Prism assembly, periscopic camera module and electronic equipment

Abstract

The invention discloses a prism assembly, a periscopic camera module and electronic equipment, relates to the technical field of optical imaging, and can ensure that a prism can be stably mounted in a carrier and ensure the reliability of the periscopic camera module. Wherein the prism assembly comprises a prism and a carrier, the prism comprises a light-in surface, a light-out surface, a light-reflecting surface and a first side surface surrounded by the light-in surface, the light-out surface and the light-reflecting surface, light incident from the light-in surface is reflected by the light-reflecting surface and then is emitted from the light-out surface, and the first side surface is a curved surface. The carrier comprises a containing groove, the prism is contained in the containing groove, the containing groove is provided with a first side wall, the first side wall is located on the side facing the first side face, the first side wall is provided with a first surface facing the first side face, the first surface is a curved surface, and the first surface is matched with the first side face.

Description

Technical Field

[0001] The present application relates to the field of optical imaging technology, and in particular to a prism assembly, a periscope camera module and an electronic device. Background Art

[0002] As users' requirements for photography continue to increase, periscope camera modules are increasingly used in electronic devices such as mobile phones and tablets because of their ultra-long-distance shooting capabilities. In addition, in order to further improve the clarity of periscope camera module photography, the image sensors in periscope camera modules are designed to be larger and larger, and the prisms that match the image sensors are also larger. Therefore, how to stably install the larger mass prisms in the carrier has become a problem to be solved. Summary of the invention

[0003] The present application provides a prism assembly, a periscope camera module and an electronic device, which can ensure that the prism can be stably installed in a carrier, thereby ensuring the reliability of the periscope camera module.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions:

[0005] In a first aspect, the present application provides a prism assembly, which includes a prism and a carrier, wherein the prism includes a light incident surface, a light emitting surface, a light reflecting surface, and a first side surface surrounded by the light incident surface, the light emitting surface, and the light reflecting surface, and the light incident on the light incident surface is reflected by the light reflecting surface and then emitted from the light emitting surface, and the first side surface is a curved surface. The carrier includes a receiving groove, and the prism is received in the receiving groove, and the receiving groove has a first side wall, and the first side wall is located on the side facing the first side wall, and the first side wall has a first surface facing the first side surface, and the first surface is a curved surface, and the first surface is adapted to the first side surface.

[0006] In this way, the receiving groove of the carrier fits with the outer peripheral surface of the prism, and the adaptability of the carrier and the prism is higher. In addition, the first side surface of the prism adopts a curved surface shape. Compared with the flat shape, the first side surface adopts a curved surface to increase the contact area between the prism and the carrier. When the prism and the carrier are fixed together, the prism and the carrier are connected by bonding, which can increase the bonding area between the prism and the carrier, and further increase the bonding strength between the prism and the carrier. When the electronic device falls or hits, the bonding force between the prism and the carrier is greater than the stress caused by the external force on the prism and the carrier to separate from each other. As a result, the risk of the prism loosening or falling off is greatly reduced, which can improve the photo-taking effect of the electronic device and enhance the user experience.

[0007] Furthermore, when the first side surface and the first surface are curved surfaces, the shapes of the first side surface and the first surface themselves will limit the direction of movement of the prism relative to the carrier. Exemplarily, when the electronic device falls or collides, stress of relative movement occurs between the prism and the carrier, and in the direction of the stress, the first side surface and the first surface extend in a curve, that is, the first side surface and the first surface present an uneven mating surface. Therefore, when stress is applied between the prism and the carrier, the uneven mating surface between the first side surface and the first surface limits the movement of the prism relative to the carrier. The prism can not only be bonded to the carrier by adhesive, but the prism and the carrier can also limit the movement of the prism relative to the carrier by their own structural features, further improving the stability of the connection between the prism and the carrier and avoiding the problem of the prism loosening or falling off.

[0008] In a possible implementation of the first aspect, the first side surface includes a first plane and a second plane, and the plane where the first plane is located intersects with the plane where the second plane is located. The first surface includes a third plane and a fourth plane, and the plane where the third plane is located intersects with the plane where the fourth plane is located, the third plane faces the first plane, and the fourth plane faces the second plane.

[0009] That is to say, the first side surface is a curved surface composed of a first plane and a second plane connected to each other. Compared with a curved surface with multiple sections of unevenness, the first side surface has only two planes, which makes the processing of the prism simpler and ensures the accuracy of the prism processing. In addition, the first side surface having the first plane and the second plane can also limit the movement of the prism relative to the carrier through its own structural characteristics, thereby avoiding the problem of the prism loosening and falling off, further improving the stability of the connection between the prism and the carrier, improving the shooting quality of the periscope camera module, and enhancing the user experience.

[0010] In a possible implementation of the first aspect, the plane where the light incident surface is located intersects with the plane where the light emitting surface is located and forms a first intersection line. The plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line, and the second intersection line is perpendicular to and intersects with the first intersection line. In this way, the first plane and the second plane are non-coplanar congruent triangles, and when the electronic device falls and collides, the adhesion force between the first plane and the first side wall is equal to the adhesion force between the second plane and the first side wall, so that the stress between the prism and the carrier can be evenly dispersed on all areas of the first side surface.

[0011] Furthermore, since the first plane is not coplanar with the second plane, a protrusion or a depression is formed at the intersection of the first plane and the second plane, and the receiving groove of the carrier forms an inner wall surface adapted to the first side surface to limit the movement of the prism. The prism is likely to fall off the carrier only when the stress direction between the prism and the carrier is parallel to the second intersection line. When the stress direction between the prism and the carrier is in an intersecting relationship with the second intersection line, the prism and the carrier limit the movement of the prism relative to the carrier through their own structural features. Therefore, the prism and the carrier of the present application are not only connected by the bonding effect of the adhesive material, but also can further fix the connection of the prism by utilizing its own structural features, thereby avoiding the problem of the prism loosening and falling off, and improving the user experience.

[0012] In a possible implementation of the first aspect, the plane where the light incident surface is located intersects with the plane where the light reflecting surface is located and forms a third intersection line. In the direction of the first intersection line, the distance from one end of the first intersection line close to the first surface to one end of the third intersection line close to the first surface is the first distance, and the first distance is greater than or equal to 0.8 mm and less than or equal to 1.5 mm. In this way, the area of ​​the first side surface is increased to increase the bonding strength between the prism and the carrier. If the first distance is less than 0.8 mm, the area of ​​the first side surface is increased less, and the effect on increasing the bonding area between the prism and the carrier is very small. Therefore, the first distance needs to have a lower limit value.

[0013] When the first distance is less than or equal to 1.5 mm, the effective light transmission area of ​​the prism can be ensured, and the problem of difficulty in processing caused by excessive inclination of the first side surface of the prism can be avoided. In summary, when the first distance is within the above range, it can ensure that the area of ​​the first plane is increased, and then the area of ​​the first side surface is increased, and then the bonding area between the prism and the carrier is increased; it can also ensure that the effective light transmission area of ​​the prism is not affected, which is convenient for the processing of the prism.

[0014] In a possible implementation of the first aspect, a first angle is defined between the first plane and the second plane, an opening of the first angle faces a side of the first side away from the first surface, and the first angle is less than 180 degrees. A second angle is defined between the third plane and the fourth plane, an opening of the second angle faces the first side, and the first angle is less than 180 degrees.

[0015] In this way, the first plane and the second plane protrude toward the first side wall, and the receiving groove of the carrier forms an inner wall surface that is compatible with the first side surface to limit the movement of the prism. The prism is likely to fall off the carrier only when the stress direction between the prism and the carrier is parallel to the second intersection line. When the stress direction between the prism and the carrier is in an intersecting relationship with the second intersection line, the prism and the carrier limit the movement of the prism relative to the carrier through their own structural characteristics. Therefore, the prism and the carrier of the present application are not only connected by the bonding effect of the adhesive material, but also can use their own structural characteristics to further fix the connection of the prism, thereby avoiding the problem of prism loosening and falling off, and improving the user experience.

[0016] In a possible implementation of the first aspect, a first angle is defined between the first plane and the second plane, an opening of the first angle faces a side of the first side away from the first surface, and the first angle is less than 180 degrees. A second angle is defined between the third plane and the fourth plane, an opening of the second angle faces the first side, and the first angle is less than 180 degrees.

