Imaging lens driving module, camera module and electronic device

Abstract

The utility model discloses an imaging lens driving module. The imaging lens driving module comprises a lens unit, a base, a shell, an automatic focusing driving assembly and a flexible element, the lens unit is accommodated in an internal space defined by the base and the housing and includes first and third rails parallel to the optical axis. The base includes second and fourth rails parallel to the optical axis. The first and second tracks receive a first ball. The third and fourth rails receive a second ball. The total number of the first balls and the second balls is at least three. The automatic focusing driving assembly is used for driving the lens unit to move relative to the base. The soft element is arranged between the lens unit and the base and / or the shell so as to reduce impact generated by collision between the lens unit and an adjacent element when the lens unit moves. One surface of each of the first and third tracks and two surfaces of each of the third and fourth tracks respectively have only one contact point with the first sphere or the second sphere. The utility model further discloses a camera module with the imaging lens driving module and an electronic device with the camera module.

Description

Technical Field

[0001] The utility model relates to an imaging lens driving module, a camera module and an electronic device, in particular to an imaging lens driving module and a camera module suitable for the electronic device. Background Art

[0002] As semiconductor process technology becomes more sophisticated, the performance of electronic photosensitive elements has been improved, and pixels can reach a smaller size. Therefore, optical lenses with high imaging quality have become an indispensable part. In addition, with the rapid development of technology, the application range of mobile devices equipped with optical lenses has become wider, and the requirements for optical lenses have also become more diverse.

[0003] However, in recent years, traditional optical lenses have been unable to meet the high optical quality requirements of electronic products under the diversified development. In particular, the movement stability of existing optical lenses during the focusing process may not be able to meet the increasingly stringent optical quality market requirements. Therefore, how to improve the mechanism used to move optical lenses to meet the current high-standard requirements for electronic devices has become an important issue in the relevant field. Utility Model Content

[0004] In view of the above-mentioned problems, the utility model provides an imaging lens driving module, a camera module and an electronic device, which are helpful to improve the movement stability of the optical lens during the focusing process.

[0005] The utility model provides an imaging lens driving module, which comprises a lens unit, a base, a housing, an autofocus driving assembly and at least one soft element. The lens unit has an optical axis, and the lens unit comprises a first track and a third track extending in a direction parallel to the optical axis, wherein the first track comprises a second surface, and the third track comprises a third surface. The lens unit is arranged relative to the base. The base comprises a second track and a fourth track extending in a direction parallel to the optical axis, wherein the second track comprises a fifth surface and a sixth surface, the sixth surface and the fifth surface are connected to each other and form an angle, and the fourth track comprises a seventh surface and an eighth surface, and the eighth surface and the seventh surface are connected to each other and form an angle. The housing is coupled with the base and jointly defines an internal space, and the internal space is used to accommodate the lens unit. The first track and the second track are correspondingly arranged to accommodate at least one first sphere, and the third track and the fourth track are correspondingly arranged to accommodate at least one second sphere, so as to provide the lens unit with a degree of freedom of movement in a direction parallel to the optical axis. The total number of the first sphere and the second sphere is at least three. The autofocus drive assembly is used to drive the lens unit to move relative to the base in a direction parallel to the optical axis. The autofocus drive assembly includes at least one magnet and at least one coil, the coil is arranged correspondingly facing the magnet, and one of the magnet and the coil is arranged on the lens unit. The soft element is arranged between the lens unit and the base and / or between the lens unit and the housing, and the soft element can be deformed to reduce the impact caused by the lens unit colliding with adjacent elements when moving in a direction parallel to the optical axis. Preferably, the movement trajectory of the center of the first sphere in a direction parallel to the first track is defined as a first ball axis, the movement trajectory of the center of the second sphere in a direction parallel to the third track is defined as a second ball axis, and a first connecting line connected between the first ball axis and the second ball axis in a direction perpendicular to the optical axis is defined. Preferably, the sixth surface is closer to the center point of the first connecting line than the fifth surface, and the seventh surface is closer to the center point of the first connecting line than the eighth surface. The second surface, the fifth surface and the sixth surface have only one contact point with the first sphere, and the third surface, the seventh surface and the eighth surface have only one contact point with the second sphere. The angle between the sixth surface and the seventh surface is θ 67 , and the angle between the fifth surface and the eighth surface is θ 58 , which satisfies the following conditions: |θ 67 -π|≤|θ 58 Preferably, the sixth surface and the seventh surface are parallel to each other.

[0006] The utility model further provides an imaging lens driving module, which comprises a lens unit, a base, a housing, an autofocus driving assembly and at least one soft element. The lens unit has an optical axis, and the lens unit comprises a first track and a third track extending in a direction parallel to the optical axis, wherein the first track comprises a second surface, and the third track comprises a third surface. The lens unit is arranged relative to the base. The base comprises a second track and a fourth track extending in a direction parallel to the optical axis, wherein the second track comprises a fifth surface and a sixth surface, the sixth surface and the fifth surface are connected to each other and form an angle, and the fourth track comprises a seventh surface and an eighth surface, and the eighth surface and the seventh surface are connected to each other and form an angle. The housing is coupled with the base and jointly defines an internal space, and the internal space is used to accommodate the lens unit. The first track and the second track are correspondingly arranged to accommodate at least one first sphere, and the third track and the fourth track are correspondingly arranged to accommodate at least one second sphere, so as to provide the lens unit with a degree of freedom of movement in a direction parallel to the optical axis. The total number of the first sphere and the second sphere is at least three. The autofocus drive assembly is used to drive the lens unit to move relative to the base in a direction parallel to the optical axis. The autofocus drive assembly includes at least one magnet and at least one coil, the coil is arranged facing the magnet, and one of the magnet and the coil is arranged on the lens unit. The soft element is arranged between the lens unit and the base and / or between the lens unit and the housing, and the soft element can be deformed to reduce the impact caused by the lens unit colliding with adjacent elements when moving in a direction parallel to the optical axis. The second surface, the fifth surface and the sixth surface each have only one contact point with the first sphere, and the third surface, the seventh surface and the eighth surface each have only one contact point with the second sphere. The angle between the sixth surface and the seventh surface is θ 67 , and the angle between the fifth surface and the eighth surface is θ 58 , which satisfies the following conditions: |θ 67 -π|≤|θ 58 -π|.

[0007] The utility model provides a camera module, which comprises the aforementioned imaging lens driving module and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on an imaging surface of the imaging lens driving module.

[0008] The utility model provides an electronic device, which comprises the aforementioned camera module.

[0009] According to the imaging lens drive module, camera module and electronic device disclosed by the utility model, by disposing a soft element between the lens unit and the base and / or between the lens unit and the housing, the impact caused by the collision between the lens unit and the adjacent elements can be reduced, the stability of the lens unit can be ensured, and the life of the lens unit can be increased. In addition, by the engagement of each track and each ball, the stability of the lens unit during autofocus movement can be ensured to improve the imaging quality.

[0010] The above description of the content of the utility model and the following description of the implementation mode are used to demonstrate and explain the principle of the utility model and provide further explanation of the claims of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 FIG. 4 is a top view of a camera module according to a first embodiment of the present invention.

[0012] Figure 2 Draw Figure 1 Schematic side view of a camera module.

[0013] Figure 3 Draw Figure 1 An exploded diagram of the camera module.

[0014] Figure 4 Draw Figure 1 Another exploded diagram of the camera module.

[0015] Figure 5 Draw Figure 1 A schematic cross-sectional view of the camera module along section line 5-5.

[0016] Figure 6 Draw Figure 2 A schematic cross-sectional view of the camera module along section line 6-6.

[0017] Figure 7 Draw Figure 1 Schematic diagram of a top view of the camera module with the housing omitted and rotated.

[0018] Figure 8 Draw Figure 7 An enlarged schematic diagram of area EL1.

[0019] Fig. 9 Draw Figure 7 Schematic diagram of the positional relationship between the track and the sphere in the camera module.

[0020] Fig.10 FIG. 4 is a top view of a camera module according to a second embodiment of the present invention.

