WO2025239573A1 - Camera module - Google Patents

Abstract

This camera module comprises: a first body comprising an upper plate and a first side plate extending downward from the edge of the upper plate; a lens module coupled onto the first body; a second body comprising a lower plate facing the upper plate in the optical axis direction and a second side plate extending upward from the edge of the lower plate so as to face the first side plate; and a substrate module arranged in a space formed through the coupling between the first body and the second body, wherein the substrate module comprises a first substrate and a second substrate arranged below the first substrate, the first body comprises a first guide protruding downward from the lower surface of the upper plate and coming into contact with the upper surface of the first substrate, and a second guide protruding downward from the lower surface of the upper plate and at least partially coming into contact with the upper surface of the second substrate, and the second body comprises a third guide protruding upward from the upper surface of the lower plate and coming into contact with the upper surface of the first substrate, and a fourth guide protruding upward from the upper surface of the lower plate and coming into contact with the upper surface of the second substrate.

Description

camera module

This embodiment relates to a camera module.

Recently, ultra-small camera modules have been developed and are widely used in small electronic products such as smartphones, laptops, and game consoles.

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.

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.

The housing, printed circuit board, and housing and lens are bonded together using adhesive. Automotive camera modules installed in vehicles are subject to impacts from various driving environmental factors, so sufficient bonding strength between multiple components is essential. In particular, if the adhesive strength between the multiple bodies forming the housing, or between the bodies and the printed circuit board, deteriorates, the quality of the captured image can deteriorate due to changes in the distance between the lens and the image sensor.

To prevent this, a bonding structure of the printed circuit board through a shield can within the body can be considered, but there is a problem of an increase in the number of parts and assembly work due to the application of the shield can.

The present invention provides a camera module that can improve production efficiency by reducing the number of parts and assembly man-hours, and can maintain a strong bonding force between multiple components.

A camera module according to the present embodiment comprises: a first body including an upper plate and a first side plate extending downward from an edge of the upper plate; a lens module coupled to the first body; a second body including a lower plate facing the upper plate in an optical axis direction and a second side plate extending upward from an edge of the lower plate and facing the first side plate; And a substrate module disposed in a space formed by the combination of the first body and the second body, the substrate module including a first substrate and a second substrate disposed below the first substrate, the first body including a first guide protruding downward from a lower surface of the upper plate and contacting an upper surface of the first substrate, a second guide protruding downward from a lower surface of the upper plate and at least a portion of which is in contact with an upper surface of the second substrate, and the second body including a third guide protruding upward from an upper surface of the lower plate and contacting an upper surface of the first substrate, and a fourth guide protruding upward from an upper surface of the lower plate and contacting an upper surface of the second substrate.

The cross-sectional area of the second substrate may be larger than the cross-sectional area of the first substrate.

The second guide may include a protrusion that protrudes downward from the other area and has a lower surface that contacts the upper surface of the second substrate.

The above protrusion may be arranged to penetrate the space between the inner surface of the first side plate and the side surface of the first substrate.

A portion of the lower surface of the second guide may be arranged to face the upper surface of the third guide in the optical axis direction.

Including a connecting substrate connecting the first substrate and the second substrate,

The inner surface of the second guide may have a concave groove shape, and an avoidance portion may be formed on which at least a portion of the connecting substrate is placed.

The third guide is provided in multiple numbers and is positioned in each of the four corner areas of the space within the second body, and a chamfered surface for avoiding the third guide may be formed in each of the four corner areas of the second substrate.

The above fourth guide can be arranged to connect two adjacent third guides.

The lower surface of the first guide is arranged to form the same plane as the lower surface of the first side plate, and the second guide can be arranged between the first guide and the first side plate.

Based on the optical axis direction, the length from the lower surface of the first guide to the lower surface of the second guide may correspond to the length from the upper surface of the first substrate to the upper surface of the second substrate.

