CN110784632B - Camera and electronic device - Google Patents

Abstract

A camera and an electronic device, the camera includes a lens and an electrochromic aperture. The lens comprises a lens barrel and a lens group, wherein the lens barrel comprises a barrel body and a shading part connected with the barrel body, the shading part protrudes to the object side from the barrel body, and the transverse size of the shading part is smaller than that of the barrel body. The lens group comprises a first lens and a second lens stacked with the first lens, the first lens comprises an optical part, the optical part is used for refracting light, the shading part surrounds the optical part, and the second lens is located in the cylinder body. The electrochromic diaphragm is arranged on the optical axis of the lens and used for adjusting the light emergent quantity of the lens, so that the electrochromic diaphragm can adjust the light emergent quantity of the lens, and the phenomenon that an image shot by the camera is over-exposed or under-exposed is avoided. In addition, the object side end of the camera is small, so that the light entering amount of the camera is not influenced under the condition that the opening corresponding to the camera, which is formed in the electronic device, is small.

Description

Camera and electronic device

Technical Field

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

Background

In the related art, a camera of an electronic device such as a mobile phone may be exposed through an opening formed in a rear cover or a display screen. It can be understood that under other conditions, when the light-entering amount of the camera is large, the image shot by the camera is easy to be overexposed, and when the light-entering amount of the camera is small, the image shot by the camera is easy to be underexposed.

Disclosure of Invention

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

The camera of the embodiment of the application comprises a lens and an electrochromic diaphragm. The lens comprises a lens barrel and a lens group, wherein the lens barrel comprises a barrel body and a shading part connected with the barrel body, the shading part protrudes from the barrel body to the object side, a light inlet is formed in the shading part, and the transverse size of the shading part is smaller than that of the barrel body. The lens group comprises a first lens and a second lens stacked with the first lens, the first lens comprises an optical part, the optical part is used for refracting light, the shading part surrounds the optical part, and the second lens is located in the tube body. The electrochromic diaphragm is arranged on the optical axis of the lens and used for adjusting the light outlet quantity of the lens.

The electronic device of the embodiment of the application comprises:

a housing;

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

in the camera according to the above embodiment, the first lens of the camera is disposed corresponding to the light-passing hole.

In the camera and the electronic device in the embodiment of the application, the light-emitting quantity of the lens can be adjusted by the electrochromic diaphragm, so that the brightness of a shot image of the camera can be adjusted, and the phenomenon of overexposure or underexposure of the image shot by the camera is avoided. In addition, under the condition that the transverse size of the optical part is not changed, the light shielding part surrounds the optical part of the first lens, so that a light inlet corresponding to the optical part is correspondingly smaller, and the size of the light shielding part is smaller; under the condition that the shading part of the camera needs to extend into the open hole formed in the electronic device, the open hole formed in the electronic device is small, and the object side end of the camera extends into the open hole of the electronic device, so that the object side end of the camera cannot be shielded, and the light inlet quantity cannot be influenced.

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 sectional view of a lens barrel of the related art;

fig. 2 is a sectional view of a camera according to an embodiment of the present application;

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

fig. 4 is a structural view of an electrochromic aperture of the embodiment of the present application;

FIG. 5 is another cross-sectional view of a camera head of an embodiment of the present application;

fig. 6 is still another cross-sectional view of a camera head according to an embodiment of the present application;

FIG. 7 is a schematic plan view of an electronic device according to an embodiment of the present application;

fig. 8 to 9 are sectional views of electronic devices according to embodiments of the present application.

Description of the main element symbols:

the lens system comprises a lens 100, a lens barrel 10, a barrel body 12, a barrel part 121, a flange part 122, a light inlet 124, a light shielding part 14, a light shielding wall 142, a protrusion 144, a lens group 20, a first lens 22, an optical part 222, an object side surface 2222, a side surface 2224, a non-optical part 224, a mounting surface 2242, a second lens 24, a light shielding sheet 30 and an adhesive 40;

a camera 200, an electrochromic aperture 80, a signal transmission element 90, a substrate 210, an image sensor 220, and a filter 230;

the electronic device 300, the housing 310, the display module 320, the display panel 3202, the cover plate 3204, the backlight layer 3206, the liquid crystal layer 3208, the light passing hole 330, the light shielding member 340, and the sealing member 350.

