CN117440233A - Camera module and electronic equipment thereof - Google Patents

Abstract

The application provides a camera module and electronic equipment thereof, this camera module includes: prism, prism support, chip assembly and lens assembly; the prism is fixedly connected with the prism support, and the chip component and the lens component are arranged on the same side of the prism support; the lens assembly comprises a lens and a motor, wherein the motor is used for driving the lens to move; the prism support is provided with a metal wire, and the chip assembly is electrically connected with the motor through the metal wire. This camera module is through setting up metal wire on the prism support, utilizes the wire to link together motor and chip assembly, has following characteristics: the camera module is simple in assembly process, and automatic assembly is easier to realize; the electric connection is more reliable, the problem of FPC breakage is avoided, the strength of the prism support can be improved, the reliability is enhanced, FPC space is not reserved on the side face of the whole module, the bottom size of the module can be reduced, the area of a main board of the whole machine can be reduced, and the whole machine stacking is facilitated.

Description

Camera module and electronic equipment thereof

Technical Field

The application relates to the technical field of periscope type camera module structures, in particular to a camera module and electronic equipment thereof.

Background

Along with the use of portable electronic products such as smartphones and the like, the portable electronic products not only serve as communication tools and working tools of people, but also serve as shooting tools for people to record life and work, because the portability of the electronic products such as the mobile phones enables people to use the electronic products as cameras quite frequently, shooting requirements of people on electronic equipment such as smartphones and the like are also higher and higher, and the shooting effect of the mobile phones is expected to reach the level of digital cameras. Digital cameras are currently leading mobile phone photography in that they have multiple optical zoom capabilities for optical anti-shake. Because of space limitations, it is difficult to integrate conventional optical zoom mechanisms into ultra-thin cell phone housings. Accordingly, manufacturers of smartphones have been working on this area. Mainstream motor manufacturers such as TDK, mitsumi and the like on the market have been able to produce motors with optical anti-shake (OIS) functions. However, the long-focus motor with OIS and capable of satisfying more than 3 times has no way to put the conventional upright motor in ultra-thin mobile phones due to thickness limitation.

In order to increase the zoom magnification, the length of the camera module along the optical axis direction is relatively large, and on the basis, in order to keep the mobile terminal light and thin, the optical axis of the camera module needs to be folded to shorten the size of the camera module in the thickness direction of the mobile terminal, and the camera module with the folded optical axis is the periscope camera module. The periscope type lens module generally comprises a lens device, a prism device and an image sensor, and in the periscope type lens module in the prior art, optical anti-shake OIS (OIS: optical image stabilization) is mainly realized by driving a prism to rotate by electromagnetic waves. However, the periscope module with the structure has larger size, needs to occupy large space and is unfavorable for stacking the whole machine. In order to reduce the volume of periscope modules, a multi-fold prism solution has been proposed, i.e. to divide OIS motor and chip assembly into two groups. The electrical connection between the two clusters is difficult, and the existing scheme adopts FPC connection. However, the solution of connecting OIS motor and chip assembly using FPC has the following problems: 1. the FPC bending process is increased, the process is complex, and the labor cost is increased; 2. the FPC is increased in size and doubled in cost; 3. the jig is more complex because the interference problem of the FPC connecting part is considered in the SMT (surface mount technology) and chip assembly COB processes of the FPC element; 4. in the drop reliability test, the bottom bracket deforms due to impact force, so that the FPC is pulled to generate cracking; 5. because FPC locates the outside of module, consequently need increase the module size, be unfavorable for miniaturized structural design.

Disclosure of Invention

The first aspect of the embodiments of the present application provides a camera module, the camera module includes: prism, prism support, chip assembly and lens assembly; the prism is fixedly connected with the prism support, and the chip assembly and the lens assembly are arranged on the same side of the prism support; the lens assembly comprises a lens and a motor, wherein the motor is used for driving the lens to move; the prism support is provided with a metal wire, and the chip assembly is electrically connected with the motor through the metal wire.

