plate portion, a 2-2 plate portion facing the 2-1 plate portion, a 2-3 plate portion adjacent to the 2-1 plate portion and the 2-2 plate portion, and a 2-4 plate portion facing the 2-3 plate portion, and a first gap may be formed between the 2-1 plate portion and the 2-2 plate portion, and a second gap shorter than the first gap may be formed between the 2-1 plate portion and the 2-3 plate portion.

[0019]

[0020] In this embodiment, since the first body, the substrate, and the second body are electrically connected through the support member to form a ground area, electromagnetic waves generated in the circuit area of ​​the substrate can be prevented from being radiated to the outside and affecting adjacent electronic components, or electromagnetic waves generated from the outside can be prevented from flowing into the substrate, thereby further improving the electrical characteristics of the camera module and preventing noise from being included in the electrical signal, thereby obtaining high-quality images.

[0021] In addition, by implementing a grounding structure through the side of the substrate in addition to the component mounting space of the substrate, there is an advantage in that the component placement space within the substrate can be secured more widely.

[0022] In addition, there is an advantage in that the adhesive material for bonding between multiple bodies is introduced into the substrate through the gap of the fence portion, so that the bonding between multiple components can be more firmly achieved.

[0023]

[0024] FIG. 1 is a perspective view showing the appearance of a camera module according to an embodiment of the present invention.

[0025] Figure 2 is a cross-sectional view of a camera module according to an embodiment of the present invention.

[0026] Figure 3 is an exploded perspective view of a camera module according to an embodiment of the present invention.

[0027] Figure 4 is a drawing showing Figure 3 from a different angle.

[0028] Figure 5 is a perspective view of a substrate according to an embodiment of the present invention.

[0029] Figure 6 is a perspective view of a support member according to an embodiment of the present invention.

[0030] FIG. 7 is a cross-sectional view illustrating a portion of a support member according to an embodiment of the present invention.

[0031] FIG. 8 is an enlarged view of the combined structure of the first body, the second body, the substrate, and the support member according to an embodiment of the present invention.

[0032] FIG. 9 is a drawing showing a combined structure of a first body, a substrate, and a support member according to an embodiment of the present invention.

[0033] FIG. 10 is a perspective view showing the bonding structure of the substrate on the rear surface of the first body according to an embodiment of the present invention.

[0034] FIG. 11 is a drawing for explaining the grounding structure of a camera module according to an embodiment of the present invention.

[0035]

[0036] Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

[0037] However, the technical idea of ​​the present invention is not limited to some of the embodiments described, but can be implemented in various different forms, and within the scope of the technical idea of ​​the present invention, one or more of the components between the embodiments can be selectively combined or substituted for use.

[0038] In addition, terms (including technical and scientific terms) used in the embodiments of the present invention may be interpreted as having a meaning that can be generally understood by a person of ordinary skill in the technical field to which the present invention belongs, unless explicitly and specifically defined and described, and terms that are commonly used, such as terms defined in a dictionary, may be interpreted in consideration of the contextual meaning of the relevant technology.

[0039] Additionally, the terms used in the embodiments of the present invention are intended to describe the embodiments and are not intended to limit the present invention.

[0040] In this specification, the singular may also include the plural unless specifically stated otherwise in the phrase, and when it is described as “A and / or at least one (or more) of B, C”, it may include one or more of all combinations that can be combined with A, B, C.

[0041] Additionally, in describing components of embodiments of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only intended to distinguish the components from other components, and are not intended to limit the nature, order, or sequence of the components.

[0042] And, when a component is described as being 'connected', 'coupled', or 'connected' to another component, it may include not only cases where the component is 'connected', 'coupled', or 'connected' directly to the other component, but also cases where the component is 'connected', 'coupled', or 'connected' by another component between the component and the other component.

[0043] Additionally, when described as being formed or arranged "above" or "below" each component, "above" or "below" includes not only cases where the two components are in direct contact with each other, but also cases where one or more other components are formed or arranged between the two components. Furthermore, when expressed as "above" or "below," the meaning may include not only the upward direction but also the downward direction based on one component.

[0044] The 'optical axis direction (Y)' used below is defined as the optical axis direction of the lens. The optical axis direction may be the direction in which multiple components are combined, based on FIGS. 2 and 3. Meanwhile, the 'optical axis direction' may correspond to the 'up-down direction', the 'Y-axis direction', etc.

