WO2022073384A1

WO2022073384A1 - Camera module and electronic device having same

Info

Publication number: WO2022073384A1
Application number: PCT/CN2021/112573
Authority: WO
Inventors: 梁镓俊
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-10-09
Filing date: 2021-08-13
Publication date: 2022-04-14

Abstract

A camera module (100) and an electronic device (1000) having same. The camera module (100) comprises a circuit board (1), a photosensitive element (2), a connecting wire (3), a support (4) and a light-filtering element (5), wherein the photosensitive element (2) is arranged on the circuit board (1); one end of the connecting wire (3) is connected to the photosensitive element (2), and the other end of the connecting wire (3) is connected to the circuit board (1); the support (4) is arranged on the circuit board (1), a light-transmitting hole (40) is provided in the support (4), the light-transmitting hole (40) is opposite the photosensitive element (2), and the projection of the contour of the light-transmitting hole (40) on the circuit board (1) is located on the outer side of the connecting line (3); and the light-filtering element (5) is supported on the support (4).

Description

Camera module and electronic device having the same

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based on the Chinese patent applications with application numbers 202011071767.5 and 202022230007.6, and the filing date is October 09, 2020, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is incorporated herein by reference.

technical field

The present application relates to the field of electronic technology, and in particular, to a camera module and an electronic device having the same.

Background technique

In the related art, an electronic device is usually provided with a camera module. However, the thickness of the camera module is relatively large and takes up a large space, which is not conducive to the light and thin design of the electronic device.

SUMMARY OF THE INVENTION

One purpose of the present application is to propose a camera module, the camera module has a small thickness, which is beneficial to realize the light and thin design of electronic equipment.

The present application also proposes an electronic device having the above-mentioned camera module.

The camera module according to the embodiment of the first aspect of the present application includes: a circuit board; a photosensitive element, the photosensitive element is arranged on the circuit board; a connecting wire, one end of the connecting wire is connected to the photosensitive element, so The other end of the connecting wire is connected to the circuit board; a bracket, the bracket is arranged on the circuit board, the bracket is provided with a light-passing hole, the light-passing hole is opposite to the photosensitive element, the The projection of the outline of the light-passing hole on the circuit board is located outside the connection line; the filter element is supported on the bracket.

The electronic device according to the embodiment of the second aspect of the present application includes the camera module according to the embodiment of the first aspect of the present application.

Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.

Description of drawings

1 is a perspective view of a camera module according to an embodiment of the present application;

2 is a cross-sectional view of a camera module according to an embodiment of the present application;

Figure 2a is an enlarged view of the circled part A in Figure 2;

3 is a cross-sectional view of a camera module according to another embodiment of the present application;

Figure 3a is an enlarged view of the circled part B in Figure 3;

4 is a cross-sectional view of a camera module according to yet another embodiment of the present application;

Figure 4a is an enlarged view of the circled portion C in Figure 4;

FIG. 5 is a schematic diagram of an electronic device according to an embodiment of the present application.

Reference number:

100. Camera module;

1. Circuit board; 2. Photosensitive element; 3. Connecting wire; 4. Bracket; 40. Light hole; 41. Bracket body; 42. Reinforcing piece; 5. Filter element; 6. Motor; 7. Lens; 8 , the avoidance department;

1000. Electronic equipment.

Detailed ways

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

The following describes the camera module 100 according to the embodiments of the present application with reference to the accompanying drawings.

The camera module 100 according to the embodiment of the first aspect of the present application includes a circuit board 1 , a photosensitive element 2 , a connecting wire 3 , a bracket 4 and a filter element 5 .

The photosensitive element 2 is arranged on the circuit board 1 . Specifically, the photosensitive element 2 is a chip, the photosensitive element 2 can be laid on the circuit board 1 , and the photosensitive element 2 is electrically connected to the circuit board 1 . One end of the connecting wire 3 is connected to the photosensitive element 2 , and the other end of the connecting wire 3 is connected to the circuit board 1 . Optionally, the connecting wire 3 is a gold wire.