In this embodiment, the upper and lower surfaces of the first substrate are supported by the first surface and the third surface, respectively, and the upper and lower surfaces of the second substrate are supported by the lower surface and the fourth surface of the protrusion, respectively, so that a plurality of substrates can be firmly fixed in the space within the camera module.

In particular, since the support structure of multiple substrates is formed only with the shapes within multiple bodies without a configuration such as a shield can, the number of parts is reduced and the assembly work is also reduced, so there is an advantage of improved production efficiency.

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 plan view showing the upper surface of a camera module according to an embodiment of the present invention.

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

Figure 4 is a drawing showing Figure 3 from a different angle.

Figure 5 is a cross-sectional view taken along line A-A' of Figure 2.

Figure 6 is a drawing showing an enlarged portion of a part of Figure 6.

Figure 7 is an enlarged view of a portion of B-B' of Figure 2.

Figure 8 is a plan view showing the lower surface of the first body according to an embodiment of the present invention.

Figure 9 is a plan view showing the upper surface of a second body according to an embodiment of the present invention.

Figure 10 is a perspective view of a vehicle according to an embodiment of the present invention.

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

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.

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.

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.

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.

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.

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.

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.

The term "optical axis direction" used below is defined as the optical axis direction of the lens. Meanwhile, "optical axis direction" may correspond to "up-down direction", "z-axis direction", etc.

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

Figure 10 is a perspective view of a vehicle according to an embodiment of the present invention.

Referring to FIG. 10, a vehicle (1) according to an embodiment of the present invention may include a body (2), a door (3), glass (4), a headlamp (5), a taillamp (6), and a camera module (10).

The above body (2) may be an exterior member of the vehicle (1). The body (2) may have various forms, such as a frame type and a monocoque type. One or more doors (3) may be coupled to a side of the body (2). In addition, the glass (4) may be coupled to the front and rear (where the pillar is formed) of the upper portion of the body (2) and the door (3). The headlamp (5) may be mounted on the front of the lower portion of the body (2). The taillamp (6) may be mounted on the rear of the lower portion of the body (2).

A camera module (10) may be installed on the side of the body (2) or on a door positioned at the front of one or more of the doors (3). The camera module (10) may be installed in front of the glass (4) coupled to the door (3). That is, in the vehicle (1) of the present embodiment, the side mirror may be replaced with the camera module (10).

The above camera module (10) can capture images of both rear sides of the vehicle. Images captured by the camera module (10) can be electrically connected to a display unit (not shown) via an electronic control unit (ECU) or the like. Accordingly, images captured by the camera module (10) can be controlled by the electronic control unit (ECU) and played back on the display unit.

An interior space for the driver can be formed inside the body (2). A display unit can be installed inside the body (2). The display unit can output an image captured by the camera module (10). The display unit can be installed on a dashboard (not shown) inside the body (2).

The installation form of the camera module (10) in the vehicle (1) described above is exemplary, and the camera module (10) can be used in one or more of the front camera, side camera, rear camera, and black box of the vehicle (1).

Below, a camera module according to an embodiment of the present invention will be described.

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 plan view showing the upper surface 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 cross-sectional view taken along line A-A' of FIG. 2, FIG. 6 is an enlarged view of a portion of FIG. 6, FIG. 7 is an enlarged view of a portion of line B-B' of FIG. 2, FIG. 8 is a plan view showing the lower surface of a first body according to an embodiment of the present invention, and FIG. 9 is a plan view showing the upper surface of a second body according to an embodiment of the present invention.

Referring to FIGS. 1 to 9, a camera module (10) according to an embodiment of the present invention may include a first body (100), a second body (200), a lens module (300), and a substrate module (400).

The camera module (10) may include a first body (100). The first body (100) may be named any one of a front body, a front housing, an upper housing, a first housing, and a front cover. The first body (100) may include a body portion (110). The first body (100) may include a barrel portion (120). The body portion (110) and the barrel portion (120) may be formed integrally.

