Lens module and electronic device

Abstract

A lens module comprises a lens assembly, a sensing assembly, a first circuit board and a second circuit board, the sensing assembly comprises a supporting piece and a sensor, the supporting piece is arranged on one side of the lens assembly, and the sensor is opposite to the lens assembly; the first circuit board is adjacent to the supporting piece; one end of the second circuit board is bent to be connected with the sensor, the other end of the second circuit board is bent to be connected with the first circuit board, the second circuit board comprises a first structural layer, a second structural layer, a third structural layer and a fourth structural layer which are sequentially stacked, the first structural layer transmits power signals, and the third structural layer transmits high-speed signals; the second structure layer and the fourth structure layer are connected with grounding signals. In the lens module, the sensor is connected with the second circuit board through the single first circuit board, and the two ends of the second circuit board are respectively connected with the sensor and the first circuit board in a bending manner, so that the overall size of the lens module is reduced, and the manufacturing cost of the lens module is reduced. The utility model further discloses an electronic device.

Description

Technical Field

[0001] The present application relates to the field of electronic technology, and in particular to a lens module and an electronic device. Background Art

[0002] Sensor-Shift technology achieves lens anti-shake by moving the sensor. This technology usually makes the sensor bend through two FPCs (flexible circuit boards) and connect to the PCB (printed circuit board) to achieve electrical connection, resulting in a large overall size of the lens module. Utility Model Content

[0003] In view of this, it is necessary to provide a lens module and an electronic device to solve the problem of large overall size of the lens module.

[0004] An embodiment of the present application provides a lens module, including a lens assembly, a sensor assembly, a first circuit board and a second circuit board, the sensor assembly including a support member and a sensor, the support member is arranged on one side of the lens assembly in a first direction, the sensor is arranged between the support member and the lens assembly, and the sensor and the lens assembly are arranged opposite to each other along the first direction; the first circuit board and the support member are arranged adjacent to each other along a second direction, and the first direction and the second direction are arranged crosswise; one end of the second circuit board is bent and connected to the sensor, and the other end is bent and connected to the first circuit board, the second circuit board includes a first structural layer, a second structural layer, a third structural layer and a fourth structural layer which are stacked in sequence, the first structural layer is used to transmit power signals, the third structural layer is used to transmit high-speed signals, and the second structural layer and the fourth structural layer are used to connect ground signals.

[0005] The technical effects of the embodiments of the present application include: in the above-mentioned lens module, the sensor is connected to the second circuit board through a single first circuit board, and the two ends of the second circuit board are respectively bent and connected to the sensor and the first circuit board, thereby reducing the overall size of the lens module and reducing the manufacturing cost of the lens module.

[0006] In some embodiments of the present application, the second circuit board includes a first bending section, a first main section, a second bending section, a second main section and a third bending section, the first bending section is connected to the first circuit board, one end of the first main section is connected to an end of the first bending section away from the first circuit board, and the other end extends along a third direction to connect to the second bending section, one end of the second bending section away from the first main section is connected to the second main section, and one end of the second main section away from the second bending section extends along the second direction to connect to the third bending section, the support member is provided with a receiving cavity, one end of the third bending section away from the second main section extends into the receiving cavity and is connected to the sensor, and the first direction, the second direction and the third direction are perpendicular to each other.

[0007] The technical effects of the embodiments of the present application include: through the above-mentioned setting, the first bending section connects the first main section and the first circuit board, and the second bending section connects the second main section and the sensor, thereby realizing the electrical connection between the sensor and the first circuit board, with fewer bends, and reducing the difficulty of manufacturing the second circuit board.

[0008] In some embodiments of the present application, a reinforcement layer is provided in both the first main body section and the second main body section.

[0009] The technical effects of the embodiments of the present application include: through the above-mentioned arrangement, the structural strength of the first main body segment and the second main body segment is improved.