[0017] In this way, the periphery of the third plane from the fourth intersection line to the third plane extends obliquely toward the direction close to the prism. The third plane extends away from the first side surface, and the third plane is adapted to the first plane to limit the movement of the prism. The first plane and the second plane protrude toward the first side wall, and the accommodating groove of the carrier forms an inner wall surface adapted to the first side surface to limit the movement of the prism. Only when the stress direction between the prism and the carrier is parallel to the second intersection line, the prism is likely to fall off from the carrier. When the stress direction between the prism and the carrier is in an intersecting relationship with the second intersection line, the prism and the carrier limit the movement of the prism relative to the carrier through their own structural characteristics. Therefore, the prism and the carrier of the present application are not only connected by the bonding effect of the adhesive material, but also can use their own structural characteristics to further fix the connection of the prism, thereby avoiding the problem of prism loosening and falling off, and improving the user experience.

[0018] In a possible implementation of the first aspect, a first rounded corner structure is provided at the first intersection line, a second rounded corner structure is provided at the second intersection line, and the first side wall has a third rounded corner structure opposite to the second rounded corner structure. The first rounded corner structure can avoid stress concentration of the prism at the first intersection line, and the structural strength of the prism is enhanced by providing the first rounded corner structure. Similarly, the second rounded corner structure can avoid stress concentration of the prism at the second intersection, and the structural strength of the prism is enhanced by providing the second rounded corner structure.

[0019] In a possible implementation of the first aspect, the first surface has at least one first long groove that is recessed away from the first side surface, and a first adhesive is provided in the first long groove, and the first adhesive is bonded between the inner surface of the first long groove and the first side surface. In this way, the first long groove provides a larger accommodating space for the first adhesive, and the volume of the first adhesive between the prism and the carrier is increased, thereby enhancing the bonding strength between the prism and the carrier, further improving the stability of the connection between the prism and the carrier, and improving the user experience.

[0020] In a possible implementation of the first aspect, the plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line, the number of the first long grooves is multiple, and the multiple first long grooves are parallel and arranged at intervals along the direction of the second intersection line. The length direction of the first long groove is perpendicular to the second intersection line, the part of the first long groove along the length direction is arranged on the third plane, and the other part of the first long groove along the length direction is arranged on the fourth plane. In this way, the length direction of the first long groove is perpendicular to the direction of the second intersection line, which can effectively resist the stress parallel to the second intersection line, and then effectively prevent the prism from escaping from the carrier, and further improve the reliability of the connection between the prism and the carrier.

[0021] In a possible implementation of the first aspect, the first long groove is arranged on the third plane, the first surface further has at least one second long groove recessed away from the first side surface, the second long groove is arranged on the fourth plane, a second adhesive is arranged in the second long groove, the second adhesive is bonded between the inner surface of the second long groove and the first side surface, and the length direction of the first long groove intersects with the length direction of the second long groove. In this way, the second long groove provides a larger accommodating space for the second adhesive, the volume of the second adhesive between the prism and the carrier is increased, and the bonding strength between the prism and the carrier is enhanced, and further, the stability of the connection between the prism and the carrier is improved, and the user experience is improved.

[0022] In a possible implementation of the first aspect, there are multiple first long grooves, and the multiple first long grooves are arranged in parallel and spaced apart in a direction perpendicular to the length of the first long grooves. There are multiple second long grooves, and the multiple second long grooves are arranged in parallel and spaced apart in a direction perpendicular to the length of the second long grooves. In this way, the second long grooves provide a larger accommodating space for the second adhesive material, and the volume of the second adhesive material between the prism and the carrier is increased, thereby enhancing the bonding strength between the prism and the carrier, further improving the stability of the connection between the prism and the carrier, and enhancing the user experience.

[0023] In a possible implementation of the first aspect, the plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line, the length direction of the first long groove is perpendicular to the length direction of the second long groove, the angle bisector between the first long groove and the second long groove is a first reference line, and the first reference line is parallel to the second intersection line. The stability of the connection between the prism and the carrier is improved, and the user experience is improved.

[0024] In a possible implementation of the first aspect, a first light absorbing layer is provided on the first side to prevent light incident from the light incident surface from being irradiated from the first side and the second side, and to ensure that light entering from the light incident surface is emitted from the light emitting surface, thereby improving the refraction efficiency of the light.

[0025] In a possible implementation of the first aspect, the carrier includes a base and a second side wall opposite to the first side wall, and the base, the first side wall and the second side wall form a receiving groove. Light is irradiated to the light incident surface through the first opening, and the light is reflected from the light exiting surface and irradiated to the surface of the lens through the second opening.

[0026] In a possible implementation of the first aspect, the prism also includes a second side surface surrounded by a light incident surface, a light emitting surface, and a light reflecting surface and opposite to the first side surface, and the second side surface is a curved surface. The carrier also includes a second side wall opposite to the first side wall, and the second side wall has a second surface facing the second side surface, and the second surface is a curved surface, and the second surface is adapted to the second side surface. In this way, the receiving groove of the carrier fits the outer peripheral surface of the prism, and the adaptability of the carrier and the prism is higher. In addition, at least one of the first side surface and the second side surface of the prism adopts a curved surface shape. Compared with the shape of a plane, the use of a curved surface in one of the first side surface and the second side surface can increase the contact area between the prism and the carrier. When the prism is fixed with the carrier, the prism and the carrier are connected by bonding, which can increase the bonding area between the prism and the carrier, and further, improve the bonding strength between the prism and the carrier. When an electronic device falls or is hit, the adhesion force between the prism and the carrier is greater than the stress caused by the external force on the prism and the carrier causing them to separate from each other. As a result, the risk of the prism loosening or falling off is greatly reduced, thereby improving the photography effect of the electronic device and enhancing the user experience.

[0027] When the second side surface and the second surface are curved surfaces, the shapes of the second surface and the second side wall will limit the direction of movement of the prism relative to the carrier. Exemplarily, when the electronic device falls or collides, stress of relative movement occurs between the prism and the carrier, and in the direction of the stress, the second side surface and the second surface extend in a curve, that is, the second side surface and the second surface have an uneven mating surface. Therefore, when the prism and the carrier are subjected to stress Fx, the uneven mating surface between the second side surface and the second surface limits the movement of the prism relative to the carrier. The prism can not only be bonded to the carrier by adhesive, but the prism and the carrier can also limit the movement of the prism relative to the carrier by their own structural features, further improving the stability of the connection between the prism and the carrier and avoiding the problem of the prism loosening or falling off.

[0028] In a possible implementation of the first aspect, the first side surface and the second side surface are symmetrically arranged relative to the first reference surface, the light incident surface and the light exit surface intersect and form a first intersection line, and the first reference surface passes through the midpoint of the first intersection line and is perpendicular to the reflection surface. The first side surface and the second side surface of the prism are symmetrical structures, which facilitates the processing of the prism.

[0029] In a second aspect, the present application further provides a periscope camera module, which includes the above-mentioned prism assembly, lens group and image sensor, wherein the light incident surface of the prism assembly faces the object side, and the light emitting surface of the prism assembly faces the image side. The lens group is located on the side toward which the light emitting surface faces. The image sensor is located on the side of the lens group away from the prism assembly.

[0030] Since the periscope camera module provided in the present application includes the prism assembly of the above technical solution, the two can solve the same technical problems and achieve the same effects.

[0031] On the third aspect, the present application also provides an electronic device, which includes a shell and a periscope camera module, the shell has a light-transmitting window, the periscope camera module is the periscope camera module of the above content, and the periscope camera module is arranged in the shell.