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 welding. Alternatively, the body part (110) may be coupled to the second body (200) by adhesive or fusion. The body part (110) may be coupled to a substrate module (400) described later.

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 (114) and a first side plate (112) extending downward from an edge of the top plate (114). The top plate (114) may be formed in a rectangular shape. The top plate (114) may extend outward from the lower outer surface of the barrel part (120). The first side plate (112) may extend downward from the outer edge of the top plate (114). A plurality of first side plates (112) may be provided. The first side plate (112) may include four side plates. The first side plate (112) may be formed in a square plate shape. The first side plate (112) may include a first-first side plate, a first-second side plate, a first-third side plate positioned opposite the first-first side plate, and a first-fourth side plate positioned opposite the first-second side plate. The first side plate (112) may include first-first to first-fourth corners positioned 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.

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 (120) and the lower surface of the lens module (300).

The first body (100) may include a barrel portion (120). The barrel portion (120) may be formed of a metal material. The barrel portion (120) may have a circular cross-sectional shape. The barrel portion (120) may be disposed on the body portion (110). The barrel portion (120) may extend upward from the upper surface of the body portion (110). The upper plate (114) of the body portion (110) may have a shape extending in a direction perpendicular to the optical axis direction from the lower end of the barrel portion (120). The barrel portion (120) may be formed integrally with the body portion (110). Alternatively, the barrel portion (120) may be coupled to the body portion (110). In this case, the barrel portion (120) may be fixed to the body portion (110) by an adhesive. The barrel portion (120) may accommodate a lens module (300) therein. A hole (122) into which a lens module (300) is coupled may be arranged at the center of the barrel portion (120). The hole (122) may have a shape that is open upward from the upper surface of the barrel portion (120). A lens module (300) may be arranged in the hole (122) of the barrel portion (120). The inner circumferential surface of the hole of the barrel portion (120) may be formed in a shape and size corresponding to the outer circumferential surface shape of the lens module (300).

Since it protrudes upward from the upper surface of the body portion (110), the barrel portion (120) can be called a protrusion.

The camera module (10) may include a second body (200). The second body (200) may be named any one of a rear body, a rear housing, 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. 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 to 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.

The second body (200) may include a lower plate (220). The lower plate (220) may face the upper plate (114) of the body portion (110) of the first body (100). The lower plate (220) may be spaced apart from the upper plate (114) of the body portion (110) of the first body (110) in the optical axis direction. The lower plate (220) may be parallel to the upper plate (114) of the body portion (110) of the first body (100). The lower plate (220) may be formed in a square shape. In this case, at least some corners of the lower plate (220) may include a round shape.

The second body (200) may include a second side plate (210). The second side plate (210) may extend from the lower plate (220). The second side plate (210) may extend upward from an outer edge of the lower plate (220). 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 (112) 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 (112). The first side plate (112) and the second side plate (210) may be coupled to each other by at least one method selected from welding, adhesive, and fusion. The outer surface of the second side plate (210) can be arranged on the same plane as the outer surface of the first side plate (112) of the first body (100).

In detail, the first body (100) and the second body (200) can be joined by welding. The first body (100) and the second body (200) can be joined by laser welding. In this case, a welded portion (not shown) can be formed between the lower surface of the first side plate (112) and the upper surface of the second side plate (210). In order to smoothly form the welded portion, a chamfered surface can be formed on the lower surface of the first side plate (112) and the upper surface of the second side plate (210). The chamfered surface of the first side plate (112) can be an inclined surface shape connecting the lower surface of the first side plate (112) and the side surface of the first side plate (112). The chamfered surface of the second side plate (210) can be an inclined surface shape connecting the upper surface of the second side plate (210) and the outer surface of the second side plate (210). The welded portion may be positioned between the chamfered surface of the first side plate (112) and the chamfered surface of the second side plate (210). The welded portion may have a shape that protrudes outward from the outer surface of the first side plate (112) and the outer surface of the second side plate (210). Through the welded portion, a component such as an adhesive for joining the first body (100) and the second body (200) may be omitted.

