Prism module and electronic device

Abstract

The application provides a prism module and an electronic device, and relates to the field of lenses. The prism module comprises a prism module, a fixing frame and a support frame. The prism module comprises a first lens, a prism and a second lens which are sequentially bonded. The fixing frame comprises a fixing surface, a first side wall and a second side wall. The fixing surface is provided with at least a first opening and a second opening. The support frame is an integral structure comprising a first support surface, a second support surface, a first side surface and a second side surface which are respectively located on the two sides of the first support surface and the second support surface. The two sides of the prism are fixed with the first side surface and the second side surface of the support frame through a side glue layer. The first support surface is provided with a first support, and the second support surface is provided with a second support. The first support passes through the first opening of the fixing frame, and the second support passes through the second opening of the fixing frame. The structure of the prism module is more compact, the prism module can be prevented from displacement and deflection, and the light path precision and imaging effect of the prism module are ensured.

Description

Technical Field

[0001] This application relates to the field of lenses, and more specifically, to a prism module and an electronic device. Background Technology

[0002] With the development of optical technology and the market's size requirements for lens modules of electronic devices such as mobile phones, a single prism not only needs to change the light path, but also needs to have optical focal length. Ordinary periscope telephoto lenses can no longer meet the structural and functional requirements of mobile phones. Therefore, cemented prisms have gradually become the mainstream design of periscope structures today.

[0003] However, for cemented prisms, changes in the surface shape of the cemented and inclined surfaces of the prism after the lens is cemented to the prism usually affect the entire optical system. For example, when cementing the inclined surface of the prism to its support, a large area of ​​adhesive is usually required to ensure the stability of the bond. However, due to the large adhesive area, there is a pulling effect on the surface shape of the prism, causing it to change under the pulling force. This results in misalignment of optical elements, which affects the propagation of light (e.g., affecting optical transmission, refraction, and reflection paths), and thus affects the imaging effect. In addition, currently, the prism and its support are only fixed by adhesive, which can easily lead to displacement and skew of the prism module due to unstable support or fixation, which will also affect the imaging effect.

[0004] Therefore, there is an urgent need in this field for a prism module that can avoid misalignment of optical components and has a robust and compact structure to ensure optical path accuracy and imaging effect. Summary of the Invention

[0005] One aspect of this application provides a prism module, including a prism module, a fixing frame, and a support frame. The prism module includes a first lens, a prism, and a second lens bonded together sequentially. The fixing frame includes a fixing surface and a first sidewall and a second sidewall located on both sides of the fixing surface. The fixing surface has at least a first opening and a second opening. The support frame is an integrally formed structure, including a first support surface, a second support surface, and a first sidewall and a second sidewall located on both sides of the first support surface and the second support surface, respectively. The first support surface and the second support surface are connected by reinforcing ribs, the first support surface and the first sidewall are connected by a first bend, and the second support surface and the first sidewall are connected by a first bend. The second side is connected by a second bend; the two sides of the prism are fixed to the first side and the second side of the support frame respectively by a side adhesive layer. A first through hole is provided on the first support surface, and a second through hole is provided on the second support surface. The reflecting surface of the prism and the fixing surface of the fixing frame are located on the two sides of the first support surface and the second support surface of the support frame respectively, and are bonded by a front adhesive layer that penetrates the first through hole and the second through hole. A first bracket is provided on the first support surface, and a second bracket is provided on the second support surface. The first bracket passes through the first opening of the fixing frame, and the second bracket passes through the second opening of the fixing frame.

[0006] According to an embodiment of this application, the first sidewall and the second sidewall of the fixing frame are respectively provided with a first inclined surface and a second inclined surface in the direction toward the first lens, wherein a first overflow groove is provided on the first inclined surface and a second overflow groove is provided on the second inclined surface.

[0007] According to an embodiment of this application, a first receiving groove and a second receiving groove are provided on the fixing surface of the fixing frame, wherein the first receiving groove is located between the fixing surface of the fixing frame and the first side wall, and the second receiving groove is located between the fixing surface of the fixing frame and the second side wall, wherein the first receiving groove and the second receiving groove extend into a first guide groove and a second guide groove respectively along the edge direction of the fixing surface.