[0045] Hereinafter, the present invention will be described in more detail with reference to the attached drawings.

[0046] FIG. 1 is a perspective view showing the appearance of a camera module according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a camera module according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of a camera module according to an embodiment of the present invention, FIG. 4 is a view showing FIG. 3 from a different angle, FIG. 5 is a perspective view of a substrate according to an embodiment of the present invention, FIG. 6 is a perspective view of a support member according to an embodiment of the present invention, FIG. 7 is a view showing a part of a support member according to an embodiment of the present invention in a cutaway manner, FIG. 8 is an enlarged view showing a coupling structure of a first body, a second body, a substrate, and a support member according to an embodiment of the present invention, FIG. 9 is a view showing a coupling structure of a first body, a substrate, and a support member according to an embodiment of the present invention, FIG. 10 is a perspective view showing a coupling structure of a substrate on the rear surface of a first body according to an embodiment of the present invention, and FIG. 11 is a view for explaining a grounding structure of a camera module according to an embodiment of the present invention.

[0047] Referring to FIGS. 1 to 11, a camera module (10) according to an embodiment of the present invention may be a vehicle camera module. The camera module (10) may be coupled to a vehicle. The camera module (10) may be used in at least one of a front camera, a side camera, a rear camera, an interior camera, and a black box of the vehicle. The camera module (10) may be disposed at the front of the vehicle. The camera module (10) may be disposed at the rear of the vehicle. The camera module (10) may be coupled to the windshield of the vehicle. The camera module (10) may be coupled to the windshield of the front or rear of the vehicle. The camera module (10) may be disposed on the side of the vehicle. The camera module (10) may be disposed inside the vehicle. The camera module (10) may photograph a subject and output the image as an image on a display (not shown).

[0048] The camera module (10) may include a first body (100), a second body (200), a lens module (300), a substrate (400), and a support member (450).

[0049] The camera module (10) may include a first body (100). The first body (100) may be named any one of a front body, an upper housing, a first housing, and a front cover. The first body (100) may include a body portion (110). The first body (100) may include a barrel portion (130). The barrel portion (130) may also be named a protrusion portion since it protrudes upward from the body portion (110). The body portion (110) and the barrel portion (130) may be formed integrally or as separate components.

[0050] The body part (110) may be formed of a metal material. The body part (110) may be placed on a second body (200) described later. The body part (110) may be coupled to the second body (200). The lower end of the body part (110) may be fixed to the second body (200). The body part (110) may be coupled to the second body (200) by an adhesive (700). Alternatively, the body part (110) may be coupled to the second body (200) by welding. The body part (110) may be coupled to a substrate (400) described later.

[0051] The body part (110) may be formed in a rectangular shape with an open bottom. At this time, the corners of the body part (110) may be formed to be rounded. The body part (110) may include a top plate (112) and a first side plate (114) extending downward from an edge of the top plate (112). The top plate (112) may be formed in a rectangular shape. The top plate (112) may extend outward from the lower outer surface of the barrel part (130). The first side plate (114) may extend downward from the outer edge of the top plate (112). A plurality of first side plates (114) may be provided. The first side plate (114) may include four side plates. The first side plate (114) may be formed in a square plate shape. The first side plate (114) may include a first-first side plate, a first-second side plate, a first-third side plate arranged opposite the first-first side plate, and a first-fourth side plate arranged opposite the first-second side plate. The first side plate (114) may include first-first to first-fourth corners arranged between the first-first to first-fourth side plates, respectively. Each of the first-first to first-fourth corners may include a round shape at least in part so as to connect a plurality of first side plates (114).

[0052] As illustrated in FIG. 8, the first side plate (114) may include a lower surface facing the second side plate (210) of the second body (200) in the optical axis direction (Y). The lower surface of the first side plate (114) may include a first surface (118) and a second surface (116) disposed on the inner side of the first surface (118). The first surface (118) and the second surface (116) may be disposed with a step in the optical axis direction. For example, the first surface (118) may be disposed lower than the second surface (116) in the optical axis direction. With respect to the direction (X) perpendicular to the optical axis direction, the surface connecting the first surface (118) and the second surface (116) may be an inclined surface having a shape in which the distance to the side surface of the substrate (400) becomes closer as it goes upward along the optical axis direction.

