CN110196478B

CN110196478B - Lens, camera module and electronic device

Info

Publication number: CN110196478B
Application number: CN201910496567.5A
Authority: CN
Inventors: 韦怡; 林俊国
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2022-03-22
Anticipated expiration: 2039-06-10
Also published as: CN110196478A

Abstract

The application discloses a lens, a camera module and an electronic device. The lens comprises a lens barrel and a lens group. The lens barrel is provided with an opening and an accommodating space communicated with the opening, the lens group comprises a first lens and a second lens stacked on the first lens, the first lens is convexly arranged at the opening from the accommodating space, the second lens is accommodated in the accommodating space, the first lens comprises an object side surface and a side surface connected with the object side surface, and a first shading layer is arranged on the side surface. The camera module comprises a substrate, the lens and an image sensor. The lens is arranged on the substrate. The image sensor is arranged on the substrate and corresponds to the lens group. The electronic device comprises a shell, a display module and the camera module. The display module is arranged on the shell, the display module is provided with a light through hole, and the first lens of the camera module is arranged corresponding to the light through hole. The first lens is arranged in the opening in a protruding mode from the containing space, the size of the head of the lens can be reduced, and the lens is beneficial to small-sized production.

Description

Lens, camera module and electronic device

Technical Field

The present application relates to the field of optical imaging technologies, and more particularly, to a lens, a camera module, and an electronic device.

Background

In order to bring better screen display experience effect to consumers, the screen occupation ratio of the mobile phone screen is higher and higher. In order to improve the screen ratio of the mobile phone screen on the premise of keeping the front camera, a Liuhai screen, a water drop screen, a hole digging screen and the like are successively disclosed. It can be understood that the larger the head size of the camera is, the larger the opening size for avoiding the camera is formed on the mobile phone screen, so that the size of an effective display area of the mobile phone screen is reduced, and the screen occupation ratio of the mobile phone is reduced.

Disclosure of Invention

The embodiment of the application provides a lens, a camera module and an electronic device.

The lens barrel of the embodiment of the application includes:

the lens barrel is provided with an opening and an accommodating space communicated with the opening; and

the lens group, the lens group include first lens with the second lens that first lens piled up the setting, first lens certainly the accommodation space is protruding to be located the opening, the second lens accept in the accommodation space, first lens includes the object side surface and connects the side on object side surface, the side is provided with first light shield layer.

In the lens of the embodiment of the application, the first lens is convexly arranged at the opening from the accommodating space, so that the size of the head part of the lens can be reduced, and the miniaturization production of the lens is facilitated; in addition, the first light shielding layer enables the first light shielding layer to have the function of a diaphragm, the size of a light beam is limited, and the optical performance of the lens is improved.

The camera module of the present application includes a substrate, the lens barrel of any one of the above embodiments, and an image sensor. The lens is arranged on the substrate. The image sensor is arranged on the substrate and corresponds to the lens group.

In the camera module of the embodiment of the application, the first lens is convexly arranged at the opening from the accommodating space, so that the size of the head of the lens can be reduced, and the miniaturization production of the lens is facilitated; in addition, the first light shielding layer enables the first light shielding layer to have the function of a diaphragm, the size of a light beam is limited, and the optical performance of the lens is improved.

The electronic device comprises a shell, a display module and the camera module. The display module is arranged on the shell, the display module is provided with a light through hole, and the first lens of the camera module is arranged corresponding to the light through hole.

In the electronic device of the embodiment of the application, the first lens is convexly arranged at the opening from the accommodating space, so that the size of the head part of the lens can be reduced, and the miniaturization production of the lens is facilitated; in addition, the first light shielding layer enables the first light shielding layer to have the function of a diaphragm, the size of a light beam is limited, and the optical performance of the lens is improved.

Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a lens barrel of certain embodiments of the present application;

FIG. 2 is an enlarged schematic view at I in FIG. 1;

fig. 3 is a sectional view of a camera module according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Description of the main element symbols:

the electronic device 1000, the housing 1001, the display module 1002, the light passing hole 1003, the sealing member 1004, the cover 1005, the camera module 100, the substrate 101, the image sensor 102, the lens 10, the lens barrel 11, the barrel body 12, the flange 13, the opening 14, the accommodating space 15, the lens group 16, the first lens 17, the optical portion 18, the convex edge 19, the second lens 20, the object side surface 21, the side surface 22, the first light shielding layer 23, the second light shielding layer 24, the mounting surface 25, and the third lens 26.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Referring to fig. 1 to 4, the present disclosure provides a lens 10, a camera module 100 and an electronic device 1000. The electronic device 1000 includes a camera module 100, and the camera module 100 includes a lens 10. The specific contents are as follows:

referring to fig. 1 and 2, a lens barrel 10 according to an embodiment of the present disclosure includes a lens barrel 11 and a lens group 16. The lens barrel 11 has an opening 14 and a receiving space 15 communicating with the opening 14, the lens group 16 includes a first lens 17 and a second lens 20 stacked on the first lens 17, the first lens 17 is protruded from the receiving space 15 to the opening 14, the second lens 20 is received in the receiving space 15, the first lens 17 includes an object side surface 21 and a side surface 22 connected to the object side surface 21, and the side surface 22 is provided with a first light shielding layer 23.

In the lens 10 of the embodiment of the application, the first lens 17 is protruded from the accommodating space 15 to the opening 14, so that the size of the head of the lens 10 can be reduced, and the miniaturization production of the lens 10 is facilitated; in addition, the first light shielding layer 23 enables the first light shielding layer 23 to have the function of a diaphragm, so that the size of light beams is limited, and the optical performance of the lens 10 is improved.

Further, the lens barrel 11 is made of plastic, which is low in cost and strong in plasticity, and today, the plastic manufacturing is beneficial to mass production of the lens 10, and reduces the cost of the lens 10. Of course, the lens barrel 11 may be made of not only plastic. The material of the lens barrel 11 may be set according to different situations, and for example, the lens barrel 11 may also be made of iron. The specific material of the lens barrel 11 is not limited herein.

Furthermore, the plastic is black plastic, and the light transmittance of the black plastic is weak, so that the condition that light enters the accommodating space 15 from the periphery of the lens barrel 11 can be prevented, and the optical performance of the lens 10 is improved.

Further, the second lens 20 is composed of a plurality of third lenses 26, wherein the number of the third lenses 26 may be 2, 3, 4, 5 or 6, and the specific number of the third lenses is not limited herein.

In some embodiments, the side 22 is a mesa.

The circular truncated cone comprises an upper circle and a lower circle, the diameter of the upper circle is smaller than that of the lower circle, the side surface 22 is a circular truncated cone surface, the upper end of the side surface 22 is connected with the upper circle, and the lower end of the side surface 22 is connected with the lower circle, so that the side surface 22 has a certain inclination, namely the circular truncated cone surface is the side surface 22 of the circular truncated cone.

Further, the side surface 22 is a circular table surface, so that the side surface 22 has a certain inclination, and thus, the refractive index at the side surface 22 can be changed, when incident light passes through the side surface 22, because the side surface 22 has a certain inclination, the incident light can be refracted to an area outside the lens 10, so that the incident light cannot be projected into the accommodating space 15 after passing through the inclined surface, and further, the situation that the incident light is projected onto the image sensor 102 in the lens 10 through the side surface 22 to affect the optical performance of the lens 10 cannot occur.

In some embodiments, the lens barrel 11 includes a barrel body 12 and a flange 13 extending inward from one axial end of the barrel body 12, the flange 13 defines an opening 14, the first lens 17 includes an optical portion 18 and a flange 19 extending from the optical portion 18, the optical portion 18 includes an object side surface 21 and a side surface 22, and the flange 13 abuts against the flange 18.

