CN115390214A - Lens assembly, camera and electronic device - Google Patents

Abstract

The application discloses lens subassembly, camera and electron device. The lens assembly comprises a driving component and a lens, wherein the driving component comprises a shell; the lens comprises a first group and a second group which is arranged on the same optical axis as the first group, the first group is arranged on the object side of the second group, the first group is fixedly arranged on the top of the shell and at least partially positioned outside the shell, and the second group is arranged in the shell and can move along the optical axis of the lens relative to the shell. The utility model provides a camera lens of camera lens subassembly has first group and second group, and first group is fixed at the casing top and partly lies in outside the casing, and the optical axis that makes the camera lens subassembly assemble when the screen along the camera lens through the second group removes and need not to dispose great dodge hole in order to avoid camera lens and screen interference for the casing, keeps the screen of screen to account for than, and the design is pleasing to the eye.

Description

Lens assemblies, cameras and electronics

technical field

The present application relates to the technical field of electronic equipment, in particular to a lens assembly, a camera and an electronic device.

Background technique

In related technologies, in order to increase the screen-to-body ratio of mobile terminals such as mobile phones, the front camera of the mobile terminal can be arranged below the screen, and part of the material is removed from the screen at the position corresponding to the camera, so that the camera can collect target images. However, during the process of camera focusing or zooming, the lens of the camera moves along the optical axis, which requires the screen to be equipped with a larger avoidance hole to avoid interference between the lens and the screen, reducing the screen-to-body ratio of the screen.

Contents of the invention

The application provides a lens assembly, a camera and an electronic device.

The lens assembly in the embodiment of the present application includes a driving part and a lens, the driving part includes a casing; the lens includes a first group and a second group arranged on the same optical axis as the first group, and the first group A group is arranged on the object side of the second group, the first group is fixedly arranged on the top of the housing and is at least partly located outside the housing, and the second group is arranged on the housing in the body and capable of moving relative to the housing along the optical axis of the lens.

The lens of the lens assembly according to the embodiment of the present application has a first group and a second group, the first group is fixed on the top of the housing and partially located outside the housing, and the second group moves along the optical axis of the lens relative to the housing When the lens assembly is assembled in the screen, there is no need to configure a large avoidance hole to avoid interference between the lens and the screen, and the screen ratio of the screen is maintained, and the design is beautiful. In some embodiments, the housing includes a top surface, and the first group protrudes at least partially from the top surface.

The camera head in the embodiment of the present application includes a lens assembly and an image sensor; the lens assembly is the lens assembly described in any one of the above embodiments; the image sensor is arranged on the image side of the lens.

The camera in the embodiment of the present application is formed by assembling the lens assembly and the image sensor so that the camera can maintain a smaller diameter and have a larger aperture, which can reduce the screen hole on the electronic device that cooperates with the camera while improving the shooting effect , thereby increasing the screen-to-body ratio and beautiful design.

The electronic device in the embodiment of the present application includes a display module and a camera; the camera is the camera described in the above embodiment, the camera is arranged under the display module, and the camera collects images through the display module .

The electronic device according to the embodiment of the present application takes images by setting the camera under the display module. The camera has a smaller diameter, and the display module does not need a larger hole for light through the camera. The display module has a smaller cutout hole, so that the screen ratio of the electronic device is high and the design is beautiful.

Additional aspects and advantages of the 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 the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and understandable from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic plan view of a camera according to an embodiment of the present application;

FIG. 2 is a schematic plan view of another embodiment of the camera according to the embodiment of the present application;

3 is a schematic structural view of a lens assembly according to an embodiment of the present application;

4 is a schematic cross-sectional view of a lens assembly according to an embodiment of the present application;

FIG. 5 is a schematic exploded view of a certain viewing angle of a lens assembly according to an embodiment of the present application;

FIG. 6 is a schematic exploded structural view of another viewing angle of the lens assembly according to the embodiment of the present application;

Fig. 7 is a structural schematic diagram of another viewing angle of the lens assembly according to the embodiment of the present application;

FIG. 8 is a schematic exploded structural view of another viewing angle of the lens assembly according to the embodiment of the present application;

FIG. 9 is a schematic structural diagram of a camera according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 11 is a schematic plan view of a partial structure of an electronic device according to an embodiment of the present application.