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). A connector (490), which will be described later, may be arranged inside the connector outlet (290). The connector outlet (290) may be formed of a metal material. The connector outlet (290) may have a hollow pipe shape inside.

A sealing member (not shown) is placed between the inner surface of the connector withdrawal portion (290) and the outer surface of the connector (490), thereby preventing external foreign substances from entering the space within the camera module (10).

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 (122) of the barrel portion (120). At least a portion of the lens module (300) may be disposed inside the barrel portion (120), and the remaining portion may be disposed to protrude upward from the first body (100).

The lens module (300) may include a barrel (310) and one or more lenses (350) accommodated within the barrel (310). The lenses (350) may be arranged to face an image sensor (412) within a substrate module (400) to be described later in the optical axis direction. The lenses (350) may be aligned with the image sensor (412) along the optical axis. A plurality of lenses (350) may be provided and 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 (350) may be exposed upward of the camera module (10).

The barrel (310) may include a space with upper and lower surfaces open on the inside. The barrel (310) may have a cylindrical shape. The lens (350) may be placed in the space within the barrel (310). The barrel (310) may include a plurality of regions with different cross-sectional areas. For example, the region of the barrel (310) placed within the first body (100) may have a smaller cross-sectional area than the region of the barrel (310) protruding upward from the first body (100). The barrel (310) may have a circular cross-sectional shape. The barrel (310) may be made of a metal material.

The barrel (310) may include a flange (320). The flange (320) may be disposed on the outer surface of the barrel (310). The flange (320) may have a shape that protrudes outward from the outer surface of the barrel (310) more than other areas. The flange (320) may have a circular cross-sectional shape. When the lens module (300) is coupled with the first body (100), the flange (320) may be disposed on the upper portion of the barrel portion (120) of the first body (100). The lower surface of the flange (320) may be disposed to face the lower surface of the barrel portion (120) in the optical axis direction. The side surface of the flange (320) may be disposed inward relative to the side surface of the barrel portion (120). The side surface of the flange (320) may be disposed inwardly relative to the side surface of the barrel portion (120).

The first body (100) and the lens module (300) may be mutually connected by welding. The first body (100) and the lens module (300) may be laser welded. The flange (320) and the upper surface of the barrel portion (120) may be connected by welding. A weld portion may be arranged between the lower surface of the flange (320) and the upper surface of the barrel portion (120). Between the lower surface of the flange (320) and the upper surface of the barrel portion (120), a first region, which is an area that is mutually connected by the weld portion, and a second region, which is an area that is arranged on the inside of the first region and where the lower surface of the flange (320) and the upper surface of the barrel portion (120) are spaced apart in the optical axis direction, may be arranged. The side surface of the weld portion may have an inclined shape so as to connect the side surface of the flange (320) and the upper surface of the barrel portion (120).

Accordingly, according to the present embodiment, since the first body (100) and the second body (200), and the first body (100) and the lens module (300) are joined by welding, the number of parts is reduced by omitting an adhesive means such as an adhesive, and the number of processes for joining is greatly reduced.

A retainer (350) may be coupled to the upper end of the barrel (310). The retainer (350) may be screw-coupled to the upper end of the barrel (310). The outermost lens positioned on the barrel (310) may be fixed through the retainer (350). A hole may be formed on the upper surface of the retainer (350) to expose the outermost lens.

The camera module (10) may include a substrate module (400). The substrate module (400) may be placed in a space within the camera module (10). The substrate module (400) may be placed between the first body (100) and the second body (200).

The substrate module (400) may include a first substrate (410), a second substrate (420), and a connection substrate (430).

The first substrate (410) may be a printed circuit board (PCB). An image sensor (412) may be arranged on the upper surface of the first substrate (410). The image sensor (412) may be arranged on the first substrate (410) so as to face the lens (330) in the optical axis direction. The first substrate (410) may have a square shape.