The arrangement of the flange 13 and the convex edge 19 can improve the stability between the first lens 17 and the lens barrel 11, prevent the first lens 17 from loosening during the use of the lens 10, and thus improve the optical performance of the lens 10.

Referring to fig. 1, in some embodiments, flange 19 includes a mounting surface 25 facing away from second lens 20 and connected to side 22, mounting surface 25 abutting flange 13, and mounting surface 25 being provided with a second light-shielding layer 24.

The mounting surface 25 can abut against the flange 13, so that the stability between the first lens 17 and the lens barrel 11 can be improved, and the situation that the optical performance of the lens 10 is affected due to instability between the first lens 17 and the lens barrel 11 in the use process of the lens 10 is prevented.

Further, the second light shielding layer 24 is disposed to prevent incident light from entering the accommodating space 15 when passing through the flange 13, and the incident light is shielded (or absorbed) by the light shielding layer when passing through the flange 13, so that the incident light cannot enter the lens barrel 11, and thus the incident light cannot be projected onto the image sensor 102 of the camera module 100 after passing through the flange 13, thereby preventing the image sensor 102 from forming ghost images and further improving the optical performance of the lens 10.

Referring to fig. 1 and 2, in some embodiments, the angle a formed between the mounting surface 25 and the side surface 22 is in a range of 95 to 120 degrees.

When the angle a formed between the mounting surface 25 and the side surface 22 is too large, or when the angle a formed between the mounting surface 25 and the side surface 22 is too small, the angle of view of the lens 10 is affected, and the optical performance of the lens 10 is affected.

Referring to fig. 1 and 2, in some embodiments, the thickness b of the first light shielding layer 23 ranges from 0.05mm to 0.08 mm; or the thickness c of the second light-shielding layer 24 is in the range of 0.05mm to 0.08 mm.

The thicknesses of the first light shielding layer 23 and the second light shielding layer 24 are too small, the light shielding (or absorbing) capacity of the first light shielding layer 23 and the second light shielding layer 24 can be reduced, the thicknesses of the first light shielding layer 23 and the second light shielding layer 24 are too high, the thickness of the lens 10 can be increased, and the size of the lens 10 can be increased, the thickness b of the first light shielding layer 23 ranges from 0.05mm to 0.08mm, and the thickness c of the second light shielding layer 24 ranges from 0.05mm to 0.08mm, so that the problems can be effectively solved.

The thickness b of the first light shielding layer 23 may not only be in the range of 0.05mm to 0.08mm, but also be set in different cases, for example, the thickness b of the first light shielding layer 23 may be in the range of 0.04mm to 0.07mm, and the thickness b of the first light shielding layer 23 may be in the range of 0.06mm to 0.09 mm. The specific range of the thickness b of the first light-shielding layer 23 is not limited herein. In the present embodiment, the thickness b of the first light-shielding layer 23 is 0.06 mm.

Further, the thickness c of the second light shielding layer 24 may not only be in the range of 0.05mm to 0.08mm, but also be set in the range of the thickness c of the second light shielding layer 24 according to different situations, for example, the thickness c of the second light shielding layer 24 may be in the range of 0.04mm to 0.07mm, and for example, the thickness c of the second light shielding layer 24 may be in the range of 0.06mm to 0.09 mm. The specific range of the thickness c of the second light-shielding layer 24 is not limited herein. In the present embodiment, the thickness c of the second light-shielding layer 24 is 0.06 mm.

Specifically, in the present embodiment, the thickness b of the first light-shielding layer 23 is the same as the thickness c of the second light-shielding layer 24. Of course, in other embodiments, the thickness b of the first light shielding layer 23 and the thickness c of the second light shielding layer 24 are the same. For example, in other embodiments, the thickness b of the first light shielding layer 23 may be 0.05mm, and the thickness c of the second light shielding layer 24 may be 0.06 mm. For another example, in another embodiment, the thickness b of the first light-shielding layer 23 may be 0.06mm, and the thickness c of the second light-shielding layer 24 may be 0.05 mm. Here, whether the thickness b of the first light shielding layer 23 is the same as the thickness c of the second light shielding layer 24 is not limited.