Detailed Description

Embodiments of the present application will be further described below with reference to the accompanying drawings. The same or similar reference numbers in the drawings identify the same or similar elements or elements having the same or similar functionality throughout.

In addition, the embodiments of the present application described below in conjunction with the accompanying drawings are exemplary and are only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the present application.

Referring to fig. 1, in a lens structure of a related art camera, an object side end 104 of a lens barrel 102 extends in a radial direction. Since the lens is accommodated in the accommodating space formed by the lens barrel 102, the transverse dimension of the object side end 104 of the lens barrel 102 is larger than the maximum transverse dimension of the object side end lens 106, and both the optical part and the non-optical part of the object side end lens 106 are exposed. Therefore, the size of the lens object side end is large. If the opening of the screen of the electronic device is narrowed, the object-side end of the lens cannot extend into the opening of the screen, and the object-side end lens may be blocked by the screen, which may affect the light-entering amount of the camera. The object side of the lens does not extend into the opening of the screen, and the overall thickness of the electronic device is large, which cannot meet the requirement. If the size of the object side lens 106 is reduced to make the object side of the lens extend into the opening of the screen, the size of the object side lens 106 is reduced, which reduces the light entering amount of the camera.

To this end, the present application proposes a camera 200. Referring to fig. 2, a camera 200 according to an embodiment of the present disclosure includes a lens 100 and an electrochromic diaphragm 80, where the lens 100 includes a lens barrel 10 and a lens group 20. The lens barrel 10 includes a barrel body 12 and a light shielding portion 14 connected to the barrel body 12. The light shielding portion 14 extends from the cylinder main body 12 toward the object side, and the light shielding portion 14 is formed with a light inlet 124. The lens set 20 includes a first lens 22 and a second lens 24 stacked with the first lens 22. The first lens 22 includes an optic 222. The light shielding portion 14 surrounds the optical portion 222, and the optical portion 222 is for refracting light. A second lens 24 is located within the barrel body 12. The electrochromic diaphragm 80 is disposed on the optical axis a of the lens 100, and is used to adjust the light output of the lens 100.

In the camera 200 according to the embodiment of the present application, the electrochromic aperture 80 can adjust the light output amount of the lens 100, so that the brightness of the image captured by the camera 200 can be adjusted, and the phenomenon of overexposure or underexposure of the image captured by the camera 200 is avoided. In addition, under the condition that the transverse size of the optical portion 222 is not changed, the light shielding portion 14 surrounds the optical portion 222 of the first lens 22, so that the light inlet 124 corresponding to the optical portion 222 is correspondingly smaller, and the size of the light shielding portion 14 is smaller; when the light shielding portion 14 of the camera 200 needs to extend into the opening of the electronic device, the opening of the electronic device needs to be smaller, and since the object side end of the camera 200 extends into the opening of the electronic device and the transverse size of the optical portion 222 is unchanged, the object side end of the camera 200 is not shielded, and the amount of light entering is not affected.

Referring to fig. 3, it can be appreciated that the optic 222 of the first lens 22 can have a transverse dimension that is less than the maximum transverse dimension of the first lens 22. The light shielding portion 14 extending toward the object side of the lens barrel 10 surrounds the optical portion 222, and may not surround the entire first lens 22, so that the lateral dimension R of the light shielding portion 14 is smaller than the maximum lateral dimension of the first lens 22, that is, the lateral dimension of the object side end of the lens barrel 10 is smaller than the maximum lateral dimension of the first lens 22.

Therefore, compared to a conventional lens, the camera 200 can reduce the size of the object side end by the light entrance 124 of the light shielding portion 222 of the present application corresponding to the optical portion 222. When the camera 200 of the present application is applied to a front camera of an electronic device, an object side end of the camera 200 extends into a screen opening of the electronic device, so that the opening of the screen of the electronic device can be reduced under the condition that an object side lens (the first lens 22) of the camera 200 is not blocked to ensure a Field of view (FOV) of the lens 100, thereby improving a screen occupation ratio.