[0053] A space portion that is separated from other areas may be formed on the inside of the body portion (110). The space portion may have an open bottom and an upper portion that may be covered by the barrel portion (130) and the lower surface of the lens module (300).

[0054] The body portion (110) may include a first guide (150, see FIGS. 2 and 4). The first guide (150) may have a shape that protrudes downward from the lower surface of the upper plate (112) along the optical axis direction. The first guide (150) may be arranged to face the upper surface of the substrate (400) in the optical axis direction. A first plate portion (460) of a support member (450), which will be described later, may be arranged between the lower surface of the first guide (150) and the upper surface of the substrate (400). The bonding area of ​​the substrate (400) may be guided in the space within the camera module (10) through the first guide (150).

[0055] A first screw hole (155) may be arranged on the lower surface of the first guide (150). The first screw holes (155) may be provided in multiple numbers, and may be arranged in one corner region of the lower surface of the first guide (150) and another corner region opposite to the first corner region. The area where the first screw hole (155) is arranged in the first guide (150) may be an area with a larger width in the direction (X) perpendicular to the optical axis direction than the other areas. A substrate (400) may be screw-coupled to the first screw hole (155) via a screw (S).

[0056] A coupling rib (160) may be arranged on the lower surface of the body portion (110). The coupling rib (160) may have a shape that protrudes downward from the lower surface of the first guide (150). When viewed from the lower side of the body portion (110), the coupling rib (160) may have a rectangular cross-sectional shape. The coupling rib (160) may be arranged so that at least a portion thereof overlaps the second surface (116) in the optical axis direction. The coupling rib (160) may be coupled to a coupling hole (490) of a support member (450) to be described later. The coupling rib (160) may be provided in plurality and arranged along the lower periphery of the body portion (110). When the body portion (110) has a rectangular cross-sectional shape, the plurality of coupling ribs (160) may be arranged adjacent to the longitudinal center regions of the four sides of the body portion (110), respectively.

[0057] The first body (100) may include a barrel portion (130). The barrel portion (130) may be formed of a metal material. The barrel portion (130) may have a circular cross-sectional shape in a direction perpendicular to the optical axis. The barrel portion (130) may be disposed on the body portion (110). The barrel portion (130) may extend upward along the optical axis from the upper surface of the body portion (110). The barrel portion (130) may be formed integrally with the body portion (110) or may be formed as a separate component. Alternatively, the barrel portion (130) may be coupled to the body portion (110). In this case, the barrel portion (130) may be fixed to the body portion (110) by an adhesive. The barrel portion (130) may accommodate at least a portion of the lens module (300) therein. The center of the barrel portion (130) may include a hole (132, see FIG. 3) into which a lens module (300) is coupled. The lens module (300) may be coupled to the hole (132) of the barrel portion (130). The inner circumferential surface of the hole (132) of the barrel portion (130) may be formed in a shape and size corresponding to the outer circumferential shape of the lens module (300).

[0058] The camera module (10) may include a second body (200). The second body (200) may be named as any one of a rear body, a lower housing, a second housing, and a rear cover. The second body (200) may be formed in a rectangular shape with an open upper portion. At this time, the corners of the second body (200) may be formed to be rounded. The second body (200) may be formed of a metal material. The second body (200) may be placed below the first body (100). The second body (200) may be coupled with the first body (100). The second body (200) may form an internal space through coupling with the first body (100). The second body (200) may include a space portion with an open upper surface.

[0059] The second body (200) may include a lower plate (220). The lower plate (220) may face the upper plate (112) of the first body (100) in the optical axis direction. The lower plate (220) may be spaced apart from the upper plate (112) of the first body (110) in the optical axis direction. The lower plate (220) may be parallel to the upper plate (112) of the first body (100) in a direction perpendicular to the optical axis. The lower plate (220) may be formed in a square shape. At this time, at least some of the corners of the lower plate (220) may include a round shape. In this case, the round shape of the corner of the second body (200) and the round shape of the corner of the lower plate (220) may have shapes that correspond to each other. The lower plate (220) may include a plurality of surfaces that are arranged in a stepwise manner in the optical axis direction. For example, the lower plate (220) may include a first step surface and a second step surface positioned lower than the first step surface. A connector extraction portion (290), which will be described later, may be positioned on the second step surface.

