Camera module and camera module assembly including same
By employing a housing and coupling frame design in the camera module, and utilizing the combination of coils and magnets, the problem of lens position dispersion was solved, thereby improving lens stability and assembly efficiency, and reducing manufacturing difficulty and cost.
Patent Information
- Application Number
- CN202510296776.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-07-19
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-20
AI Technical Summary
In existing technologies, the dispersed position of the lenses leads to increased lens scattering during camera module assembly, which increases the difficulty of the process and the manufacturing cost.
The design employs a housing and coupling frame, with coils positioned on three surfaces of the housing at 90-degree angles, eliminating bending areas. This, combined with the magnets and coils, enables stable movement of the lens carrier.
It reduces lens scattering, lowers process difficulty and manufacturing costs, and improves lens position stability and assembly efficiency.
Smart Images

Figure CN121367809A_ABST
Abstract
Description
Cross Reference to Related Applications
[0001] This application claims priority to Korean Patent Application No. 10-2024-0095787, filed on July 19, 2024, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference. TECHNICAL FIELD
[0002] Embodiments of the disclosure relate to a camera module and a camera module assembly including the same, and more particularly, to a camera module reducing lens position dispersion and a camera module assembly including the same. BACKGROUND
[0003] As electronic devices have developed, various electronic devices have been applied to various fields closely related to the lives of users of electronic devices. These electronic devices have been launched in various sizes according to functions and user preferences. For example, an electronic device can include a large screen touch display to ensure wide visibility and convenience of operation. The electronic device can include at least one camera module. For example, the electronic device can include at least one camera module disposed around or inside the display. SUMMARY
[0004] One or more embodiments provide a camera module reducing lens position dispersion and a camera module assembly including the same.
[0005] According to an aspect of one or more embodiments, a camera module is provided, the camera module including: a housing; and a coupling frame on the housing, wherein the housing includes: a first major surface, and first and second side surfaces connected to the first major surface and spaced apart in a first direction, wherein the coupling frame includes: a second major surface; third and fourth side surfaces connected to the second major surface and spaced apart in the first direction; a first coil on the second major surface; a second coil on the third side surface; and a third coil on the fourth side surface.
[0006] According to another aspect of one or more embodiments, a camera module is provided that includes a housing, an auto focus (AF) carrier configured to move in a first direction in the housing, a lens carrier configured to move on the AF carrier in the first direction and a second direction perpendicular to the first direction, and a coupling frame on the housing, where the AF carrier includes a first magnet on a first surface of the AF carrier, where the lens carrier includes a second magnet on a first side surface of the lens carrier and a third magnet on a second side surface of the lens carrier opposite the first side surface of the lens carrier, where the coupling frame includes first, second, and third coils spaced apart from each other, where the first magnet overlaps the first coil in a third direction perpendicular to the first and second directions, where the second magnet faces the second coil, and where the third magnet faces the third coil.