In the present application, the number of the first lenses 22 is one, and the number of the second lenses 24 may be one, two or more. In the illustrated embodiment, the number of second lenses 24 is three. The lateral dimension R of the light shielding portion 14 refers to the outer diameter dimension of the light shielding portion 14, and includes the thickness of the lens barrel 10.

It should be noted that the above-mentioned lateral direction is a direction perpendicular to the optical axis a of the lens 100. When the outer peripheral contour of the light shielding portion 14 is circular, the lateral direction of the light shielding portion 14 is the radial direction. Similarly, where the outer circumferential profile of the cartridge body 12 is circular, the transverse direction of the cartridge body 12 is radial.

The object side refers to a side facing the subject, and the image side refers to a side close to the image sensor with respect to the subject. The light refracted by the optical portion 22 may reach the image sensor of the camera 200.

In the present embodiment, the electrochromic aperture 80 is disposed on the optical axis a of the lens 100, which means that the optical axis a of the lens 100 penetrates the electrochromic aperture 80. The optical axis of the lens 100 may coincide with the center of the electrochromic aperture 80. It can be understood that the electrochromic aperture 80 exhibits a stable and reversible color change under the action of an applied electric field, which is visually represented by a reversible change in color and transparency. Thus, the electrochromic element can realize the change of the light transmittance, so that the light quantity passing through the electrochromic diaphragm 80 can be adjusted, and the light output quantity of the lens 100 can be adjusted.

It should be noted that the electrochromic diaphragm 80 can adjust the light quantity on the light incoming side of the lens 100 to adjust the light outgoing quantity of the lens, and can also adjust the light quantity on the light outgoing side of the lens 100 to adjust the light outgoing quantity of the lens 100.

The electrochromic aperture 80 is an electrochromic element. In one example, the electrochromic aperture 80 is in the form of a sheet, and the electrochromic aperture 80 is disposed in a stack with the first optic 22. As shown in fig. 4, the electrochromic aperture 80 includes a first conductive layer 81, a second conductive layer 82, and an electrochromic layer 8, an electrolyte layer 84, and an ion storage layer 85, which are stacked. The electrochromic layer 83 is disposed between the first conductive layer 81 and the second conductive layer 82. The first conductive layer 81 and the second conductive layer 82 are used in cooperation with applying a voltage to the electrochromic layer 83. An electrolyte layer 84 and an ion storage layer 85 are sequentially stacked and disposed between the electrochromic layer 83 and the second conductive layer 82.

In this way, the first conductive layer 81 and the second conductive layer 82 can provide a voltage for the electrochromic, and the electrolyte layer 84 and the ion storage layer 85 can ensure that the transmittance of the electrochromic layer 83 can be normally changed, so that the transmittance of the electrochromic layer can be changed, thereby changing the transmittance of the electrochromic layer.

Specifically, the first conductive layer 81 may be formed of Indium Tin Oxide (ITO) or nano silver. Thus, the first conductive layer 81 can have good conductivity and high transparency. According to an embodiment of the present invention, the sheet resistance of the first conductive layer 81 is less than 100 Ω. Thus, the first conductive layer 81 has good conductive performance, and power consumption when the electrochromic function is used is reduced. When the coloration layer is formed by electropolymerization, the first conductive layer 81 may be formed of ITO, and the sheet resistance may be less than 50 ohms, such as may be less than 30 ohms. And facilitates formation of a color-changing layer on the surface of the first conductive layer 81 by electropolymerization.

In addition, the first conductive layer 81 has high transparency, and can better represent the color generated by the color changing layer. The first conductive layer 81 may be formed by physical vapor deposition. The features of the second conductive layer 82 are similar to those of the first conductive layer 81 and will not be described again.

The electrochromic layer 83 may show different colors in different states (oxidized, reduced, neutral), achieving different color changes, resulting in various appearance effects. The electrochromic layer 83 may be an organic electrochromic layer 83 that exhibits multiple colors with high timeliness. A specific manner of forming the electrochromic layer 83 is not particularly limited, and may be formed by electropolymerization, for example.