[0060] The second body (200) may include a second side plate (210). The second side plate (210) may extend upwardly in the optical axis direction from the lower plate (220). The second side plate (210) may extend upwardly in the optical axis direction from an outer edge of the lower plate (220). A shield member (not shown) may be arranged on the second side plate (210). The shield member may be in surface contact with an inner surface of the second side plate (210). The upper end of the second side plate (210) may be coupled to the first body (100). The upper surface of the second side plate (210) may be arranged to face the lower surface of the first side plate (114) in the optical axis direction. The upper surface of the second side plate (210) may be in contact with the lower surface of the first side plate (114). The first side plate (114) and the second side plate (210) can be mutually joined by at least one method of adhesive, welding, or fusion.

[0061] As illustrated in FIG. 8, the second side plate (210) may include an upper surface facing the first side plate (114) of the first body (100) in the optical axis direction (Y). The upper surface of the second side plate (210) may include a third surface (214) and a fourth surface (212) disposed on the inner side of the third surface (214). The third surface (214) and the fourth surface (212) may be disposed with a step in the optical axis direction. For example, the fourth surface (212) may be disposed above the third surface (214). With respect to the direction (X) perpendicular to the optical axis direction, the surface connecting the third surface (214) and the fourth surface (212) may be an inclined surface having a shape in which the distance to the side surface of the substrate (400) becomes closer as it goes upward along the optical axis direction.

[0062] The third surface (214) may be arranged so as to overlap at least a portion of the first surface (118) of the lower surface of the first side plate (114) in the optical axis direction (Y). The fourth surface (212) may be arranged so as to overlap at least a portion of the second surface (116) of the lower surface of the first side plate (114) in the optical axis direction (Y).

[0063] The first body (100) and the second body (200) can be mutually coupled through an adhesive (700). The adhesive (700) can be placed between the lower surface of the first side plate (114) and the upper surface of the second side plate (210). The adhesive (700) can be placed between the first surface (118) and the third surface (214), and between the second surface (116) and the fourth surface (212). The adhesive (700) can be, for example, epoxy. Accordingly, the first body (100) and the second body (200) can be mutually coupled through curing. A portion of the adhesive (700) can protrude into the space within the first body (100) and the second body (200). Accordingly, a portion of the adhesive (700) may be placed between the side surface of the substrate (400) and the inner surface of the first body (100), and between the side surface of the substrate (400) and the inner surface of the second body (200). This will be described later.

[0064] Based on the direction (X) perpendicular to the optical axis direction, the placement area of ​​the adhesive (700) can be arranged to overlap with the substrate (400). That is, the lower surface of the first side plate (114) and the upper surface of the second side plate (210) can be arranged to overlap with at least a portion of the substrate (400) along the direction (X) perpendicular to the optical axis direction.

[0065] The second body (200) may include a connector outlet (290). The connector outlet (290) may have a shape that protrudes downward from the lower surface of the lower plate (220). The connector outlet (290) may have a connector (440) arranged inside. The connector outlet (290) may be formed of a metal material. The connector outlet (290) may have a pipe shape with a hollow interior (292, see FIG. 3). A sealing member (495) may be arranged between the inner surface of the connector outlet (290) and the outer surface of the connector to prevent external foreign substances from entering the space within the camera module (10).

[0066] The camera module (10) may include a lens module (300). The lens module (300) may be coupled to the first body (100). The lens module (300) may be coupled to the hole (132) of the barrel portion (130). At least a portion of the lens module (300) may be disposed inside the barrel portion (130), and the remaining portion may be disposed to protrude upward from the first body (100).

[0067] The lens module (300) may include a barrel (310) and one or more lenses (330) accommodated within the barrel (310). The lenses (330) may be arranged to face an image sensor (410) within a substrate (400) to be described later in the optical axis direction. The lenses (330) may be aligned with the image sensor (410) along the optical axis. A plurality of lenses (330) may be provided and may be arranged to be spaced apart from each other along the optical axis direction within the barrel (310). The outermost lens among the plurality of lenses (330) may be exposed upward of the camera module (10).