Description of main component symbols:

electronic device 1000;

camera 100;

Lens assembly 10, driving part 11, housing 111, carrier 1111, structural member 1112, first installation port 1113, second installation port 1114, magnet 1115, coil 1116, lens 12, first group 121, first lens barrel 1211, first lens group 1212, second group 122, second lens barrel 1221, second lens group 1222, third group 123, third lens barrel 1231, third lens group 1232, convex edge 1233, sealing cover 13;

image sensor 20;

Processor 30;

The display module 200 , the display layer 210 , the cover plate 211 , the light shielding portion 220 , the first light through hole 221 , and the second light through hole 222 .

Detailed ways

Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, are only for explaining the present application, and should not be construed as limiting the present application.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Referring to FIGS. 1-5 , the lens assembly 10 of the embodiment of the present application includes a driving part 11 and a lens 12, and the driving part 11 includes a housing 111; the lens 12 includes a first group 121 and the same optical axis as the first group 121 The second group 122 is provided, the first group 121 is arranged on the object side of the second group 122, the first group 121 is fixedly arranged on the top of the housing 111 and at least partly located outside the housing 111, the second group The group 122 is disposed in the housing 111 and can move relative to the housing 111 along the optical axis of the lens 12 .

The lens 12 of the lens assembly 10 according to the embodiment of the present application has a first group 121 and a second group 122. The first group 121 is fixed on the top of the housing 111 and is partially located outside the housing 111. The second group 122 is opposite to each other. Since the housing 111 moves along the optical axis of the lens 12, when the lens assembly 10 is assembled in the screen, there is no need to configure a larger avoidance hole to avoid interference between the lens 12 and the screen, maintaining the screen ratio of the screen, and the design is beautiful.

Specifically, the driving part 11 of the lens assembly 10 can be used to drive the lens 12 to move along the optical axis. The driving component 11 may be a component with a driving function such as a voice coil motor, a linear motor or a torque motor, and the housing 111 of the driving component 11 may be in a square structure. The first group 121 of the lens 12 can be fixed on the top of the casing 111 in the height direction by means of glue bonding, welding or mechanical connection.

The second group 122 can be arranged in the middle of the housing 111 and arranged on the same optical axis as the first group 121 , and the second group 122 is located in the housing 111 on the side of the first group 121 facing away from the object. It can be understood that the object side may be the side of the lens assembly 10 that receives light from the object and enters first. The second group 122 can move relative to the housing 111 in the housing 111 along the optical axis direction driven by the driving component 11 , and the optical axis direction can be the optical axis direction of the second lens group 1222 in the second group 122 .

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

Referring to FIGS. 1-5 , in some embodiments, the housing 111 includes a top surface, and the first group 121 protrudes from the top surface at least partially.

In this way, the part of the first group 121 protrudes from the top surface of the casing 111 so that the lens assembly 10 is closer to the object side, thereby improving the imaging effect of the lens assembly 10 .

Specifically, the top surface of the housing 111 may be the upper end surface of the driving part 11 facing the object side. The first group 121 can partially or completely protrude from the top surface of the casing 111 .

Referring to FIGS. 1-5 , in some embodiments, the object-side diameter of the first group 121 is smaller than the image-side diameter.

In this way, the side of the first group 121 facing the object side has a smaller diameter, while the side facing the image sensor 20 has a larger diameter, which helps the lens assembly 10 when it is assembled under the screen, and the screen is not cut out. The hole has a smaller diameter and the screen-to-body ratio is larger.

Specifically, the first group 121 may have a convex structure, and the convex portion of the first group 121 may be close to the object side. The diameter of the first group 121 near the object side is smaller, and this diameter may be the effective optical diameter of the first group 121 , that is, the optical diameter of the first group 121 near the object side for effectively receiving light. The object-side diameter of the first group 121 is smaller than the image-side diameter, that is, the effective optical diameter of the first group 121 near the object side is smaller than the effective optical diameter of the first group 121 near the image sensor 20 .