The thickness of the electrochromic layer 83 is not particularly limited and may be selected by those skilled in the art according to actual needs. For example, the electrochromic layer 83 may have a thickness of less than 200 nm. Thereby, the color change effect is further improved. The color-changing layer may be an organic electrochromic layer 83, which exhibits various colors with high timeliness.

The material of the electrochromic layer 83 may be selected from one or more of tungsten oxide, molybdenum oxide, titanium oxide, prussian blue, polythiophene, viologen, etc., of course, the material of the electrochromic layer 83 is not only a single choice or a combination of several materials, but the electrochromic layer 83 may also be made of other materials in different cases. The specific material of the electrochromic layer 83 is not limited herein.

The electrolyte is one of the important factors influencing the color change performance, cycle life and weather resistance of the device, and the main parameters are ionic conductivity, transparency, chemical, thermal and light stability and safety.

Electrolyte layer 84 may be either liquid or solid. Gel-like or solid polymer electrolytes are ion-conducting phases formed by dissolving salts in a polar polymer matrix. The gel or solid polymer electrolyte has good electrochemical stability, uses polymer solid as a supporting framework, has good plasticity, and can be mechanically processed.

In one example, electrolyte layer 84 may be formed from a gel-like material including a gel material, a plasticizer, conductive ions, and a solvent, and electrolyte layer 84 may be formed by silk gel printing or roll coating. The electrolyte layer 84 formed of a gel-like material has advantages of high stability, long life, and the like as compared with a liquid electrolyte, and does not cause undesirable phenomena such as bubbling or leakage of an electrolyte solution, thereby making it possible to improve the service life of the electrochromic element.

The ion storage layer 85 can store charges, and can store charges generated when the electrochromic layer 83 undergoes oxidation-reduction reactions and the like, so that the charge balance of the whole electrochromic element is maintained, and the performance of the electrochromic element is further improved.

The ion storage layer 85 includes one or more of nickel oxide (NiO), polyaniline, and the like. It is understood that the material of the ion storage layer 85 is not only a single choice or a combination of several materials, but the ion storage layer 85 may also be made of other materials in different situations. The specific material of the ion storage layer 85 is not limited herein.

In some embodiments, the lens barrel 10 may be an integral structure formed by the barrel body 12 and the light shielding portion 14. In one example, the lens barrel 10 is made of a plastic material. It is understood that the lens barrel 10 may be formed by hot melt molding after baking using a plastic material (e.g., black plastic material L-1225Y).

Since the plastic material has a low strength, stability of the lens barrel 10 is ensured. As shown in fig. 3, the wall thickness T of the lens barrel 10 is at least 0.25 mm. The minimum wall thickness T of the lens barrel 10 is 0.25 mm. In other embodiments, the lens barrel 10 may be made of a metal material. Since the metal material has a large strength, the wall thickness of the lens barrel 10 can be made thinner.

In other embodiments, the barrel body 12 and the light shielding portion 14 may be formed as separate bodies. The light shielding portion 14 may be fixed to the tube main body 12 by means of adhesion, welding, or the like. In this embodiment, the materials of the barrel body 12 and the light shielding portion 14 may not be uniform. For example, the cylinder body 12 may be made of plastic, the light shielding portion 14 may be made of a material having a relatively high strength, such as metal, and the wall thickness of the light shielding portion 14 is smaller than that of the cylinder body 12.

Referring to fig. 2 and 3, in some embodiments, the first lens 22 further includes a non-optic portion 224 extending from the periphery of the optic portion 222. The optical portion 222 includes an object side surface 2222 and a side surface 2224 connecting the object side surface 2222. The non-optic portion 224 includes a mounting surface 2242 facing away from the second lens 24 and connected to the side surface 2224. The light shielding portion 14 surrounds the side surface 2224.

In some embodiments, the non-optic portion 224 can be omitted, or alternatively, the first lens 22 can be obtained by cutting off the non-effective portion of the lens, i.e., the portion of the lens that is at the edge of the lens and that does not refract light or that refracts light through the edge portion does not reach the image sensor, to make the overall size of the first lens 22 smaller. That is, the first lens 22 may be formed by means of a cut edge.