[0008] According to an embodiment of this application, a groove is provided on the back side of the fixing frame opposite to the fixing surface, wherein a magnet is provided in the groove.

[0009] According to an embodiment of this application, the fixing surface of the fixing frame is provided with a plurality of ventilation holes.

[0010] According to an embodiment of this application, the ends of the first side and the second side of the support frame are respectively provided with arc-shaped notches.

[0011] According to an embodiment of this application, the support frame is made of metal, wherein the first and second sides of the support frame are tightly fitted with the first and second side walls of the fixing frame after assembly.

[0012] According to an embodiment of this application, the support frame is further provided with a first transition surface and a second transition surface, wherein the first transition surface is disposed between the first support surface and the first bending portion, and the second transition surface is disposed between the second support surface and the second bending portion, wherein a first recessed surface is provided on the fixed surface at a position opposite to the first transition surface, and a second recessed surface is provided at a position opposite to the second transition surface.

[0013] According to an embodiment of this application, the support frame or the prism is provided with glue marking points.

[0014] According to an embodiment of this application, the first bent portion and the second bent portion of the support frame are respectively provided with notches on both sides.

[0015] Another aspect of this application provides an electronic device including a prism module provided in any embodiment of this application.

[0016] According to the technical solution of this application embodiment, on the one hand, the first lens, the second lens, and the prism are sequentially bonded together to form an integrated prism module, ensuring the coaxiality and relative angle of the three, avoiding misalignment of optical components, and improving the stability of optical transmission, refraction, reflection, and other optical path propagation; on the other hand, by clamping the support frame between the prism module and the fixing frame, the three are designed as a clamped whole, which increases the stability of the structure, reduces the number of parts, simplifies the assembly process, makes the prism module structure more compact, and further reduces the external influence on the prism module, preventing displacement and skew of the integrated prism module, and ensuring the optical path accuracy and imaging effect of the prism module. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments are briefly described below. Obviously, the following drawings only show some embodiments of this application; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0018] Figure 1 This paper shows a front-view perspective structural diagram of a prism module provided in at least one embodiment of this application; Figure 2 This paper shows a side-view perspective structural diagram of a prism module provided in at least one embodiment of this application; Figure 3An exploded view of a prism module provided in at least one embodiment of this application is shown; Figure 4 A schematic diagram of the specific structure of a support frame provided in at least one embodiment of this application; Figure 5 for Figure 4 An enlarged schematic diagram of the notch at point A (shown in dashed box); Figure 6 A schematic diagram of the specific structure of a fixing frame provided in at least one embodiment of this application; Figure 7 This is a schematic diagram of the back structure of a mounting bracket provided in at least one embodiment of this application. Detailed Implementation

[0019] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0020] It should be noted that in this specification, the terms "first," "second," etc., are used only to distinguish one feature from another and do not imply any limitation on the features. Therefore, without departing from the teachings of this application, the first lens discussed below may also be referred to as the second lens, and the second lens may also be referred to as the first lens.

[0021] In the accompanying drawings, the thickness, size, and shape of the lenses have been slightly exaggerated for ease of illustration. Specifically, the shapes of the spherical or aspherical surfaces shown in the drawings are illustrated by way of example. That is, the shapes of the spherical or aspherical surfaces are not limited to those shown in the drawings. The drawings are for illustrative purposes only and are not strictly to scale.

[0022] It should also be understood that the terms "comprising," "including," "having," "containing," and / or "comprising," when used in this specification, indicate the presence of the stated features, elements, and / or components, but do not exclude the presence or addition of one or more other features, elements, components, and / or combinations thereof. Furthermore, when expressions such as "at least one of..." appear after a list of listed features, they modify the entire list of features, not individual elements in the list. Additionally, when describing embodiments of this application, the word "may" is used to mean "one or more embodiments of this application." And the term "exemplary" is intended to refer to an example or illustration.