[0010] In some embodiments of the present application, the first bending section, the first main section, the second bending section, the second main section and the third bending section are an integrally formed structure.

[0011] The technical effects of the embodiments of the present application include: through the above-mentioned configuration, the structural strength of the entire second circuit board is improved.

[0012] In some embodiments of the present application, the lens module also includes a stopper, which is connected to a side of the support member close to the first circuit board, and is used to support a side wall of the first main body segment facing the support member. The stopper is used to support a side wall of the first main body segment facing the support member, and is adjacent to the connection position between the first bending section and the first main body segment.

[0013] The technical effects of the embodiments of the present application include: through the above-mentioned arrangement, the stopper reduces the risk of breakage at the connection position between the first bending section and the first main body section.

[0014] In some embodiments of the present application, the lens assembly includes a bracket, a lens mount, a filter and a lens, the bracket is arranged in the receiving cavity, and the bracket is arranged on the side of the sensor away from the support member in the first direction, the bracket is provided with a through hole, and the through hole is used to enable the sensor to transmit a signal to the lens, the filter is arranged in the through hole, the lens mount is arranged on the side of the bracket away from the sensor, and the lens is accommodated in the lens mount.

[0015] The technical effects of the embodiments of the present application include: through the above-mentioned setting, the through hole on the bracket enables the sensor to receive the light signal passing through the lens, and then convert the light signal into an electrical signal to generate an image.

[0016] In some embodiments of the present application, the lens assembly also includes a shielding shell, which is mounted on the outer side of the lens base and allows the lens to be exposed outside the shielding shell, and the first main section, the second bending section and the second main section are arranged between the lens base and the shielding shell.

[0017] The technical effects of the embodiments of the present application include: through the above-mentioned configuration, the shielding shell can reduce the risk of the external environment affecting the lens and filter in the lens holder.

[0018] In some embodiments of the present application, the sensor assembly further includes a driving member, which is connected to the supporting member and is used to drive the supporting member to drive the sensor to move relative to the lens assembly.

[0019] The technical effects of the embodiments of the present application include: through the above-mentioned configuration, the driving member drives the sensor to move to improve the anti-shake function of the lens module.

[0020] In some embodiments of the present application, the sensor assembly further includes a connecting member, which is disposed between the sensor and a cavity wall of the receiving cavity and is used to connect the sensor and the supporting member.

[0021] The technical effects of the embodiments of the present application include: through the above-mentioned configuration, the connection stability between the sensor and the support member is improved.

[0022] The present application also provides an electronic device, which includes the lens module described in any one of the above items.

[0023] In the above-mentioned lens module and electronic device, the sensor is connected to the second circuit board through a single first circuit board, and the two ends of the second circuit board are respectively connected to the sensor and the first circuit board in a bent manner, thereby reducing the overall size of the lens module and reducing the manufacturing cost of the lens module. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1This is a schematic diagram of the overall structure of a lens module according to an embodiment of the present application.

[0025] Figure 2 Schematic diagram of the structure of a sensor component according to an embodiment of the present application.

[0026] Figure 3 Schematic diagram of the internal stacking structure of the second circuit board according to an embodiment of the present application.

[0027] Figure 4 It is a schematic diagram of the bending structure of the second circuit board according to an embodiment of the present application.

[0028] Figure 5 Schematic diagram of the structure of a lens assembly according to an embodiment of the present application.

[0029] Main component symbols

[0030] Lens module 100

[0031] Lens assembly 10

[0032] Bracket 11

[0033] Through hole 111

[0034] Mirror mount 12

[0035] Filter 13

[0036] Shot 14

[0037] Shielding shell 15

[0038] Sensor component 20

[0039] Support member 21

[0040] Accommodation chamber 211

[0041] Sensor 22

[0042] First circuit board 30

[0043] Second circuit board 40

[0044] The first structural layer 41

[0045] The second structural layer 42

[0046] The third structural layer 43

[0047] Fourth structural layer 44

[0048] First bending section 45

[0049] First main body section 46

[0050] Second bending section 47

[0051] Second main body section 48

[0052] The third bending section 49

[0053] Ring segment 491

[0054] Stopper 50

[0055] First direction Z

[0056] Second direction X

[0057] The third direction Y

[0058] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0060] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time.