It is to be understood that in this embodiment, the first lens 22 and the second lens 24 are both circular. Specifically, the side 2224 of the optical portion 222 of the first lens 22 is a circular table surface. The extension line of the generatrix of the circular table surface is crossed with the optical axis A. A circular table is understood to mean a curved surface of a conical surface with a truncated tip portion.

In some embodiments, the mounting surface 2242 forms an angle with the side surface 2224 in a range of 90 degrees to 120 degrees.

It will be appreciated that the mounting surface 2242 intersects the side surface 2224 at an included angle, which refers to an included angle toward the barrel 10. The light shielding portion 14 of the lens barrel 10 surrounds the optical portion 222 with an included angle ranging from 90 degrees to 120 degrees, so that the light shielding portion 14 can extend toward the object side of the lens 100, and the transverse dimension R of the light shielding portion 14 can be reduced. The angle formed by the mounting surface 2242 and the side surface 2224 may be 90 degrees, 120 degrees, or any degree between 90 degrees and 120 degrees.

Referring to fig. 2, in some embodiments, the electrochromic aperture 80 is connected to the light blocking portion 14 and disposed corresponding to the light inlet 124 to seal the light inlet 124. In this way, the electrochromic diaphragm 80 can adjust the light entering amount of the lens 100, thereby adjusting the light exiting amount of the lens 100. The electrochromic aperture 80 may be adhered to the light blocking portion 14.

It should be noted that the electrochromic diaphragm 80 is disposed corresponding to the light inlet 124, which means that the electrochromic diaphragm 80 may be located outside the light inlet 124, inside the light inlet 124, or penetrate through the light inlet 124.

The light output of the lens 100 referred to herein is the light output from the image side surface of the lens group 10 through the lens group 20; the amount of light entering the lens 100 is the amount of light reaching the object side surface of the lens group 20.

As in the example of fig. 2, the electrochromic aperture 80 is provided at an end face of the light shielding portion 14 facing away from the second lens 24. Further, in some embodiments, the camera 200 includes a substrate 210 and a signal transmitting element 90, the substrate 210 is disposed on the image side of the lens group 20, and the substrate 210 is connected to the electrochromic aperture 80 through the signal transmitting element 90. The signal transmission member 90 is located outside the lens barrel 10.

In this manner, the signal transmitting element 90 can transmit a signal between the substrate 210 and the electrochromic aperture 80, for example, a voltage can be applied to the electrochromic aperture 80 through the signal transmitting element 90 to change the light transmittance of the electrochromic aperture 80. In addition, the signal transmission element 90 is located outside the lens barrel 10, so that the signal transmission element 90 is prevented from interfering with the optical path of the lens group 20, thereby improving the imaging effect of the lens 100.

Further, the camera 200 further includes an image sensor 220 disposed on the substrate 210, and the image sensor 220 corresponds to the lens assembly 20.

Specifically, the substrate 210 may be a printed circuit board, a flexible circuit board, or a rigid-flex board. The image side end of the lens barrel 10 is disposed on the substrate 210. The image sensor 220 corresponds to the lens assembly 20 and refers to: the lens assembly 20 can be imaged on the image sensor 220. Preferably, the optical axis a of the lens 100 passes through the center of the image sensor 220. The lens barrel 10 may be directly mounted on the substrate 210.

Alternatively, the camera 200 further includes an annular lens holder (not shown) mounted on the substrate 210, and the lens barrel 10 is mounted at an end of the lens holder away from the substrate 210 to be mounted on the substrate 210 through the lens holder. When the lens barrel 10 is directly mounted on the substrate 210, the image sensor 220 may be housed within the lens barrel 10. When the lens barrel 10 is mounted on the substrate 210 through the lens mount, the image sensor 220 may be housed in the lens mount.

Further, the camera 200 further includes a filter 230 disposed between the lens 100 and the image sensor 220. The filter 230 may be an infrared cut filter to block infrared rays.