Referring to FIGS. 1-5 , the first group 121 includes a first lens barrel 1211 and a first lens group 1212 disposed in the first lens barrel 1211 , and the first lens barrel 1211 is fixedly connected to the top of the casing 111 And at least partially located outside the casing 111 .

In this way, the first lens barrel 1211 protrudes from the top of the housing 111 so that the first group 121 is closer to the object side, improving the imaging effect of the lens assembly 10 .

Specifically, the first group 121 may include a first lens barrel 1211 and a first lens group 1212 disposed inside the first lens barrel 1211 . The shape of the first lens barrel 1211 may be a cylinder or a convex cylinder structure. The first lens barrel 1211 can be fixedly connected to the top position of the housing 111 close to the object side by means of adhesion or clamping. A portion of the first lens barrel 1211 may protrude from a plane of the top of the housing 111 . One or more lenses may be disposed in the first lens group 1212 . In case that the first lens group 1212 includes a plurality of lenses, the plurality of lenses may be arranged coaxially along the optical axis direction of the first lens barrel 1211 . For example, the first lens group 1212 includes two lenses, both of which are fixed in the first lens barrel 1211 and arranged on the same optical axis. The lenses can all be made of plastic lenses, and the surface of the lenses can be aspherical; of course, the lenses can all be made of glass, and the surface can also be spherical.

Referring to FIGS. 1-5 , in some embodiments, the ratio of the thickness H to the diameter D of the lenses of the first lens group 1212 is greater than 0.35.

In this way, the lenses in the first lens group 1212 have a larger thickness-to-diameter ratio, so that the overall diameter of the first lens group 1212 is smaller, which helps the lens assembly 10 to be assembled under the screen, and the screen has a smaller hole. diameter, the screen-to-body ratio is larger.

Specifically, there may be single or multiple lenses in the first lens group 1212, and the thickness-to-diameter ratio of each lens may be greater than 0.35. That is, the ratio of the thickness of each lens in the direction of the optical axis to the diameter of the lens perpendicular to the direction of the optical axis may be greater than 0.35. Exemplarily, the thickness H of a certain lens in the first lens group 1212 may be 1.4 mm, and the diameter D may be 3.4 mm. Thus, the ratio of thickness to diameter may be 0.41.

Referring to FIGS. 1-5 , in some embodiments, the driving component 11 includes a carrier 1111 disposed in the housing 111 , the carrier 1111 can move relative to the housing 111 , and the second group 122 is fixed on the carrier 1111 .

In this way, the carrier 1111 in which the driving component 11 is disposed in the housing 111 can be used to carry the second group 122 and drive the second group 122 to move in the housing 111 .

Specifically, the carrier 1111 of the driving component 11 can be disposed inside the housing 111 , and the carrier 1111 can be in a square structure and can be movably connected to the inner wall of the housing 111 . The middle area of the carrier 1111 can be used to place the second group 122, and the second group 122 can be fixed on the carrier 1111 by means of bonding, welding or mechanical connection.

Referring to FIGS. 1-5 , in some embodiments, the second group 122 includes a second lens barrel 1221 and a second lens group 1222 disposed in the second lens barrel 1221 . The second lens group 1221 may include a single lens.

In this way, the structure that the second lens group 1222 is disposed on the second lens barrel 1221 to form the second group 122 facilitates the assembly and driving of the second group 122 .

Specifically, the second lens barrel 1221 may have a cylindrical structure, and a second lens group 1222 may be arranged in the second lens barrel 1221, and one or more lenses arranged along the optical axis direction may be arranged in the second lens group 1222, The lenses can all be plastic lenses, and the surface of the lenses can be aspherical; of course, the lenses can also be made of glass, and the surface can also be spherical.

In the example of FIG. 1 , the second lens group 1222 has one lens, and one lens is installed and fixed in the second lens barrel 1221 .