In a second aspect, an embodiment of the present application provides an electronic device, where the electronic device includes the camera module described in the foregoing embodiment.

The embodiment of the application provides a camera module, through set up metal wire on the prism support, utilizes the wire to link together motor and chip assembly, has following characteristics: the camera module is simple in assembly process, and automatic assembly is easier to realize; the electric connection is more reliable, the problem of FPC breakage is avoided, the strength of the prism support can be improved, the reliability is enhanced, FPC space is not reserved on the side face of the whole module, the bottom size of the module can be reduced, the area of a main board of the whole machine can be reduced, and the whole machine stacking is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an overall structure of an embodiment of a camera module of the present application;

FIG. 2 is a schematic diagram illustrating a disassembled structure of the camera module in the embodiment of FIG. 1;

FIG. 3 is a schematic view showing the separation of the prism and the prism support in the embodiment of FIG. 2;

FIG. 4 is a partially disassembled view of a camera module of the present application;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 6 is a schematic structural diagram of an embodiment of an electronic device of the present application;

FIG. 7 is a schematic cross-sectional view of the electronic device at A-A in the embodiment of FIG. 6;

fig. 8 is a block diagram illustrating the structural components of an embodiment of the electronic device of the present application.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustration of the present application, but do not limit the scope of the present application. Likewise, the following embodiments are only some, but not all, of the embodiments of the present application, and all other embodiments obtained by one of ordinary skill in the art without making any inventive effort are within the scope of the present application.

The terms "first," "second," "third," and the like in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, a device configured to receive/transmit communication signals via a wireline connection, such as via a public-switched telephone network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface, such as for example, for a cellular network, a Wireless Local Area Network (WLAN), a digital television network, such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal. A communication terminal configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal", or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellites or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a PDA that can include a radiotelephone, pager, internet/intranet access, web browser, organizer, calendar, and/or a Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. The mobile phone is the electronic equipment provided with the cellular communication module.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic overall structure diagram of an embodiment of a camera module according to the present application, and fig. 2 is a schematic split structure diagram of the camera module in the embodiment of fig. 1; it should be noted that the camera module in the embodiments of the present application may be used in electronic devices including mobile phones, tablet computers, notebook computers, and wearable devices. The camera module 100 includes, but is not limited to, the following: prism 110, prism holder 120, chip assembly 130, and lens assembly 140.

Specifically, the prism 110 is fixedly connected to the prism holder 120, and the chip assembly 130 and the lens assembly 140 are disposed on the same side of the prism holder 120; the lens assembly 140 includes a lens 141 and a motor 142, and the motor 142 is used for driving the lens 141 to move; the motor 142 may be an optical anti-shake motor, and may be used to drive the lens 141 to move to achieve focusing and anti-shake functions, wherein the detailed structure of the motor 142 belongs to the conventional technology, and is not described herein in detail within the understanding scope of those skilled in the art.

Alternatively, referring to fig. 2 and fig. 3 together, fig. 3 is a schematic diagram illustrating the structure separation of the prism and the prism support in the embodiment of fig. 2, wherein the prism support 120 in the embodiment is provided with a metal wire 150, and the chip assembly 130 is electrically connected to the motor 142 through the metal wire 150. The metal wire 150 may be integrally formed with the prism support 120 by in-mold injection, wherein two ends of the metal wire 150 are exposed out of the prism support 120 and electrically connected to the motor 142 and the chip assembly 130, respectively. Specifically, the two ends of the metal wire 150 are respectively connected with the motor 142 and the chip assembly 130 by means of laser welding.

In addition, in some other embodiments, the metal wire 150 may also be formed by using LDS (Laser Direct-structuring) on the surface of the prism support 120, using a computer to control the movement of the Laser according to the track of the conductive pattern, and illuminating the Laser on the molded three-dimensional plastic device, and drawing the circuit pattern within a few seconds. The detailed structural features of this section are within the understanding of those skilled in the art and will not be described in detail herein.