[0021] Fig.11 Draw Fig.10Schematic side view of a camera module.

[0022] Fig.12 Draw Fig.10 An exploded diagram of the camera module.

[0023] Fig.13 Draw Fig.10 Another exploded diagram of the camera module.

[0024] Fig.14 Draw Fig.10 Yet another exploded schematic diagram of a camera module.

[0025] Fig.15 Draw Fig.10 A schematic cross-sectional view of the camera module along section line 15-15.

[0026] Fig.16 Draw Fig.11 A schematic cross-sectional view of the camera module along section line 16-16.

[0027] Fig.17 Draw Fig.10 Schematic diagram of a top view of the camera module with the housing omitted and rotated.

[0028] Fig.18 Draw Fig.17 Schematic diagram of the positional relationship between the track in the camera module and the sphere.

[0029] Fig.19 Draw Fig.10 A top view schematic diagram of the flexible printed circuit board, autofocus drive component and base in the camera module.

[0030] Fig. 20 A schematic top view of a flexible printed circuit board, an auto-focus driving component and a base in a camera module according to a first exemplary embodiment of the present invention is shown.

[0031] Fig.21 A schematic top view of a flexible printed circuit board, an auto-focus driving component and a base in a camera module according to a second exemplary embodiment of the present invention is shown.

[0032] Fig. 22 A three-dimensional schematic diagram of a flexible circuit board, an auto-focus driving component and a base in a camera module according to a third exemplary embodiment of the present invention is shown.

[0033] Fig.23 Draw Fig. 22 A top view schematic diagram of the flexible printed circuit board, autofocus drive component and base in the camera module.

[0034] Fig.24A three-dimensional schematic diagram of one side of an electronic device according to a third embodiment of the present invention is shown.

[0035] Fig.25 Draw Fig.24 A three-dimensional schematic diagram of the other side of the electronic device.

[0036] Fig.26 A schematic diagram illustrating capturing an image using an ultra-wide-angle camera module is shown.

[0037] Fig. 27 A schematic diagram showing the process of capturing an image using a high-pixel camera module is shown.

[0038] Fig.28 A schematic diagram illustrating capturing an image using a telephoto camera module is shown.

[0039] Fig.29 A three-dimensional schematic diagram of one side of an electronic device according to a fourth embodiment of the present invention is shown.

[0040] Fig.30 A three-dimensional schematic diagram of an electronic device according to a fifth embodiment of the present invention is shown.

[0041] Fig.31 Draw Fig.30 A schematic side view of an electronic device.

[0042] Fig.32 Draw Fig.30 A schematic top view of an electronic device.

[0043]

Explanation of symbols

[0044] 9,9b: Camera module

[0045] 8,8b: Electronic photosensitive element

[0046] IMG: Imaging surface

[0047] 1,1b: Imaging lens driver module

[0048] 11,11b: Lens unit

[0049] 111,111b: First track

[0050] 122,122b: Second track

[0051] 113,113b: The third track

[0052] 124,124b: The fourth track

[0053] 12,12b: Base

[0054] 13,13b: Shell

[0055] 14,14b:Autofocus drive assembly

[0056] 141,141b:Magnet

[0057] 142,142b: Coil

[0058] 15,15b:Soft components

[0059] 17b: Flexible printed circuit board

[0060] 18: Circuit Board

[0061] M1, M2, M3: winding lines

[0062] UL1,UL2,UL3,UL4: Rotating part

[0063] SL1,SL2,SL4: Straight line

[0064] F4: Fold lines

[0065] G1: Gap

[0066] C1: Contact point

[0067] OL: Optical axis

[0068] B1: First Sphere

[0069] B2: Second Sphere

[0070] A1: First ball axis

[0071] A2: Second ball axis

[0072] L1: First connection line

[0073] L2: Second connection line

[0074] L3: The third connection line

[0075] L4: The fourth connection line

[0076] P1: Center point

[0077] P2: Eccentric point

[0078] S1, S1b: first surface

[0079] S2, S2b: Second surface

[0080] S3, S3b: The third surface

[0081] S4, S4b: fourth surface

[0082] S5, S5b: Fifth surface

[0083] S6, S6b: Sixth surface

[0084] S7, S7b: Seventh surface

[0085] S8, S8b: Eighth surface

[0086] θ 56 : The angle between the fifth surface and the sixth surface

[0087] θ 58 : The angle between the fifth surface and the eighth surface

[0088] θ 67 : The angle between the sixth surface and the seventh surface

[0089] θ 78 : The angle between the seventh surface and the eighth surface

[0090] θa: Angle between the third connecting line and the first connecting line

[0091] θb: Angle between the third connecting line and the fourth connecting line

[0092] d1: The distance between the center point of the first connecting line and the second spherical axis

[0093] d2: The distance between the eccentric point and the second spherical axis

[0094] 200,300,400: Electronic devices

[0095] 201,301: Flash module

[0096] 202: Focus assist module

[0097] 203: Image Signal Processor

[0098] 204: Display module

[0099] 200a,200b,200c,200d,300a,300b,300c,300d,300e,300f,300g,300h,300i,401: Camera module DETAILED DESCRIPTION

[0100] The detailed features and advantages of the present invention are described in detail in the following embodiments, and the contents are sufficient to enable any person skilled in the art to understand the technical content of the present invention and implement it accordingly. According to the contents disclosed in this specification, the claims and the drawings, any person skilled in the art can easily understand the relevant purposes and advantages of the present invention. The following examples further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention in any way.

[0101] The utility model provides an imaging lens driving module, which comprises a lens unit, a base, a shell, an automatic focusing driving component and at least one soft element.

[0102] The lens unit is arranged relative to the base. The housing and the base are coupled and jointly define an inner space, and the inner space is used to accommodate the lens unit.

[0103] The lens unit has an optical axis, and the lens unit includes a first track and a third track extending in a direction parallel to the optical axis, wherein the first track includes a second surface, and the third track includes a third surface. The base includes a second track and a fourth track extending in a direction parallel to the optical axis, wherein the second track includes a fifth surface and a sixth surface, the sixth surface and the fifth surface are connected to each other and form an angle, and the fourth track includes a seventh surface and an eighth surface, and the eighth surface and the seventh surface are connected to each other and form an angle.

[0104] The first track and the second track are correspondingly arranged to accommodate at least one first sphere, and the third track and the fourth track are correspondingly arranged to accommodate at least one second sphere, so as to provide the lens unit with a degree of freedom of movement along a direction parallel to the optical axis. That is to say, the first track and the second track are arranged correspondingly to each other, and the third track and the fourth track are arranged correspondingly to each other, so as to form two internal spaces, respectively used to accommodate the first sphere and the second sphere. Among them, the total number of the first sphere and the second sphere is at least three. For example, in one embodiment of the utility model, when at least two first spheres and at least two second spheres are respectively arranged, the stability of the lens unit during movement can be improved. However, in another embodiment of the utility model, when the overall space of the imaging lens driving module is limited, the number of one of the first sphere and the second sphere can also be changed to one, and the number of the other can be at least two, but the utility model is not limited thereto.

[0105] The autofocus drive assembly is used to drive the lens unit to move relative to the base in a direction parallel to the optical axis. In detail, the autofocus drive assembly includes at least one magnet and at least one coil, wherein the coil is arranged correspondingly facing the magnet, and one of the magnet and the coil is arranged on the lens unit. For example, in one embodiment of the present invention, one of the magnet and the coil is arranged on the lens unit, and the other is arranged on the base. In addition, the present invention is not limited to the number of magnets and coils. For example, in one embodiment of the present invention, the number of magnets and the number of coils are both single, and the single coil is arranged correspondingly facing the single magnet. In another embodiment of the present invention, the number of magnets and the number of coils are both multiple and corresponding, and these coils are respectively arranged correspondingly facing these magnets.

[0106] The soft element is disposed between the lens unit and the base and / or between the lens unit and the housing, and the soft element can be deformed to reduce the impact caused by the lens unit colliding with adjacent elements when moving in a direction parallel to the optical axis. The material of the soft element can be, for example, rubber or silicone, but the utility model is not limited thereto. The soft element is disposed between the lens unit and the base and / or between the lens unit and the housing, which can refer to the soft element being disposed between the lens unit and the base and between the lens unit and the housing.