Referring to FIG. 2 , in some embodiments, the second lens group 1222 includes a plurality of lenses, and the plurality of lenses are all fixedly connected to the second lens barrel 1221 , and the second lens barrel 1221 can move along the lens 12 relative to the housing 111 . The optical axis moves.

In this way, the use of multiple lenses in the second lens group 1222 can enable the camera head 100 to acquire corresponding optical parameters and improve the imaging effect of the lens assembly 10 .

In this embodiment, since the multiple lenses are fixedly connected to the second lens barrel 1221 , when the second lens barrel 1221 moves along the optical axis of the lens 12 , the multiple lenses move synchronously.

Specifically, multiple lenses with different specifications but arranged along the same optical axis can be arranged in the second lens group 1222. The lenses can all be made of plastic lenses, and the surface of the lenses can be aspherical; of course, the lenses can also be glass. material, and the surface type can also be a spherical surface. A plurality of lenses can be fixedly connected to the second lens barrel 1221 by means of bonding or clamping. The second lens barrel 1221 can be driven by the driving component 11 , so as to drive a plurality of lenses to move along the optical axis of the lens 12 .

In some embodiments, when the second lens group 1222 includes a plurality of lenses, one lens can move relative to the housing along the optical axis of the lens 12, and the rest of the lenses are fixedly connected to the second lens barrel 1221. The second lens barrel 1221 is fixedly connected with the casing 111 .

In this way, when one lens of the second lens group 1222 moves, the lens 12 can achieve the effect of adjusting the focal length.

In this embodiment, a certain lens or multiple lenses in the plurality of lenses can be connected to the second lens barrel 1221 in a movable manner, and the moving direction can be to move along the optical axis of the lens 12; other lenses can be connected to the first lens barrel 1221 can be fixed connection. At this time, the second lens barrel 1221 can be fixedly connected to the housing 111 , and the imaging effect of the second lens group 1222 can be adjusted by driving the movable lens in the second lens barrel 1221 .

In one example, the second lens group 1222 includes two lenses, the first lens is fixedly connected to the second lens barrel 1221 , and the second lens is slidably disposed in the second lens barrel 1221 . Wherein, the second lens can be fixed on an independent connecting barrel, and the connecting barrel is slidably connected to the second lens barrel 1221 . For example, a flange can be provided on the connecting barrel, and a sliding groove can be arranged on the inner wall of the second lens barrel 1221, and the sliding groove extends along the axial direction of the second lens barrel 1221, and the flange is inserted into the sliding groove, so that the connecting cylinder can Sliding relative to the second lens barrel 1221 .

Referring to FIG. 5 and in conjunction with FIG. 6 , in some embodiments, the carrier 1111 is provided with one of the magnet 1115 and the coil 1116 , the housing 111 is provided with the other of the magnet 1115 and the coil 1116 , and the magnet 1115 and the coil 1116 Cooperate with the drive carrier 1111 to move.

In this way, the driving component 11 is respectively provided with a magnet 1115 or a coil 1116 on the carrier 1111 or the housing 111 to drive the carrier 1111 to move in the housing 111 through electromagnetic induction.

Specifically, a magnet 1115 may be disposed on the carrier 1111 , or a coil 1116 may be disposed and wound on the carrier 1111 . When the magnet 1115 is set on the carrier 1111 , a coil 1116 can be set inside the housing 111 , and the coil 1116 can be composed of wound wires. When the coil 1116 is set on the carrier 1111, the wire can be wound on the carrier 1111 to form the coil 1116, and the housing 111 can be provided with a magnet 1115, and the magnet 1115 can be fixed on the inner wall of the housing 111 by bonding.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

Referring to FIG. 5 , in some embodiments, the driving component 11 further includes a structural member 1112 fixed on the carrier 1111 , and the second group 122 is fixedly installed on the structural member 1112 .

In this way, the structural member 1112 disposed on the carrier 1111 can facilitate the installation and fixing of the second group 122 .