In some embodiments, the signal transmission element 90 includes a flexible circuit board, which is attached to the outer side surface of the lens barrel 10, and two ends of the flexible circuit board are connected to the electrochromic aperture 80 and the substrate 210, respectively. Thus, the volume of the camera 200 can be reduced, so that the camera 200 can be more miniaturized.

Of course, in some embodiments, the signal transmission element 90 may be a strip-shaped wire.

As in the example of fig. 5, the electrochromic aperture 80 is housed within the light entrance 124, and the light blocking portion 14 surrounds the electrochromic aperture 80. In this way, the light blocking portion 14 can surround the electrochromic diaphragm 80, thereby reducing the impact force applied to the electrochromic diaphragm 80 and improving the life of the electrochromic diaphragm 80.

Referring to fig. 6, in some embodiments, an electrochromic aperture 80 is located between the first lens 22 and the second lens 24. Thus, the electrochromic aperture 80 can change the light quantity passing through the first lens 22 and incident on the second lens 24, thereby changing the light output quantity of the lens 100. In this embodiment, the signal transmission member 90 may be provided inside the lens barrel.

Further, an electrochromic aperture 80 is fixedly disposed on the first lens 22. For example, the electrochromic aperture 80 may be secured to the first lens 22 by optical glue.

In the embodiment in which the electrochromic diaphragm 80 is fixed to the first lens 22, the cylinder body 12 further includes a cylindrical portion 121 and a flange portion 122, and the flange portion 122 extends from an edge of the cylindrical portion 121 into the cylindrical portion 121. The electrochromic aperture 80 has a lateral dimension greater than that of the first lens 22, the electrochromic aperture 80 abutting the flange portion 122.

It is understood that the electrochromic diaphragm 80 abuts against the flange portion 122, and the connection area of the flange portion 122 and the electrochromic diaphragm 80 is larger, so that the electrochromic diaphragm 80 is stably disposed within the lens barrel 10. It is noted that the electrochromic diaphragm 80 may be in contact with the flange portion 122, or may be abutted against the flange portion 122 by a medium. For example, the electrochromic iris 80 may be secured against the flange portion 122 by glue. In this embodiment, the non-optic portion 224 of the first lens 22 may be omitted. In addition, in the above embodiment in which the first lens 22 includes the non-optical portion 224, the non-optical portion 224 may abut against the flange portion 122 through the mounting surface 2242, as shown in fig. 2.

Referring to fig. 2, in some embodiments, the object-side surface 2222 is a convex surface, and an end surface of the light shielding portion 14 facing away from the second lens 24 is flush with a highest point of the convex surface. Thus, the light shielding portion 14 can protect the optical portion 222 of the first lens 22, and prevent the object-side surface 2222 of the optical portion 222 from being easily scratched or contaminated. In the illustrated embodiment, the optical axis a passes through the highest point of the object-side surface 2222 of the optical portion 222.

In some embodiments, the light shielding portion 14 includes a light shielding wall 142 and a protrusion 144 formed on the light shielding wall 142. The light shielding wall 142 is connected to the barrel body 12 and surrounds the side surface 2224, and the protrusion 144 stops the periphery of the object side surface 2222.

It will be appreciated that the baffle 142 is annular and surrounds the side 2224 of the optic 222. The protrusion 144 formed on the light shielding wall 142 may be an annular protrusion, or may be a plurality of protrusions surrounding an annular shape and spaced from each other. Preferably, the projection 144 is an annular projection. An annular protrusion is stopped at the periphery of the object-side surface 2222, and the annular protrusion may serve as a diaphragm of the lens 100 and function to limit the light beam.

In some embodiments, the optic 222 has a center thickness of at least 1 mm.

It can be understood that the central axis of the optical portion 222 coincides with the optical axis a of the lens 100. In the present application, the overall thickness of the optic 222 of the first lens 22 is greater than the optic thickness of conventional lenses. The center thickness of the optical portion 222 of the first lens 22 is large, so that the optical portion 222 can form a side surface 2224 connected to the object side surface 2222, and further, the light shielding portion 14 of the lens barrel 10 can surround the side surface 2224, thereby surrounding the optical portion 222.