[0107] The second surface of the first track and the fifth and sixth surfaces of the second track respectively have only one contact point with the first sphere, and the third surface of the third track and the seventh and eighth surfaces of the fourth track respectively have only one contact point with the second sphere.

[0108] The angle between the sixth surface and the seventh surface is θ 67 , and the angle between the fifth surface and the eighth surface is θ 58 , which satisfies the following conditions: |θ 67 -π|≤|θ 58 -π|. Please refer to Fig. 9 , which shows the parameter θ according to the first embodiment of the utility model 58 and θ 67 Schematic diagram of .

[0109] According to the imaging lens driving module disclosed in the utility model, by disposing a soft element between the lens unit and the base and / or between the lens unit and the housing, the impact caused by the collision between the lens unit and the adjacent elements can be reduced, the stability of the lens unit can be ensured, and the life of the lens unit can be increased. In addition, by the engagement of each track and each ball, the stability of the lens unit during autofocus movement can be ensured to improve the imaging quality.

[0110] The moving trajectory of the center of the first sphere along the direction parallel to the first track is defined as a first spherical axis, the moving trajectory of the center of the second sphere along the direction parallel to the third track is defined as a second spherical axis, and a first connecting line connecting the first spherical axis and the second spherical axis in the direction perpendicular to the optical axis is defined. The first spherical axis and the second spherical axis are two different spherical axes and are both substantially parallel to the optical axis. The two spherical axes are both substantially parallel to the optical axis, which means that the inclination angle of each of the two spherical axes relative to the optical axis does not exceed 3 degrees. Please refer to Figure 5 and Figure 7 , which respectively illustrate schematic diagrams of the first ball axis A1, the second ball axis A2 and the first connecting line L1 according to the first embodiment of the utility model.

[0111] The sixth surface may be closer to a center point of the first connection line than the fifth surface, and the seventh surface may be closer to the center point of the first connection line than the eighth surface. In addition, the sixth surface and the seventh surface may be parallel to each other. The sixth surface and the seventh surface are parallel to each other, which may mean that the sixth surface and the seventh surface are substantially parallel to each other, and the inclination angle of the two surfaces relative to each other does not exceed 3 degrees. Please refer to Figure 7 and Fig. 9 , which respectively illustrate the positional relationship between the center point P1 of the first connecting line L1 and the fifth surface S5, the sixth surface S6, the seventh surface S7 and the eighth surface S8 according to the first embodiment of the present invention.

[0112] In one embodiment of the present invention, the flexible element can be coupled to the base, and the flexible element can face the lens unit. Thus, the configuration of the flexible element can reduce the impact caused by the collision between the lens unit and the adjacent elements, ensure the stability of the lens unit, and increase the life of the lens unit. The flexible element is coupled to the base and can be used as a buffer between the base and the lens unit.

[0113] In one embodiment of the present invention, the flexible element can be coupled to the lens unit, and the flexible element can face the housing. Thus, by configuring the flexible element, the impact caused by the collision between the lens unit and the adjacent element can be reduced, the stability of the lens unit can be ensured, and the life of the lens unit can be increased. The flexible element is coupled to the lens unit and can be used as a buffer between the lens unit and the housing.

[0114] The flexible element may include at least two flexible elements, and the at least two flexible elements may be respectively arranged between the lens unit and the base and between the lens unit and the housing. Thus, by configuring the flexible elements, the impact caused by the collision between the lens unit and the adjacent elements can be reduced, the stability of the lens unit can be ensured, and the life of the lens unit can be increased. The flexible elements are arranged between the lens unit and the base and between the lens unit and the housing, which can be used to reduce the impact caused by the collision between the lens unit and the base and the housing when the lens unit moves in the optical axis direction.

[0115] The total number of flexible components can be eight. Thus, the appropriate number of flexible components can reduce the impact caused by the collision between the lens unit and adjacent components, thereby ensuring the stability of the lens unit and increasing the life of the lens unit.

[0116] In one embodiment of the utility model, the magnet can be arranged on the lens unit, the coil can be arranged on the base, and the coil and the magnet are arranged correspondingly. In this way, it can be ensured that the magnet and the coil are arranged in an ideal driving position, and it helps to increase the design margin of the autofocus driving component. Through the above configuration, the magnet can move with the movable lens unit in a direction parallel to the optical axis, while the coil is fixed on the base.

[0117] In one embodiment of the present invention, the coil can be arranged on the lens unit, the magnet can be arranged on the base, and the magnet and the coil are arranged correspondingly. In this way, the coil and the magnet can be arranged at an ideal driving position, and it is helpful to increase the design margin of the autofocus driving assembly. Through the above configuration, the coil can move with the movable lens unit in a direction parallel to the optical axis, and the magnet is fixed on the base.

[0118] The imaging lens driving module of the utility model may further include a flexible circuit board, and the flexible circuit board may be coupled to the lens unit. Thus, through the bendable characteristics of the flexible circuit board, it has an elastic margin sufficient to follow the automatic focusing movement of the lens unit, thereby meeting the driving requirements in various directions. Among them, the flexible circuit board can be moved along the optical axis direction with the lens unit through appropriate routing design.

[0119] In one embodiment of the present invention, the coil may be disposed on a flexible printed circuit, and the flexible printed circuit may include a meandering circuit having an overlapping portion in a direction perpendicular to the optical axis. In this way, the design margin of the flexible printed circuit may be increased to be sufficient to meet the driving needs in various directions. The flexible printed circuit may move along with the lens unit during the autofocus process, so the elastic margin may be increased by the meandering circuit, but the present invention is not limited thereto.

[0120] In one embodiment of the present invention, the coil may be disposed on a flexible printed circuit, and the flexible printed circuit may include a folded circuit having an overlapping portion in a direction parallel to the optical axis. In this way, the design margin of the flexible printed circuit may be increased to be sufficient to meet the driving needs in various directions. The flexible printed circuit may move along with the lens unit during the autofocus process, so its elastic margin may be increased by folding the circuit, but the present invention is not limited thereto.

[0121] The at least one first sphere may include at least two first spheres, and the at least one second sphere may include at least two second spheres. That is, the number of first spheres may be at least two, and the number of second spheres may be at least two. Thus, an appropriate number of spheres can improve the stability of the lens unit when it moves.

[0122] According to the imaging lens driving module disclosed in the utility model, a second connecting line is defined which is orthogonal to and intersects the optical axis and the first connecting line at the same time and is connected between the optical axis and the first connecting line, and the intersection of the first connecting line and the second connecting line is an eccentric point. The distance between the center point of the first connecting line and the second spherical axis is d1, and the distance between the eccentric point and the second spherical axis is d2, which can satisfy the following conditions: 1.1≤d1 / d2<4.9. Thus, the imaging lens driving module can be set in the corner of the mobile phone screen through the eccentric design, which helps to improve the space utilization inside the mobile phone. Among them, the eccentric point and the center point are two points in different positions, and the eccentric point is closer to the spherical axis on one side. Please refer to Figure 7 , which shows a schematic diagram of the first connecting line L1 and its center point P1, the second connecting line L2, the eccentric point P2, and the parameters d1 and d2 in the first embodiment of the utility model.

[0123] According to the imaging lens driving module disclosed in the utility model, a third connecting line connected between the center of the flexible element and the center point of the first connecting line is defined, and a fourth connecting line is defined which is orthogonal and intersects the optical axis and is connected between the optical axis and the center point of the first connecting line. The angle between the third connecting line and the first connecting line is θa, and the angle between the third connecting line and the fourth connecting line is θb, which can satisfy the following condition: θa+θb≠90 degrees. Thus, the imaging lens driving module can be set in the corner of the mobile phone screen through the eccentric design, which helps to improve the space utilization inside the mobile phone. To further explain, θa can also refer to the angle between the first connecting line and the third connecting line located between the center point and the spherical axis farther away from the eccentric point in a direction parallel to the first connecting line. Please refer to Figure 7 , which shows a schematic diagram of the first connection line L1 and its center point P1 , the third connection line L3 , the fourth connection line L4 , and parameters θa and θb in the first embodiment of the present invention.