With continued reference to fig. 3, a receiving cavity 121 is provided in the middle of the prism support 120, the prism 110 is disposed in the receiving cavity 121, and the metal wire 150 is disposed along the edge of the prism support 120. Optionally, the accommodating cavity 121 of the prism support 120 penetrates through the prism support 120, one side of the accommodating cavity 121 is blocked by the light shielding sheet 160, and the chip assembly 130 and the lens assembly 140 are disposed on the opposite side.

Optionally, the prism 110 has a trapezoid structure, where a top surface 111 (i.e., a small surface) of the trapezoid structure corresponds to the light shielding sheet 160, and a bottom surface 112 (i.e., a large surface) of the trapezoid structure corresponds to the chip assembly 130 and the lens assembly 140. The bottom surface 112 of the trapezoid structure includes two regions, namely a light incident region 1121 and a light emergent region 1122, where the light incident region corresponds to the lens assembly 140 and is configured to receive incident light from the lens assembly 140, and the light emergent region 1122 corresponds to the chip assembly 130 and is configured to transmit light refracted by the prism 110 to the chip assembly 130.

Referring to fig. 4 and fig. 5 together, fig. 4 is a schematic diagram illustrating a partial structure of the camera module of the present application, fig. 5 is a schematic diagram illustrating a structure of the camera module of another view of fig. 4, and the chip assembly 130 in the present embodiment includes a CMOS chip 131 and a flexible circuit board 132 connected to the CMOS chip; the CMOS chip 131 is used for sensing light incident from the lens 141 and refracting the incident light through the prism 110. The flexible circuit board 132 is used to connect the camera module 100 with an external control circuit board.

Optionally, a filter component 170 is disposed between the prism 110 and the CMOS chip 131 in the embodiment of the present application. The optical filter assembly 170 includes a support plate 171 and an optical filter 172, the support plate 171 is connected with the prism support 120, the optical filter 172 is fixedly disposed on the support plate 171, the flexible circuit board 132 is connected with the support plate 171, a receiving slot 1710 for receiving an auxiliary electronic device 133 is disposed at an edge of the support plate 171, and the auxiliary electronic device 133 is connected with the flexible circuit board 132. By providing the receiving groove 1710 for receiving the auxiliary electronic device 133 at the edge position of the holder plate 171, space can be saved and miniaturization can be achieved.

According to the camera module, the metal lines are embedded into the prism support, the OIS motor is connected with the chip PCB through the metal lines, the two ends of the OIS motor are welded in a laser welding mode respectively, the electric connection is very reliable, meanwhile, the strength of the prism support is improved to a certain extent due to the fact that the metal is embedded, and the OIS motor is not easy to deform in the reliability process.

The camera module has the following characteristics: the camera module is simple in assembly process, and automatic assembly is easier to realize; the electric connection is more reliable, the problem of FPC breakage is avoided, the strength of the prism support can be improved, the reliability is enhanced, FPC space is not reserved on the side face of the whole module, the bottom size of the module can be reduced, the area of a main board of the whole machine can be occupied, and the whole machine stacking is facilitated; the FPC size of the module is not increased, and the jigs of SMT and COB are relatively simple, so that the cost can be saved.

Further, referring to fig. 6 and 7 together, fig. 6 is a schematic structural diagram of an embodiment of the electronic device, and fig. 7 is a schematic structural sectional view of the electronic device at A-A in the embodiment of fig. 6, where the electronic device may include a camera module 100, a display screen assembly 400, a housing 300 and a control circuit board 200. The camera module 100 may be the structure described in the foregoing embodiments, and the detailed preparation method of the camera module 100 is described in the foregoing embodiments, which is not repeated herein. In addition, it should be noted that the electronic device in this embodiment may further include other types of camera modules, which are not specifically limited herein.

Optionally, the display screen assembly 400 in this embodiment cooperates with the housing 300 to form a accommodating space 1000, the control circuit board 200 and the camera module 100 are disposed in the accommodating space 1000, and the control circuit board 200 is electrically connected to the display screen assembly 400 and the camera module 100 and is used for controlling the working states of the display screen assembly 400 and the camera module 100. In addition, the detailed technical features of the physical structures of other parts of the electronic device are within the understanding scope of those skilled in the art, and will not be described herein.