[0032] Since the electronic device provided in the present application includes a periscope camera module according to the above technical solution, the two can solve the same technical problems and achieve the same effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A perspective view of an electronic device provided for some embodiments of the present application;

[0034] Figure 2 for Figure 1 an exploded view of the electronic device shown;

[0035] Figure 3An exploded view of a periscope camera module provided in some embodiments of the present application;

[0036] Figure 4 for Figure 3 A schematic diagram of the structure of the prism assembly shown;

[0037] Figure 5 for Figure 4 A simulation diagram of the stress on the first side surface when the prism is dropped or collided;

[0038] Figure 6 A schematic diagram of the structure of a prism assembly provided in some other embodiments of the present application;

[0039] Figure 7 for Figure 6 An exploded view of the prism assembly shown;

[0040] Figure 8 for Figure 6 A schematic diagram of the structure of the prism in the prism assembly shown in FIG. 1 as viewed from the perspective of F2;

[0041] Fig. 9 for Figure 6 Another schematic diagram of the structure of the prism in the prism assembly as viewed from the perspective of F2;

[0042] Fig.10 for Figure 6 A schematic diagram of the cooperation between the first side surface and the first side wall when the prism is cooperated with the carrier;

[0043] Fig.11 for Figure 6 A schematic structural diagram of a first side surface of the prism shown;

[0044] Fig.12 for Figure 6 Another structural schematic diagram of the first side surface of the prism shown in FIG. 1 as viewed from the perspective of F2;

[0045] Fig.13 for Figure 7 A schematic diagram of the structure of the carrier in the prism assembly as viewed from the perspective of F2;

[0046] Fig.14 for Figure 6 A perspective view of a prism in the prism assembly shown;

[0047] Fig.15 for Figure 7 A schematic diagram of the structure of the prism in the prism assembly shown in FIG. 1 as viewed from the perspective of F3;

[0048] Fig.16 for Figure 7 Another schematic diagram of the structure of the prism in the prism assembly shown in FIG. 1 as viewed from the perspective of F3;

[0049] Fig.17 A schematic diagram of processing a first side surface of a prism provided in some embodiments of the present application;

[0050] Fig.18 Schematic diagram of prism structure provided for some embodiments and some embodiments of the present application;

[0051] Fig.19 A schematic diagram of the structure of a carrier provided in some embodiments of the present application;

[0052] Fig. 20 A schematic diagram of the structure of a carrier provided in some other embodiments of the present application;

[0053] Fig.21 A schematic diagram of the structure of a prism provided in some further embodiments of the present application;

[0054] Fig. 22 A schematic diagram of the direction in which the prism 411 in the prior art comes out when subjected to stress;

[0055] Fig.23 Schematic diagram of the structure of the prism 411 provided in some other embodiments of the present application.

[0056] Reference numerals:

[0057] 100. Electronic equipment;

[0058] 10. Screen; 11. Translucent cover; 12. Display screen;

[0059] 20. back shell; 21. back cover; 211. mounting opening; 22. frame; 23. middle plate;

[0060] 40. periscope camera module; 41. prism assembly; 411. prism; 4111. light incident surface; 4112. light emitting surface; 4113. reflective surface;

[0061] 4114, first side surface; 4114a, first plane; 4114b, second plane; 4115, second side surface; 4116, first light absorbing layer; 4117, second light absorbing layer;

[0062] L1, first intersection line; L2, second intersection line; L3, third intersection line; L5, fifth intersection line; 4111a, first edge; 4112a, second edge; 4113a, third edge; 4113b, first section; 4113c, second section; D1, first point; P2, second point; M1, first reference surface;

[0063] 412, carrier; 4121, receiving groove; 4122, first opening; 4123, second opening; 4124, base; 4124a, bottom wall; 4125, first side wall; 4125a, third plane; 4125b, fourth plane; 4125c, first surface; 4126, second side wall; 4127, first long groove; 4128, second long groove;

[0064] 42. Lens group; 43. Image sensor; 50. Camera decorative cover; 51. Light-transmitting window.

[0065] 60. prism blank; 61. first surface; 62. second surface; 63. fourth surface; 64. fifth surface;

[0066] R1, first rounded corner structure; R2, second rounded corner structure; R3, third rounded corner structure. DETAILED DESCRIPTION

[0067] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0068] In the embodiments of the present application, the terms "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0069] In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0070] In the description of the embodiments of the present application, "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present application generally indicates that the associated objects before and after are in an "or" relationship.

[0071] In the embodiments of the present application, directional terms such as "up", "down", "lateral", "longitudinal", "horizontal" and "vertical" may be defined including but not limited to the orientation relative to the schematic placement of the components in the drawings. It should be understood that these directional terms may be relative concepts, which are used for relative description and clarification, and may change accordingly according to the change of the orientation of the components in the drawings.

[0072] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed connection" means that the two are connected to each other and the relative position relationship remains unchanged after the connection. "Rotational connection" means that the two are connected to each other and can rotate relative to each other after the connection. "Sliding connection" means that the two are connected to each other and can slide relative to each other after the connection.

[0073] In the description of the embodiments of the present application, the terms "directionally consistent", "perpendicular", "parallel", and "equal" include the situations described and situations similar to the situations described, and the range of the similar situations is within an acceptable deviation range, wherein the acceptable deviation range is determined by a person of ordinary skill in the art taking into account the measurement being discussed and the errors associated with the measurement of a specific quantity (i.e., the limitations of the measurement system). For example, "parallel" includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range of approximate parallelism can be, for example, a deviation within 5° or 10°; "perpendicular" includes absolute perpendicularity and approximate perpendicularity, wherein the acceptable deviation range of approximate perpendicularity can also be, for example, a deviation within 5° or 10°. "Equal" includes absolute equality and approximate equality, wherein the acceptable deviation range of approximate equality can be, for example, the difference between the two equals is less than or equal to 5% or 10% of either one.

[0074] The embodiment of the present application provides an electronic device 100, which has a periscope camera module 40 and can realize the shooting of videos and pictures. The electronic device 100 provided in the embodiment of the present application can be a portable electronic device or other suitable electronic device. For example, the electronic device 100 can be a mobile phone, a tablet computer, a laptop computer, a personal digital assistant (PDA), a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device (for example, a smart watch, a smart bracelet), augmented reality (AR) glasses, AR helmets, virtual reality (VR) glasses or VR helmets, etc.

[0075] See also Figure 1 and Figure 2 , Figure 1 A perspective view of an electronic device 100 provided in some embodiments of the present application, Figure 2 for Figure 1 The exploded view of the electronic device 100 is shown. In this embodiment, the electronic device 100 is a mobile phone. The electronic device 100 includes a screen 10, a back shell 20, a periscope camera module 40, a circuit board assembly and a camera decorative cover 50.

[0076] Understandably, Figure 1 and Figure 2 Only some components of the electronic device 100 are schematically shown, and the actual shapes, sizes, positions and structures of these components are not subject to the present invention. Figure 1 and Figure 2 In some other examples, the electronic device 100 may also not include the screen 10 and the camera decorative cover 50.

[0077] In this embodiment, the electronic device 100 is in the shape of a rectangular flat plate. In order to facilitate the description of each embodiment below, an XYZ coordinate system is established for the electronic device 100, and the width direction of the electronic device 100 is defined as the X-axis direction, the length direction of the electronic device 100 is defined as the Y-axis direction, and the thickness direction of the electronic device 100 is defined as the Z-axis direction. It can be understood that the coordinate system setting of the electronic device 100 can be flexibly set according to actual needs, and no specific limitation is made here. In some other embodiments, the shape of the electronic device 100 can also be a square flat plate, a circular flat plate, an elliptical flat plate, etc.

[0078] The screen 10 is used to display images, videos, etc. Figure 2 The screen 10 includes a light-transmitting cover plate 11 and a display screen 12. The light-transmitting cover plate 11 and the display screen 12 are stacked and fixedly connected. The light-transmitting cover plate 11 is mainly used to protect the display screen 12 and prevent dust.

[0079] The back cover 20 is used to protect the internal electronic components of the electronic device 100. Figure 1-Figure 2 The back shell 20 includes a back cover 21 and a frame 22. The back cover 21 is located on the side of the display screen 12 away from the light-transmitting cover plate 11, and is stacked with the light-transmitting cover plate 11 and the display screen 12. The frame 22 is located between the back cover 21 and the light-transmitting cover plate 11. The light-transmitting cover plate 11 and the back cover 21 can be fixed at opposite ends of the frame 22 respectively. The light-transmitting cover plate 11, the back cover 21 and the frame 22 enclose an internal accommodation space of the electronic device 100. The internal accommodation space accommodates the display screen 12.

[0080] In some embodiments, see Figure 2The electronic device 100 further includes a middle plate 23. The middle plate 23 is used as a structural "skeleton" of the electronic device 100, and the middle plate 23 is fixed to the inner surface of the frame 22. For example, the middle plate 23 can be fixed to the frame 22 by welding. The middle plate 23 can also be an integrally formed structure with the frame 22.

[0081] The periscope camera module 40 is used to take photos / videos. The periscope camera module 40 is fixed in the back shell 20 of the electronic device 100. Specifically, the periscope camera module 40 is arranged in the internal accommodation cavity of the electronic device 100. The periscope camera module 40 can be used as a rear periscope camera module or a front periscope camera module.