The second substrate (420) may be a printed circuit board (PCB). The second substrate (420) may be arranged to be spaced apart from the first substrate (410) in the direction of the optical axis. The second substrate (420) may be arranged below the first substrate (410). A connector (490) may be coupled to the lower surface of the second substrate (420). The upper end of the connector (490) may be soldered to the lower surface of the second substrate (420). The second substrate (410) may have a square shape. Slanted surfaces may be formed in the four corner areas of the second substrate (410) to connect two mutually perpendicular sides.

The cross-sectional shape of the second substrate (420) may be different from the cross-sectional shape of the first substrate (410). The cross-sectional area of the second substrate (420) may be larger than the cross-sectional area of the first substrate (410). The first substrate (410) and the second substrate (420) may have regions that do not overlap each other in the optical axis direction.

The second substrate (420) may be electrically connected to the first substrate (410). The second substrate (420) and the first substrate (410) may be electrically connected via a connection substrate (430). The connection substrate (430) may be a flexible printed circuit board (FPCB). The connection substrate (430) may be electrically connected to the first substrate (410) and the second substrate (420) at upper and lower ends, respectively. The first substrate (410) and the second substrate (420) may be electrically connected at upper and lower ends. The connection substrate (430) may be electrically connected to the side surface of the first substrate (410) and the side surface of the second substrate (420), respectively.

The connector (490) is connected to the second substrate (420) and, by electrical connection with an external terminal coupled to the connector lead-out portion (290), can supply power to the camera module (10) or transmit and receive electrical signals related to the operation of the camera module (10).

Below, the combined structure of the first body (100), the second body (200), and the substrate module (400) will be described.

According to an embodiment of the present invention, the camera module (10) can be firmly formed by combining the first body (100), the second body (200), and the substrate module (400) in a space within the camera module (10).

The first body (100) may include a first guide (140) and a second guide (150).

The first guide (140) may have a shape that protrudes downward from the lower surface of the upper plate (114). The first guide (140) may be arranged on the inner side of the first side plate (112). The first guide (140) may be arranged on the inner side of the second guide (150). The first guide (140) may have a closed-loop cross-sectional shape. The cross-sectional shape of the first guide (140) may be formed to correspond to a region of the first substrate (410). The first guide (140) may be arranged to overlap the first substrate (410) in the optical axis direction. The lower surface of the first guide (140) may form the same plane as the lower surface of the first side plate (112). The lower surface of the first guide (140) may be arranged to be stepped upward from the lower surface of the second guide (150).

The lower surface of the first guide (140) may be in contact with the upper surface of the first substrate (410). The lower surface of the first guide (140) may be referred to as the first surface (142). The first surface (142) may be in contact with the edge of the upper surface of the first substrate (410). A grounding area of a ground power supply may be formed on the upper surface of the first substrate (410) that is in contact with the first surface (142). The first guide (140) may be formed as one body with the body portion (110).

The second guide (150) may have a shape that protrudes downward from the lower surface of the upper plate (114). The second guide (150) may be arranged between the first guide (140) and the first side plate (112). The second guide (150) may have a closed-loop cross-sectional shape. The cross-sectional shape of the space formed inside the second guide (150) may be formed to correspond to the cross-sectional shape of the first substrate (410). The lower surface of the second guide (150) may be arranged to be lower than the lower surface of the first side plate (112) and the first surface (142). Based on the optical axis direction, the length from the first surface (142) to the lower surface of the second guide (150) may be longer than the optical axis direction separation distance between the first substrate (410) and the second substrate (420). Based on the optical axis direction, the length from the first surface (142) to the lower surface of the second guide (150) may correspond to the length from the upper surface of the first substrate (410) to the upper surface of the second substrate (420).

The lower surface of the second guide (150) may be referred to as the second surface (152, see FIG. 4). At least a portion of the second surface (152) may be arranged to face the third surface (242, see FIG. 3) of the second body (200), which will be described later, in the optical axis direction. The second surface (152) may be spaced apart from the third surface (242) by a predetermined distance in the optical axis direction. Alternatively, the second surface (152) and the third surface (242) may be in contact.