Referring to fig. 1, in some embodiments, the radial dimension d of the object-side surface 21 ranges from 1.5mm to 1.7 mm.

The radial dimension d of the object-side surface 21 in the range of 1.5mm to 1.7mm is advantageous for controlling the field angle of the lens 10, so that the situation that the field angle is too large or too small can be prevented, and the optical performance of the lens 10 is improved.

It is understood that the radial dimension d of the object side surface 21 may not only range from 1.5mm to 1.7mm, but the radial dimension d of the object side surface 21 may be set according to different situations. For example, the radial dimension d of the object-side surface 21 ranges from 1.55mm to 1.65 mm. For another example, the radial dimension d of the object-side surface 21 ranges from 1.4mm to 1.7 mm. The specific range of the radial dimension d of the object side surface 21 is not limited herein.

In the present embodiment, the radial dimension d of the object-side surface 21 is 1.6 mm.

In some embodiments, the first light-shielding layer 23 and/or the second light-shielding layer 24 are black ink.

The black ink has opacity, and first light shield layer 23 and second light shield layer 24 adopt black ink setting, and when incident light passes through black ink, can not pass black ink, so, can prevent that incident light from passing first light shield layer 23 and second light shield layer 24 and getting into inside the lens cone 11, and then prevent that incident light can not project on the image sensor 102 of camera module 100 behind first light shield layer 23 and the second light shield layer 24 to avoid image sensor 102 can form the ghost.

It will be appreciated that the first and second opacifying layers 23, 24 may not be solely black ink. Specific materials of the first light-shielding layer 23 and the second light-shielding layer 24 may be set according to different cases. The specific material of the first light-shielding layer 23 and the second light-shielding layer 24 is not limited herein.

In the present embodiment, the material of the first light-shielding layer 23 is the same as that of the second light-shielding layer 24. Of course, in other embodiments, the material of the first light-shielding layer 23 and the material of the second light-shielding layer 24 may be different. Here, no limitation is made on whether the materials of the first light-shielding layer 23 and the second light-shielding layer 24 are the same.

Referring to fig. 1, in some embodiments, the field angle e of the lens assembly 16 ranges from 79 to 81 degrees.

The field angle e is also called field of view, and the size of the field angle e determines the field of view of the lens 10. The larger the angle of view e, the larger the field of view, but the smaller the optical magnification in this case. The smaller the angle of view e, the smaller the field of view, but the higher the optical magnification at that time. That is, as the angle of view e is larger, the field of view is larger, and the number of objects thus illuminated is larger, but the sharpness of the illuminated objects is not high. As the angle of view e is smaller, the field of view is smaller, and thus the number of objects to be illuminated is smaller, but the sharpness of the illuminated objects is high. The field angle e of the lens assembly 16 is 79-81 degrees, which can optimize the definition of the object illuminated by the lens 10 and the object illuminated by the lens, thereby improving the optical performance of the lens 10.

It can be understood that the field angle e of the lens assembly 16 may not be limited to 79-81 degrees. The range of the field angle e of the lens group 16 may be set according to different situations. For example, the field angle e may be in a range of 79.5 to 80.5 degrees. For example, the field angle e may be 79 to 80.5 degrees. The specific range of the angle of view e is not limited herein.

In the present embodiment, the angle of the field angle e is 80.2 degrees.

Referring to fig. 3, a camera module 100 of the present application includes a substrate 101, a lens 10 according to any one of the above embodiments, and an image sensor 102. The lens 10 is disposed on the substrate 101. The image sensor 102 is disposed on the substrate 101 and corresponds to the lens group 16.