The bracket 4 is arranged on the circuit board 1 , and the filter element 5 is supported on the bracket 4 . Optionally, the filter element 5 may be blue glass, but is not limited thereto. The bracket 4 is provided with a light-passing hole 40 . The light-passing hole 40 is opposite to the photosensitive element 2 and the filter element 5 .

It should be noted that the direction “inside” in this application refers to the side adjacent to the center of the camera module 100 , and correspondingly, the direction “outside” in this application refers to a side away from the center of the camera module 100 . side. In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only for the purpose of It is convenient to describe the application and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the application.

2 to 4 , the inner end of the connecting wire 3 is connected to the photosensitive element 2 , and the outer end of the connecting wire 3 is connected to the circuit board 1 . The orthographic projection of the outline of the light-passing hole 40 on the circuit board 1 is located outside the connection line 3 .

It can be understood that the thickness dimension of the camera module 100 is the sum of the height of the lens body, the back focus distance of the lens, the thickness of the photosensitive element 2 and the thickness of the circuit board 1 . The back focus distance of the lens is the distance between the lens assembly and the photosensitive element 2 . The lens assembly includes a motor 6 and a lens 7 . 2-4, the motor 6 is provided with a mounting groove, and the lens 7 is mounted in the mounting groove. The motor 6 can be directly connected to the circuit board 1 or connected to the bracket 4 .

Referring to FIGS. 2-4 , the back focus distance of the lens of the camera module 100 in the present application is the sum of the thickness of the photosensitive element 2 and the height of the avoidance space of the connecting line 3, while the back focus of the lens of the camera module 100 in the related art The distance is the sum of the thickness of the photosensitive element 2 , the thickness of the bracket 4 and the height of the avoidance space for avoiding the connection line 3 .

According to the camera module 100 of the embodiment of the present application, the orthographic projection of the outline of the light-passing hole 40 on the circuit board 1 is located outside the connection line 3, and by making the filter element 5 and the light-passing hole 40 larger, The superposition of the bracket 4 and the connecting line 3 in the thickness direction of the camera is avoided, so that only a space for avoiding the connecting line 3 needs to be reserved between the photosensitive element 2 and the filter element 5, and the thickness space of the bracket 4 is omitted. The lens back focal distance of the camera module 100 is greatly reduced, thereby reducing the thickness and size of the camera module 100 , realizing the lightness and thinness of the camera module 100 , which is beneficial to realize the lightness and thinness of the electronic device 1000 .

According to some embodiments of the present application, the connection line 3 and the filter element 5 are spaced apart, and the minimum distance between the connection line 3 and the filter element 5 is d, and d satisfies: 0.05mm≤d≤0.1mm. The connecting line 3 is generally connected between the circuit board 1 and the photosensitive element 2 in an arc or curve. The minimum distance between the connection line 3 and the filter element 5 is the distance between the highest point of the connection line 3 and the filter element 5 .

For example, in some specific embodiments of the present application, the minimum distance d between the connecting line 3 and the filter element 5 is d=0.05mm, d=0.06mm, d=0.07mm, d=0.08mm, d=0.09 mm, d = 0.1 mm. Therefore, the reliability of the electrical connection between the circuit board 1 and the photosensitive element 2 can be ensured, and the lens back focus distance of the camera module 100 can be further reduced, thereby further reducing the thickness of the camera module 100 .

According to some embodiments of the present application, the bracket 4 is provided with an escape portion 8 , and an accommodation space for accommodating electrical components is defined between the escape portion 8 and the circuit board 1 . Referring to FIG. 2 , the avoidance portion 8 may be formed by the lower surface of the bracket 4 being recessed upward. Therefore, the electrical components can be arranged in the above-mentioned accommodating space to prevent dust, liquid, etc. from entering the interior of the electrical components, effectively protecting the electrical components, and there is no need to additionally provide an encapsulation layer for encapsulating the electrical components, which not only further reduces the camera head The thickness of the module 100 also saves packaging costs.