[0061] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art belonging to the technical field of the present application. The terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items. The terms "vertical", "horizontal", "left", "right", "top", "bottom" and similar expressions used herein are only for illustrative purposes and are not intended to limit the present application.

[0062] It will be appreciated that when describing two components as being arranged in parallel / perpendicular, a tolerance of ±10% is allowed for the angle between the two components relative to the standard parallel / perpendicular.

[0063] The lens module provided by the embodiment of the present application includes a lens assembly, a sensor assembly, a first circuit board and a second circuit board. The sensor assembly includes a support member and a sensor, and the support member is arranged on one side of the lens assembly in a first direction. The sensor is arranged between the support member and the lens assembly, and the sensor and the lens assembly are arranged opposite to each other along the first direction. The first circuit board and the support member are arranged adjacent to each other along the second direction, and the first direction and the second direction are arranged crosswise. One end of the second circuit board is bent and connected to the sensor, and the other end is bent and connected to the first circuit board. The second circuit board includes a first structural layer, a second structural layer, a third structural layer and a fourth structural layer which are stacked in sequence, the first structural layer is used to transmit power signals, the third structural layer is used to transmit high-speed signals, and the second structural layer and the fourth structural layer are used to connect ground signals.

[0064] In the above lens module, the sensor is connected to the second circuit board through a single first circuit board, and the two ends of the second circuit board are respectively bent and connected to the sensor and the first circuit board, thereby reducing the overall size of the lens module and reducing the manufacturing cost of the lens module.

[0065] Some embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0066] Please also read Figure 1 and Figure 2 The lens module 100 provided in the embodiment of the present application includes a lens assembly 10, a sensor assembly 20, a first circuit board 30 and a second circuit board 40. The sensor assembly 20 includes a support member 21 and a sensor 22. The support member 21 is disposed on one side of the lens assembly 10 in the first direction Z, and the sensor 22 is disposed opposite to the lens assembly 10 along the first direction Z. In some embodiments, the support member 21 may be provided with a receiving cavity 211, and the sensor 22 may be disposed in the receiving cavity 211.

[0067] Please also read Figure 2 and Figure 3 The first circuit board 30 and the support member 21 are arranged adjacent to each other along the second direction X, and the first direction Z is arranged to intersect with the second direction X. One end of the second circuit board 40 is bent to connect to the sensor 22, and the other end is bent to connect to the first circuit board 30. The second circuit board 40 includes a first structure layer 41, a second structure layer 42, a third structure layer 43 and a fourth structure layer 44 which are stacked in sequence. The first structure layer 41 is used to transmit power signals, the third structure layer 43 is used to transmit high-speed signals, and the second structure layer 42 and the fourth structure layer 44 are used to connect ground signals.

[0068] In the above-mentioned lens module 100, the sensor 22 is connected to the second circuit board 40 through a single first circuit board 30, and the two ends of the second circuit board 40 are respectively bent to connect with the sensor 22 and the first circuit board 30, thereby reducing the overall size of the lens module 100 and reducing the manufacturing cost of the lens module 100.

[0069] Please refer again Figure 1 and Figure 2 In some embodiments, the sensor assembly 20 further includes a driving member (not shown), which is connected to the support member 21 and is used to drive the support member 21 to drive the sensor 22 to move relative to the lens assembly 10. Through the above arrangement, the driving member drives the sensor 22 to move to improve the anti-shake function of the lens module 100.