[0007] According to yet another aspect of one or more embodiments, a camera assembly module is provided that includes a housing, an auto focus (AF) carrier on a first surface of the housing, a lens carrier on the AF carrier, a telephoto lens on the lens carrier, an intermediate guide between the AF carrier and the lens carrier, a coupling frame and a connection substrate on the housing, and an image sensor on the connection substrate, where the housing includes a first major surface and first, second, and third side surfaces connected to the first major surface, where the coupling frame includes a second major surface, fourth and fifth side surfaces connected to the second major surface, where the fourth and fifth side surfaces are spaced apart in a first direction, a first coil on the second major surface, a second coil on the fourth side surface, and a third coil on the fifth side surface, where an angle formed by the second major surface and the fourth side surface and an angle formed by the second major surface and the fifth side surface are 90 degrees, and where the intermediate guide is configured to move the lens carrier in a second direction perpendicular to the first direction. BRIEF DESCRIPTION OF DRAWINGS
[0008] The above and other aspects and features of the present disclosure will become clearer after a detailed description of example embodiments thereof follows, taken in conjunction with the accompanying drawings, in which:
[0009] Figure 1 is a perspective view illustrating a camera module assembly according to one or more embodiments;
[0010] Figure 2 is Figure 1 is a cross-sectional view of the camera module assembly illustrated in FIG. 1;
[0011] Figure 3 is Figure 1 is a cross-sectional view of the camera module assembly illustrated in FIG. 1;
[0012] Figure 4is a perspective view showing a portion of camera module assembly according to one or more embodiments;
[0013] Figure 5 is a perspective view showing a housing and a coupling frame according to one or more embodiments;
[0014] Figure 6 is a perspective view showing a housing according to one or more embodiments;
[0015] Figure 7 is a perspective view showing a coupling frame according to one or more embodiments;
[0016] Figure 8 is a perspective view showing an auto focus (AF) carrier and a reflection bracket according to one or more embodiments;
[0017] Figure 9 is a perspective view showing an AF carrier, a reflection bracket, and an intermediate guide according to one or more embodiments;
[0018] Figure 10A and Figure 10B is a perspective view showing a lens carrier and an image sensor according to one or more embodiments;
[0019] Figure 10C is a bottom view showing a lens carrier and an image sensor according to one or more embodiments; and
[0020] Figure 11 is a flowchart for measuring a calibration value of a camera module according to one or more embodiments. DETAILED DESCRIPTION
[0021] Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described herein are example embodiments, and thus, the present disclosure is not limited thereto.
[0022] It will be understood that, although the terms first, second, third, fourth, etc. can be used herein to describe various elements, components, regions, layers and / or sections (collectively referred to as "elements"), these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element described in one portion of the specification can be called a second element in another portion of the specification without departing from the teachings of the present disclosure.
[0023] It will be understood that when a component or layer is referred to as being "above," "on top of," "above," "below," "below," "connected to," or "coupled to" another component or layer, it can be directly above, above, above, below, below, or directly connected to that other component or layer, or there can be intermediate components or layers. Conversely, when a component is referred to as being "directly above," "above," "above," "below," "below," "below," "directly connected to," or "directly coupled to" another component or layer, there are no intermediate components or layers.
[0024] As used herein, the phrase "at least one" preceding the list of elements modifies the entire list of elements rather than a single element in the list. For example, the phrase "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.
[0025] Figure 1 This is a perspective view showing a camera module assembly according to one or more embodiments. Figure 2 yes Figure 1 The image shows a cross-sectional view of the camera module assembly. Figure 3 yes Figure 1 The image shows a cross-sectional view of the camera module assembly. Figure 4 This is a perspective view showing a portion of a camera module assembly according to one or more embodiments. Figure 4 It shows Figure 1 A perspective view of the components other than the shielding cover S.
[0026] In this disclosure, D1 may be referred to as a first direction, D2 intersecting the first direction D1 may be referred to as a second direction D2, and D3 intersecting each of the first direction D1 and the second direction D2 may be referred to as a third direction D3. Each of the first direction D1 and the second direction D2 may be referred to as a horizontal direction. The third direction D3 may be referred to as a vertical direction. The first direction D1 and the second direction D2 may, for example, be substantially perpendicular to each other. The first direction D1 and the third direction D3 may, for example, be substantially perpendicular to each other. The second direction D2 and the third direction D3 may, for example, be substantially perpendicular to each other.
[0027] refer to Figures 1 to 4A camera module assembly A can be provided. The camera module assembly A can receive light from an external surface and generate an electrical signal. To this end, the camera module assembly A can include a camera module and an image sensor IMS. The camera module can be the remaining components of the camera module assembly A other than the image sensor IMS. The image sensor IMS can be combined with and connected to the camera module. The image sensor IMS can convert a light signal received by the camera module into an electrical signal.
[0028] The camera module assembly A can be included in an electronic device. For example, the camera module assembly A can be included in a smartphone and / or a tablet, etc. To this end, the camera module assembly A can include a shield case S, a connection substrate 7, a housing H, an image sensor IMS, an AF carrier 10, a lens carrier 20, a telephoto lens assembly 8, and a coupling frame 30.