In the camera module 100 according to the embodiment of the present application, the first lens 17 is protruded from the accommodating space 15 to the opening 14, so that the size of the head of the lens 10 can be reduced, which is beneficial to the miniaturization production of the lens 10; in addition, the first light shielding layer 23 enables the first light shielding layer 23 to have the function of a diaphragm, so that the size of light beams is limited, and the optical performance of the lens 10 is improved.

Further, the substrate 101 may be a printed circuit board, which has advantages of high working efficiency and low cost. The substrate 101 is a printed circuit board, which is advantageous for mass production of the camera module 100. It is understood that the substrate 101 may not be just a printed circuit board. The specific type of the substrate 101 may be set according to different situations. For example, the substrate 101 may also be a flexible circuit board, a rigid-flex board, or the like. The specific material of the substrate 101 is not limited herein.

Specifically, the correspondence between the image sensor 102 and the first lens 17 means: the optical axis of the lens assembly 16 passes through the center of the image sensor 102; alternatively, the central axis of the first lens 17 passes through the center of the image sensor 102. The lens barrel 11 may be directly mounted on the substrate 101; alternatively, the camera module 100 further includes a ring-shaped lens holder (not shown) mounted on the substrate 101, and the lens barrel 11 is mounted at an end of the lens holder away from the substrate 101 to be mounted on the substrate 101 through the lens holder. When the lens barrel 11 is directly mounted on the substrate 101, the image sensor 102 may be housed within the lens barrel 11; when the lens barrel 11 is mounted on the substrate 101 through the lens mount, the image sensor 102 may be housed in the lens mount.

Referring to fig. 4, an electronic device 1000 of the present application includes a housing 1001, a display module 1002, and the camera module 100 of the above embodiment. The display module 1002 sets up at casing 1001, and clear hole 1003 has been seted up to the display module 1002, and the first lens 17 of camera module 100 corresponds the setting with clear hole 1003.

In the electronic device 1000 according to the embodiment of the application, the first lens 17 is protruded from the accommodating space 15 to the opening 14, so that the size of the head of the lens 10 can be reduced, which is beneficial to the miniaturization production of the lens 10; in addition, the first light shielding layer 23 enables the first light shielding layer 23 to have the function of a diaphragm, so that the size of light beams is limited, and the optical performance of the lens 10 is improved.

Further, the housing 1001 may be made of plastic. The plastic has high plasticity and is economical, which is beneficial to mass production of the electronic device 1000. It will be appreciated that the housing 1001 may be made of more than just plastic. The material of the housing 1001 may be set according to circumstances, and for example, the housing 1001 may be made of stainless steel, iron, or the like. The specific material of the housing 1001 is not limited herein.

The display module 1002 may be an Organic Light-Emitting Diode (OLED) display module 1002. Of course, the display module 1002 may be not only the oled display module 1002. The specific type of the display module 1002 can be set according to different situations. The specific type of the display module 1002 is not limited herein.

The light passing hole 1003 may have a circular cross section. Of course, the cross section of the light passing hole 1003 may not only be circular, but also be set to be specific in shape according to different situations, for example, the cross section of the light passing hole 1003 may also be rectangular, oval or polygonal.

In some embodiments, the object side surface 21 is located in the light passing hole 1003.

Therefore, the incident light passing through the light passing hole 1003 can fully enter the lens 10, and the optical performance of the electronic device 1000 is improved.

Further, the electronic device 1000 may further include a sealing member 1004, where the sealing member 1004 is disposed between the lens barrel 11 and the display module 1002, and the sealing member 1004 surrounds the light passing hole 1003. The sealing member 1004 is used to seal a gap between the flange 13 of the lens barrel 11 and the display module 1002. The sealing element 1004 may be in the shape of a circular ring, a square ring, an elliptical ring, or a polygonal ring; more specifically, the shape of the top surface of the barrel 11 of the seal 1004 corresponds, for example, when the top surface of the barrel 11 is circular, the seal 1004 is also circular; when the top surface of the lens barrel 11 has a square ring shape, the sealing member 1004 also has a square ring shape. The sealing element 1004 is a circular ring-shaped soft material, for example, the sealing element 1004 may be circular ring-shaped foam, circular ring-shaped silicone rubber, or the like. The inner diameter of the sealing member 1004 is larger than the diameter of the light transmission hole 1003, and the central axis of the sealing member 1004 coincides with the central axis of the light transmission hole 1003.