[0068] The barrel (310) may have a cylindrical shape with upper and lower surfaces open on the inside. A space in which lenses (330) are arranged may be arranged within the barrel (310). When arranging multiple lenses within the barrel (310), the multiple lenses may be aligned in the optical axis direction via a spacer (not shown).

[0069] The above barrel (310) may be made of metal.

[0070] A retainer (350) may be placed on the barrel (310). The retainer (350) may be screw-connected to the barrel (310). The retainer (350) may support the outermost lens placed on the barrel (310). The retainer (350) may include an opening for exposing the outermost lens. The retainer (350) may include an upper surface and a side surface extending downward from an edge of the upper surface. An inner surface of the side surface may be screw-connected to an outer surface of the barrel (310).

[0071] The lens module (300) may include a flange portion (320). The flange portion (320) may be disposed on the outer surface of the barrel (310). The flange portion (320) may have a shape that protrudes outward from other areas of the outer surface of the barrel (310). The flange portion (320) may have a circular cross-sectional shape in a direction perpendicular to the optical axis. When the lens module (300) is coupled to the first body (100), the flange portion (320) may be disposed on the barrel portion (130) of the first body (100). The lower surface of the flange portion (320) may be disposed to face the upper surface of the barrel portion (130) in the optical axis direction. An adhesive member (not shown) is placed between the lower surface of the flange portion (320) and the upper surface of the barrel portion (130), and the lower surface of the flange portion (320) and the upper surface of the barrel portion (130) can be mutually coupled through the adhesive member. In addition, the adhesive member can prevent external foreign substances from entering the space within the camera module (10).

[0072] The camera module (10) may include a substrate (400). The substrate (400) may be placed in a space within the camera module (10). The substrate (400) may be placed between the first body (100) and the second body (200). With respect to the direction (X) perpendicular to the optical axis direction, the substrate (400) may be placed such that at least a portion thereof overlaps with the lower surface of the first side plate (114) or the upper surface of the second side plate (210).

[0073] The substrate (400) may be a printed circuit board (PCB). An image sensor (410) may be disposed on the upper surface of the substrate (400). The image sensor (410) may be disposed on the upper surface of the substrate (400) to face the lens (330) of the lens module (300) in the optical axis direction. The upper surface of the substrate (400) may be supported by the lower surface of the first guide (150) of the first body (100). The substrate (400) may be screw-coupled to the lower surface of the first guide (150). The substrate (400) may include a second screw hole (405) that faces the first screw hole (155) of the first guide (150) in the optical axis direction. The second screw holes (405) may be provided in multiple numbers and may be respectively arranged in one corner region of the substrate (400) and in another corner region opposite to the one corner region. The screw (S) may be screwed into the first screw hole (155) by passing through the second screw hole (405). Accordingly, since the substrate (400) is firmly fixed on the first body (100), the optical axis alignment between the lens (330) and the image sensor (410) may be prevented from being misaligned.

[0074] A connector (440) may be arranged on the rear surface of the substrate (400). The connector (440) may extend in the optical axis direction toward the hollow (292) within the connector outlet (290). The connector (440) may be electrically and physically connected to an external terminal through the connector outlet (290). Through the connection between the connector (440) and the external terminal, a driving signal of the camera module (10) may be transmitted and received, or power for driving the camera module (10) may be provided.

[0075] The substrate (400) may include a plurality of ground planes. As illustrated in FIG. 5, the plurality of ground planes may include a first ground plane (430) disposed on the upper surface of the substrate (400) and a second ground plane (420) disposed on the side surface of the substrate (400). The ground plane may be a metal layer plated on the surface of the substrate (400). For example, the ground plane may be a metal layer made of gold (Au) plated on the surface of the substrate (400). However, the present invention is not limited thereto, and the ground plane may be an area where a metal copper foil is exposed through an open area of ​​a solder resist within the substrate (400). The ground plane may have a ground power source. Through the ground plane, the substrate (400) forms a contact structure with the first body (100), the second body (200), and the support member (450), so that the ground structure of the camera module (10) may be implemented.