[0082] In some embodiments, see Figure 1 and Figure 2 , the periscope camera module 40 can be fixed on the surface of the middle plate 23 facing the back cover 21, and the light incident surface of the periscope camera module 40 faces the back cover 21. The back cover 21 is provided with a mounting opening 211, and the camera decorative cover 50 covers and is fixed at the mounting opening 211. The camera decorative cover 50 is used to protect the periscope camera module 40. The camera decorative cover 50 is provided with a light-transmitting window 51. The light-transmitting window 51 allows the light of the scene to enter the light incident surface of the periscope camera module 40. In this embodiment, the periscope camera module 40 is used as a rear periscope camera module 40 of the electronic device 100.

[0083] In other embodiments, the periscope camera module 40 may also be fixed to the surface of the middle plate 23 facing the light-transmitting cover plate 11. In this case, the light-entering surface of the periscope camera module 40 faces the light-transmitting cover plate 11. A light path avoidance hole is provided on the display screen 12. The light path avoidance hole allows the scene light to pass through the light-transmitting cover plate 11 and then enter the light-entering surface of the periscope camera module 40. In this way, the periscope camera module 40 is used as a front periscope camera module 40 of the electronic device 100.

[0084] See also Figure 3 , Figure 3 An exploded view of a periscope camera module 40 provided in some embodiments of the present application. The periscope camera module 40 includes a prism assembly 41, a lens group 42 and an image sensor 43.

[0085] Understandably, Figure 3 Only some components of the periscope camera module 40 are schematically shown, and the actual shapes, sizes, positions and structures of these components are not subject to Figure 3 In addition, Figure 3 The coordinate system in Figure 1 and Figure 2 The coordinate system in is expressed as the same coordinate system. That is, Figure 3The components in the periscope camera module 40 are Figure 3 The orientation relationship in the coordinate system shown is the same as when the periscope camera module 40 is applied to Figure 1 and Figure 2 When the electronic device 100 is shown, the various components therein are Figure 1 and Figure 2 The orientation relationships in the coordinate systems shown are the same.

[0086] Please also read Figure 3 and Figure 4 , Figure 4 for Figure 3 The schematic diagram of the structure of the prism assembly 41 is shown, and the prism assembly 41 includes a prism 411 and a carrier 412. The prism 411 is used to fold the light path, and the prism 411 is arranged on the object side of the lens group 42. The carrier 412 is used to fix the prism 411, and specifically, the carrier 412 has a receiving groove 4121, and the prism 411 is received in the receiving groove 4121.

[0087] The lens group 42 may include one or more optical lenses. The optical lens may be a convex lens or a concave lens. When there are multiple optical lenses, the multiple optical lenses may be arranged along the optical axis P1 of the lens group 42. The optical axis P1 of the lens group 42 may be parallel to the Y-axis direction. It is understood that in other embodiments, the optical axis P1 direction of the lens group 42 may also be parallel to the X-axis direction.

[0088] After the light λ from the object side passes through the light-transmitting window 51 and enters the prism 411, the prism 411 deflects the light path and projects it to the lens group 42. Specifically, the prism 411 deflects the light propagating along P2 into the light propagating along P1 and then irradiates the lens group 42. The lens group 42 can use the principle of refraction to converge the light onto the imaging surface of the periscope camera module 40 for imaging.

[0089] The “object side of the lens group 42 ” in the embodiment of the present application refers to the side of the lens group 42 close to the object being photographed. The “image side of the lens group 42 ” refers to the side of the lens group 42 close to the image of the object being photographed.

[0090] The image sensor 43 is used to collect the imaging light beam after the image is formed by the lens group 42, and convert the image information carried by the imaging light beam into an electrical signal. The image sensor 43 can also be called a photosensitive chip, or a photosensitive element. The image sensor 43 is located on the image side of the lens group 42. The image sensor 43 includes a photosensitive surface, which faces the light-emitting side of the lens. A plurality of photosensitive units are provided on the photosensitive surface.

[0091] The telephoto lens has a function similar to that of a telescope, and can capture distant objects. Its viewing range is much smaller than that of the naked eye (small viewpoint), which is convenient for long-distance snapshots. Electronic devices 100 with a telephoto shooting function are becoming more and more popular. As the number of cameras on electronic devices 100 increases, periscope camera modules 40 with telephoto lenses are increasingly used in electronic devices 100.

[0092] In order to make the telephoto lens have a higher shooting clarity, the periscope camera module 40 usually uses an image sensor 43 with a larger photosensitive surface, so that the image sensor 43 collects more light, thereby improving the clarity and shooting effect of the telephoto lens. Further, in order to refract more light onto the photosensitive surface of the image sensor 43, the periscope camera module 40 usually uses a larger prism 411 to adapt to the large-area image sensor 43, so that the prism 411 refracts more light onto the photosensitive surface of the image sensor 43.

[0093] During the use of the electronic device 100, the electronic device 100 will inevitably fall or collide. When the electronic device 100 falls or collides, the electronic components and structural parts in the electronic device 100 will squeeze or collide with each other. For example, in the periscope camera module 40, the prism 411 and the carrier 412 will squeeze and collide, and the stress between the prism 411 and the carrier 412 will increase. The prism 411 and the carrier 412 are usually fixed by bonding with adhesive. When the stress between the prism 411 and the carrier 412 exceeds the bonding strength between the prism 411 and the carrier 412, the prism 411 becomes loose. In severe cases, the prism 411 falls off the carrier 412, which affects the user's shooting effect and usage experience. Please refer to Figure 5 , Figure 5 for Figure 4 The simulation diagram shows the stress on the first side surface 4114 when the prism 411 falls or collides. When the electronic device 100 falls or collides, the edge area of ​​the prism 411 is subjected to greater stress, that is, the edge of the side area of ​​the prism 411, where the prism 411 and the carrier 412 are usually peeled off and gradually loosened and fell off.

[0094] In order to solve the above problems, the above problems can be improved from the design of the glue material. Specifically, the glue material can be made of a material with greater adhesion, or a glue groove can be set on the inner wall of the carrier 412 to accommodate a larger volume of glue. However, the above solution is already at a bottleneck stage and cannot be further improved. In order to prevent the prism 411 from falling off, a prism 411 of smaller mass can also be selected. However, a prism 411 of smaller mass cannot meet the requirement of refracting more light. Therefore, the small mass prism 411 conflicts with the requirement of improving the imaging quality of the periscope camera module 40.

[0095] Therefore, the present application improves the structure of the prism 411 and the carrier 412 to improve the bonding strength between the prism 411 and the carrier 412, thereby solving the problem that the prism 411 is easy to loosen and fall off. Figure 6 and Figure 7 , Figure 6 A schematic diagram of the structure of a prism assembly 41 provided in some other embodiments of the present application;

[0096] Figure 7 for Figure 6 An exploded view of the prism assembly 41 is shown. The structure of the prism 411 may be a column, and this embodiment is described by taking the prism 411 as a triangular prism as an example. Specifically, the prism 411 has a light incident surface 4111, a light emitting surface 4112, and a light reflecting surface 4113, as well as a first side surface 4114 and a second side surface 4115 surrounded by the light incident surface 4111, the light emitting surface 4112, and the light reflecting surface 4113. The light incident surface 4111, the light emitting surface 4112, and the light reflecting surface 4113 may be a quadrilateral. In this embodiment, the light incident surface 4111, the light emitting surface 4112, and the light reflecting surface 4113 are congruent quadrilaterals.

[0097] Among them, the light incident surface 4111 faces a first direction, and the first direction is parallel to the Z-axis direction, that is, the light incident surface 4111 faces the light-transmitting window 51. The light emitting surface 4112 faces a second direction. In the present embodiment, the second direction is parallel to the Y-axis direction. In some other embodiments, the second direction may also be parallel to the X-axis direction. The "parallel" mentioned above is not parallel in an absolute sense. The "parallel" mentioned above refers to parallelism with a certain error angle. For example, the angle between the first direction and the Z-axis direction is less than 30 degrees and can be considered "parallel". The definition of "parallel" in the following text is as above and will not be repeated. The light incident surface 4111 is connected to the light emitting surface 4112 and forms a first intersection line L1, and a first angle α is formed between the light incident surface 4111 and the light emitting surface 4112. The first angle α may be 75 degrees, 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees, and the like.