[0029] The shield case S and the connection substrate 7 can be combined with and connected to each other. The connection substrate 7 can be combined with and connected to one side surface of the shield case S through a connection member 7S located on an upper surface of the shield case S. The shield case S can protect the camera module assembly A from external impact. The shield case S can include a metal material. The connection substrate 7 can be a printed circuit board (PCB).
[0030] The image sensor IMS can be disposed on the connection substrate 7. The image sensor IMS can be, for example, a charge-coupled device (CCD) or a CMOS image sensor (CIS).
[0031] An infrared cut filter (IRCF) 11 can be disposed on the connection substrate 7. According to one or more embodiments, an air gap can exist between the IRCF 11 and the image sensor IMS. The IRCF 11 can filter infrared rays entering the image sensor IMS.
[0032] A filter base 12 can be combined with and connected to the connection substrate 7 and the IRCF 11. For example, the filter base 12 can fix the IRCF 11 on the connection substrate 7.
[0033] The housing H and the coupling frame 30 fixed on the housing H can be disposed in the shield case S. The housing H can include a first groove GR1 on a bottom surface of the housing H. The coupling frame 30 can include a first coil C1, a second coil C2, a third coil C3, and a Hall sensor CS located in the first coil C1 to the third coil C3, which are arranged apart from each other. Details of the housing H and the coupling frame 30 will be described later.
[0034] The AF carrier 10 can be combined with and connected to the housing H. The AF carrier 10 can include a first magnet MG1 on a lower surface of the AF carrier 10. The first magnet MG1 and the first coil C1 can overlap each other in the third direction D3. For example, the first magnet MG1 of the AF carrier 10 can be positioned above the first coil C1 of the coupling frame 30 in the third direction D3. The first magnet MG1 can be provided as a plurality and include a plurality of first magnets MG1. For example, the first magnet MG1 can include two magnets arranged adjacent to each other in the second direction D2.
[0035] The reflection bracket 15 can be combined with and connected to the AF carrier 10. For example, the reflection bracket 15 can be supported by the AF carrier 10. The reflection member 15S can be combined with and connected to the reflection bracket 15. The reflection member 15S can include, for example, a mirror or a prism.
[0036] The intermediate guide 40 can be provided on the AF carrier 10. The intermediate guide 40 can be combined with and connected to the AF carrier 10. The lens carrier 20 can be provided on the intermediate guide 40. For example, the intermediate guide 40 can be positioned between the AF carrier 10 and the lens carrier 20. The intermediate guide 40 can be combined with and connected to the lens carrier 20. Accordingly, the lens carrier 20 can be moved by the intermediate guide 40. This will be described in detail later.
[0037] The lens carrier 20 can include a second magnet MG2 on one side surface and a third magnet MG3 on another side surface opposite to the one side surface. The second magnet MG2 can face the second coil C2 of the coupling frame 30. The third magnet MG3 can face the third coil C3 of the coupling frame 30. The lens carrier 20 can function as an optical image stabilizer (OIS).
[0038] The telephoto lens assembly 8 can be combined with and connected to the lens carrier 20. The telephoto lens assembly 8 can include a telephoto lens 8a and a lens housing 8b. The lens housing 8b can support the telephoto lens 8a. That is, the telephoto lens 8a can be placed in the lens housing 8b. External light can pass through the telephoto lens 8a in the third direction D3 and reach the reflection member 15S. Then, the reflection member 15S can reflect the light passing through the telephoto lens 8a to the image sensor IMS. The telephoto lens 8a can include a convex lens and / or a concave lens. The telephoto lens 8a can adjust a focal length by the AF carrier 10.
[0039] Figure 5 FIG. 1 is a perspective view illustrating a housing and a coupling frame according to one or more embodiments. Figure 6 FIG. 1 is a perspective view illustrating a housing and a coupling frame according to one or more embodiments. Figure 7is a perspective view illustrating a coupling frame according to one or more embodiments.