According to some embodiments of the present application, the bracket 4 is glued on the circuit board 1 . For example, the bracket 4 can be adhered to the circuit board 1 by adhesive or double-sided tape. Therefore, by directly adhering the bracket 4 to the circuit board 1, the bracket 4 can be conveniently and firmly connected to the circuit board 1. The integrated injection molding and packaging process) greatly reduces the cost of the camera module 100 .

In some embodiments of the present application, the bracket 4 is a plastic part. Therefore, the overall quality of the bracket 4 can be reduced, thereby the overall quality of the camera module 100 can be reduced, which is beneficial to realize the light and thin design of the camera module 100 and the electronic device 1000 having the camera module 100 .

In other embodiments of the present application, the bracket 4 includes a bracket body 41 and a reinforcement member 42 , and the reinforcement member 42 is connected to the bracket body 41 . The reinforcement member 42 can improve the overall structural strength of the bracket 4 . The light-passing hole 40 passes through the reinforcing member 42 , and a portion of the reinforcing member 42 close to the light-passing hole 40 extends into the light-passing hole 40 to form a support portion. Referring to FIG. 4 , the filter element 5 may be supported on the stiffener 42 .

Therefore, by disposing the reinforcing member 42 and supporting the filter element 5 on the reinforcing member 42, not only the assembly stability of the bracket 4 can be improved, the probability of deformation of the bracket 4 during use and falling can be reduced, but also the bracket can be effectively extended. The service life of 4 is reduced, the possibility of fatigue damage of the bracket 4 during use is reduced, the assembly stability and reliability of the camera module 100 can be improved, and the practicability and imaging effect of the camera module 100 can be improved.

According to some embodiments of the present application, the stiffener 42 is formed in a ring shape. Thereby, the contact area between the filter element 5 and the reinforcing member 42 can be increased, so that the support stability of the bracket 4 can be improved. In addition, the reinforcing member 42 can easily realize a ring shape, for example, a through hole can be directly passed through the reinforcing member 42, and the setting method is simple and the production efficiency is high.

According to some embodiments of the present application, the reinforcing member 42 is a metal member or a glass fiber member, and the bracket body 41 is a plastic member. In this way, the overall structural strength of the bracket 4 can be improved, the overall mass of the bracket 4 can be reduced, and the production cost can be reduced.

According to some embodiments of the present application, the bracket body 41 and the reinforcement member 42 are injection molded. Therefore, the processing technology of the bracket 4 can be simplified, which is beneficial to improve the production efficiency, reduce the production cost, and can improve the overall structural strength of the bracket 4 .

The electronic device 1000 according to the embodiment of the second aspect of the present application includes the camera module 100 according to the embodiment of the first aspect of the present application.

According to the electronic device 1000 of the embodiment of the second aspect of the present application, by setting the camera module 100 according to the embodiment of the first aspect of the present application, the orthographic projection of the outline of the light-passing hole 40 on the circuit board 1 is located on the connection line 3 On the outside of the camera, by making the filter element 5 and the light-pass hole 40 larger, the superposition of the bracket 4 and the connecting line 3 in the thickness direction of the camera is avoided, so that only the space between the photosensitive element 2 and the filter element 5 needs to be reserved. It is used to avoid the avoidance space of the connecting wire 3, saves the thickness space of the bracket 4, greatly reduces the lens back focal distance of the camera module 100, and further reduces the thickness of the camera module 100. The thinning of the group 100 is beneficial to realize the thinning of the electronic device 1000 .

Exemplarily, the electronic device 1000 may be any one of various types of computer system devices that are mobile or portable and perform wireless communication (only one form is exemplarily shown in FIG. 5 ). Specifically, the electronic device 1000 may be a mobile phone or smart phone (eg, iPhone TM based, Android TM based phone), portable gaming device (eg Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), laptop laptops, PDAs, portable Internet devices, music players, and data storage devices, other handheld devices and devices such as watches, in-ear headphones, pendants, headphones, etc., the electronic device 1000 can also be other wearable devices (eg, Head mounted devices (HMDs) such as electronic glasses, electronic clothing, electronic bracelets, electronic necklaces, electronic tattoos, electronic devices 1000 or smart watches.