[0023] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms (e.g., those defined in common dictionaries) shall be interpreted as having a meaning consistent with their meaning in the context of the relevant art and shall not be interpreted in an idealized or overly formalized sense, unless expressly so specified herein.

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] The features, principles and other aspects of this application are described in detail below.

[0026] This application provides a prism module, which includes a prism module, a mounting bracket, and a support bracket. The prism module includes a first lens, a prism, and a second lens bonded together sequentially; the mounting frame includes a fixing surface and a first sidewall and a second sidewall located on both sides of the fixing surface, wherein the fixing surface has at least a first opening and a second opening; the support frame is an integrally formed structure, including a first support surface, a second support surface, and a first sidewall and a second sidewall located on both sides of the first support surface and the second support surface, wherein the first support surface and the second support surface are connected by reinforcing ribs, the first support surface and the first sidewall are connected by a first bend, and the second support surface and the second sidewall are connected by a second bend; the two sides of the prism are fixed to the first sidewall and the second sidewall of the support frame respectively by a side adhesive layer, the first support surface is provided with a first through hole, and the second support surface is provided with a second through hole, wherein the reflecting surface of the prism and the fixing surface of the mounting frame are located on both sides of the first support surface and the second support surface of the support frame respectively, and are bonded by a front adhesive layer passing through the first through hole and the second through hole; the first support surface is provided with a first bracket, and the second support surface is provided with a second bracket, wherein the first bracket passes through the first opening of the mounting frame, and the second bracket passes through the second opening of the mounting frame.

[0027] In another aspect, this application provides an electronic device that includes the prism module provided in any embodiment of this application.

[0028] The prism module provided in this application, on the one hand, sequentially bonds the first lens, the second lens, and the prism into an integrated prism module, ensuring the coaxiality and relative angle of the three, avoiding misalignment of optical components, and improving the stability of optical transmission, refraction, reflection, and other optical path propagation; on the other hand, by clamping the support frame between the prism module and the fixing frame, the three are designed as a clamped whole, increasing the structural stability, reducing the number of parts, simplifying the assembly process, making the prism module structure more compact, further reducing the external influence on the prism module, preventing displacement and skew of the integrated prism module, and ensuring the optical path accuracy and imaging effect of the prism module.

[0029] The embodiments of this application and some examples thereof are described in detail below with reference to the accompanying drawings.

[0030] Figure 1 This paper shows a front-view perspective structural diagram of a prism module 100 provided in at least one embodiment of this application; Figure 2 This paper shows a side perspective view of a prism module 100 provided in at least one embodiment of this application; Figure 3 An exploded view of a prism module 100 provided in at least one embodiment of this application is shown.

[0031] like Figure 1-3 As shown, the prism module 100 includes a prism module 110, a fixing frame 120, and a support frame 130. For example, the support frame 130 is clamped between the prism module 110 and the fixing frame 120 to support the prism module 110. The fixing frame 120 is used to fix the prism module 110 located on the support frame 130, and after assembly (e.g.) Figure 1-2 As shown in the figure, the three parts form a tightly clamped whole, making the structure of the prism module more compact and stable, thereby preventing the prism module 110 from shifting or tilting, and ensuring the optical path accuracy and imaging effect of the prism module.

[0032] like Figure 3 As shown, the prism module 110 includes a first lens 111, a prism 112, and a second lens 113 bonded together in sequence. For example, the first lens 111 and the second lens 113 are located on the incident surface and the exit surface of the prism 112, respectively. In this embodiment, by bonding the first lens 111 and the second lens 113 to the prism 112 into an integral structure, the prism 112 is also incorporated into the optical optimization. This not only allows the prism 112 to function as a deflector of the light path but also to bear the responsibility of optical power, controlling the overall structural length. At the same time, it ensures the coaxiality and relative angle of the first lens 111, the prism 112, and the second lens 113, avoiding misalignment of optical components and improving the stability of optical transmission, refraction, reflection, and other light path propagation.

[0033] Figure 4This is a schematic diagram of the specific structure of a support frame provided in at least one embodiment of this application.