[0098] The reflecting surface 4113 faces the third direction and is connected between the light incident surface 4111 and the light emitting surface 4112. Specifically, the reflecting surface 4113 intersects with the light incident surface 4111 to form a third intersection line L3, and the reflecting surface 4113 intersects with the light emitting surface 4112 to form a fifth intersection line L5. Among them, the light incident surface 4111 has a first edge 4111a, the light emitting surface 4112 has a second edge 4112a, and the reflecting surface 4113 has a third edge 4113a. The ends of the first edge 4111a, the second edge 4112a and the third edge 4113a are also interconnected to form a ring. In the present embodiment, the ring is approximately a triangle. This is only an exemplary description of the present application and does not represent a special limitation on the present application. That is to say, in some other embodiments, the first edge 4111a, the second edge 4112a and the third edge 4113a may also form a circular ring, an elliptical ring, a square ring, etc.

[0099] The prism 411 also has a peripheral side surface connected to the light incident surface 4111, the light emitting surface 4112 and the light reflecting surface 4113, wherein the peripheral side surface includes a first side surface 4114 and a second side surface 4115, and the first side surface 4114 and the second side surface 4115 are connected to opposite ends of the light incident surface 4111. Specifically, the first side surface 4114 is connected to one side periphery of the light incident surface 4111, the light emitting surface 4112 and the light reflecting surface 4113, and the second side surface 4115 is connected to the other side periphery of the light incident surface 4111, the light emitting surface 4112 and the light reflecting surface 4113, wherein the periphery of the first side surface 4114 is connected to the first edge 4111a, the second edge 4112a and the third edge 4113a.

[0100] In some embodiments, the first side surface 4114 and the second side surface 4115 are symmetrically arranged relative to the first reference surface M1, the light incident surface 4111 and the light reflecting surface 4113 intersect and form a third intersection line L3, the first reference surface M1 is perpendicular to the light reflecting surface 4113, and the reference surface passes through the midpoint of the third intersection line L3. The symmetrical arrangement of the first side surface 4114 and the second side surface 4115 facilitates the processing of the prism 411, and the shape of the carrier 412 adapted to the prism 411 is also convenient for processing. The symmetrical structure of the prism 411 also facilitates the assembly of the prism 411 and the carrier 412, thereby improving the production efficiency of the prism assembly 41 and facilitating the mass production of the prism assembly 41. In some other embodiments, the first side surface 4114 and the second side surface 4115 may also be arranged non-parallel, and the first side surface 4114 and the second side surface 4115 may also be arranged asymmetrically.

[0101] At least one of the first side surface 4114 and the second side surface 4115 is a curved surface, and "at least one" here includes the following situations: first, the first side surface 4114 is a curved surface and the second side surface 4115 is a plane; second, the first side surface 4114 is a plane and the second side surface 4115 is a curved surface; third, both the first side surface 4114 and the second side surface 4115 are curved surfaces. The following description is made by taking the case where both the first side surface 4114 and the second side surface 4115 are curved surfaces as an example, but this does not represent a special limitation on the present application, but only represents an exemplary description of the present application.

[0102] The following embodiments are described by taking the first side surface 4114 and the second side surface 4115 as being symmetrically arranged relative to the first reference surface M1, but this does not represent a special limitation on the present application, that is, in other embodiments, the first side surface 4114 and the second side surface 4115 may also be asymmetrically arranged. Moreover, the first side surface 4114 is described as an example.

[0103] See also Figure 8 and Fig. 9 , Figure 8 for Figure 6 A schematic structural diagram of the prism 411 in the prism assembly 41 as viewed from a viewing angle F2; Fig. 9 for Figure 6 The prism 411 in the prism assembly 41 is another structural schematic diagram viewed from the perspective F2. When viewed from the opposite direction of the third direction, the first side surface 4114 of the prism 411 may be wavy or folded, and specifically, the first side surface 4114 may be S-shaped, N-shaped, U-shaped, etc.

[0104] Similarly, the structure of the carrier 412 for accommodating the prism 411 is also compatible with the structure of the prism 411. Here, "compatible" means that the inner wall of the carrier 412 and the inner wall of the prism 411 extend in the same path. Figure 6 and Figure 7 Specifically, the carrier 412 has a base 4124 and a first side wall 4125 and a second side wall 4126 that are oppositely disposed. The base 4124, the first side wall 4125 and the second side wall 4126 form a receiving groove 4121. The receiving groove 4121 has a first opening 4122, a second opening 4123 and a bottom wall 4124a. The first opening 4122 faces the first direction, the second opening 4123 faces the second direction, the bottom wall 4124a extends along the third direction, one end of the bottom wall 4124a extends to the first opening 4122, and the other end of the bottom wall 4124a extends to the second opening 4123. The light incident surface 4111 faces the light transmission window 51 through the first opening 4122, the light exit surface 4112 faces the lens group 42 through the second opening 4123, the light reflecting surface 4113 is in contact with the bottom wall 4124a, and the bottom wall 4124a provides a support surface for fixing the prism 411.

[0105] The first side wall 4125 has a first surface 4125c facing the first side surface 4114, and the second side wall 4126 has a second surface facing the second side surface 4115. The first surface 4125c is in contact with the first side surface 4114, and the second surface is in contact with the second side surface 4115. In other words, when the first side surface 4114 is a curved surface, the first side wall 4125 is a curved surface that is consistent with the shape of the first side surface 4114; when the second side surface 4115 is a curved surface, the second side wall 4126 is a curved surface that is consistent with the shape of the second side surface 4115.

[0106] In this way, the receiving groove 4121 of the carrier 412 is in contact with the outer peripheral surface of the prism 411, and the carrier 412 and the prism 411 are more compatible. In addition, at least one of the first side surface 4114 and the second side surface 4115 of the prism 411 is in the shape of a curved surface. Compared with a flat surface, the use of a curved surface in one of the first side surface 4114 and the second side surface 4115 can increase the contact area between the prism 411 and the carrier 412. When the prism 411 and the carrier 412 are fixed together, the prism 411 and the carrier 412 are connected by bonding, thereby increasing the bonding area between the prism 411 and the carrier 412, and further increasing the bonding strength between the prism 411 and the carrier 412. When the electronic device 100 falls or is hit, the adhesive force between the prism 411 and the carrier 412 is greater than the stress caused by the external force on the prism 411 and the carrier 412 to separate from each other. As a result, the risk of the prism 411 loosening or falling off is greatly reduced, thereby improving the photo-taking effect of the electronic device 100 and enhancing the user experience.

[0107] See also Fig.10 , Fig.10 for Figure 6 The diagram shows the cooperation between the first side surface 4114 and the first side wall 4125 when the prism 411 cooperates with the carrier 412. When the first side surface 4114 and the first surface 4125c are curved surfaces, the shapes of the first side surface 4114 and the first surface 4125c will limit the movement direction of the prism 411 relative to the carrier 412. For example, when the electronic device 100 falls or collides, Fig.10As shown, a stress Fx that causes relative movement occurs between the prism 411 and the carrier 412. In the direction of the stress Fx, the first side surface 4114 and the first surface 4125c extend in a curve, that is, the first side surface 4114 and the first surface 4125c form an uneven matching surface. Therefore, when the prism 411 and the carrier 412 are subjected to the stress Fx, the uneven matching surface between the first side surface 4114 and the first surface 4125c restricts the movement of the prism 411 relative to the carrier 412. The prism 411 can not only be bonded to the carrier 412 by the adhesive, but the prism 411 and the carrier 412 can also restrict the movement of the prism 411 relative to the carrier 412 by their own structural features, further improving the stability of the connection between the prism 411 and the carrier 412, and avoiding the problem of the prism 411 being loose or falling off.

[0108] Please also read Fig.11 and Fig.12 , Fig.11 for Figure 6 A schematic structural diagram of a first side surface 4114 of a prism 411 is shown; Fig.12 for Figure 6 The first side surface 4114 of the prism 411 shown is another structural schematic diagram viewed from the perspective of F2. The first side surface 4114 includes a first plane 4114a and a second plane 4114b connected to each other, and the first plane 4114a intersects with the second plane 4114b. In other words, the first side surface 4114 is a curved surface composed of the first plane 4114a and the second plane 4114b connected to each other. Compared with the curved surface with multiple sections of unevenness, the first side surface 4114 has only two planes, and the processing of the prism 411 is simpler, and the accuracy of the processing of the prism 411 can also be ensured. In addition, the first side surface 4114 has the first plane 4114a and the second plane 4114b, which can also limit the movement of the prism 411 relative to the carrier 412 through its own structural characteristics, thereby avoiding the problem of loosening and falling off of the prism 411, further improving the stability of the connection between the prism 411 and the carrier 412, improving the shooting quality of the periscope camera module 40, and enhancing the user experience.