[0040] Referring to Figures 5 to 7 , the coupling frame 30 can be provided to be fixed to the housing H. For example, as Figure 6 illustred, the housing H according to one or more embodiments can include a first main surface HM and a first side surface Ha, a second side surface Hb, and a third side surface Hc connected to the first main surface HM. The first main surface HM can correspond to a bottom surface of the housing H. The first side surface Ha and the second side surface Hb can be connected to two side surfaces of the first main surface Ha, respectively. The first side surface Ha and the second side surface Hb can be spaced apart in a first direction D1. The first side surface Ha and the second side surface Hb can face each other. The third side surface Hc can connect the first side surface Ha and the second side surface Hb.
[0041] As Figure 5 and Figure 6 illustrated, the first main surface HM, the first side surface Ha, and the second side surface Hb can include a first opening OP1, a second opening OP2, and a third opening OP3, respectively. The shapes of the first opening OP1 to the third opening OP3 are not limited to the illustrated shapes, and various changes can be made.
[0042] A plurality of first grooves GR1 can be provided on the first main surface HM. The first grooves GR1 can be spaced apart from each other in the first direction D1 and the second direction D2. Each of the first grooves GR1 can extend in the second direction D2. The cross-section of the first grooves GR1 can have a "V" shape.
[0043] A first guide ball GB1 can be provided on each of the first grooves GR1. Each of the first guide balls GB1 of the housing H can be provided in a groove formed in the first main surface MA to move an AF carrier 10, which will be described later, in the first direction D1.
[0044] Referring again to Figures 2 to 7 , the coupling frame 30 according to one or more embodiments can include a second main surface 30M and a fourth side surface 30a and a fifth side surface 30b connected to the second main surface 30M. The second main surface 30M can correspond to a bottom surface of the coupling frame 30. The fourth side surface 30a and the fifth side surface 30b can be connected to two side surfaces of the second main surface 30M, respectively. The fourth side surface 30a and the fifth side surface 30b can be spaced apart in the first direction D1. The fourth side surface 30a and the fifth side surface 30b can face each other. The second main surface 30M can connect the fourth side surface 30a and the fifth side surface 30b.
[0045] For example, the second major surface 30M can combine a portion of a corner of the fourth side surface 30a and a portion of a corner of the fifth side surface 30b. The angle formed by the second major surface 30M and the fourth side surface 30a and the angle formed by the second major surface 30M and the fifth side surface 30b can be 90 degrees.
[0046] The first coil C1 can be disposed on the second major surface 30M. The second coil C2 can be disposed on the fourth side surface 30a. The third coil C3 can be disposed on the fifth side surface 30b. For example, the first coil C1 can be located between the second coil C2 and the third coil C3.
[0047] When the first coil C1 is powered, the first magnet MG1 on the lower surface of the AF carrier 10 can move in the second direction D2 with respect to the first coil C1. When the second coil C2 is powered, the second magnet MG2 of the lens carrier 20 can move in the first direction D1 with respect to the second coil C2. When the third coil C3 is powered, the third magnet MG3 of the lens carrier 20 can move in the second direction D2 with respect to the third coil C3. For example, each of the first coil C1 to the third coil C3 can form an actuator with the above-described first magnet MG1 to the third magnet MG3, and the actuator can be a voice coil motor (VCM).
[0048] Referring again to Figures 2 to 7 , the coupling frame 30 can be combined with and connected to the housing H to enclose a portion of the outside of the housing H. For example, the second major surface 30M can be located below the first major surface HM in the third direction D3. The fourth side surface 30a can be located on the first side surface Ha. The fifth side surface 30b can be located on the second side surface Hb. For example, the coupling frame 30 can enclose the remaining surfaces of the housing H except for the third side surface Hc. In this case, each of the first coil C1 to the third coil C3 on the coupling frame 30 can be located in the first opening OPl to the third opening OP3 of the housing H.