[0034] like Figure 3 and Figure 4 As shown, the support frame 130 is an integrally formed structure, including a first support surface 131, a second support surface 132, and a first side surface 1311 and a second side surface 1321 located on both sides of the first support surface 131 and the second support surface 132, respectively.

[0035] In some examples, such as Figure 4 As shown, the first support surface 131 and the first side surface 1311 are connected by a first bend 1312, and the second support surface 132 and the second side surface 1321 are connected by a second bend 1322. In this embodiment, by providing corresponding bending structures between the first support surface 131, the second support surface 132, and the first side surface 1311 and the second side surface 1321, a strengthening and fixing effect on the support frame structure can be achieved.

[0036] like Figure 4 As shown, the first support surface 131 and the second support surface 132 are connected by a reinforcing rib 133 to provide support for the prism module 110 that is bonded and fixed thereon.

[0037] Figure 6 This is a schematic diagram of the specific structure of a fixing frame provided in at least one embodiment of this application.

[0038] like Figure 3 and Figure 6 As shown, the fixing frame 120 includes a fixing surface 121 and a first side wall 122 and a second side wall 123 located on both sides of the fixing surface 121, so as to fix the prism module 110 and the support frame 130 between the first side wall 122 and the second side wall 123, further avoiding displacement and skew of the prism module 110.

[0039] For example, such as Figure 3 As shown, the two sides of the prism 112 are fixed to the first side surface 1311 and the second side surface 1321 of the support frame 130 respectively by a side adhesive layer 114, so as to fix the prism 112 between the first side surface 1311 and the second side surface 1321 of the support frame 130. For example, as Figure 4 As shown, a first through hole 1313 is provided on the first support surface 131, and a second through hole 1323 is provided on the second support surface 132. The reflecting surface of the prism 112 and the fixing surface 121 of the fixing frame 120 are located on both sides of the first support surface 131 and the second support surface 132 of the support frame 130 (that is, the first support surface 131 and the second support surface 132 are located between the reflecting surface of the prism 112 and the fixing surface 121 of the fixing frame 120), and are bonded by the front adhesive layer 115 that penetrates the first through hole 1313 and the second through hole 1323.

[0040] In some examples, such as Figure 3 As shown, the side adhesive layer 114 is located on both sides of the prism 112, and the front adhesive layer 115 is located on the fixing surface 121. In other examples, the side adhesive layer 114 may also be located on the first side 1311 and the second side 1321 of the support frame 130, and the front adhesive layer 115 may also be located on the reflecting surface of the prism 112. The embodiments of this application do not limit this.

[0041] In the embodiments of this application, the two sides of the prism 112 are fixed to the first side surface 1311 and the second side surface 1321 of the support frame 130 through a large dispensing area (i.e., side adhesive layer 114). Simultaneously, the first side surface 1311 and the second side surface 1321 of the support frame 130 are tightly fitted to the first sidewall 122 and the second sidewall 123 on both sides of the fixing frame 120 (tight fit reduces assembly difficulty and improves assembly accuracy). The reflecting surface of the prism 112 and the fixing surface 121 of the fixing frame 120 are connected through a first through hole 1 through the support frame 130. 313 and the front adhesive layer 115 of the second through hole 1323 are bonded and fixed. In this way, the two sides and the reflective surface of the prism module 110 are fixed to the support frame 130 and the fixing frame 120 respectively by adhesive, thereby achieving a stable connection between the three. This avoids the pulling effect on the prism caused by the large area of ​​adhesive between the prism reflective surface and its bottom support. Therefore, this prism module can improve the pulling effect of adhesive on the prism, thereby improving the stress of the entire prism and keeping its surface shape change within a small range. This avoids the misalignment of optical components and ensures the imaging effect.

[0042] like Figure 3 and Figure 6 As shown, the fixing surface 121 is provided with at least a first opening 1211 and a second opening 1212; as Figure 3 and Figure 4 As shown, the first support surface 131 of the support frame 130 is provided with a first bracket 1314, and the second support surface 132 is provided with a second bracket 1324. For example, the first bracket 1314 passes through the first opening 1211 of the fixing frame 120, and the second bracket 1324 passes through the second opening 1212 of the fixing frame 120, so that when the support frame supports the prism module, it is clamped between the prism module and the fixing frame, thereby making the three form a compact whole.