[0109] See also Fig.13 , Fig.13 for Figure 7A schematic diagram of the structure of the carrier 412 in the prism assembly 41 shown in FIG. 4 is a schematic diagram of the structure of the carrier 412 in the prism assembly 41 as viewed from the perspective of F2. The receiving groove 4121 of the carrier 412 is adapted to the above-mentioned prism 411. Specifically, the first side wall 4125 includes a third plane 4125a and a fourth plane 4125b connected to each other, and the third plane 4125a intersects with the fourth plane 4125b. In addition, the third plane 4125a is arranged parallel to the first plane 4114a, and the fourth plane 4125b is arranged parallel to the second plane 4114b. A glue material can be arranged between the first plane 4114a and the third plane 4125a, and the first plane 4114a and the third plane 4125a are connected by the glue material. A glue material is arranged between the second plane 4114b and the fourth plane 4125b, and the second plane 4114b and the fourth plane 4125b are connected by the glue material.

[0110] The area division of the first plane 4114a and the second plane 4114b and the extension directions of the first plane 4114a and the second plane 4114b are described in detail below.

[0111] See also Fig.14 , Fig.14 for Figure 6 A three-dimensional diagram of the prism 411 in the prism assembly 41 shown. The light incident surface 4111 intersects with the light emitting surface 4112 and forms a first intersection line L1, the plane where the first plane 4114a is located intersects with the plane where the second plane 4114b is located and forms a second intersection line L2, and the second intersection line L2 is perpendicular to and intersects with the first intersection line L1. In detail, the first intersection line L1, the first edge 4111a and the second edge 4112a intersect at a first point D1, the first intersection line L1 and the second intersection line L2 intersect at the first point D1, and the second intersection line L2 is perpendicular to the first intersection line L1. In other words, the second intersection line L2 is the perpendicular bisector of the third edge 4113a, the second intersection line L2 intersects with the third edge 4113a at a second point P2, and the second point P2 divides the third edge 4113a into equal first segments 4113b and second segments 4113c. The first edge 4111a, the first section 4113b and the second intersection line L2 form a first plane 4114a, and the second edge 4112a, the second section 4113c and the second intersection line L2 form a second plane 4114b. Based on the above embodiment, the first plane 4114a and the second plane 4114b are congruent triangles.

[0112] In this way, the first plane 4114a and the second plane 4114b are non-coplanar congruent triangles. When the electronic device 100 falls or collides, the adhesive force between the first plane 4114a and the first surface 4125c is equal to the adhesive force between the second plane 4114b and the first surface 4125c, so that the stress between the prism 411 and the carrier 412 can be evenly dispersed on all areas of the first side surface 4114. In addition, since the first plane 4114a and the second plane 4114b are not coplanar, a convexity or a concave is formed at the intersection of the first plane 4114a and the second plane 4114b, and the receiving groove 4121 of the carrier 412 forms an inner wall surface adapted to the first side surface 4114 to limit the movement of the prism 411. Only when the stress direction between the prism 411 and the carrier 412 is parallel to the second intersection line L2, the prism 411 may fall off from the carrier 412. When the stress direction between the prism 411 and the carrier 412 is in an intersecting relationship with the second intersection line L2, the prism 411 and the carrier 412 limit the movement of the prism 411 relative to the carrier 412 through their own structural features. Therefore, the prism 411 and the carrier 412 of the present application are not only connected by the bonding effect of the adhesive material, but also can use their own structural features to further fix the connection of the prism 411, thereby avoiding the problem of loosening and falling off of the prism 411, and improving the user experience.

[0113] Please also read Fig.14 and Fig.15 , Fig.15 for Figure 7 Schematic diagram of the structure of the prism 411 in the prism assembly 41 as viewed from the perspective of F3. In some embodiments, the plane where the light incident surface 4111 is located intersects with the plane where the light reflecting surface 4113 is located and forms a third intersection line L3. In the direction of the first intersection line L1, the distance from the end of the first plane 4114a close to the first intersection line L1 to the end of the first plane 4114a close to the third intersection line L3 is the first distance C1, and the first distance C1 is greater than or equal to 0.8 mm and less than or equal to 1.5 mm. This includes the following situations: first, the length of the first intersection line L1 is greater than the length of the third intersection line L3; second, the length of the first intersection line L1 is less than the length of the third intersection line L3.

[0114] In view of the above two situations, the structure of the prism 411 has two types. First, there is a first angle between the first plane 4114a and the second plane 4114b. The opening of the first angle is toward the side of the first side surface 4114 away from the first surface 4125c, and the first angle is less than 180 degrees. It can also be understood that when the length of the first intersection line L1 is greater than the length of the third intersection line L3, the first side surface 4114 of the prism 411 is convex from both sides to the center, that is, the first side surface 4114 of the prism 411 is convex toward the first side wall 4125 of the carrier 412, that is, Fig.15 The structure of the prism 411 is shown.

[0115] Second, see Fig.16 , Fig.16 for Figure 7 Another schematic diagram of the structure of the prism 411 in the prism assembly 41 shown is viewed from the perspective of F3. A first angle is formed between the first plane 4114a and the second plane 4114b, and the opening of the first angle is toward the side of the first side 4114 away from the first surface 4125c, and the first angle is greater than 180 degrees. It can also be understood that when the length of the first intersection line L1 is less than the length of the third intersection line L3, the first side 4114 of the prism 411 is concave from both sides to the center, that is, the first side 4114 of the prism 411 is concave away from the first side wall 4125 of the carrier 412. Correspondingly, the first side wall 4125 of the carrier 412 is convex toward the first side 4114, so that the prism 411 is adapted to the carrier 412.

[0116] For the two situations of the above-mentioned prism 411 and the carrier 412, the difference of the first distance C1 needs to be within the above-mentioned range. Specifically, the difference of the first distance C1 has a lower limit of 0.8 mm, which means that when the difference between the length of the first intersection line L1 and the length of the third intersection line L3 is greater than or equal to 0.8 mm, the first edge 4111a is inclined relative to the direction perpendicular to the first intersection line L1, and the first plane 4114a extends accordingly. In this way, the first plane 4114a extends toward the first reference surface M1 or away from the first reference surface M1 to form an inclined surface, thereby increasing the area of ​​the first side surface 4114 to increase the bonding strength between the prism 411 and the carrier 412. If the difference of the first distance C1 is less than 0.8 mm, the area of ​​the first side surface 4114 is small, and the effect of increasing the bonding area between the prism 411 and the carrier 412 is very small. Therefore, the difference of the first distance C1 needs to have a lower limit.

[0117] The difference in the first distance C1 has an upper limit of 1.5 mm, which means that when the difference between the length of the first intersection line L1 and the length of the third intersection line L3 is less than or equal to 1.5 mm, it can not only ensure the effective light-transmitting area of ​​the prism 411, but also avoid the problem of the first side surface 4114 of the prism 411 being too tilted and difficult to process.

[0118] In summary, when the difference in the first distance C1 is within the above range, it can ensure that the area of ​​the first plane 4114a is increased, thereby increasing the area of ​​the first side surface 4114, and thereby increasing the bonding area between the prism 411 and the carrier 412; it can also ensure that the effective light-transmitting area of ​​the prism 411 is not affected, thereby facilitating the processing of the prism 411.

[0119] Similarly, the light emitting surface 4112 intersects with the light reflecting surface 4113 and forms a fifth intersection line L5. In the direction of the first intersection line L1, the distance from one end of the first plane 4114a close to the first intersection line L1 to one end of the first plane 4114a close to the fifth intersection line L5 is a first distance C1, and the first distance C1 is greater than or equal to 0.8 mm and less than or equal to 1.5 mm. The following situations are also included here: first, the length of the first intersection line L1 is greater than the length of the fifth intersection line L5; second, the length of the first intersection line L1 is less than the length of the fifth intersection line L5. When the difference between the length of the first intersection line L1 and the length of the fifth intersection line L5 is within the above range, it can ensure that the area of ​​the second plane 4114b is increased, thereby increasing the area of ​​the first side surface 4114, and thereby increasing the bonding area between the prism 411 and the carrier 412; it can also ensure that the effective light transmission area of ​​the prism 411 is not affected, which is convenient for the processing of the prism 411.