Specifically, the structural member 1112 may be in a ring structure, and the structural member 1112 may be made of metal materials. The outer periphery of the structural member 1112 can be fixedly connected with the carrier 1111 . For example, it may be fixedly connected by engaging with the side wall of the carrier 1111 . The middle area of the structural member 1112 may be hollow and circular, and the second group 122 is mounted on the structural member 1112 and partially accommodated in the hollow area of the structural member 1112 .

Certainly, in other implementation manners, the carrier 1111 may be omitted, and one of the magnet 1115 and the coil 1116 may be directly fixed on the second barrel 1221 , and the other is fixed on the casing 111 .

In other embodiments, when the second lens group 1222 includes a plurality of lenses, one of the lenses can move relative to the housing along the optical axis of the lens 12, and the rest of the lenses are fixedly connected to the second lens barrel 1221. The lens barrel 1221 is fixedly connected with the casing 111 . One of the magnet 1115 and the coil 1116 can be directly fixed on the movable lens, and the other one is fixed on the housing 111 .

Referring to FIG. 5 , in some embodiments, the structural member 1112 and the carrier 1111 are integrally formed by in-mold injection molding.

In this way, the structural member 1112 and the carrier 1111 are integrally formed by in-mold injection molding, so that the connection between the structural member 1112 and the carrier 1111 is more stable and the reliability is higher.

Specifically, the structural component 1112 can be assembled on the carrier 1111 through an integral molding process of in-mold injection molding.

Referring to FIGS. 1-5 , in some embodiments, the lens 12 can also include a third group 123 arranged on the image side of the second group 122, and the third group 123 and the second group 122 can be the same The optical axis is set, and the third group 123 is at least partially accommodated in the casing 111 . In some embodiments, the third group 123 includes a third lens barrel 1231 and a third lens group 1232 disposed in the third lens barrel 1231 , and the third lens barrel 1231 is at least partially accommodated in the casing 111 .

In this way, the third group 123 disposed on the image side of the second group 122 can cooperate with the second group 122 and the first group 121 to improve the imaging effect of the lens 12 .

Specifically, the third group 123 can be arranged on the side of the second group 122 facing the image sensor 20, that is, the third group 123 is closer to the side of the image sensor 20 than the second group 122, and the third group 123 and the second group 122 can be arranged on the same optical axis. The third group 123 can be at least partially accommodated in the housing 111 , that is, the third lens barrel 1231 of the third group 123 can be at least partially accommodated in the housing 111 and partially exposed outside the housing 111 .

The third group 123 can be formed by combining the third lens barrel 1231 and the third lens group 1232 disposed in the third lens barrel 1231 . The third lens barrel 1231 can be in the shape of a square on the outside and a circle on the inside. The upper end of the third lens barrel 1231 is provided with a glue area that can correspond to the multiple glue areas inside the housing 111. The third lens barrel 1231 can be connected to the housing 111. Adhesive fixation.

The third lens group 1232 can be located inside the third lens barrel 1231 . The third lens group 1232 may include one or more lenses, all of which are made of plastic, and whose surfaces may be aspherical; in addition, the lenses may also be made of glass, and their surfaces may also be aspherical.

Please refer to FIG. 6 and FIG. 7, in some embodiments, the bottom of the housing 111 is provided with a first installation port 1113 communicating with the inside of the housing 111, and the third lens barrel 1231 includes a cylinder and a protrusion connecting the cylinder. The edge 1233 , the barrel is passed through the first installation opening 1113 , and the convex edge 1233 covers the first installation opening 1113 .

In this way, by providing the flange 1233 on the third lens barrel 1231 and covering the first installation port 1113, small particles of foreign matter can be blocked from passing through the first installation port 1113, thereby reducing the risk of foreign matter falling out during the assembly and maintenance of the lens assembly 10. Possibility of falling on the image sensor 20 or a filter located on the side of the image sensor 20 .