[0049] The Hall sensor HS can be located in the first coil C1 to the third coil C3. The Hall sensor HS can measure a magnetic field value that changes as the first magnet MG1 to the third magnet MG3 moves.
[0050] Figure 8 is a perspective view illustrating an AF carrier and a reflection bracket according to one or more embodiments.
[0051] Referring to Figures 2 to 8The AF carrier 10 can be combined with and connected to the housing H. A plurality of second grooves GR2 can be disposed on an upper surface of the AF carrier 10. A plurality of third grooves GR3 can be disposed on a lower surface of the AF carrier 10. Second guide balls GB2 and third guide balls are disposed on the second grooves GR2 and the third grooves GR3, respectively. Descriptions of the third grooves GR3 and the third guide balls will be described later in Figure 10C
[0052] The second grooves GR2 can be spaced apart from each other in the first direction D1 and the second direction D2. Each of the second grooves GR2 can extend in the first direction D1. A cross-section of the second grooves GR2 can have a "V" shape. The second grooves GR2 can correspond to grooves formed on the upper surface of the AF carrier 10.
[0053] The second guide balls GB2 can be disposed on the second grooves GR2, respectively. For example, each of the second guide balls GB2 can be disposed in a groove formed on the upper surface of the AF carrier 10 to move the intermediate guide 40 described below and the lens carrier 20 combined with and connected to the intermediate guide 40 in the first direction D1.
[0054] The reflection bracket 15 can be combined with and connected to the AF carrier 10. For example, the reflection bracket 15 can be supported by the AF carrier 10.
[0055] Figure 9 FIG. 1 is a perspective view illustrating an AF carrier, a reflection bracket, and an intermediate guide according to one or more embodiments.
[0056] Referring to Figure 8 and Figure 9 The intermediate guide 40 can be disposed on the AF carrier 10. For example, the intermediate guide 40 can be combined with and connected to the AF carrier 10 through the second grooves GR2 and the second guide balls GB2 located on the upper surface of the AF carrier 10. In this case, since the second grooves GR2 of the AF carrier 10 extend in the first direction D1, the intermediate guide 40 can move in the first direction D1, which is the same direction as the direction in which the second grooves GR2 extend.
[0057] A plurality of fourth grooves GR4 can be disposed on an upper surface of the intermediate guide 40. The fourth grooves GR4 can be spaced apart from each other in the first direction D1 and the second direction D2. Each of the fourth grooves GR4 can extend in the second direction D2. A cross-section of the fourth grooves GR4 can have a "V" shape. The fourth grooves GR4 can correspond to grooves formed on the upper surface of the intermediate guide 40.
[0058] Fourth guide balls GB4 can be respectively provided on the fourth grooves GR4. Each of the fourth guide balls GB4 can be disposed in a groove formed on the upper surface of the middle guide 40 to move the lens carrier 20 in the second direction D2, which will be described below.
[0059] Figure 10A and Figure 10B is a perspective view illustrating a lens carrier and an image sensor according to one or more embodiments. Figure 10C is a bottom view illustrating a lens carrier and an image sensor according to one or more embodiments.
[0060] Referring to Figures 9 to 10C , the lens carrier 20 can be disposed on the middle guide 40. The lens carrier 20 can be combined with and connected to the middle guide 40 through the fourth grooves GR4 and the fourth guide balls GB4. The lens carrier 20 can be spaced apart from the connection substrate 7 and the IRCF 11 in the second direction D2. In this case, as described above, since the middle guide 40 moves in the first direction D1 by the second grooves GR2 and the second guide balls GB2 on the upper surface of the AF carrier 10, the lens carrier 20 combined with and connected to the middle guide 40 can also move in the first direction D1.
[0061] The lens carrier 20 can include a second magnet MG2 on one side surface and a third magnet MG3 on another side surface opposite the one side surface. The second magnet MG2 and the third magnet MG3 can be spaced apart in the first direction D1. The third magnet MG3 can be provided as a plurality, and include a plurality of third magnets MG3. For example, the third magnet MG3 can include two magnets positioned adjacent to each other in the second direction D2.