[0043] For example, the first bracket 1314 and the second bracket 1324 of the support frame 130 have a certain angle with the first support surface 131 and the second support surface 132 of the support frame 130. This angle can be adjusted according to the requirements of the external mounting components, and the embodiments of this application do not limit this. During assembly, the first support surface 131 and the second support surface 132 of the support frame 130 are in contact with the fixing surface 121 of the fixing frame 120 and are pressed between the prism module 110 and the fixing frame 120. The prism module 110 and the fixing frame 120 are bonded and fixed through the first through hole 1313 and the second through hole 1323 provided thereon.

[0044] In the embodiments of this application, the prism module 110, the fixing frame 120 and the support frame 130 can be designed as a whole through the above structure, which reduces the number of parts, simplifies the assembly process, makes the structure of the prism module 100 more compact, and further prevents the integrated prism module 110 from shifting or tilting, ensuring the optical path accuracy and imaging effect of the prism module 100, and reducing the external influence on the prism module.

[0045] like Figure 3 and Figure 6 As shown, the first sidewall 122 of the mounting bracket 120 has a first inclined surface 1221 in the direction toward the first lens 111, and the second sidewall 123 of the mounting bracket 120 has a second inclined surface 1231 in the direction toward the first lens 111. For example, a first overflow groove 1241 is provided on the first inclined surface 1221, and a second overflow groove 1242 is provided on the second inclined surface 1231.

[0046] For example, in some examples, such as Figure 3 and Figure 6 As shown, the first overflow groove 1241 and the second overflow groove 1242 are multiple elongated grooves formed on the fixing frame 120 around the bonding surfaces of the prism 112 and the support frame 130. They are arranged in parallel on the first inclined surface 1221 and the second inclined surface 1231, respectively, to control the overflow of glue at the bonding surfaces (such as the side adhesive layer 114) of the prism 112 and the support frame 130. For example, excess glue during dispensing or pressing at the bonding surface corresponding to the first inclined surface 1221 can be guided into the first overflow groove 1241. Within 41, excess adhesive from dispensing or pressing at the bonding surface corresponding to the second inclined surface 1231 is directed into the second overflow groove 1242 to prevent the excess adhesive from overflowing onto the light-transmitting surface, reflective surface, or lens surface of the prism, thus affecting the imaging effect. At the same time, it can also prevent the overflow adhesive from forming protrusions, burrs, or adhesive threads after curing, so as to avoid them blocking the light path, generating stray light, or causing imaging defects. It can also keep the non-bonding area clean, reduce subsequent cleaning processes and defect rates, thereby playing the roles of adhesive control, pollution prevention, maintaining accuracy, and improving strength.

[0047] It should be noted that the number and shape of the first overflow groove 1241 and the second overflow groove 1242 are only schematic and can be determined according to the actual situation. The embodiments of this application do not limit this.

[0048] For example, the fixing surface 121 of the fixing frame 120 is also provided with a first receiving groove and a second receiving groove (not shown in the figure). The first receiving groove is located between the fixing surface 121 of the fixing frame 120 and the first side wall 122, and the second receiving groove is located between the fixing surface 121 of the fixing frame 120 and the second side wall 123.

[0049] like Figure 3 and Figure 6 As shown, the first receiving groove and the second receiving groove extend along the edge direction of the fixed surface 121 to form the first guide groove 1222 and the second guide groove 1232, respectively. For example, when there is too much glue on the side adhesive layer 114, the glue flowability can be used to treat the overflow in the first guide groove 1222 and the second guide groove 1232 as well as the first receiving groove and the second receiving groove.

[0050] In the embodiments of this application, by providing a first guide groove 1222 at the bottom of the first sidewall 122 and a second guide groove 1232 at the bottom of the second sidewall 123, excess adhesive (e.g., excess adhesive generated on both sides of the prism 112 and the first sidewall 1311 and the second sidewall 1321 of the support frame 130 during dispensing or pressing) can be guided to flow. For example, the amount of adhesive dispensed on the prism can be increased to guide the excess adhesive to flow downward to the first guide groove 1222 and the second guide groove 1232, thereby performing overflow treatment and avoiding reliability problems of the prism module.