[0076] The first ground plane (430) may be arranged along the upper edge of the substrate (400). The first ground plane (430) may have a closed-loop cross-section on the upper surface of the substrate (400). The first ground plane (430) may include a 1-1 ground plane (431) arranged in an area forming a first side of the upper surface of the substrate (400), a 1-2 ground plane (432) arranged in an area forming a second side opposite the first side of the upper surface of the substrate (400), a 1-3 ground plane (433) arranged in an area forming a third side connecting the first side and the second side of the upper surface of the substrate (400), and a 1-4 ground plane (434) arranged in an area forming a fourth side opposite the third side of the upper surface of the substrate (400). The first-first ground plane to the first-fourth ground plane (431, 432, 433, 444) can be connected to each other. According to an embodiment, the first ground plane (430) has the advantage of securing a wider space for component placement on the substrate (400) due to the structure in which it is arranged along the edge of the substrate (400).

[0077] The second ground plane (420) may be arranged on a side surface of the substrate (400). The second ground plane (420) may include a 2-1 ground plane arranged on a first side surface of the substrate (400), a 2-2 ground plane arranged on a second side surface facing the first side surface of the substrate (400), a 2-3 ground plane arranged on a third side surface connecting the first and second sides of the substrate (400), and a 2-4 ground plane arranged on a fourth side surface facing the third side surface of the substrate (400). The 2-1 ground plane, the 2-2 ground plane, the 2-3 ground plane, and the 2-4 ground plane may be spaced apart from each other. The second ground plane (420) may be spaced apart from the first ground plane (430) in the optical axis direction.

[0078] The camera module (10) may include a support member (450). The support member (450) may be coupled to the first body (100), the second body (200), and the substrate (400). A grounding structure may be implemented between the first body (100), the second body (200), and the substrate (400) through the support member (450).

[0079] As illustrated in FIG. 6, the support member (450) may include a first plate portion (460) and a second plate portion (470). The first plate portion (460) and the second plate portion (470) may be formed integrally. The first plate portion (460) and the second plate portion (470) may be arranged perpendicular to each other along the optical axis direction.

[0080] The first plate portion (460) may be in the shape of a square plate with a hole formed on the inside. The first plate portion (460) may be placed between the upper surface of the substrate (400) and the lower surface of the first guide (150). The first plate portion (460) may be in contact with the first ground surface (430). The first plate portion (460) may be in contact with the lower surface of the first guide (150). Accordingly, an electrical contact structure through the support member (450) between the first body (100) and the substrate (400) may be implemented. A coupling hole (490) is formed on the first plate portion (460), and as illustrated in FIG. 9, a coupling rib (160) of the first body (100) may be coupled to the coupling hole (490). Accordingly, the coupling of the support member (450) to the lower surface of the first body (100) can be guided. The coupling hole (490) overlaps at least partly with the second plate portion (470), and the area of ​​the second plate portion (470) corresponding to the formation area of ​​the coupling hole (490) can have a hole shape that penetrates from the inner surface to the outer surface of the second plate portion (470) in a direction perpendicular to the optical axis direction.

[0081] The second plate portion (470) may have a shape that is bent and extends downward from the edge of the first plate portion (460). The second plate portion (470) may include a plurality of plate portions arranged along the perimeter of the support member (450). For example, the second plate portion (470) may include a 2-1 plate portion (470A) arranged on a first side of the support member (450), a 2-2 plate portion (470B) arranged on a second side opposite the first side, a 2-3 plate portion (470C) arranged on a third side adjacent to the first and second sides, and a 2-4 plate portion (470D) arranged on a fourth side opposite the third side. The 2-1 plate portion (470A) to the 2-4 plate portion (470D) may be spaced apart from each other. The 2-1 plate portion (470A) to the 2-4 plate portion (470D) may be spaced apart from each other in the corner region of the support member (450). In this case, as illustrated in FIG. 6, the gap between the 2-1 plate portion (470A) and the 2-4 plate portion (470D) may be different from the gap between the 2-1 plate portion (470A) and the 2-3 plate portion (470C).