Specifically, the bottom of the housing 111 may be the end of the housing 111 near the image sensor 20 when the lens assembly 10 is installed. The bottom of the housing 111 may be provided with a first installation opening 1113 communicating with the inside of the housing 111 and facing the side of the image sensor 20 . It can be understood that the first installation opening 1113 may be an opening at the bottom of the housing 111 after the second group 122 is installed. The third lens barrel 1231 of the third group 123 may have a barrel body and a convex edge 1233 connecting the end surface of the barrel body facing away from the second group 122 . The convex edge 1233 can extend outward from the outer periphery of the barrel. When the third lens barrel 1231 of the third group 123 is installed in the casing 111 , when the cylinder body can pass through the first installation opening 1113 , the convex edge 1233 can cover the first installation opening 1113 so that the casing 111 The bottom is isolated from the outside space.

In other embodiments, the third group 123 can move relative to the housing 111 along the optical axis of the lens 12 . In this way, the movement of the third group 123 along the optical axis of the lens 12 relative to the casing 111 can cooperate with the second group 122 and the first group 121 to form an image, so as to better adjust the imaging effect of the lens assembly 10 .

Specifically, the third group 123 can move relative to the casing 111 along the same optical axis direction as the second group 122 and the first group 121 under the driving of the driving component 11 .

In one example, the third group 123 is fixedly connected to the second group 122 , and the driving component 11 can drive the third group 123 to move synchronously with the second group 122 .

In this way, the structural setting that the third group 123 and the second group 122 move synchronously can facilitate the lens assembly 10 to drive the imaging adjustment, and reduce the distance between the third group 123 and the second group 122 during the moving process and the casing 111 Gap changes.

Specifically, the third group 123 may be farther from the top of the casing 111 than the second group 122, the second group 122 may be located between the first group 121 and the third group 123, and the second group 122 may be It is fixedly connected with the third group 123 by means of bonding, welding or mechanical connection, and fixed on the carrier 1111. The driving part 10 can drive the carrier 1111, thereby synchronously moving the third group 123 and the second group 122 . Exemplarily, the driving component 10 may be a voice coil motor or other driving motor structure using a combination of a magnet 1115 and a coil 1116 .

Further, when the third group 123 is fixedly connected to the second group 122, the third group 123 and the second group 122 may share the same lens barrel.

In addition, in some embodiments, the third group 123 or the second group 122 can be respectively fixed on the two carriers 1111, and the driving part 10 can respectively drive the two carriers 1111 to move, thereby respectively driving the third group 123 And the second group 122 moves along the optical axis of the lens 12 . At this time, the second group 122 and the third group 123 may move synchronously or step by step.

Exemplarily, the driving component 10 can drive the two carriers 1111 by using a combined voice coil motor or other driving motor structures of two or more magnets 1115 and coils 1116 .

Please refer to Fig. 3-Fig. 5 and in conjunction with Fig. 8, in some embodiments, the top of housing 111 is provided with the second installation port 1114 that communicates with the inside of housing 111, and lens assembly 10 comprises sealing cover 13, and sealing cover 13 is sleeved on the first group 121 and covers the second installation opening 1114 .

In this way, the sealing cover 13 is set to cover the second installation port 1114 that can cover the structural depression formed by the first group 121 protruding on the top of the housing 111, and the sealing cover 13 forms a seal for the second installation port 1114, During production, assembly and maintenance, it can block the path of foreign matter entering the housing 111 from the object side, reduce the possibility of foreign matter falling on the lens 12, and improve the yield of good products.

Specifically, the top of the housing 111 is close to the object side, and the second installation opening 1114 may be an opening formed between the first group 121 and the top of the housing 111 after the first group 121 is installed on the housing 111 . The sealing cover 13 can be made of metal or plastic. A hole is formed in the middle area of the sealing cover 13 . When the sealing cover 13 covers the second installation opening 1114 , the part of the first group 121 can protrude from the hole.

Referring to FIG. 9 , a camera 100 according to an embodiment of the present application includes a lens assembly 10 and an image sensor 20 ; the lens assembly 10 is the lens assembly 10 of any one of the above embodiments;

The camera head 100 of the embodiment of the present application is formed by assembling the lens assembly 10 and the image sensor 20 so that the camera head 100 can maintain a smaller diameter and have a larger aperture. The screen on the 1000 is punched out to increase the screen-to-body ratio and the design is beautiful.