[0062] Referring to Figure 6 and Figure 10C , a plurality of third grooves GR3 can be provided on the lower surface of the AF carrier 10. The third grooves GR3 can be spaced apart from each other in the first direction D1 and the second direction D2. Each of the third grooves GR3 can extend in the second direction D2. The cross-section of the third grooves GR3 can have a "V" shape. The third grooves GR3 can correspond to grooves formed on the lower surface of the AF carrier 10.
[0063] Third guide balls GB3 can be respectively provided on the third grooves GR3. Each of the third guide balls GB3 can be disposed in a groove formed on the lower surface of the AF carrier 10.
[0064] In this case, the housing H and the AF carrier 10 can be combined with and connected to each other by the first guide ball GB1 on the first groove GR1 and the third guide ball GB3 on the third groove GR3. Accordingly, the AF carrier 10 can move through the housing H in the second direction D2. For example, since both the first groove GR1 and the third groove GR3 extend in the second direction D2, the AF carrier 10 can move in the second direction D2, which is the same direction in which the first groove GR1 and the third groove GR3 extend.
[0065] As the AF carrier 10 moves in the second direction D2, the intermediate guide 40 combined with and connected to the AF carrier 10 and the lens carrier 20 combined with and connected to the intermediate guide 40 can also move in the second direction D2.
[0066] In this case, in addition to moving in the second direction D2 due to the AF carrier 10, the lens carrier 20 can additionally move in the second direction D2 due to the fourth groove GR4 extending in the second direction D2 on the upper surface of the intermediate guide 40.
[0067] In the case of a camera module according to a related example, a coil can be disposed on a frame having a curved region. However, when the curvature of the curved region is not constant during the frame manufacturing process, the scattering of the lens can be reduced when the power is turned off. In addition, in order to form a curved region having a constant curvature, the number of components and manufacturing costs can increase, and the process difficulty can also increase.
[0068] On the other hand, a camera module according to one or more embodiments and a camera module assembly including the same can include a housing and a coupling frame fixed to the housing. In this case, the coupling frame can have three surfaces on which a coil is disposed without a curved region, and the angles formed by the surfaces can be perpendicular. For example, since the coupling frame without a curved region is disposed, the scattering of the lens can be improved even when the power is turned off, and the process difficulty and manufacturing costs of the camera module can be reduced.
[0069] Figure 11 is a flowchart for measuring a calibration value of a camera module according to one or more embodiments. For example, referring again to Figures 2 to 10C The lens carrier 20 including the third magnet MG3 can additionally move in the second direction D2 due to the intermediate guide 40 in addition to moving in the second direction D2 due to the AF carrier 10. In this case, the magnetic field value of the third magnet MG3 measured by the Hall sensor HS located in the third coil C3 should consider both the displacement of the AF carrier 10 and the displacement of the lens carrier 20.
[0070] Hereinafter, a method for measuring a magnetic field value of the third magnet MG3 will be described by considering only displacement of the lens carrier 20 to the intermediate guide 40 (excluding movement due to the AF carrier 10). Figure 11 Hereinafter, a method for measuring a magnetic field value of the third magnet MG3 will be described by considering only displacement of the lens carrier 20 to the intermediate guide 40 (excluding movement due to the AF carrier 10).
[0071] Referring to Figures 2 to 11 In step P1, the AF carrier 10 can be moved to measure a first magnetic field value and a second magnetic field value. Moving the AF carrier 10 can include moving the AF carrier 10 toward or away from the image sensor IMS in the second direction D2. In this case, the first magnetic field value can be measured by the Hall sensor HS located in the third coil C3 when the AF carrier 10 is located at a position closest to the image sensor IMS. The second magnetic field value can be measured by the Hall sensor HS located in the third coil C3 when the AF carrier 10 is located at a position farthest from the image sensor IMS. The first magnetic field value and the second magnetic field value can correspond to a maximum magnetic field value or a minimum magnetic field value measured by movement of the AF carrier 10, depending on the arrangement of N poles and S poles included in the third magnet MG3.