[0124] The angle between the fifth surface and the sixth surface of the second track is θ 56 , which can satisfy the following conditions: π / 2≤θ 56 <π. In this way, the design margin of the track can be increased to be sufficient to adapt to various types of driving methods. Among them, the following conditions can also be met: 98 degrees ≤ θ 56 <π. The fifth surface and the sixth surface may form a sharp angle or a rounded angle, but the present invention is not limited thereto. Fig. 9 , which shows the parameter θ according to the first embodiment of the utility model 56 Schematic diagram of .

[0125] The angle between the seventh surface and the eighth surface of the fourth track is θ 78 , which can satisfy the following conditions: π / 2≤θ78 <π. In this way, the design margin of the track can be increased to be sufficient to adapt to various types of driving methods. Among them, the following conditions can also be met: 98 degrees ≤ θ 78 <π. The seventh surface and the eighth surface may form a sharp angle or a rounded angle, but the present invention is not limited thereto. Fig. 9 , which shows the parameter θ according to the first embodiment of the utility model 78 Schematic diagram of .

[0126] The first track may further include a first surface, and the first surface and the second surface may be connected to each other and form an angle. In addition, the third track may further include a fourth surface, and the fourth surface and the third surface may be connected to each other and form an angle. There may be a gap between the first surface and the first sphere and / or there may be a gap between the fourth surface and the second sphere; that is, there may be a gap between the first surface and the first sphere and between the fourth surface and the second sphere. The first surface and the sixth surface may be parallel to each other, and the fourth surface and the seventh surface may be parallel to each other. In this way, the gap can be used as a manufacturing precision adjustment requirement to improve mass production. In one embodiment of the present invention, there may be a gap between the first surface and the first sphere, and there may also be a gap between the fourth surface and the second sphere, but the present invention is not limited thereto.

[0127] The utility model provides a camera module, which comprises an electronic photosensitive element and the aforementioned imaging lens driving module, wherein the electronic photosensitive element is arranged on an imaging surface of the imaging lens driving module.

[0128] The utility model provides an electronic device, which comprises the aforementioned camera module.

[0129] The various technical features of the imaging lens driving module disclosed in the present invention can be configured in combination to achieve corresponding effects.

[0130] According to the above implementation modes, specific embodiments are proposed below and described in detail with reference to the accompanying drawings.

[0131] <First Embodiment>

[0132] Please refer to Figures 1 to 9 ,in Figure 1 FIG. 1 is a top view schematic diagram of a camera module according to a first embodiment of the present invention. Figure 2 Draw Figure 1 A side view schematic diagram of a camera module, Figure 3 Draw Figure 1 An exploded diagram of the camera module. Figure 4 Draw Figure 1 Another exploded view of the camera module, Figure 5 Draw Figure 1 A schematic cross-sectional view of the camera module along section line 5-5, Figure 6 Draw Figure 2 A schematic cross-sectional view of the camera module along section line 6-6, Figure 7 Draw Figure 1 A top view of the camera module with the housing omitted after being rotated. Figure 8 Draw Figure 7 is an enlarged schematic diagram of the area EL1, and Fig. 9 Draw Figure 7 Schematic diagram of the positional relationship between the track and the sphere in the camera module.

[0133] The camera module 9 of the present embodiment includes an imaging lens driving module 1 and an electronic photosensitive element 8 , wherein the electronic photosensitive element 8 is disposed on an imaging surface IMG of the imaging lens driving module 1 .

[0134] The imaging lens driving module 1 includes a lens unit 11 , a base 12 , a housing 13 , an auto-focus driving assembly 14 and eight flexible components 15 .

[0135] The lens unit 11 is disposed relative to the base 12 . The housing 13 is coupled to the base 12 and defines an inner space (not shown) for accommodating the lens unit 11 .

[0136] The lens unit 11 has an optical axis OL, and includes a first track 111 and a third track 113 extending in a direction parallel to the optical axis OL. Figure 8 and Fig. 9 As shown, the first track 111 includes a first surface S1 and a second surface S2, and the second surface S2 and the first surface S1 are connected to each other and form an angle. The third track 113 includes a third surface S3 and a fourth surface S4, and the fourth surface S4 and the third surface S3 are connected to each other and form an angle.

[0137] The base 12 includes a second track 122 and a fourth track 124 extending in a direction parallel to the optical axis OL. Figure 8 and Fig. 9 As shown, the second track 122 includes a fifth surface S5 and a sixth surface S6, and the sixth surface S6 and the fifth surface S5 are connected to each other and form an angle. The fourth track 124 includes a seventh surface S7 and an eighth surface S8, and the eighth surface S8 and the seventh surface S7 are connected to each other and form an angle.

[0138] The first track 111 and the second track 122 are correspondingly arranged to accommodate three first balls B1 , and the third track 113 and the fourth track 124 are correspondingly arranged to accommodate three second balls B2 , so as to provide the lens unit 11 with a degree of freedom of movement along a direction parallel to the optical axis OL.

[0139] like Figures 7 to 9 As shown, there is a gap G1 between the first surface S1 and the first sphere B1, and there is a gap G1 between the fourth surface S4 and the second sphere B2. In addition, the first surface S1 of the first track 111 and the sixth surface S6 of the second track 122 are parallel to each other, the fourth surface S4 of the third track 113 and the seventh surface S7 of the fourth track 124 are parallel to each other, and the sixth surface S6 of the second track 122 and the seventh surface S7 of the fourth track 124 are parallel to each other.

[0140] like Fig. 9 As shown, each of the first spheres B1 has only one contact point C1 with the second surface S2 , the fifth surface S5 , and the sixth surface S6 , and each of the second spheres B2 has only one contact point C1 with the third surface S3 , the seventh surface S7 , and the eighth surface S8 .

[0141] The angle between the sixth surface S6 and the seventh surface S7 is θ 67 , and the angle between the fifth surface S5 and the eighth surface S8 is θ 58 , which satisfies the following conditions: 67 =180 degrees; θ 58 = 60 degrees; and |θ 67 -π|<|θ 58 -π|.

[0142] The angle between the fifth surface S5 and the sixth surface S6 is θ 56 , which satisfies the following conditions: 56 =120 degrees.

[0143] The angle between the seventh surface S7 and the eighth surface S8 is θ 78 , which satisfies the following conditions: 78 =120 degrees.

[0144] like Figure 5 and Figure 7 As shown, the moving trajectory of the center of the first sphere B1 in the direction parallel to the first track 111 is defined as a first spherical axis A1, and the moving trajectory of the center of the second sphere B2 in the direction parallel to the third track 113 is defined as a second spherical axis A2. In addition, a first connecting line L1 connected between the first spherical axis A1 and the second spherical axis A2 in the direction perpendicular to the optical axis OL is defined, and a second connecting line L2 is defined that is orthogonal to and intersects the optical axis OL and the first connecting line L1 and is connected between the optical axis OL and the first connecting line L1.

[0145] According to the above definition, the sixth surface S6 is closer to a center point P1 of the first connecting line L1 than the fifth surface S5, and the seventh surface S7 is closer to the center point P1 of the first connecting line L1 than the eighth surface S8. In addition, the intersection of the first connecting line L1 and the second connecting line L2 is an eccentric point P2, wherein the eccentric point P2 is closer to the second spherical axis A2 (that is, the distance between the eccentric point P2 and the first spherical axis A1 is greater than the distance between the eccentric point P2 and the second spherical axis A2).

[0146] In addition, the distance between the center point P1 of the first connecting line L1 and the second spherical axis A2 is d1, and the distance between the eccentric point P2 and the second spherical axis A2 is d2, which satisfies the following conditions: d1 = 3.01 millimeters (mm); d2 = 2.38 mm; and d1 / d2 = 1.26.