Specifically, the end of the lens assembly 10 away from the object side can be connected to the image sensor 20, and the object phase can be imaged on the photosensitive surface of the image sensor 20 through the lens assembly 10, and the photosensitive surface can be the side of the image sensor 20 facing the lens assembly 10, The image sensor 20 can be connected to the processor 30 to transmit the captured image to the processor 30 for image processing.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Please refer to FIG. 10 and FIG. 11 , the electronic device 1000 according to the embodiment of the present application includes a display module 200 and a camera 100; The display module 200 collects images.

In this way, the electronic device 1000 captures images by disposing the camera 100 under the display module 200 , the camera 100 has a smaller diameter, and the display module 200 does not need a larger hole for passing light through the camera 100 . The display module 200 has a smaller hole, so that the electronic device 1000 has a high screen ratio and a beautiful design.

Specifically, the electronic device 1000 may be a terminal device with a camera function. For example, the electronic device 1000 may include a smart phone, a tablet, a computer, a digital camera or other terminal devices with a camera function. The camera 100 can be set on the electronic device 1000 to realize the front or rear camera function of the electronic device 1000, for example, the front camera 100, the rear camera 100 of a mobile phone, the camera 100 of a digital camera, etc.

The display module 200 may be a screen component for displaying on the electronic device 1000 , and the camera 100 may be disposed under the display module 200 for front-facing shooting of the electronic device 1000 . For example, when the electronic device 1000 is a mobile phone, the display module 200 may be a screen, and the camera 100 may be disposed under the screen to realize functions such as front camera or face recognition unlocking of the mobile phone.

Referring to FIG. 10 and FIG. 11 , in some implementations, the display module 200 includes a display layer 210 and a light-shielding portion 220 disposed on the light-emitting side of the display layer 210 , the light-shielding portion 220 is formed with a first light through hole 221 , and the display The layer 210 is provided with a second light through hole 222 communicating with the first light through hole 221, the optical axis of the lens 12 passes through the first light through hole 221 and the second light through hole 222, and the first light through hole 221 is opposite to the first light through hole 222. The two light holes 222 are far away from the image sensor 20, the aperture E of the first light hole 221 is smaller than the aperture F of the second light hole 222, and the camera 100 partially extends into the first light hole 221 and the second light hole 222 .

In this way, the aperture E of the first light through hole 221 is smaller than the aperture F of the second light through hole 222, which helps the camera 100 to be assembled under the display module 200, and the hole of the display module 200 has a smaller diameter, thereby It is beneficial to the ID design of the electronic device 1000, and the screen ratio is larger.

Specifically, the display layer 210 may be an area used for display on the display module 200. The display module 200 may include a display layer 210 and a cover plate 211. The cover plate 211 and the display layer 210 may be connected by optical glue, PCL, etc. .

The camera 100 can be located under the cover 211 , and the display module 200 can be provided with a shading part 220 around the camera 100 . The light shielding part 220 can be formed with a first light through hole 221, and the first light through hole 221 can be far away from the image sensor 20 relative to the second light through hole 222, and the second light through hole 222 can be close to the camera 100 and can be connected to the first light through hole. 221 connected. The optical axis of the lens 12 of the camera 100 can pass through the first light hole 221 and the second light hole 222 , and the upper part of the camera 100 can partially extend between the first light hole 221 and the second light hole 222 . The light outside the display module 200 can enter the camera 100 through the first light hole 221 and the second light hole 222 .

It can be understood that the size of the area where the field of view of the camera 100 is projected onto the display screen is the aperture E of the first light through hole 221 and the aperture F of the second light through hole 222 . For example, the diameter of the first light through hole 221 may be 2.15mm, and the diameter of the second light through hole 222f may be 2.7mm.