In some embodiments, the first lens 22 is formed by injection molding.

It is understood that the first lens 22 may be made of Polymethyl methacrylate (PMMA) or Polycarbonate (PC). The polymethyl methacrylate material and the polycarbonate material are easy to deform when being cut. Therefore, the first lens 22 is formed by injection molding, and the formation of the first lens 22 by cutting off a portion of the material can be avoided. In other embodiments, the first lens 22 may be a glass lens.

Referring to FIG. 3, in some embodiments, the lateral dimension R of the light shielding portion 14 ranges from 2.0mm to 2.2 mm.

In this way, the lateral dimension R of the light shielding portion 14 is small, so that the object side end of the lens 100 is small. In the present embodiment, the lateral dimension R of the light shielding portion 14 refers to the minimum lateral dimension of the light shielding portion 14. The lateral dimension R of the light shielding portion 14 may be any dimension between 2.0mm, 2.2mm, or 2.0mm to 2.2 mm. In the illustrated embodiment, the lateral dimension R of the light shielding portion 14 is 2.1 mm.

In some embodiments, the FOV of the lens assembly 20 ranges from 79 to 81 degrees.

It is understood that the larger the field angle FOV, the larger the field of view of the lens 100. The field angle FOV may be 79 degrees, 81 degrees, or any number of degrees between 79 and 81 degrees. In the illustrated embodiment, the field angle FOV is 80.2 degrees.

Referring to fig. 3, the lens 100 further includes a light shielding film 30. The light shielding sheet 30 is annular and is disposed between any two adjacent lenses. The light shielding sheet 30 is arranged between the non-optical parts of the two adjacent lenses. Therefore, the incident light can only pass through the optical part of the lens, and the imaging quality is prevented from being influenced by stray light.

Further, the lens 100 includes a spacer ring (not shown). The spacer ring is disposed between any adjacent two of the lenses. In this manner, the spacing between two adjacent lenses can be set as desired using a spacer ring.

Referring to fig. 7-8, an electronic device 300 according to an embodiment of the present disclosure includes a housing 310, a display module 320 disposed on the housing 310, and the camera 200 according to the embodiment. The display module 320 has a light hole 330. The first lens 22 of the camera 200 is disposed corresponding to the light-passing hole 330.

It is understood that the display module 320 may be an Organic Light-Emitting Diode (OLED) display module, and includes a display panel 3202 and a cover plate 3204. The Display module 320 may also be a Liquid Crystal Display (LCD) module including a backlight layer 3206, a Liquid Crystal layer 3208, and a cover plate 3204.

In the embodiment of fig. 8, the display module 320 is an oled display module, the light hole 330 penetrates through the display panel 3202, and the cover plate 3204 is disposed on one side of the display panel 3202 and covers the light hole 330.

In the embodiment of fig. 9, the display module 320 is a liquid crystal display module, the light passing hole 330 may only pass through the backlight layer 3206, and the liquid crystal layer 3208 and the cover plate 3204 are stacked on the backlight layer 3206 to shield the light passing hole 330. Of course, in other embodiments, when the display module 320 is a liquid crystal display module, the light-passing hole 330 may pass through the backlight layer 3206 and the liquid crystal layer 3208, and the cover plate 3204 is disposed on one side of the liquid crystal layer 3208 and blocks the light-passing hole 330.

The light shielding portion 14 of the lens barrel 10 is at least partially located in the light passing hole 330, and the central axis of the light passing hole 330 coincides with the optical axis a of the lens 100. The light passing hole 330 has a circular cross-section. The lateral dimension of the light passing hole 330 is larger than the lateral dimension R of the light shielding portion 14. In other embodiments, the cross section of the light passing hole 330 may be rectangular, elliptical, or polygonal. The cross-sectional shape of the light passing hole 330 corresponds to the cross-sectional shape of the light shielding portion 14. For example, when the cross-sectional shape of the light shielding portion 14 is circular, the cross-sectional shape of the light passing hole 330 is circular.

It should be noted that the electronic device 300 may be a mobile phone, a tablet computer, a notebook computer, a wearable device, or the like.