[0147] The auto-focus driving assembly 14 is used to drive the lens unit 11 to move relative to the base 12 along a direction parallel to the optical axis OL. In detail, the auto-focus driving assembly 14 includes a magnet 141 and a coil 142, and the coil 142 is disposed correspondingly facing the magnet 141. The magnet 141 is disposed on the lens unit 11, and the coil 142 is disposed on the base 12. In this embodiment, the coil 142 is disposed on the base 12, for example, by a circuit board 18 attached to the base 12.

[0148] Among these flexible elements 15, four of the flexible elements 15 are disposed between the lens unit 11 and the base 12, and the other four of the flexible elements 15 are disposed between the lens unit 11 and the housing 13, so as to reduce the impact caused by the lens unit 11 colliding with adjacent elements when the lens unit 11 moves in a direction parallel to the optical axis OL. In this embodiment, the flexible element 15 disposed between the lens unit 11 and the base 12 is coupled with the base 12 and faces the lens unit 11, while the flexible element 15 disposed between the lens unit 11 and the housing 13 is coupled with the lens unit 11 and faces the housing 13.

[0149] Furthermore, if Figure 7 As shown, a third connecting line L3 connected between the center of the flexible element 15 and the center point P1 of the first connecting line L1 is defined, and a fourth connecting line L4 is defined which is orthogonal and intersects the optical axis OL and is connected between the optical axis OL and the center point P1 of the first connecting line L1. The angle between the third connecting line L3 and the first connecting line L1 is θa, and the angle between the third connecting line L3 and the fourth connecting line L4 is θb, which satisfies the following conditions: θa = 23 degrees; θb = 78 degrees; and θa + θb = 101 degrees.

[0150] <Second Embodiment>

[0151] Please refer to Figures 10 to 18 ,in Fig.10FIG. 1 is a top view schematic diagram of a camera module according to a second embodiment of the present invention. Fig.11 Draw Fig.10 A side view schematic diagram of a camera module, Fig.12 Draw Fig.10 An exploded diagram of the camera module. Fig.13 Draw Fig.10 Another exploded view of the camera module, Fig.14 Draw Fig.10 Yet another exploded schematic diagram of a camera module, Fig.15 Draw Fig.10 A schematic cross-sectional view of the camera module along section line 15-15, Fig.16 Draw Fig.11 A schematic cross-sectional view of the camera module along section line 16-16, Fig.17 Draw Fig.10 A top view of the camera module with the housing omitted and rotated, and Fig.18 Draw Fig.17 Schematic diagram of the positional relationship between the track in the camera module and the sphere.

[0152] The camera module 9b of the present embodiment includes an imaging lens driving module 1b and an electronic photosensitive element 8b, wherein the electronic photosensitive element 8b is disposed on an imaging surface IMG of the imaging lens driving module 1b.

[0153] The imaging lens driving module 1b includes a lens unit 11b, a base 12b, a housing 13b, an auto-focus driving assembly 14b, eight flexible components 15b and a flexible circuit board 17b.

[0154] The lens unit 11b is disposed relative to the base 12b. The housing 13b is coupled to the base 12b and defines an inner space (not shown) together. The inner space is used to accommodate the lens unit 11b.

[0155] The lens unit 11b has an optical axis OL, and includes a first track 111b and a third track 113b extending in a direction parallel to the optical axis OL. Fig.18 As shown, the first track 111b includes a first surface S1b and a second surface S2b, and the second surface S2b and the first surface S1b are connected to each other and form an angle. The third track 113b includes a third surface S3b and a fourth surface S4b, and the fourth surface S4b and the third surface S3b are connected to each other and form an angle.

[0156] The base 12b includes a second track 122b and a fourth track 124b extending in a direction parallel to the optical axis OL. Fig.18As shown, the second track 122b includes a fifth surface S5b and a sixth surface S6b, and the sixth surface S6b and the fifth surface S5b are connected to each other and form an angle. The fourth track 124b includes a seventh surface S7b and an eighth surface S8b, and the eighth surface S8b and the seventh surface S7b are connected to each other and form an angle.

[0157] The first track 111b and the second track 122b are correspondingly arranged to accommodate three first balls B1, and the third track 113b and the fourth track 124b are correspondingly arranged to accommodate three second balls B2, so as to provide the lens unit 11b with a degree of freedom of movement along a direction parallel to the optical axis OL.

[0158] like Fig.17 and Fig.18 As shown, the first surface S1b of the first track 111b and the sixth surface S6b of the second track 122b are parallel to each other, the fourth surface S4b of the third track 113b and the seventh surface S7b of the fourth track 124b are parallel to each other, and the sixth surface S6b of the second track 122b and the seventh surface S7b of the fourth track 124b are parallel to each other.

[0159] like Fig.18 As shown, each of the first spheres B1 has only one contact point C1 with the second surface S2b, the fifth surface S5b and the sixth surface S6b, and each of the second spheres B2 has only one contact point C1 with the third surface S3b, the seventh surface S7b and the eighth surface S8b.

[0160] The angle between the sixth surface S6b and the seventh surface S7b is θ 67 , and the angle between the fifth surface S5b and the eighth surface S8b is θ 58 , which satisfies the following conditions: 67 =180 degrees; θ 58 = 180 degrees; and |θ 67 -π|=|θ 58 In this embodiment, the sixth surface S6b and the seventh surface S7b are parallel to each other, so the angle θ between the sixth surface S6b and the seventh surface S7b is 67 The fifth surface S5b and the eighth surface S8b are parallel to each other, so the angle θ between the fifth surface S5b and the eighth surface S8b is 58 is 180 degrees.

[0161] The angle between the fifth surface S5b and the sixth surface S6b is θ 56 , which satisfies the following conditions: 56 =90 degrees.

[0162] The angle between the seventh surface S7b and the eighth surface S8b is θ78 , which satisfies the following conditions: 78 =90 degrees.

[0163] like Fig.15 and Fig.17 As shown, the moving track of the center of the first sphere B1 in the direction parallel to the first track 111b is defined as a first spherical axis A1, and the moving track of the center of the second sphere B2 in the direction parallel to the third track 113b is defined as a second spherical axis A2. In addition, a first connecting line L1 connected between the first spherical axis A1 and the second spherical axis A2 in the direction perpendicular to the optical axis OL is defined, and a second connecting line L2 is defined that is orthogonal to and intersects the optical axis OL and the first connecting line L1 and is connected between the optical axis OL and the first connecting line L1.

[0164] According to the above definition, the sixth surface S6b is closer to a center point P1 of the first connection line L1 than the fifth surface S5b, and the seventh surface S7b is closer to the center point P1 of the first connection line L1 than the eighth surface S8b. In addition, the intersection of the first connection line L1 and the second connection line L2 is an eccentric point P2, wherein the eccentric point P2 is closer to the second spherical axis A2 (that is, the distance between the eccentric point P2 and the first spherical axis A1 is greater than the distance between the eccentric point P2 and the second spherical axis A2).

[0165] In addition, the distance between the center point P1 of the first connecting line L1 and the second spherical axis A2 is d1, and the distance between the eccentric point P2 and the second spherical axis A2 is d2, which satisfies the following conditions: d1 = 3.01 mm; d2 = 2.38 mm; and d1 / d2 = 1.26.

[0166] The auto-focus driving component 14b is used to drive the lens unit 11b to move relative to the base 12b along a direction parallel to the optical axis OL. In detail, the auto-focus driving component 14b includes a magnet 141b and a coil 142b, and the coil 142b is arranged corresponding to the magnet 141b. The coil 142b is arranged on the lens unit 11b, and the magnet 141b is arranged on the base 12b.

[0167] Among these flexible elements 15b, four of the flexible elements 15b are disposed between the lens unit 11b and the base 12b, and the other four flexible elements 15b are disposed between the lens unit 11b and the housing 13b, so as to reduce the impact caused by the lens unit 11b colliding with adjacent elements when the lens unit 11b moves in a direction parallel to the optical axis OL. In this embodiment, the flexible element 15b disposed between the lens unit 11b and the base 12b is coupled with the base 12b and faces the lens unit 11b, while the flexible element 15b disposed between the lens unit 11b and the housing 13b is coupled with the lens unit 11b and faces the housing 13b.