[0072] In step P2, a first calibration value can be measured by displacement of the AF carrier 10, the first magnetic field value, and the second magnetic field value. The first calibration value can refer to a data value of a change in displacement of the AF carrier 10, in which the change in displacement of the AF carrier 10 depends on a change in the magnetic field value obtained by the Hall sensor HS located in the third coil C3.
[0073] Hereinafter, in step P3, the lens carrier 20 can be moved to a position closest to the image sensor IMS, and then a third magnetic field value can be measured. Moving the lens carrier 20 can include moving the AF carrier 10 to be closest to the image sensor IMS in the second direction D2, and then moving the lens carrier 20 to be closest to the image sensor IMS in the second direction D2 by the intermediate guide 40.
[0074] In step P4, the lens carrier 20 can be moved to a position farthest from the image sensor IMS, and then a fourth magnetic field value can be measured. Moving the lens carrier 20 can include moving the AF carrier 10 to be farthest from the image sensor IMS in the second direction D2, and then moving the lens carrier 20 to be farthest from the image sensor IMS in the second direction D2 by the intermediate guide 40.
[0075] The third magnetic field value and the fourth magnetic field value can correspond to a maximum magnetic field value or a minimum magnetic field value measured by movement of the lens carrier 20, depending on the arrangement of N poles and S poles included in the third magnet MG3.
[0076] Hereinafter, in step P5, the second calibration value can be measured by the displacement of the lens carrier 20, the third magnetic field value, and the fourth magnetic field value. The second calibration value can refer to a data value of a change in displacement of the lens carrier 20, wherein the change in displacement of the lens carrier 20 depends on a change in the magnetic field value obtained by the Hall sensor HS located in the third coil C3.
[0077] By measuring the first calibration value and the second calibration value, the movement of the lens carrier 20 can be controlled regardless of the movement of the AF carrier 10, and crosstalk between the first magnet MG1 of the AF carrier 10 and the third magnet MG3 of the lens carrier 20 can be reduced or prevented.
[0078] A camera module according to one or more embodiments and a camera module assembly including the same can include a housing and a coupling frame fixed on the housing. In this case, the coupling frame can have three surfaces on which coils are disposed without a curved area, and the surfaces can form an angle of 90 degrees. For example, since the coupling frame without a curved area is disposed, scattering of a lens can be improved even at the time of power-off, and process difficulty and manufacturing cost of the camera module can be reduced.
[0079] Although embodiments have been described with reference to the drawings, it will be understood by those of ordinary skill in the art that various changes in form and details can be made without departing from the spirit and scope of the appended claims and their equivalents.
Claims
1. A camera module, comprising: case; as well as The coupling frame, on the housing, The housing includes: The first primary surface; and A first side surface and a second side surface are connected to the first main surface and spaced apart in a first direction; and The coupling framework includes: Second primary surface; The third and fourth side surfaces are connected to the second main surface and spaced apart in the first direction; The first coil is on the second main surface; The second coil is on the third side surface; and The third coil is on the fourth side surface.
2. The camera module according to claim 1, wherein, The second main surface is on the first side of the first main surface. Wherein, the third side surface is on the first side surface, and The fourth side surface is on the second side surface.
3. The camera module according to claim 1, wherein, The coupling frame further includes: a Hall sensor included in the first coil, a Hall sensor included in the second coil, and a Hall sensor included in the third coil.
4. The camera module according to claim 1, wherein, In the coupling frame, the second coil and the third coil face each other, and The first coil is located between the second coil and the third coil.
5. The camera module according to claim 1, wherein, The housing also includes a fifth side surface that connects the first side surface and the second side surface.
6. The camera module according to claim 1, further comprising: An autofocus (AF) carrier is located on the first main surface; Lens carrier, on the AF carrier; as well as A telephoto lens, on the lens carrier.