Referring to fig. 8, fig. 8 is a schematic block diagram illustrating the structural components of an embodiment of an electronic device of the present application, where the electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The structure of the electronic device may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power source 990, and the like. Wherein, the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected to the processor 980; the power supply 990 is used to provide power to the entire electronic device 10.

Specifically, RF circuitry 910 is used to send and receive signals; memory 920 is used to store data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941, etc.; the sensor 950 includes an infrared sensor, a laser sensor, etc., for detecting a user proximity signal, a distance signal, etc.; a speaker 961 and a microphone 962 are coupled to the processor 980 by an audio circuit 960 for receiving and transmitting audio signals; the wifi module 970 is configured to receive and transmit wifi signals, and the processor 980 is configured to process data information of the electronic device. For specific structural features of the electronic device, please refer to the related description of the above embodiment, and detailed description thereof will not be provided herein.

The electronic equipment in this application embodiment, its camera module is through setting up metal wire on the prism support, utilizes the wire to link together motor and chip assembly, has following characteristics: the camera module is simple in assembly process, and automatic assembly is easier to realize; the electric connection is more reliable, the problem of FPC breakage is avoided, the strength of the prism support can be improved, the reliability is enhanced, FPC space is not reserved on the side face of the whole module, the bottom size of the module can be reduced, the area of a main board of the whole machine can be reduced, and the whole machine stacking is facilitated.

The foregoing description is only a partial embodiment of the present application, and is not intended to limit the scope of the present application, and all equivalent devices or equivalent process transformations made by using the descriptions and the drawings of the present application, or direct or indirect application to other related technical fields, are included in the patent protection scope of the present application.

Claims (10)

1. The utility model provides a camera module, its characterized in that, the camera module includes: prism, prism support, chip assembly and lens assembly; the prism is fixedly connected with the prism support, and the chip assembly and the lens assembly are arranged on the same side of the prism support; the lens assembly comprises a lens and a motor, wherein the motor is used for driving the lens to move; the prism support is provided with a metal wire, and the chip assembly is electrically connected with the motor through the metal wire.

2. The camera module according to claim 1, wherein the metal wire is integrally formed with the prism support by means of in-mold injection, and both ends of the metal wire are exposed to the prism support and electrically connected to the motor and the chip assembly, respectively.

3. The camera module of claim 1, wherein a receiving cavity is provided in a middle portion of the prism support, the prism is disposed in the receiving cavity, and the metal wire is disposed along an edge of the prism support.

4. A camera module according to claim 3, wherein the receiving cavity extends through the prism support, one side of the receiving cavity is blocked by a light shielding sheet, and the opposite side is provided with the chip assembly and the lens assembly.

5. The camera module of claim 4, wherein the prism has a trapezoid structure, a top surface of the trapezoid structure corresponds to the light shielding sheet, and a bottom surface of the trapezoid structure corresponds to the chip assembly and the lens assembly.

6. The camera module of claim 1, wherein the motor of the lens assembly is an optical anti-shake motor.

7. The camera module of claim 1, wherein the chip assembly comprises a CMOS chip and a flexible circuit board connected to the CMOS chip; the CMOS chip is used for sensing light rays which are incident from the lens and are refracted by the prism.

8. The camera module of claim 7, wherein a filter assembly is disposed between the prism and the CMOS chip.

9. The camera module of claim 8, wherein the light filtering assembly comprises a support plate and a light filter, the support plate is connected with the prism support, the light filter is fixedly arranged on the support plate, the flexible circuit board is connected with the support plate, a containing groove for containing auxiliary electronic devices is formed in the edge position of the support plate, and the auxiliary electronic devices are connected with the flexible circuit board.

10. An electronic device, characterized in that it comprises a camera module according to any one of claims 1-9.