[0168] Furthermore, if Fig.17 As shown, a third connecting line L3 connected between the center of the flexible element 15b and the center point P1 of the first connecting line L1 is defined, and a fourth connecting line L4 is defined which is orthogonal and intersects the optical axis OL and is connected between the optical axis OL and the center point P1 of the first connecting line L1. The angle between the third connecting line L3 and the first connecting line L1 is θa, and the angle between the third connecting line L3 and the fourth connecting line L4 is θb, which satisfies the following conditions: θa = 23 degrees; θb = 78 degrees; and θa + θb = 101 degrees.

[0169] The flexible circuit board 17b is coupled to the lens unit 11b, and the coil 142b is disposed on the flexible circuit board 17b. That is, in the present embodiment, the coil 142b is disposed on the lens unit 11b by being coupled to the flexible circuit board 17b of the lens unit 11b.

[0170] like Fig.14 Please refer to Fig.19 ,in Fig.19 Draw Fig.10 In the second embodiment, the flexible circuit board 17b includes a meandering line M1 with overlapping parts in a direction perpendicular to the optical axis OL, and the flexible circuit board 17b includes a meandering line M1 with overlapping parts in a direction perpendicular to the optical axis OL. Fig.19 From the perspective of FIG. 1 , the meandering line M1 has at least four turning portions UL1 on a plane perpendicular to the optical axis OL, and has a plurality of straight portions SL1 extending in at least two mutually perpendicular directions between the turning portions UL1. However, the present invention does not Fig.19 For example, please refer to Fig. 20 and Fig.21 , schematic top views of the flexible circuit board, the autofocus driving assembly and the base in the camera module of the first exemplary embodiment and the second exemplary embodiment of the utility model are respectively shown. Fig. 20 and Fig.21 The flexible circuit board 17b, the auto-focus driving component 14b and the base 12b shown in the figure are the same as those described above. Figures 10 to 19 The flexible circuit board 17b, the auto-focus driving assembly 14b are similar to the base 12b, and the same or similar reference numerals are used to represent the same or similar components. The functions and effects of each component are the same as those described above and will not be repeated here.

[0171] exist Fig. 20 In the first exemplary embodiment, the meandering line M2 of the flexible printed circuit board 17b has an overlapping portion in a direction perpendicular to the optical axis OL. Fig. 20From the perspective of FIG. 1 , the meandering line M2 has at least eight curved turns UL2 on a plane perpendicular to the optical axis OL, and has a plurality of straight line portions SL2 extending in a direction inclined relative to the coil 142 b between the turns UL2 .

[0172] exist Fig.21 In the second exemplary embodiment, the meandering line M3 of the flexible printed circuit board 17b has an overlapping portion in a direction perpendicular to the optical axis OL, and Fig.21 From a perspective of FIG. 1 , the meandering line M3 has at least two bending turns UL3 on a plane perpendicular to the optical axis OL, and a curvature radius of one of the bending turns UL3 is greater than a curvature radius of another bending turn UL3 .

[0173] For another example, please refer to Fig. 22 and Fig.23 ,in Fig. 22 A three-dimensional schematic diagram of a flexible circuit board, an autofocus driving component and a base in a camera module according to a third exemplary embodiment of the present invention is shown, and Fig.23 Draw Fig. 22 A top view schematic diagram of the flexible printed circuit board, autofocus drive component and base in the camera module. Fig. 22 and Fig.23 The flexible circuit board 17b, the auto-focus driving component 14b and the base 12b shown in the figure are the same as those described above. Figures 10 to 19 The flexible circuit board 17b, the auto-focus driving assembly 14b are similar to the base 12b, and the same or similar reference numerals are used to represent the same or similar components. The functions and effects of each component are the same as those described above and will not be repeated here.

[0174] exist Fig. 22 and Fig.23 In the third exemplary embodiment, the flexible printed circuit 17b includes a folding line F4 (eg, Fig. 22 As shown in FIG. 1 , the folding line F4 has at least three turning portions UL4 in a direction parallel to the optical axis OL, and has a plurality of straight line portions SL4 extending in the same direction between the turning portions UL4.

[0175] <Third Embodiment>

[0176] Please refer to Fig.24 and Fig.25 ,in Fig.24 A three-dimensional schematic diagram of one side of an electronic device according to a third embodiment of the present invention is shown, and Fig.25 Draw Fig.24 A three-dimensional schematic diagram of the other side of the electronic device.

[0177] In this embodiment, the electronic device 200 is a smart phone and includes a plurality of camera modules, a flash module 201 , a focus assist module 202 , an image signal processor 203 , a display module (user interface) 204 , and an image software processor (not shown).

[0178] These camera modules include an ultra-wide-angle camera module 200a, a high-pixel camera module 200b, a telephoto camera module 200c, and a telephoto camera module 200d. The camera module 200d includes the imaging lens driving module 1 of the first embodiment of the present invention, but the present invention is not limited thereto. At least one of the camera modules 200a, 200b, and 200c may include the imaging lens driving module of the present invention.

[0179] The ultra-wide-angle camera module 200 a has a function of accommodating multiple views. Fig.26 FIG. 2 is a schematic diagram showing an image captured by the ultra-wide-angle camera module 200 a .

[0180] The high-pixel camera module 200b has the functions of high resolution and low distortion. The high-pixel camera module 200b can further capture Fig.26 part of the image. Fig. 27 FIG. 2 is a schematic diagram showing the process of capturing an image using the high-pixel camera module 200 b .

[0181] The telephoto camera module 200c and the telephoto camera module 200d have a high magnification function. The telephoto camera module 200c or the telephoto camera module 200d can further capture Fig. 27 part of the image. Fig.28 FIG. 2 is a schematic diagram showing the process of capturing an image using the telephoto camera module 200 c or the telephoto camera module 200 d .

[0182] When the user shoots a subject, the electronic device 200 uses the ultra-wide-angle camera module 200a, the high-pixel camera module 200b, the telephoto camera module 200c or the telephoto camera module 200d to focus and capture images, activates the flash module 201 for fill light, and uses the object distance information of the subject provided by the focus auxiliary module 202 for rapid focusing, and the image signal processor 203 performs image optimization processing to further improve the image quality produced by the camera module, while providing a zoom function. The focus auxiliary module 202 can use an infrared or laser focus auxiliary system to achieve rapid focusing. The display module 204 can use a touch screen with a touch function, and can manually adjust the shooting angle, thereby switching different camera modules, and cooperating with the diverse functions of the image software processor to perform image shooting and image processing (or a physical shooting button can be used for shooting). The image processed by the image software processor can be displayed on the display module 204.

[0183] <Fourth Embodiment>

[0184] Please refer to Fig.29 , which is a three-dimensional schematic diagram of one side of an electronic device according to the fourth embodiment of the utility model.

[0185] In the present embodiment, the electronic device 300 is a smart phone. The electronic device 300 includes a camera module 300a, a camera module 300b, a camera module 300c, a camera module 300d, a camera module 300e, a camera module 300f, a camera module 300g, a camera module 300h, a camera module 300i, a flash module 301, an image signal processor, a display device, and an image software processor (not shown). The camera module 300a, the camera module 300b, the camera module 300c, the camera module 300d, the camera module 300e, the camera module 300f, the camera module 300g, the camera module 300h, and the camera module 300i are all disposed on the same side of the electronic device 300, and the display device is disposed on the other side of the electronic device 300. The camera module 300c includes the imaging lens driving module 1 of the first embodiment of the present invention, but the present invention is not limited thereto. At least one of the camera modules 300a, 300b, 300d, 300e, 300f, 300g, 300h, and 300i may include the imaging lens driving module of the present invention.