[0120] On the basis of the above embodiment, the first plane 4114a and the second plane 4114b are symmetrically arranged relative to the second intersection line L2, and the first side surface 4114 is an axisymmetric shape, which is convenient for processing the first side surface 4114 and assembling the prism 411 and the carrier 412. The following description is based on the example that the first plane 4114a and the second plane 4114b are symmetrically arranged relative to the second intersection line L2. However, this is only an exemplary description of the present application. In some other embodiments, the first plane 4114a and the second plane 4114b may not be symmetrically arranged relative to the second intersection line L2.

[0121] Further explanation of the first edge 4111a being inclined, and the first plane 4114a and the second plane 4114b being inclined planes from the perspective of process processing is provided. Fig.17 , Fig.17A processing schematic diagram of the first side surface 4114 of the prism 411 provided for some embodiments of the present application. The prism 411 of the present application is cut on the blank 60 of the prism 411, and the blank 60 of the prism 411 can be a regular triangular prism shape. That is, the blank 60 of the prism 411 can include three congruent and interconnected first surfaces 61, second surfaces 62 and third surfaces, and a fourth surface 63 and a fifth surface 64 located at both ends of the first surface 61 and parallel to each other. Among them, the first surface 61, the second surface 62 and the third surface are parallelograms. In this embodiment, the first surface 61, the second surface 62 and the third surface can be rectangular. The fourth surface 63 and the fifth surface 64 can be triangles.

[0122] The blank 60 of the prism 411 is cut, and the fourth surface 63 is cut along the dotted line L61 and the dotted line L62 to form a first side surface 4114. The first side surface 4114 includes a first plane 4114a and a second plane 4114b located in different planes. In this way, the fourth surface 63, which is originally a plane, is cut to form a first side surface 4114 with a curved shape.

[0123] In summary, the first edge 4111a is inclined, and the first plane 4114a and the second plane 4114b are inclined surfaces relative to the blank 60 of the prism 411. Specifically, the first edge 4111a is inclined relative to the edge of the first surface 61 connected to the fourth surface 63, and the first plane 4114a and the second plane 4114b are inclined surfaces relative to the fourth surface 63.

[0124] Please return to Fig.15 In this embodiment, the length of the first intersection line L1 is greater than the length of the third intersection line L3. Specifically, the length of the first intersection line L1 is greater than the length of the third intersection line L3, and in the arrangement direction of the first intersection line L1 and the third intersection line L3, the orthographic projection of the third intersection line L3 on the first intersection line L1 is located within the two ends of the first intersection line L1, and the first edge 4111a is connected between the first intersection line L1 and the third intersection line L3. In other words, the end of the first plane 4114a close to the first intersection line L1 is inclined toward the second side surface 4115 to the end of the first plane 4114a close to the third intersection line L3.

[0125] Correspondingly, the first surface 4125c of the carrier 412 is a curved surface adapted to the first side surface 4114, that is, the first surface 4125c is a shape that is concave from both sides to the center away from the first side surface 4114. After the prism 411 is assembled into the receiving groove 4121 of the carrier 412, the first side surface 4114 and the first surface 4125c are in contact with each other. Compared with the embodiment in which the first side surface 4114 and the first surface 4125c are both planes, the first side surface 4114 and the first surface 4125c of the present application are both curved surfaces, which increases the contact area between the prism 411 and the carrier 412, thereby increasing the bonding strength between the prism 411 and the carrier 412, so as to improve the reliability of the connection between the prism 411 and the carrier 412. In addition, the prism 411 and the carrier 412 can also limit the movement of the prism 411 relative to the prism 411 through their own structural characteristics, further improving the reliability of the connection between the prism 411 and the carrier 412.

[0126] Similarly, the light emitting surface 4112 intersects with the light reflecting surface 4113 and forms a fifth intersection line L5. The length of the first intersection line L1 is greater than the length of the fifth intersection line L5. In the arrangement direction of the first intersection line L1 and the fifth intersection line L5, the orthographic projection of the fifth intersection line L5 on the first intersection line L1 is located within the two ends of the first intersection line L1. The second edge 4112a is connected between the first intersection line L1 and the fifth intersection line L5.

[0127] In some embodiments, the third plane 4125a intersects with the fourth plane 4125b to form a fourth intersection line, the third plane 4125a has a fifth edge opposite to the fourth intersection line, and the fourth plane 4125b extends obliquely from the fourth intersection line to the fifth edge toward the prism 411.

[0128] See also Fig.18 , Fig.18 Schematic diagram of the structure of the prism 411 provided for some embodiments and some embodiments of the present application. In some embodiments, the first intersection line L1 has a first rounded structure R1, and the second intersection line L2 has a first rounded structure R1. The first rounded structure R1 can avoid stress concentration on the prism 411 at the first intersection line L1, and the structural strength of the prism 411 is enhanced by setting the first rounded structure R1. Similarly, the second rounded structure R2 can avoid stress concentration on the prism 411 at the second intersection, and the structural strength of the prism 411 is enhanced by setting the second rounded structure R2.

[0129] Correspondingly, a third rounded structure R3 corresponding to the second rounded structure R2 is also disposed in the carrier 412. Specifically, the third rounded structure R3 is disposed at the fourth intersection line. The prism 411 is assembled into the receiving groove 4121 of the carrier 412. The second rounded structure R2 and the third rounded structure R3 are disposed opposite to each other. An adhesive is disposed between the second rounded structure R2 and the third rounded structure R3. The second rounded structure R2 and the third rounded structure R3 are bonded by the adhesive.

[0130] See also Fig.19 , Fig.19 A schematic diagram of the structure of a carrier provided for some embodiments of the present application. In some embodiments, in order to improve the bonding strength between the prism 411 and the carrier 412, more adhesive is arranged between the carrier 412 and the prism 411. The first side wall has at least one first long groove 4127 and at least one second long groove 4128. When the number of the first long grooves 4127 is multiple, the multiple first long grooves 4127 are arranged in parallel and at intervals, and the first long grooves 4127 are provided with a first adhesive. When the number of the second long grooves 4128 is multiple, the multiple second long grooves 4128 are arranged in parallel and at intervals, and the second long grooves 4128 are provided with a second adhesive. Among them, the first long groove 4127 is arranged on the third plane 4125a, and the second long groove 4128 is arranged on the fourth plane 4125b.

[0131] In this way, the first long groove 4127 and the second long groove 4128 provide a larger accommodating space for the glue, and the volume of the glue between the prism 411 and the carrier 412 is increased, thereby enhancing the bonding strength between the prism 411 and the carrier 412, further improving the stability of the connection between the prism 411 and the carrier 412, and enhancing the user experience.

[0132] The extending direction of the length of the first long groove 4127 and the second long groove 4128 is described in detail below. After many experiments by the inventor, it is found that when the extending direction of the length of the rubber strip is perpendicular to the stress direction, the adhesive strength of the rubber strip is the largest. Based on this, the extending direction of the first long groove 4127 and the second long groove 4128 has two embodiments.

[0133] First, the length direction of the first long groove 4127 is perpendicular to the length direction of the second long groove 4128. In one embodiment, the length direction of the first long groove 4127 is perpendicular to the extension direction of the first edge 4111a, and the length extension direction of the second long groove 4128 is perpendicular to the extension direction of the second edge 4112a. In this way, when the electronic device 100 falls or collides, the stress of relative movement occurs between the prism 411 and the carrier 412, and the first adhesive in the first long groove 4127 can effectively avoid the risk of the prism 411 escaping from the first opening 4122, and the second adhesive in the second long groove 4128 can effectively avoid the risk of the prism 411 escaping from the second opening 4123. The bonding strength between the prism 411 and the carrier 412 is further improved, thereby improving the reliability of the connection between the prism 411 and the carrier 412.