The second guide (150) may include a protrusion (154). The protrusion (154) may have a shape in which a portion of the lower surface of the second guide (150) protrudes downwards more than the other area. The lower surface of the protrusion (154) may be positioned lower than the second surface (152). The side cross-section of the protrusion (154) may be rectangular. The protrusion (154) may have a square pillar shape. The protrusion (154) may be provided in multiple numbers, and may be positioned on one side of the second guide (150) and the other side opposite to the one side.

Since the cross-sectional area of the first substrate (410) is formed to be smaller than the cross-sectional area of the second substrate (420), a space can be formed between the inner surface of the first side plate (112) and the side surface of the first substrate (410) in a direction perpendicular to the optical axis.

As illustrated in FIG. 6, the protrusion (154) may penetrate the space formed between the side surface of the first substrate (410) and the inner surface of the first side plate (112), and at least a portion thereof may protrude downward from the lower surface of the first substrate (410). The lower surface of the protrusion (154) may be in contact with the upper surface of the second substrate (420). The lower surfaces of the plurality of protrusions (154) may each be in contact with one edge region of the upper surface of the second substrate (420) and the other edge region opposite to the one edge region. A grounding region of a ground power supply may be formed on the upper surface of the second substrate (420) that is in contact with the lower surface of the protrusion (154).

A groove-shaped avoidance portion (158, see Fig. 8) that is concave outwardly more than other areas may be formed in an area corresponding to the placement area of the connecting substrate (430) on the inner surface of the second guide (150). Accordingly, at least a portion of the connecting substrate (430) may be coupled within the avoidance portion (158), so that the placement area may be guided in the space within the first body (100).

The outer surface of the second guide (150) can be spaced apart from the inner surface of the second side plate (210) in a direction perpendicular to the optical axis. Accordingly, heat generated during the welding process of the first side plate (112) and the second side plate (210) can be prevented from being transmitted to the inside.

The second body (200) may include a third guide (240) and a fourth guide (250).

The third guide (240) may have a shape that protrudes upward from the upper surface of the lower plate (220). The third guide (240) may be arranged on the inner side of the second side plate (210). A plurality of third guides (240) may be provided, and may be arranged in each of the four corner areas of the space within the second body (200). The third guide (240) may have a triangular prism shape with a triangular cross section. The third guide (240) may be arranged to connect the inner surfaces of a plurality of adjacent second side plates (210) to each other. The upper surface of the third guide (240) may be arranged to be lower than the upper surface of the second side plate (210) and may be arranged to be higher than the upper surface of the fourth guide (250).

The upper surface of the third guide (240) may be in contact with the lower surface of the first substrate (410). The upper surface of the third guide (240) may be referred to as a third surface (242). The plurality of third surfaces (242) may each be in contact with the four corner regions of the lower surface of the first substrate (410). Some of the third surfaces (242) may be in contact with the lower surface of the first substrate (410), and other parts may be arranged to face the second surface (152) of the second guide (150) in the optical axis direction. The second surface (152) and the third surface (242) may be spaced apart from each other by a predetermined distance in the optical axis direction, or may be in contact with each other. When the second surface (152) and the third surface (242) are spaced apart from each other, an adhesive such as epoxy may be placed in the spaced area formed between the second surface (152) and the third surface (242). A grounding area of the ground power supply can be formed on the lower surface of the first substrate (410) that is in contact with the third surface (242).

Meanwhile, a chamfered surface (425) may be formed in the four corner areas of the second substrate (420) corresponding to the arrangement area of the third guide (240) to avoid contact with the third guide (240). The chamfered surface (425) may be an inclined surface shape connecting one side of the second substrate (420) and the other side adjacent to the one side. The chamfered surface (425) may form an obtuse angle with each of the one side and the other side of the second substrate (420).