[0186] The camera module 300a is a telephoto camera module, the camera module 300b is a telephoto camera module, the camera module 300c is a telephoto camera module, the camera module 300d is a telephoto camera module, the camera module 300e is a wide-angle camera module, the camera module 300f is a wide-angle camera module, the camera module 300g is an ultra-wide-angle camera module, the camera module 300h is a Time of Flight (ToF) camera module, and the camera module 300i is an ultra-wide-angle camera module. The camera modules 300i, 300a, 300b, 300c, 300d, 300e, 300f and 300g of the present embodiment have different viewing angles, so that the electronic device 300 can provide different magnifications to achieve an optical zoom shooting effect. In addition, the camera modules 300a and 300b are telephoto camera modules with light turning element configurations. In addition, the camera module 300h can obtain the depth information of the image. The above-mentioned electronic device 300 is taken as an example including a plurality of camera modules 300a, 300b, 300c, 300d, 300e, 300f, 300g, 300h, and 300i, but the number and configuration of the camera modules are not intended to limit the present invention. When the user takes a photo of the subject, the electronic device 300 uses the camera module 300a, the camera module 300b, the camera module 300c, the camera module 300d, the camera module 300e, the camera module 300f, the camera module 300g, the camera module 300h, or the camera module 300i to focus light and take an image, activates the flash module 301 for fill light, and performs subsequent processing in a manner similar to the aforementioned embodiment, which will not be described in detail here.

[0187] <Fifth Embodiment>

[0188] Please refer to Figure 30 to Figure 32 ,in Fig.30 A three-dimensional schematic diagram of an electronic device according to a fifth embodiment of the utility model is shown. Fig.31 Draw Fig.30 A schematic side view of an electronic device, and Fig.32 Draw Fig.30 A schematic top view of an electronic device.

[0189] In this embodiment, the electronic device 400 is a car and includes a plurality of car camera modules 401, and each of these camera modules 401 includes an imaging lens driving module of the present invention, which can be applied to a panoramic driving assistance system, a driving recorder, and a reverse imaging device.

[0190] like Fig.30As shown, the camera module 401 can be set around the car body, for example, to capture images around the car, which helps to identify the road conditions outside the car, so as to realize the automatic assisted driving function. In addition, the images can be combined into a panoramic picture through the image software processor to provide the driver with images of the blind spots, so that the driver can control the situation around the car body, which is convenient for driving and parking.

[0191] like Fig.31 As shown, the camera module 401 can be disposed, for example, below the left and right rearview mirrors, respectively, wherein the viewing angle of the camera module 401 can be 40 degrees to 90 degrees, for capturing image information within the left and right lanes.

[0192] like Fig.32 As shown, the camera module 401 can also be arranged, for example, below the left and right rearview mirrors and inside the front and rear windshields, thereby helping the driver to obtain external space information outside the cockpit, providing more viewing angles to reduce blind spots and improve driving safety.

[0193] The imaging lens driver module of the present invention is not limited to applications in smart phones, panoramic driving assistance systems, driving recorders, and reversing development devices. The imaging lens driver module can be applied to a variety of mobile focus systems as required, and has the characteristics of excellent aberration correction and good imaging quality. For example, the imaging lens driver module can be widely used in electronic devices such as three-dimensional (3D) image capture, digital cameras, mobile devices, tablet computers, smart TVs, network monitoring equipment, multi-lens devices, identification systems, somatosensory game consoles, and wearable devices. The aforementioned electronic devices are only exemplary examples of the actual application of the present invention, and do not limit the scope of application of the imaging lens driver module of the present invention.

[0194] Although the present invention is disclosed in the above embodiments, these embodiments are not intended to limit the present invention. Any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention. Please refer to the attached claims for the scope of protection defined by the present invention.

Claims

1. An imaging lens driving module, characterized in that: Include: A lens unit having an optical axis, the lens unit comprising a first track and a third track extending in a direction parallel to the optical axis, the first track comprising a second surface, and the third track comprising a third surface; A base, wherein the lens unit is arranged relative to the base, the base comprises a second track and a fourth track extending in a direction parallel to the optical axis, the second track comprises a fifth surface and a sixth surface, the sixth surface and the fifth surface are connected to each other and form an angle, the fourth track comprises a seventh surface and an eighth surface, the eighth surface and the seventh surface are connected to each other and form an angle; a housing coupled with the base and defining an inner space together, wherein the inner space is used to accommodate the lens unit, wherein the first track and the second track are correspondingly arranged to accommodate at least one first sphere, and the third track and the fourth track are correspondingly arranged to accommodate at least one second sphere, wherein the at least one first sphere and the at least one second sphere are used to provide the lens unit with a degree of freedom of movement along a direction parallel to the optical axis, and the total number of the at least one first sphere and the at least one second sphere is at least three; an auto-focus driving assembly, used for driving the lens unit to move relative to the base along a direction parallel to the optical axis, wherein the auto-focus driving assembly comprises at least one magnet and at least one coil, the at least one coil is arranged facing the at least one magnet, and one of the at least one magnet and the at least one coil is arranged on the lens unit; as well as At least one flexible element is disposed between the lens unit and the base and / or between the lens unit and the housing, and the at least one flexible element can be deformed to reduce the impact caused by the lens unit colliding with adjacent elements when the lens unit moves in a direction parallel to the optical axis; The moving trajectory of the center of the at least one first sphere along a direction parallel to the first track is defined as a first spherical axis, the moving trajectory of the center of the at least one second sphere along a direction parallel to the third track is defined as a second spherical axis, and a first connecting line connecting the first spherical axis and the second spherical axis in a direction perpendicular to the optical axis is defined; The sixth surface is closer to a center point of the first connection line than the fifth surface, and the seventh surface is closer to the center point of the first connection line than the eighth surface; wherein the second surface, the fifth surface and the sixth surface each have only one contact point with the at least one first sphere, and the third surface, the seventh surface and the eighth surface each have only one contact point with the at least one second sphere; The angle between the sixth surface and the seventh surface is θ 67 , and the angle between the fifth surface and the eighth surface is θ 58 , which satisfies the following conditions: |θ 67 -π|≤|θ 58 -π|; and Wherein, the sixth surface and the seventh surface are parallel to each other.

2. The imaging lens driving module according to claim 1, characterized in that: The at least one flexible element is coupled to the base, and the at least one flexible element faces the lens unit.

3. The imaging lens driving module according to claim 1, characterized in that: The at least one flexible element is coupled to the lens unit, and the at least one flexible element faces the housing.

4. The imaging lens driving module according to claim 1, characterized in that: The at least one flexible element includes at least two flexible elements, and the at least two flexible elements are respectively arranged between the lens unit and the base and between the lens unit and the housing.

5. The imaging lens driving module according to claim 1, characterized in that: The total number of the at least one flexible element is eight.

6. The imaging lens driving module according to claim 1, characterized in that: The at least one magnet is disposed on the lens unit, the at least one coil is disposed on the base, and the at least one coil is disposed correspondingly to the at least one magnet.

7. The imaging lens driving module according to claim 1, characterized in that: The at least one coil is disposed on the lens unit, the at least one magnet is disposed on the base, and the at least one magnet is disposed correspondingly to the at least one coil.

8. The imaging lens driving module according to claim 7, characterized in that: Also includes: A flexible circuit board is coupled with the lens unit.

9. The imaging lens driving module according to claim 8, characterized in that: The at least one coil is disposed on the flexible printed circuit, and the flexible printed circuit includes a meandering circuit having an overlapping portion in a direction perpendicular to the optical axis.

10. The imaging lens driving module according to claim 8, characterized in that: The at least one coil is disposed on the flexible printed circuit, and the flexible printed circuit includes a folding circuit having an overlapping portion in a direction parallel to the optical axis.

11. The imaging lens driving module according to claim 1, characterized in that: The at least one first sphere includes at least two first spheres, and the at least one second sphere includes at least two second spheres.

12. The imaging lens driving module according to claim 1, characterized in that: A second connecting line is defined which is orthogonal to and intersects the optical axis and the first connecting line at the same time and is connected between the optical axis and the first connecting line, the intersection of the first connecting line and the second connecting line is an eccentric point, the distance between the center point of the first connecting line and the second spherical axis is d1, and the distance between the eccentric point and the second spherical axis is d2, which satisfies the following conditions: 1.1≤d1 / d2<4.

9.