[0070] See also Figure 2 In some embodiments, the sensor assembly 20 further includes a connecting member (not shown), which is disposed between the sensor 22 and the wall of the receiving cavity 211, and is used to connect the sensor 22 and the support member 21, thereby improving the connection stability between the sensor 22 and the support member 21. In this embodiment, the connecting member may be, but is not limited to, an adhesive layer.

[0071] In this embodiment, the support member 21 is made of steel, and the sensor 22 is disposed in the receiving cavity 211 of the support member 21 to improve the heat dissipation capacity of the sensor 22 .

[0072] Please also read Figure 2 and Figure 4 In some embodiments, the second circuit board 40 includes a first bending section 45, a first main section 46, a second bending section 47, a second main section 48, and a third bending section 49. The first bending section 45 is connected to the first circuit board 30, one end of the first main section 46 is connected to the end of the first bending section 45 away from the first circuit board 30, and the other end extends along the third direction Y to connect to the second bending section 47. The end of the second bending section 47 away from the first main section 46 is connected to the second main section 48, and the end of the second main section 48 away from the second bending section 47 extends along the second direction X to connect to the third bending section 49. The end of the third bending section 49 away from the second main section 48 extends into the receiving cavity 211 and is connected to the sensor 22, and the first direction Z, the second direction X, and the third direction Y are perpendicular to each other. Through the above arrangement, the first bending section 45 connects the first main section 46 and the first circuit board 30, and the second bending section 47 connects the second main section 48 and the sensor 22, thereby realizing the electrical connection between the sensor 22 and the first circuit board 30, with fewer bends, thereby reducing the manufacturing difficulty of the second circuit board 40.

[0073] Please continue reading Figure 2 and Figure 4 In some embodiments, the second circuit board 40 further includes a ring segment 491, which is connected to an end of the third bending segment 49 away from the second main body segment 48, and the ring segment 491 improves the stability of the second circuit board 40 when electrically connected to the sensor 22.

[0074] Please continue reading Figure 2 and Figure 4In some embodiments, a reinforcement layer (not shown) is provided in the first main body section 46 and the second main body section 48 to improve the structural strength of the first main body section 46 and the second main body section 48 .

[0075] Please continue reading Figure 2 and Figure 4 In some embodiments, the first bending section 45 , the first main section 46 , the second bending section 47 , the second main section 48 and the third bending section 49 are an integrally formed structure, thereby improving the structural strength of the entire second circuit board 40 .

[0076] Please also read Figure 1 and, Figure 2 and Figure 4 In some embodiments, the lens module 100 further includes a stopper 50, which is connected to a side of the support member 21 close to the first circuit board 30. The stopper 50 is used to support a side wall of the first main body section 46 facing the support member 21, and is adjacent to the connection position between the first bending section 45 and the first main body section 46, thereby reducing the risk of breakage at the connection position between the first bending section 45 and the first main body section 46.

[0077] Please also read Figure 1 , Figure 2 and Figure 5 In some embodiments, the lens assembly 10 includes a bracket 11, a lens holder 12, a filter 13 and a lens 14. The bracket 11 is disposed in the receiving cavity 211, and the bracket 11 is disposed on a side of the sensor 22 away from the support member 21 in the first direction Z. The bracket 11 is provided with a through hole 111, and the through hole 111 is used to enable the sensor 22 to transmit a signal to the lens 14, and the filter 13 is disposed in the through hole 111. The lens holder 12 is disposed on a side of the bracket 11 away from the sensor 22, and the lens 14 is accommodated in the lens holder 12. Through the above configuration, the through hole 111 on the bracket 11 enables the sensor 22 to receive the optical signal passing through the lens 14, and then convert the optical signal into an electrical signal to generate an image.

[0078] In some embodiments, the lens assembly 10 further includes a voice coil motor (not shown), which is connected between the lens 14 and the filter 13 , and is used to achieve automatic focusing of the lens 14 .