[0134] second, Fig. 20 A schematic diagram of the structure of a carrier provided for some other embodiments of the present application. The first plane 4114a intersects with the second plane 4114b and forms a second intersection line L2, and the length direction of the first long groove 4127 and the length direction of the second long groove 4128 are both perpendicular to the second intersection line L2. From the above content, it can be seen that the first side surface 4114 is a curved surface, and the first side wall 4125 is a curved surface adapted to the first side surface 4114. In this way, the prism 411 and the carrier 412 can rely on their own structural characteristics to limit the movement of the prism 411 relative to the carrier 412, and only when the stress direction is parallel to the direction of the second intersection line L2, the prism 411 can be separated from the carrier 412. In this way, the length direction of the first long groove 4127 and the length direction of the second long groove 4128 are both perpendicular to the direction of the second intersection line L2, which can effectively resist the stress parallel to the second intersection line L2, and thus can effectively prevent the prism 411 from escaping from the carrier 412, further improving the reliability of the connection between the prism 411 and the carrier 412.

[0135] Furthermore, in the installation process of the prism 411 and the carrier 412, in order to facilitate the installation of the prism 411 in the carrier 412, the accommodating groove 4121 of the carrier 412 is larger than the volume of the prism 411, so as to reserve a certain gap for the installation of the prism 411, which is convenient for the installation of the prism 411. In order to achieve a high installation accuracy between the prism 411 and the carrier 412, first, the prism 411 is pre-installed in the carrier 412, and the prism 411 and the carrier 412 are accurately positioned, and then the prism 411 is fixed. The first long groove 4127 needs to penetrate the first side wall 4125 and the second side wall 4126 on one side of the first opening 4122, and the second long groove 4128 needs to penetrate the first side wall 4125 and the second side wall 4126 on one side of the second opening 4123. In this way, in the process of fixing the prism 411 , the prism 411 and the carrier 412 can be bonded together by injecting glue into the first long groove 4127 and the second long groove 4128 .

[0136] In summary, please refer to Fig.21 , Fig.21 Schematic diagram of the direction of the prism 411 provided in some embodiments of the present application when it is subjected to stress. After the prism 411 provided in the present application is installed in the carrier 412, it can only be disengaged from the direction of the second intersection line L2, which improves the stability of the connection between the prism 411 and the carrier 412. In order to highlight the beneficial effects of the present application, please refer to Fig. 22 , Fig. 22 The schematic diagram of the direction of the prism 411 in the prior art when it is subjected to stress. The side of the prism 411 is a plane, and the prism 411 can be separated from the carrier 412 in any direction when it is subjected to stress, and the fit between the prism 411 and the carrier 412 is unstable.

[0137] In some embodiments, see Fig.23 , Fig.23 Schematic diagram of the structure of the prism 411 provided in some embodiments of the present application. In order to improve the refraction efficiency of the prism 411 to light, a first light absorbing layer 4116 is provided on the first side surface 4114 and the second side surface 4115 to prevent the light incident from the light incident surface 4111 from being irradiated from the first side surface 4114 and the second side surface 4115, and to ensure that the light entering from the light incident surface 4111 is emitted from the light emitting surface 4112, thereby improving the refraction efficiency of the light.

[0138] It is understandable that the above content only schematically illustrates some components included in the periscope camera module 40, and the actual shape, actual size, actual position and actual structure of these components are not limited by the above content and the drawings. For example, in other embodiments, the periscope camera module 40 may also include a housing, or in other embodiments, the periscope camera module 40 may also include a filter 43.

[0139] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0140] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A prism assembly, characterized in that: include: A prism, wherein the prism comprises a light incident surface, a light emitting surface, a light reflecting surface, and a first side surface surrounded by the light incident surface, the light emitting surface, and the light reflecting surface, light incident from the light incident surface is reflected by the light reflecting surface and then emitted from the light emitting surface, and the first side surface is a curved surface; The carrier comprises a receiving groove, the prism is received in the receiving groove, the receiving groove has a first side wall, the first side wall is located on the side facing the first side surface, the first side wall has a first surface facing the first side surface, the first surface is a curved surface, and the first surface is adapted to the first side surface.

2. The prism assembly according to claim 1, characterized in that: The first side surface includes a first plane and a second plane, and the plane where the first plane is located intersects with the plane where the second plane is located; The first surface includes a third plane and a fourth plane, the plane where the third plane is located intersects with the plane where the fourth plane is located, the third plane faces the first plane, and the fourth plane faces the second plane.

3. The prism assembly according to claim 2, characterized in that: The plane where the light incident surface is located intersects with the plane where the light emitting surface is located and forms a first intersection line; The plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line, and the second intersection line is perpendicular to and intersects with the first intersection line.

4. The prism assembly according to claim 3, characterized in that: The plane where the light incident surface is located intersects with the plane where the light reflecting surface is located and forms a third intersection line; In the direction of the first intersection line, the distance from one end of the first plane close to the first intersection line to one end of the first plane close to the third intersection line is a first distance, and the first distance is greater than or equal to 0.8 mm and less than or equal to 1.5 mm.

5. The prism assembly according to any one of claims 2 to 4, characterized in that: A first angle is formed between the first plane and the second plane, an opening of the first angle faces a side of the first side away from the first surface, and the first angle is less than 180 degrees; A second angle is formed between the third plane and the fourth plane, the opening of the second angle faces the first side surface, and the first angle is less than 180 degrees.

6. The prism assembly according to any one of claims 3 to 5, characterized in that: The first intersection line has a first rounded corner structure, the second intersection line has a second rounded corner structure, and the first side wall has a third rounded corner structure opposite to the second rounded corner structure.

7. The prism assembly according to any one of claims 2 to 6, characterized in that: The first surface has at least one first long groove recessed away from the first side surface, a first adhesive is arranged in the first long groove, and the first adhesive is bonded between the inner surface of the first long groove and the first side surface.

8. The prism assembly according to claim 7, characterized in that: The plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line, the number of the first long grooves is multiple, and the multiple first long grooves are parallel and spaced apart along the direction of the second intersection line; The length direction of the first long groove is perpendicular to the second intersection line, a portion of the first long groove along the length direction is arranged on the third plane, and another portion of the first long groove along the length direction is arranged on the fourth plane.

9. The prism assembly according to claim 7, characterized in that: The first long groove is arranged on the third plane, and the first surface also has at least one second long groove recessed away from the first side surface. The second long groove is arranged on the fourth plane. A second adhesive material is arranged in the second long groove, and the second adhesive material is bonded between the inner surface of the second long groove and the first side surface. The length direction of the first long groove intersects with the length direction of the second long groove.

10. The prism assembly according to claim 9, characterized in that: There are a plurality of first long grooves, and the plurality of first long grooves are arranged in parallel and at intervals along a direction perpendicular to the length of the first long groove; There are multiple second long grooves, and the multiple second long grooves are parallel and spaced apart in a direction perpendicular to the length of the second long groove.

11. The prism assembly according to claim 9 or 10, characterized in that: The plane where the first plane is located intersects with the plane where the second plane is located and forms a second intersection line. The length direction of the first long groove is perpendicular to the length direction of the second long groove. The angular bisector between the first long groove and the second long groove is a first reference line. The first reference line is parallel to the second intersection line.

12. The prism assembly according to any one of claims 1 to 11, characterized in that: The first side surface is provided with a first light absorbing layer, and the light reflecting surface is provided with a second light absorbing layer.

13. The prism assembly according to any one of claims 1 to 12, characterized in that: The carrier includes a base and a second side wall opposite to the first side wall, and the base, the first side wall and the second side wall form the containing groove.

14. The prism assembly according to any one of claims 1 to 13, characterized in that: The prism further includes a second side surface surrounded by the light incident surface, the light emitting surface, and the light reflecting surface and opposite to the first side surface, wherein the second side surface is a curved surface; The carrier further includes a second side wall opposite to the first side wall, the second side wall has a second surface facing the second side surface, the second surface is a curved surface, and the second surface is matched with the second side surface.

15. The prism assembly according to claim 14, wherein: The first side surface and the second side surface are symmetrically arranged relative to a first reference surface, the light incident surface and the light emitting surface intersect and form a first intersection line, and the first reference surface passes through the midpoint of the first intersection line and is perpendicular to the light reflecting surface.

16. A periscope camera module, characterized in that: include: The prism assembly according to any one of claims 1 to 15; A lens group, wherein the lens group is located on the side toward which the light emitting surface faces; An image sensor is located on a side of the lens group away from the prism assembly.

17. An electronic device, characterized in that: include: A housing having a light-transmitting window; A periscope camera module, wherein the periscope camera module is the periscope camera module according to claim 16, wherein the periscope camera module is arranged in the shell, and the light incident surface of the prism assembly is opposite to the light-transmitting window.

Images