13. The imaging lens driving module according to claim 1, characterized in that: A third connecting line connected between the center of the at least one flexible element and the center point of the first connecting line is defined, and a fourth connecting line is defined which is orthogonal to and intersects the optical axis and is connected between the optical axis and the center point. The angle between the third connecting line and the first connecting line is θa, and the angle between the third connecting line and the fourth connecting line is θb, which satisfies the following conditions: θa+θb≠90 degrees.

14. The imaging lens driving module according to claim 1, characterized in that: The angle between the fifth surface and the sixth surface is θ 56 , and the angle between the seventh surface and the eighth surface is θ 78 , which satisfies the following conditions: π / 2≤θ 56 <p; π / 2≤θ 78 <p.

15. The imaging lens driving module according to claim 14, characterized in that: The angle between the fifth surface and the sixth surface is θ 56 , and the angle between the seventh surface and the eighth surface is θ 78 , which satisfies the following conditions: 98 degrees ≤ θ 56 <π;hereafter 98 degrees ≤ θ 78 <π.

16. The imaging lens driving module according to claim 1, characterized in that: The first track further comprises a first surface, the first surface and the second surface are connected to each other and form an angle, and the third track further comprises a fourth surface, the fourth surface and the third surface are connected to each other and form an angle; There is a gap between the first surface and the at least one first sphere and / or there is a gap between the fourth surface and the at least one second sphere; and The first surface and the sixth surface are parallel to each other, and the fourth surface and the seventh surface are parallel to each other.

17. A camera module, characterized in that: Include: The imaging lens driving module according to claim 1; and An electronic photosensitive element is disposed on an imaging surface of the imaging lens driving module.

18. An electronic device, characterized in that: Include: The camera module according to claim 17.

19. An imaging lens driving module, characterized in that: Include: A lens unit having an optical axis, the lens unit comprising a first track and a third track extending in a direction parallel to the optical axis, the first track comprising a second surface, and the third track comprising a third surface; A base, wherein the lens unit is arranged relative to the base, the base comprises a second track and a fourth track extending in a direction parallel to the optical axis, the second track comprises a fifth surface and a sixth surface, the sixth surface and the fifth surface are connected to each other and form an angle, the fourth track comprises a seventh surface and an eighth surface, the eighth surface and the seventh surface are connected to each other and form an angle; a housing coupled with the base and defining an inner space together, wherein the inner space is used to accommodate the lens unit, wherein the first track and the second track are correspondingly arranged to accommodate at least one first sphere, and the third track and the fourth track are correspondingly arranged to accommodate at least one second sphere, wherein the at least one first sphere and the at least one second sphere are used to provide the lens unit with a degree of freedom of movement along a direction parallel to the optical axis, and the total number of the at least one first sphere and the at least one second sphere is at least three; an auto-focus driving assembly, used for driving the lens unit to move relative to the base along a direction parallel to the optical axis, wherein the auto-focus driving assembly comprises at least one magnet and at least one coil, the at least one coil is arranged facing the at least one magnet, and one of the at least one magnet and the at least one coil is arranged on the lens unit; as well as At least one flexible element is disposed between the lens unit and the base and / or between the lens unit and the housing, and the at least one flexible element can be deformed to reduce the impact caused by the lens unit colliding with adjacent elements when the lens unit moves in a direction parallel to the optical axis; wherein the second surface, the fifth surface and the sixth surface each have only one contact point with the at least one first sphere, and the third surface, the seventh surface and the eighth surface each have only one contact point with the at least one second sphere; and The angle between the sixth surface and the seventh surface is θ 67 , and the angle between the fifth surface and the eighth surface is θ 58 , which satisfies the following conditions: |θ 67 -π|≤|θ 58 -p|。 20. The imaging lens driving module according to claim 19, characterized in that: The at least one flexible element is coupled to the base, and the at least one flexible element faces the lens unit.

21. The imaging lens driving module according to claim 19, characterized in that: The at least one flexible element is coupled to the lens unit, and the at least one flexible element faces the housing.

22. The imaging lens driving module according to claim 19, characterized in that: The at least one flexible element includes at least two flexible elements, and the at least two flexible elements are respectively arranged between the lens unit and the base and between the lens unit and the housing.

23. The imaging lens driving module according to claim 19, characterized in that: The total number of the at least one flexible element is eight.

24. The imaging lens driving module according to claim 19, characterized in that: The at least one magnet is disposed on the lens unit, the at least one coil is disposed on the base, and the at least one coil is disposed correspondingly to the at least one magnet.

25. The imaging lens driving module according to claim 19, characterized in that: The at least one coil is disposed on the lens unit, the at least one magnet is disposed on the base, and the at least one magnet is disposed correspondingly to the at least one coil.

26. The imaging lens driving module according to claim 25, characterized in that: Also includes: A flexible circuit board is coupled with the lens unit.

27. The imaging lens driving module according to claim 26, characterized in that: The at least one coil is disposed on the flexible printed circuit, and the flexible printed circuit includes a meandering circuit having an overlapping portion in a direction perpendicular to the optical axis.

28. The imaging lens driving module according to claim 26, characterized in that: The at least one coil is disposed on the flexible printed circuit, and the flexible printed circuit includes a folding circuit having an overlapping portion in a direction parallel to the optical axis.

29. The imaging lens driving module according to claim 19, characterized in that: The at least one first sphere includes at least two first spheres, and the at least one second sphere includes at least two second spheres.

30. The imaging lens driving module according to claim 19, characterized in that: A moving trajectory of the center of the at least one first sphere along a direction parallel to the first track is defined as a first spherical axis, and a moving trajectory of the center of the at least one second sphere along a direction parallel to the third track is defined as a second spherical axis; Wherein, a first connecting line connected between the first spherical axis and the second spherical axis in a direction perpendicular to the optical axis is defined, a second connecting line simultaneously orthogonal to and simultaneously intersecting the optical axis and the first connecting line and connected between the optical axis and the first connecting line is defined, the intersection of the first connecting line and the second connecting line is an eccentric point, the distance between a center point of the first connecting line and the second spherical axis is d1, and the distance between the eccentric point and the second spherical axis is d2, which satisfies the following conditions: 1.1≤d1 / d2<4.

9.

31. The imaging lens driving module according to claim 19, characterized in that: A moving trajectory of the center of the at least one first sphere along a direction parallel to the first track is defined as a first spherical axis, and a moving trajectory of the center of the at least one second sphere along a direction parallel to the third track is defined as a second spherical axis; Wherein, a first connecting line connected between the first spherical axis and the second spherical axis in a direction perpendicular to the optical axis is defined, a third connecting line connected between the center of the at least one flexible element and a center point of the first connecting line is defined, a fourth connecting line is defined which is orthogonal to and intersects the optical axis and is connected between the optical axis and the center point, the angle between the third connecting line and the first connecting line is θa, and the angle between the third connecting line and the fourth connecting line is θb, which satisfies the following conditions: θa+θb≠90 degrees.

32. The imaging lens driving module according to claim 19, characterized in that: The angle between the fifth surface and the sixth surface is θ 56 , and the angle between the seventh surface and the eighth surface is θ 78 , which satisfies the following conditions: π / 2≤θ 56 <p; π / 2≤θ 78 <p.

33. The imaging lens driving module according to claim 32, characterized in that: The angle between the fifth surface and the sixth surface is θ 56 , and the angle between the seventh surface and the eighth surface is θ 78 , which satisfies the following conditions: 98 degrees ≤ θ 56 <π;hereafter 98 degrees ≤ θ 78 <π.

34. The imaging lens driving module according to claim 19, characterized in that: The first track further comprises a first surface, the first surface and the second surface are connected to each other and form an angle, and the third track further comprises a fourth surface, the fourth surface and the third surface are connected to each other and form an angle; The first surface and the sixth surface are parallel to each other, and the fourth surface and the seventh surface are parallel to each other.

35. A camera module, characterized in that: Include: The imaging lens driving module according to claim 19; and An electronic photosensitive element is disposed on an imaging surface of the imaging lens driving module.

36. An electronic device, characterized in that: Include: The camera module of claim 35.

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