Referring to fig. 8 and 9, in some embodiments, the electronic device 300 further includes a light shielding member 340. The light shielding member 340 is disposed on an inner surface of the light passing hole 330 to prevent light emitted from the display module 320 due to a display screen from entering the light passing hole 330.

It is understood that in the embodiment of fig. 8, the light passing hole 330 passes through the OLED display panel 3202. In the embodiment of fig. 9, the light passing hole 330 passes through the backlight layer 3206. In the embodiments of fig. 8 and 9, the display module 320 may have a problem of glare or light leakage, that is, light emitted from the display module 320 enters the light-passing hole 330 to affect imaging. In order to prevent the light emitted from the display module 320 from entering the light-passing hole 330 and projecting onto the image sensor 220, and to improve the imaging quality of the image sensor 220, the electronic device 300 of the present embodiment has a light-shielding member 340 disposed on the inner surface of the light-passing hole 330. The light-shielding member 340 may be black ink or black glue. When the light blocking member 340 is black glue, the light blocking member 340 may be formed on the inner surface of the light passing hole 330 by dispensing. When the light-shielding member 340 is black ink, the light-shielding member 340 may be formed by the black ink on the inner surface of the light-passing hole 330.

In some embodiments, the electronic device 300 may also include a seal 350. The sealing member 350 is disposed between the lens barrel 10 and the display module 320, and the sealing member 350 surrounds the light passing hole 330. The sealing member 350 is used to seal a gap between the lens barrel 10 and the display module 320.

It can be understood that, by disposing the sealing member 350 between the lens barrel 10 and the display module 320, dust, moisture, etc. outside the electronic device 300 can be prevented from entering the light passing hole 330 along the gap between the lens barrel 10 and the display module 320. The inner diameter of the sealing member 350 is larger than the lateral dimension of the light passing hole 330. The central axis of the seal 350 coincides with the optical axis a of the lens 100. The seal 350 corresponds to the shape of the light shielding portion 14 of the lens barrel 10. The sealing member 350 may have a circular shape, a rectangular ring shape, an elliptical ring shape, a polygonal ring shape, or the like. The seal 350 is a soft material, such as foam, silicone, or the like.

It should be noted that the light-passing hole 330 may be a through hole of the display module 320 penetrating through at least one layer of structure, or a blind hole formed on at least one structure.

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 (3)

1. A camera, comprising:

a lens barrel, the lens barrel comprising:

the lens barrel comprises a barrel body and a shading part connected with the barrel body, wherein the shading part protrudes from the barrel body to the object side, the transverse size of the shading part is smaller than that of the barrel body, and a light inlet is formed in the shading part; and

the lens group comprises a first lens and a second lens stacked with the first lens, the first lens comprises an optical part, the optical part is used for refracting light, the shading part surrounds the optical part, and the second lens is positioned in the cylinder body;

the electrochromic diaphragm is arranged on the optical axis of the lens and used for adjusting the light outlet quantity of the lens, so as to avoid the phenomenon of overexposure or underexposure of the image shot by the camera, the optical axis of the lens is superposed with the center of the electrochromic aperture, the electrochromic aperture is connected with the shading part, and is arranged corresponding to the light inlet to seal the light inlet, the camera comprises a substrate and a signal transmission element, the substrate is arranged at the image side of the lens group and is connected with the electrochromic aperture through the signal transmission element, the signal transmission element is positioned at the outer side of the lens cone and comprises a flexible circuit board which is attached to the outer side surface of the lens cone, and two ends of the flexible circuit board are respectively connected with the substrate and the electrochromic aperture.

2. The camera of claim 1, wherein the optical portion includes an object-side surface and a side surface connected to the object-side surface, the light shielding portion includes a light shielding wall and a protrusion formed on the light shielding wall, the light shielding wall is connected to the barrel body and surrounds the side surface, and the protrusion stops a periphery of the object-side surface.

3. An electronic device, comprising:

a housing;

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

the camera of any of claims 1-2, wherein the first lens of the camera is disposed in correspondence with the light passing aperture.

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