[0051] Figure 7 This is a schematic diagram of the back structure of a mounting bracket provided in at least one embodiment of this application.

[0052] like Figure 7 As shown, a groove 125 is provided on the back side of the fixing frame 120 opposite to the fixing surface 121, and a magnet 1251 is provided in the groove 125 for magnetic connection with an external structure (e.g., a support frame). For example, as Figure 7As shown, the groove 125 and the magnet 1251 are positioned at corresponding locations between the first support surface 131 and the second support surface 132 of the support frame 130 when they are mounted on the fixed frame 120, to attract, pre-press, and position the support frame 130 and the fixed frame 120. In the embodiments of this application, by providing a magnet, a constant preload force can be provided, replacing components such as springs and screws, which allows for quick alignment and adsorption fixation during assembly while ensuring a more compact structure; at the same time, by replacing fixing components such as glue or screws, rework is facilitated, and the functions of suppressing gaps, reducing shaking, resisting vibration, preventing loosening, and preventing angle drift during long-term use are achieved.

[0053] like Figure 6 As shown, the fixing surface 121 of the fixing bracket 120 is also provided with a plurality of ventilation holes 126. For example, the ventilation holes 126 can be through holes with regular or irregular patterns such as circles, ellipses, and rectangles, and the embodiments of this application do not limit this. For example, as Figure 6 As shown, the vent 126 can be arranged in an arc shape (such as in a position opposite to the lens periphery) on the fixed surface 121 to balance the expansion / contraction of air inside the frame caused by temperature changes during lens baking of the prism module. This allows for rapid depressurization or pressure replenishment, preventing the formation of positive or negative pressure inside. At the same time, it can prevent problems such as prism micro-displacement, deformation, or warping of the bonding surface caused by air pressure differences, ensuring optical path stability and measurement accuracy.

[0054] It should be noted that the vent holes 126 can also be arranged in parallel or in other shapes, as long as they can achieve the function of depressurization or pressure replenishment. The embodiments of this application do not limit this.

[0055] like Figure 3 and Figure 4 As shown, the ends of the first side 1311 and the second side 1321 of the support frame 130 are respectively provided with arc-shaped notches 134 for adhesive overflow. For example, there may be multiple arc-shaped notches 134, which may be evenly or non-evenly arranged at the ends. The embodiments of this application do not limit this.

[0056] For example, to fix the two sides of the prism 112 to the first side 1311 and the second side 1321 of the support frame 130 respectively using the side adhesive layer 114, adhesive is applied to both sides of the prism 112. However, the amount of adhesive cannot be guaranteed to be completely consistent, so excess adhesive will overflow during application or pressing. In this embodiment, the arc-shaped notch 134 can be used to allow excess adhesive to overflow from both sides of the prism, ensuring that the adhesive does not overflow onto the optical surface of the prism.

[0057] For example, in some examples, the support frame 130 is made of metal, so that it can be magnetically connected to the fixing frame 120 by a magnet at the bottom of the fixing frame 120. For example, the metal material can be aluminum alloy, stainless steel, Invar, titanium alloy, etc., and the embodiments of this application are not limited thereto.

[0058] For example, the first side 1311 and the second side 1321 of the support frame 130 are tightly fitted with the first side wall 122 and the second side wall 123 of the fixing frame 120 after assembly. In this embodiment, both the support frame 130 and the fixing frame 120 are mass-produced standard parts with controllable errors. In addition, the tight fit between the side of the support frame 130 and the side wall of the fixing frame 120 can avoid problems such as deviation in the installation position of the support frame 130 after assembly, reduce assembly difficulty, improve assembly accuracy, and thus avoid problems such as skewness and vibration of the prism module.