The electronic device 1000 may also be any of a plurality of electronic devices 1000 including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music Recorders, VCRs, Cameras, Other Media Recorders, Radios, Medical Equipment, Vehicle Transportation Instruments, Calculators, Programmable Remote Controls, Pagers, Laptops, Desktops, Printers, Netbooks, Personal Digital Assistants (PDAs) , Portable Multimedia Players (PMP), Moving Picture Experts Group (MPEG-1 or MPEG-2) Audio Layer 3 (MP3) players, portable medical devices and digital cameras and combinations thereof.

In the description of the application, it should be understood that the orientation or positional relationship indicated by the terms "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the application. In the description of this application, "plurality" means two or more.

In the description of this application, a first feature being "above" or "under" a second feature may include that the first and second features are in direct contact, or that the first and second features are not in direct contact but through them Additional feature contacts between.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims

A camera module, comprising:

circuit board;

a photosensitive element, the photosensitive element is arranged on the circuit board;

a connecting line, one end of the connecting line is connected with the photosensitive element, and the other end of the connecting line is connected with the circuit board;

A bracket, the bracket is arranged on the circuit board, the bracket is provided with a light-passing hole, the light-passing hole is opposite to the photosensitive element, and the outline of the light-passing hole is projected on the circuit board on the outside of the connecting line;

a filter element, the filter element is supported on the support.
The camera module according to claim 1, wherein the connecting line and the filter element are spaced apart, and the minimum distance between the connecting line and the filter element is d, and the d Satisfaction: 0.05mm≤d≤0.1mm.
The camera module according to claim 1 or 2, wherein the connecting wire is connected between the circuit board and the photosensitive element in an arc or curve.
The camera module according to any one of claims 1-3, wherein the bracket is provided with an escape portion, and a space for accommodating electrical components is defined between the escape portion and the circuit board space.
The camera module according to claim 4, wherein a part of the lower surface of the bracket is concave upward to form the avoidance portion.
The camera module according to any one of claims 1-5, wherein the bracket is adhered to the circuit board.
The camera module according to claim 6, wherein the bracket is bonded to the circuit board by an adhesive.
The camera module according to claim 6, wherein the bracket is bonded to the circuit board by double-sided tape.
The camera module according to any one of claims 1-8, wherein the bracket is a plastic part.
The camera module according to any one of claims 1-9, wherein the bracket comprises:

the bracket body; and

a reinforcing piece, the reinforcing piece is connected with the bracket body, the light-passing hole penetrates the reinforcing piece, and the part of the reinforcing piece close to the light-passing hole protrudes into the light-passing hole to be configured as a support department.
The camera module according to claim 10, wherein the filter element is supported on the reinforcing member.
The camera module according to claim 10, wherein the reinforcing member is formed in a ring shape.
The camera module according to claim 10, wherein the reinforcing member is a metal member or a glass fiber member, and the bracket body is a plastic member.
The camera module according to claim 10, wherein the bracket body and the reinforcing member are injection-molded.
The camera module according to any one of claims 1-14, wherein the photosensitive element is a chip, and the chip is laid on the circuit board.
The camera module according to any one of claims 1-15, wherein the connecting wire is a gold wire.
The camera module according to any one of claims 1-16, wherein the filter element is blue glass.
The camera module according to any one of claims 1-17, further comprising;

The lens assembly is connected with the circuit board or the bracket.
The camera module according to claim 18, wherein the lens assembly comprises:

a motor, wherein a mounting slot is arranged in the motor, and the motor is connected with the circuit board or the bracket;

a lens, and the lens is installed in the installation groove.
An electronic device, characterized by comprising the camera module according to any one of claims 1-19.