Further, the electronic device 1000 further includes a cover 1005, and the cover 1005 is disposed on one side of the display module 1002 and covers the light passing hole 1003. The lens barrel 11 is located on the side of the display module 1002 opposite to the cover plate 1005, and the optical portion 18 extends into the light through hole 1003.

In the electronic device 1000 of the present embodiment, the sealing member 1004 is disposed between the lens barrel 11 and the display module 1002, so that dust, moisture, and the like outside the electronic device 1000 can be prevented from entering the light passing hole 1003 along the gap between the top surface of the lens barrel 11 and the display module 1002.

Further, the area of the sealing member 1004 is larger than that of the flange 13 of the lens barrel 11, so that the sealing member 1004 can better seal the gap between the flange 13 of the lens barrel 11 and the display module 1002.

Specifically, the electronic device 1000 may be an electronic device 1000 having the camera module 100, such as a mobile phone, a computer, a tablet, and the like. Of course, the electronic device 1000 is not limited to the above three types. The specific type of electronic device 1000 may be set according to different circumstances. The specific type of the electronic device 1000 is not limited herein.

In the description herein, reference to the description of the terms "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the 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.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "a plurality" means at least two, e.g., two, three, unless specifically limited otherwise.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art within the scope of the present application, which is defined by the claims and their equivalents.

Claims

1. A lens barrel characterized by comprising:

the lens barrel is provided with an opening and an accommodating space communicated with the opening, and comprises a barrel body and a flange extending inwards from one axial end of the barrel body, wherein the flange defines the opening; and

the lens group, the lens group include first lens with the second lens that first lens piled up the setting, first lens certainly the accommodation space is protruding to be located the opening, first lens protrusion in the flange, the second lens accept in the accommodation space, first lens includes the object side surface and connects the side on object side surface, the side is provided with first light shield layer, the side is the mesa, the object side surface is arranged in being arranged in the logical unthreaded hole of electronic device's display module.

2. The lens barrel according to claim 1, wherein a radial dimension of the object-side surface is in a range of 1.5mm to 1.7 mm.

3. The lens barrel according to claim 1, wherein the lens barrel is made of plastic.

4. The lens barrel as claimed in claim 1, wherein the field angle of the lens group is 79-81 degrees.

5. The lens barrel according to claim 1, wherein the first lens includes an optical portion and a convex edge extending from the optical portion, the optical portion including the object-side surface and the side surface, the convex edge abutting against the flange.

6. A lens barrel according to claim 5, wherein the flange includes a mounting surface facing away from the second lens and connected to the side surface, the mounting surface abutting against the flange, the mounting surface being provided with a second light-shielding layer.

7. The lens barrel according to claim 6, wherein an included angle formed between the mounting surface and the side surface is in a range of 95-120 degrees.

8. The lens barrel according to claim 6, wherein a thickness of the first light shielding layer ranges from 0.05mm to 0.08 mm; or the thickness of the second shading layer ranges from 0.05mm to 0.08 mm.

9. The lens barrel according to claim 6, wherein the first light-shielding layer and/or the second light-shielding layer is black ink.

10. A camera module, comprising:

a substrate;

a lens barrel according to any one of claims 1 to 9, disposed on the substrate; and

the image sensor is arranged on the substrate and corresponds to the lens group.

11. An electronic device, comprising:

a housing;

the display module is arranged on the shell and provided with a light through hole; and

the camera module of claim 10, wherein the first lens of the camera module is disposed corresponding to the light-passing hole.

12. The electronic device of claim 11, wherein the object-side surface is located in the light-passing hole.