[0059] like Figure 4 As shown, the support frame is also provided with a first transition surface 1351 and a second transition surface 1352. The first transition surface 1351 is located between the first support surface 131 and the first bending portion 1312, and the second transition surface 1352 is located between the second support surface 132 and the second bending portion 1322. A first recessed surface 1271 is provided on the fixed surface 121 at a position opposite to the first transition surface 1351, and a second recessed surface 1272 is provided at a position opposite to the second transition surface 1352. These recessed surfaces can be pre-reserved for adhesive application according to design requirements. If it is necessary to further strengthen the connection between the support frame and the fixed frame, adhesive application can be used for reinforcement at this location.

[0060] In this embodiment, by setting the first concave surface and the second concave surface as the spare glue dispensing area or glue overflow area of ​​the prism slope, the stability of the prism module can be further reinforced by dispensing glue here, so as to avoid the prism module loosening and the rear lens being off-center due to mechanical reliability problems (e.g., mechanical drop). It can also be used for the glue overflow area of ​​excess glue, thereby avoiding affecting the optical performance.

[0061] For example, adhesive marking points are provided on the support frame 130, the fixing frame 120, or the prism 112 to apply adhesive and achieve bonding. For instance, adhesive marking points can be provided on the two sides of the prism 112 and the fixing surface 121 of the fixing frame 120; alternatively, adhesive marking points can be provided on the first side 1311 and the second side 1321 of the support frame 130 and the reflecting surface of the prism 112, as long as bonding at corresponding positions can be achieved. The embodiments of this application do not limit this. Figure 6As shown, adhesive marking points 128 are provided on the fixing surface 121, and a front adhesive layer 115 is covered at the adhesive marking points 128 to achieve bonding between the fixing surface 121 and the reflective surface of the prism 112. For example, there can be multiple adhesive marking points, and their shape can be regular or irregular, such as circles, ellipses, and rectangles. The embodiments of this application do not limit this.

[0062] For example, the multiple glue marking points can be arranged in an array, or other uniform or non-uniform arrangements can be used. The embodiments of this application do not limit this.

[0063] In some examples, glue mark points can be identified by image acquisition devices such as cameras, and the coordinates, angles, and offsets of the current fixture, prism, or support can be calculated. This guides automated dispensing equipment such as robotic arms and platforms to accurately identify the dispensing position, thereby achieving automated dispensing. This reduces the difficulty of dispensing and enables precise control of the dispensing process.

[0064] For example, such as Figure 4 As shown in the dashed box A, notches are provided on both sides of the first bending portion 1312 and the second bending portion 1322. Figure 5 for Figure 4 An enlarged view of the notch at point A (shown in the dashed box). For example, as... Figure 5 As shown, the notch 136 can be an arc-shaped notch, and is respectively provided on both sides of the first bend 1312 and the second bend 1322. It should be noted that the notch 136 can also be a rectangular notch or other regular or irregular shaped notches, and the embodiments of this application do not limit this.

[0065] In this embodiment, the notch 136 facilitates machining and avoids stress concentration at corners, guiding stress concentration to other areas, which helps improve the stability of the structure. It can also guide excess adhesive from the side adhesive layer to the first recessed surface 1271 and the second recessed surface 1272 for overflow treatment.

[0066] It should be noted that, for clarity and brevity, this application does not show all the constituent units of the prism module. To achieve the necessary functions of the prism module, those skilled in the art can provide and set other constituent units (not shown) according to specific needs, and this application does not limit this.

[0067] The prism module provided in this application, on the one hand, sequentially bonds the first lens, the second lens, and the prism into an integrated prism module, ensuring the coaxiality and relative angles of the three, avoiding misalignment of optical components, and improving the stability of optical transmission, refraction, reflection, and other optical path propagation. On the other hand, by clamping the support frame between the prism module and the fixing frame, the three are designed as a tightly clamped whole, increasing the structural stability, reducing the number of parts, simplifying the assembly process, making the prism module structure more compact, and further reducing the external influence on the prism module, preventing displacement and skew of the integrated prism module, and ensuring the optical path accuracy and imaging effect of the prism module. In addition, by connecting the two sides of the prism to the support frame... The first and second sides are fixed by a large dispensing area (i.e., side adhesive layer 114). The reflective surface of the prism is bonded and fixed to the fixing surface of the bracket through the front adhesive layer 115 that penetrates the first and second through holes of the support bracket. In this way, the two sides and the reflective surface of the prism module are fixed to the bracket and the support bracket respectively by adhesive, thereby achieving a stable connection between the three. This avoids the pulling effect on the prism caused by the large area of ​​adhesive dispensing between the prism reflective surface and its bottom bracket. Therefore, this prism module can improve the pulling effect of adhesive on the prism, thereby improving the stress on the entire prism and keeping its surface shape change within a small range. This further avoids the misalignment of optical components and ensures the imaging effect.