[0079] Please continue reading Figure 1 , Figure 2 and Figure 5In some embodiments, the lens assembly 10 further includes a shielding shell 15. The shielding shell 15 is sleeved on the outer side of the lens holder 12 and the lens 14 is exposed outside the shielding shell 15. The first main body section 46, the second bending section 47 and the second main body section 48 are arranged between the lens holder 12 and the shielding shell 15. Through the above arrangement, the shielding shell 15 can reduce the risk of the external environment affecting the lens 14 and the filter 13 in the lens holder 12.

[0080] See also Figure 1 The present application also provides an electronic device, which includes any one of the above lens modules 100. In some embodiments, the electronic device of the present application may be, but is not limited to, a mobile phone, a wearable device, a vehicle, a camera, or a monitoring device.

[0081] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not used as limitations on the present application. As long as they are within the spirit of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.

Claims

1. A lens module, characterized in that: include: Lens assembly; A sensor assembly, comprising a support member and a sensor, wherein the support member is disposed on one side of the lens assembly in a first direction, the sensor is disposed between the support member and the lens assembly, and the sensor and the lens assembly are disposed opposite to each other along the first direction; A first circuit board is disposed adjacent to the support member along a second direction, and the first direction and the second direction are intersecting each other; A second circuit board has one end bent and connected to the sensor, and the other end bent and connected to the first circuit board. The second circuit board includes a first structural layer, a second structural layer, a third structural layer and a fourth structural layer stacked in sequence. The first structural layer is used to transmit power signals, the third structural layer is used to transmit high-speed signals, and the second structural layer and the fourth structural layer are used to connect ground signals.

2. The lens module according to claim 1, characterized in that: The second circuit board includes a first bending section, a first main section, a second bending section, a second main section and a third bending section, the first bending section is connected to the first circuit board, one end of the first main section is connected to an end of the first bending section away from the first circuit board, and the other end extends along a third direction to connect to the second bending section, one end of the second bending section away from the first main section is connected to the second main section, and one end of the second main section away from the second bending section extends along the second direction to connect to the third bending section, the support member is provided with a receiving cavity, one end of the third bending section away from the second main section extends into the receiving cavity and is connected to the sensor, and the first direction, the second direction and the third direction are perpendicular to each other.

3. The lens module according to claim 2, characterized in that: A reinforcement layer is provided in both the first main body section and the second main body section.

4. The lens module according to claim 2, characterized in that: The first bending section, the first main section, the second bending section, the second main section and the third bending section are an integrally formed structure.

5. The lens module according to claim 2, characterized in that: The lens module also includes a stopper, which is connected to a side of the support member close to the first circuit board, and is used to abut against a side wall of the first main body section facing the support member. The stopper is used to abut against a side wall of the first main body section facing the support member, and is adjacent to a connection position between the first bending section and the first main body section.

6. The lens module according to claim 2, characterized in that: The lens assembly includes a bracket, a lens seat, a filter and a lens. The bracket is arranged in the accommodating cavity, and the bracket is arranged on the side of the sensor away from the supporting member in the first direction. The bracket is provided with a through hole, and the through hole is used for the sensor to transmit a signal to the lens. The filter is arranged in the through hole, the lens seat is arranged on the side of the bracket away from the sensor, and the lens is accommodated in the lens seat.

7. The lens module according to claim 6, characterized in that: The lens assembly also includes a shielding shell, which is sleeved on the outer side of the lens seat and allows the lens to be exposed outside the shielding shell, and the first main section, the second bending section and the second main section are arranged between the lens seat and the shielding shell.

8. The lens module according to claim 1, wherein: The sensor assembly also includes a driving member, which is connected to the supporting member and is used to drive the supporting member to drive the sensor to move relative to the lens assembly.

9. The lens module according to claim 2, wherein: The sensor assembly also includes a connecting member, which is arranged between the sensor and the cavity wall of the accommodating cavity and is used to connect the sensor and the supporting member.

10. An electronic device, characterized in that: The electronic device comprises the lens module as described in any one of claims 1 to 9.

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