The fourth guide (250) may have a shape that protrudes upward from the upper surface of the lower plate (220). The fourth guide (250) may be arranged on the inner side of the second side plate (210). The fourth guide (250) may have a shape that protrudes inward from the inner surface of the second side plate (210). The fourth guide (250) may be provided in plurality and may be arranged in each of the areas forming the four sides within the space of the second body (200). The fourth guide (250) may have a shape that connects a plurality of third guides (240). The fourth guide (250) may have a square pillar shape with a rectangular cross section. The upper surface of the fourth guide (250) may be arranged to be lower than the upper surface of the third guide (240).

The upper surface of the fourth guide (250) may be in contact with the lower surface of the second substrate (420). The upper surface of the fourth guide (250) may be referred to as the fourth surface (252). The fourth surface (252) may be in contact with the lower surface of the second substrate (420) facing in the optical axis direction, respectively. The fourth surface (252) may be in contact with each of the areas forming the four sides of the lower surface of the second substrate (420). A grounding area of a ground power supply may be formed on the lower surface of the second substrate (420) that is in contact with the fourth surface (252).

According to the structure as described above, the upper and lower surfaces of the first substrate (410) are supported by the first surface (142) and the third surface (242), respectively, and the upper and lower surfaces of the second substrate (420) are supported by the lower surface and the fourth surface (252) of the protrusion (154), respectively, so there is an advantage in that a plurality of substrates (410, 420) can be firmly fixed in the space within the camera module (10).

In particular, since the support structure of multiple substrates is formed only with the shapes within multiple bodies without a configuration such as a shield can, the number of parts is reduced and the assembly work is also reduced, so there is an advantage of improved production efficiency.

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.

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 (10)

A first body including a top plate and a first side plate extending downward from an edge of the top plate; A lens module coupled to the first body; A second body including a lower plate facing the upper plate in the optical axis direction and a second side plate extending upward from an edge of the lower plate and facing the first side plate; and It includes a substrate module arranged in a space formed by the combination of the first body and the second body, The above substrate module includes a first substrate and a second substrate disposed below the first substrate, The first body includes a first guide protruding downward from the lower surface of the upper plate and contacting the upper surface of the first substrate, and a second guide protruding downward from the lower surface of the upper plate and at least a portion of which contacts the upper surface of the second substrate. The second body is a camera module including a third guide protruding upward from the upper surface of the lower plate and contacting the upper surface of the first substrate, and a fourth guide protruding upward from the upper surface of the lower plate and contacting the upper surface of the second substrate. In the first paragraph, A camera module in which the cross-sectional area of the second substrate is larger than the cross-sectional area of the first substrate. In the second paragraph, A camera module in which the second guide includes a protrusion that protrudes downward from the other area and has a lower surface that contacts the upper surface of the second substrate. In the third paragraph, A camera module in which the protrusion is positioned to penetrate the space between the inner surface of the first side plate and the side surface of the first substrate. In the first paragraph, A camera module in which a portion of the lower surface of the second guide is positioned so as to face the upper surface of the third guide in the optical axis direction. In the first paragraph, Including a connecting substrate connecting the first substrate and the second substrate, A camera module having a concave groove shape on the inner surface of the second guide and an avoidance portion formed on which at least a portion of the connecting substrate is placed. In the first paragraph, The third guide is provided in multiples and is placed in each of the four corner areas of the space within the second body. A camera module in which a chamfered surface is formed in the four corner areas of the second substrate to avoid contact with the third guide. In paragraph 7, The above fourth guide is a camera module arranged to connect two adjacent third guides. In the first paragraph, The lower surface of the first guide is arranged to form the same plane as the lower surface of the first side plate, The above second guide is a camera module arranged between the above first guide and the above first side plate. In the first paragraph, A camera module in which, based on the optical axis direction, the length from the lower surface of the first guide to the lower surface of the second guide corresponds to the length from the upper surface of the first substrate to the upper surface of the second substrate.