[0068] Furthermore, this application also provides an electronic device that includes the prism module provided in any embodiment of this application. This electronic device is, for example, a mobile phone, which may include the prism module from the various embodiments described above.

[0069] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of protection involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the concept of this application. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A prism module, comprising a prism module, a fixing frame, and a support frame, characterized in that, The prism module includes a first lens, a prism, and a second lens that are sequentially bonded together. The fixing frame includes a fixing surface and a first sidewall and a second sidewall located on both sides of the fixing surface, wherein the fixing surface is provided with at least a first opening and a second opening; The support frame is an integrally formed structure, including a first support surface, a second support surface, and a first side surface and a second side surface located on both sides of the first support surface and the second support surface, respectively. The first support surface and the second support surface are connected by reinforcing ribs, the first support surface and the first side surface are connected by a first bending portion, and the second support surface and the second side surface are connected by a second bending portion. The two sides of the prism are fixed to the first side and the second side of the support frame respectively by a side adhesive layer. A first through hole is provided on the first support surface and a second through hole is provided on the second support surface. The reflecting surface of the prism and the fixing surface of the fixing frame are located on the two sides of the first support surface and the second support surface of the support frame respectively, and are bonded by a front adhesive layer that penetrates the first through hole and the second through hole. The first support surface is provided with a first bracket, and the second support surface is provided with a second bracket, wherein the first bracket passes through a first opening of the fixing frame, and the second bracket passes through a second opening of the fixing frame.

2. The prism module according to claim 1, characterized in that, The first sidewall and the second sidewall of the fixing frame are respectively provided with a first inclined surface and a second inclined surface in the direction toward the first lens, wherein a first overflow groove is provided on the first inclined surface and a second overflow groove is provided on the second inclined surface.

3. The prism module according to claim 1, characterized in that, The fixing surface of the fixing frame is provided with a first receiving groove and a second receiving groove, wherein the first receiving groove is located between the fixing surface of the fixing frame and the first side wall, and the second receiving groove is located between the fixing surface of the fixing frame and the second side wall. Wherein, the first receiving groove and the second receiving groove extend along the edge direction of the fixed surface to form a first guide groove and a second guide groove, respectively.

4. The prism module according to claim 1, characterized in that, A groove is provided on the back side of the fixing frame opposite to the fixing surface, and a magnet is provided in the groove.

5. The prism module according to claim 1, characterized in that, The mounting surface of the mounting bracket is provided with multiple ventilation holes.

6. The prism module according to claim 1, characterized in that, The ends of the first side and the second side of the support frame are respectively provided with arc-shaped notches.

7. The prism module according to claim 1, characterized in that, The support frame is made of metal, wherein the first and second sides of the support frame are tightly fitted with the first and second side walls of the fixed frame after assembly.

8. The prism module according to claim 1, characterized in that, The support frame is further provided with a first transition surface and a second transition surface, wherein the first transition surface is disposed between the first support surface and the first bent portion, and the second transition surface is disposed between the second support surface and the second bent portion. A first recessed surface is provided on the fixed surface at a position opposite to the first transition surface, and a second recessed surface is provided at a position opposite to the second transition surface.

9. The prism module according to claim 1, characterized in that, The support frame or the prism is provided with glue marking points.

10. The prism module according to claim 1, characterized in that, The first bend and the second bend of the support frame are respectively provided with notches on both sides.

11. An electronic device, characterized in that, Includes the prism module according to any one of claims 1-10.

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