In the description of this specification, descriptions referring to the terms "one embodiment", "certain embodiments", "exemplary embodiments", "example", "specific examples", or "some examples" are meant to be combined with The specific features, structures, materials, or characteristics described in the above embodiments or examples are 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 described specific features, structures, materials or characteristics 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, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims (21)

1. A lens assembly, comprising:

a drive component comprising a housing;

the lens comprises a first group and a second group which is arranged on the same optical axis as the first group, the first group is arranged on the object side of the second group, the first group is fixedly arranged on the top of the shell and at least partially positioned outside the shell, and the second group is arranged in the shell and can move relative to the shell along the optical axis of the lens.

2. The lens assembly of claim 1, wherein the housing includes a top surface, the first group at least partially protruding from the top surface.

3. The lens assembly of claim 1, wherein the first group has an object-side diameter smaller than an image-side diameter.

4. The lens assembly of claim 1, wherein the first group comprises a first lens barrel and a first lens group disposed in the first lens barrel, and the first lens barrel is fixedly connected to the top of the housing and at least partially outside the housing.

5. The lens assembly of claim 4, wherein a thickness to diameter ratio of the lenses of the first lens group is greater than 0.35.

6. The lens assembly of claim 1, wherein the drive component includes a carrier disposed in the housing, the carrier being movable relative to the housing, the second group being fixedly connected with the carrier.

7. The lens assembly of claim 6, wherein the carrier has one of a magnet and a coil disposed thereon, and the housing has the other of the magnet and the coil disposed thereon, the magnet and the coil cooperating to drive movement of the carrier.

8. The lens assembly of claim 6, wherein the drive component further comprises a structure fixed to the carrier, the second group being fixedly mounted on the structure.

9. The lens assembly of claim 8, wherein the structural member and the carrier are integrally formed by in-mold injection.

10. The lens assembly of claim 1, wherein the second group includes a second lens barrel and a second lens group disposed in the second lens barrel.

11. The lens assembly of claim 10, wherein the second lens group comprises a single lens.

12. The lens assembly of claim 10, wherein the second lens group includes a plurality of lenses, each of the plurality of lenses being fixedly coupled to the second barrel, the second barrel being movable relative to the housing along an optical axis of the lens; or the like, or a combination thereof,

one of the lenses can move along the optical axis of the lens relative to the shell, and the rest of the lenses are fixedly connected with the second lens barrel which is fixedly connected with the shell.

13. The lens assembly of claim 1, further comprising a third group disposed image-wise of the second group, the third group disposed co-axially with the second group, the third group being at least partially housed in the housing.

14. The lens assembly of claim 13, wherein the third group includes a third barrel and a third lens group disposed in the third barrel, the third barrel being at least partially received in the housing.

15. The lens assembly of claim 14, wherein a first mounting opening communicating with the interior of the housing is formed in a bottom of the housing, the third lens barrel includes a barrel body and a convex edge connected to the barrel body, the barrel body is inserted into the first mounting opening, and the convex edge covers the first mounting opening.

16. The lens assembly of claim 13, wherein the third group is movable relative to the housing along an optical axis of the lens.

17. The lens assembly of claim 16, wherein the third group is fixedly connected to the second group, and the driving member is capable of driving the third group to move synchronously with the second group.

18. The lens assembly of claim 1, wherein the top of the housing is provided with a second mounting opening communicating with the interior of the housing, and the lens assembly comprises a sealing cover that covers the first group and covers the second mounting opening.

19. A camera, comprising:

the lens assembly of any of claims 1-18; and

an image sensor disposed on an image side of the lens.

20. An electronic device, comprising:

a display module; and

the camera of claim 19, the camera disposed below the display module, the camera capturing images through the display module.

21. The electronic device according to claim 20, wherein the display module comprises a display layer and a light shielding portion disposed on a light exit side of the display layer, the light shielding portion is formed with a first light passing hole, the display layer is provided with a second light passing hole communicated with the first light passing hole, an optical axis of the lens passes through the first light passing hole and the second light passing hole, the first light passing hole is far away from the image sensor relative to the second light passing hole, an aperture of the first light passing hole is smaller than an aperture of the second light passing hole, and the camera portion extends into the first light passing hole and the second light passing hole.

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