[0082] For example, as illustrated in FIG. 10, the first gap (454) between the plurality of second plate portions (470) arranged at one corner of the support member (450) may be larger than the second gap (452) between the plurality of second plate portions (470) arranged at one corner of the support member (450) and the adjacent other corner. The corner regions forming the first gap (454) within the support member (450) may be provided in plurality and arranged to face each other. The corner regions forming the second gap (452) within the support member (450) may be provided in plurality and arranged to face each other. As described above, at least a portion of the adhesive (700) that joins the first body (100) and the second body (200) may protrude in a direction toward the substrate (400) through the inner surface of the first body (100) and the inner surface of the second body (200). Accordingly, the adhesive (700) may be arranged to penetrate the support member (450) in a direction perpendicular to the optical axis direction so that a portion of the adhesive (700) comes into contact with the side surface of the substrate (400) through a region forming a relatively large first gap (454) in the corner region of the support member (450). In this case, there is an advantage in that the first body (100), the second body (200), the support member (450), and the substrate (400) can be firmly fixed to each other through the adhesive (700) by the adhesive (700) arranged to penetrate the first gap (454). Accordingly, since vibration and movement of the substrate (400) are minimized, misalignment of the optical axis between the image sensor (410) and the lens (330) can be minimized.

[0083] In addition, as illustrated in FIG. 10, a relatively short second gap (452) is formed in the area screwed through the screw (S) and the adjacent corner area, thereby preventing the adhesive (700) from excessively coming into contact with the substrate (400).

[0084] The second plate portion (470) may include a fence portion (471) and an elastic portion (473) disposed below the fence portion (471). The fence portion (471) may extend downward from the first plate portion (460) in the optical axis direction. The fence portion (471) may be disposed so as to overlap at least a portion of the substrate (400) in a direction perpendicular to the optical axis direction. The fence portion (471) may be disposed so as to surround a side surface of the substrate (400). An inner surface of the fence portion (471) may be disposed so as to overlap the second ground plane (420) in a direction perpendicular to the optical axis direction. The fence portion (471) facing the side surface of the substrate (400) may have a predetermined length in the optical axis direction. The length of the fence portion (471) facing the side surface of the substrate (400) in the optical axis direction may be thicker than the thickness of the substrate (400). Accordingly, by preventing the adhesive (700) from penetrating into the inside of the substrate (400) through the fence portion (471), it is possible to prevent the adhesive (700) from contacting the component on the substrate (400) or the image quality from being deteriorated by the adhesive (700) penetrating into the image sensor (410).

[0085] A first protrusion (472) having a shape that protrudes inwardly compared to other areas may be arranged in an area facing the second grounding surface (420) among the inner surfaces of the fence portion (471). The first protrusion (472) may be in contact with the second grounding surface (420). Accordingly, an electrical grounding structure between the support member (450) and the substrate (400) may be implemented. The inner surface of the first protrusion (472) in contact with the second grounding surface (420) may be a rounded surface. Accordingly, the contact area may be relatively increased. In addition, based on a single second plate portion (470), the first protrusions (472) may be provided in plurality and arranged to be spaced apart in a direction perpendicular to the optical axis direction. As another example, the inner surface of the first protrusion (472) may include a shape in which a portion is flat. In this case, the inner surface of the fence portion (471) may include a plurality of surfaces forming a predetermined angle with the adjacent area. For example, the inner surface of the fence portion (471) may include a first surface, a second surface that is arranged perpendicular to the optical axis direction with respect to the first surface and forms the inner surface of the first protrusion (472), and a plurality of inclined surfaces connecting the first surface and the second surface.

[0086] The elastic portion (473) may extend downward from the fence portion (471) in the direction of the optical axis. The elastic portion (473) may have an area that is bent at least once. As illustrated in FIG. 8, the elastic portion (473) may have elasticity with respect to the fence portion (471) in a direction that presses the inner surface of the second body (200). A second protrusion (474) may be arranged on the outer surface of the elastic portion (473). The second protrusion (474) may be arranged in a bent area within the elastic portion (473). The second protrusion (474) may come into contact with the inner surface of the second body (200). The elastic portion (473) may have elasticity such that the second protrusion (474) presses the inner surface of the second body (200).

[0087] Meanwhile, the surfaces of the first body (100) and the second body (200) may be surface-treated through anodizing. In this case, the surface of the first body (100) and the surface of the second body (200) that come into contact with the support member (450) may be areas where anodizing has been removed in order to implement a grounding structure with the support member (450).