7. The camera module according to claim 6, wherein, The AF carrier includes a first magnet, which is located on a first surface of the AF carrier. The lens carrier includes: A second magnet is located on the first side surface of the lens carrier; and A third magnet is located on the second side surface of the lens carrier, opposite to the first side surface of the lens carrier.
8. The camera module according to claim 7, wherein, The second magnet and the third magnet are spaced apart in the first direction.
9. The camera module according to claim 7, wherein, The first magnet includes a plurality of first magnets, and the third magnet includes a plurality of third magnets.
10. A camera module, comprising: case; An autofocus (AF) carrier is configured to move within the housing along a first direction; The lens carrier is configured to move on the AF carrier along the first direction and a second direction perpendicular to the first direction; as well as The coupling frame, on the housing, The AF carrier includes a first magnet, which is located on a first surface of the AF carrier. The lens carrier includes: A second magnet is located on the first side surface of the lens carrier; and A third magnet is located on the second side surface of the lens carrier, opposite the first side surface of the lens carrier. The coupling frame includes a first coil, a second coil, and a third coil spaced apart from each other. Wherein, the first magnet overlaps with the first coil in a third direction perpendicular to the first direction and the second direction. The second magnet faces the second coil, and The third magnet faces the third coil.
11. The camera module according to claim 10, wherein, The housing also includes a first groove on the first surface of the housing and a first guide ball on the first groove. The AF carrier further includes a second groove on the first surface of the AF carrier and a second guide ball on the second groove. The first groove and the second groove extend in the first direction.
12. The camera module according to claim 10, wherein, The AF carrier further includes a third groove on the second surface of the AF carrier and a third guide ball on the third groove, and The third groove extends in the second direction.
13. The camera module according to claim 10, further comprising: An intermediate guide is located between the AF carrier and the lens carrier; The reflector bracket is located on the AF carrier. as well as The reflective component, on the reflective support, The lens carrier is located on the intermediate guide.
14. The camera module according to claim 13, wherein, The intermediate guide also includes a fourth groove on the first surface of the intermediate guide and a fourth guide ball on the fourth groove, and The fourth groove extends in the first direction.
15. A camera assembly module, comprising: case; Autofocus (AF) carrier, on the first surface of the housing; Lens carrier, on the AF carrier; A telephoto lens is mounted on the lens carrier; An intermediate guide is located between the AF carrier and the lens carrier; A coupling frame and a connecting base plate are located on the housing. as well as Image sensor, on the connection substrate, The housing includes: The first primary surface; and The first side surface, the second side surface, and the third side surface are connected to the first main surface. The coupling framework includes: Second primary surface; A fourth side surface and a fifth side surface are connected to the second main surface, and the fourth side surface and the fifth side surface are spaced apart in a first direction; The first coil is on the second main surface; The second coil is on the fourth side surface; and The third coil, on the fifth side surface Wherein, the angle formed by the second main surface and the fourth side surface and the angle formed by the second main surface and the fifth side surface are 90 degrees, and The intermediate guide is configured to move the lens carrier in a second direction perpendicular to the first direction.
16. The camera assembly module according to claim 15, wherein, The housing also includes a guide ball. The guide ball is configured to move the AF carrier in the second direction, and The AF carrier is configured to move the intermediate guide in the first direction.
17. The camera assembly module according to claim 15, wherein, The image sensor is a charge-coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) image sensor (CIS).
18. The camera assembly module according to claim 15, wherein, The first side surface and the second side surface of the housing are spaced apart in the first direction. Wherein, the third side surface connects the first side surface and the second side surface, and The first main surface, the first side surface, and the second side surface each include a first opening, a second opening, and a third opening, respectively.
19. The camera assembly module according to claim 18, wherein, The first coil is in the first opening. Wherein, the second coil is in the second opening, and The third coil is located in the third opening.
20. The camera assembly module according to claim 15, wherein, The second main surface, the fourth side surface, and the fifth side surface of the coupling frame are on the outer surface of the housing.
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KR1020240095787A