[0088] According to the above structure, as illustrated in FIG. 11, the first body (100), the substrate (400), and the second body (200) are electrically connected through the support member (450) to form a ground area, so that electromagnetic waves generated in the circuit area of ​​the substrate (400) can be prevented from being radiated to the outside and affecting adjacent electronic components, or electromagnetic waves generated from the outside can be prevented from flowing into the substrate (400), so that the electrical characteristics of the camera module can be further improved, and noise can be prevented from being included in the electrical signal, so that an image of superior quality can be obtained.

[0089] In addition, by implementing a grounding structure through the side of the substrate (400) other than the component mounting space of the substrate (400), there is an advantage in that the component placement space within the substrate (400) can be secured more widely.

[0090] In addition, there is an advantage in that the adhesive material for bonding between multiple bodies is introduced into the substrate through the gap of the fence portion, so that the bonding between multiple components can be more firmly achieved.

[0091] In addition, since position alignment and coupling can be achieved through coupling of the coupling rib (160) and coupling hole (490), and the connector withdrawal portion (290) and the connector (440) without separate fastening parts such as screws between the support member (450) and the first body (100), and between the support member (450) and the second body (200), there is an advantage in that the assembly process can be performed more simply.

[0092] Although all components constituting the embodiments of the present invention have been described above as being combined or operating in combination, the present invention is not necessarily limited to these embodiments. That is, within the scope of the purpose of the present invention, all components may be selectively combined and operated one or more times. In addition, terms such as "include," "comprise," or "have" described above, unless specifically stated to the contrary, mean that the corresponding component may be inherent, and therefore should be interpreted as including other components rather than excluding other components. All terms, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the art to which the present invention pertains, unless otherwise defined. Commonly used terms, such as terms defined in a dictionary, should be interpreted as being consistent with the contextual meaning of the related technology, and shall not be interpreted in an ideal or excessively formal sense, unless explicitly defined in the present invention.

[0093] The above description is merely an illustrative description of the technical idea of ​​the present invention, and those skilled in the art will appreciate that various modifications and variations may be made without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the technical idea of ​​the present invention, and the scope of the technical idea of ​​the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within a scope equivalent thereto should be interpreted as being included in the scope of the rights of the present invention.

Claims

1. A first body having a hole formed on the upper surface and a first guide arranged on the lower surface; A lens module at least partially coupled to the above hole; A second body coupled to the rear of the first body; A substrate placed in a space formed by the combination of the first body and the second body; and Including a support member arranged on the outside of the above substrate, The above support member is, A first plate portion disposed between the lower surface of the first guide and the upper surface of the substrate; and A camera module including a second plate extending downward from the first plate and positioned between the side surface of the substrate and the inner surface of the second body.

2. In paragraph 1, A first ground plane is arranged on the upper surface of the above substrate, The above first plate is a camera module that comes into contact with the first ground surface.

3. In paragraph 1, A second ground plane is arranged on the side of the above substrate, The above second plate is a camera module that comes into contact with the second ground surface.

4. In paragraph 3, The above second plate includes a fence portion, A camera module having a first protrusion arranged on the inner surface of the above fence portion to contact the second ground surface.

5. In paragraph 1, A camera module wherein the second plate includes an elastic member that provides elastic force in a direction that presses the inner surface of the second body.

6. In paragraph 5, A camera module having a second protrusion arranged on the outer surface of the elastic portion.

7. In paragraph 1, Includes a coupling rib protruding downward from the lower surface of the first guide, A camera module having a joining hole arranged on the above support member to which the joining rib is joined.

8. In paragraph 1, The first body includes a top plate and a first side plate extending downward from an edge of the top plate, The second body includes a lower plate and a second side plate extending upward from an edge of the lower plate, The lower surface of the first side plate and the upper surface of the second side plate face each other in the optical axis direction, A camera module including an adhesive disposed between the lower surface of the first side plate and the upper surface of the second side plate.

9. In paragraph 8, A camera module wherein at least a portion of the adhesive is in contact with a side surface of the substrate.

10. In paragraph 9, The second plate portion includes a 2-1 plate portion, a 2-2 plate portion facing the 2-1 plate portion, a 2-3 plate portion adjacent to the 2-1 plate portion and the 2-2 plate portion, and a 2-4 plate portion facing the 2-3 plate portion. A first gap is formed between the 2-1 plate and the 2-2 plate, A camera module in which a second gap shorter than the first gap is formed between the second-1 plate and the second-3 plate.

Images