WO2021249138A1

WO2021249138A1 - Optical lens, camera module and assembling method for optical lens

Info

Publication number: WO2021249138A1
Application number: PCT/CN2021/094575
Authority: WO
Inventors: 裴海鹏; 尹跃广; 周凯伦; 吴雨榕; 田中武彦
Original assignee: 宁波舜宇光电信息有限公司
Priority date: 2020-06-08
Filing date: 2021-05-19
Publication date: 2021-12-16
Also published as: CN113835278A; CN115698846A; CN113835278B

Abstract

An optical lens (10), comprising: a first optical lens (111), a second lens part (12) and a light shielding member (13). The second lens part (12) comprises a lens barrel (121) and at least one second optical lens (122) mounted in the lens barrel (121). The first optical lens (111) is disposed on the second lens part (12). The light shading member (13) is suspended and supported above the first optical lens (111) and covers a side surface of the first optical lens (111) and at least a part of an upper surface thereof. The light shading member (13) and the first optical lens (111) are configured independently of each other in structure, which may reduce the impact of the state change of the light shading member (13) on the state of the first optical lens (111). The present invention also relates to a camera module (100) comprising the optical lens (10) and a method for assembling the optical lens (10).

Description

Optical lens, camera module and optical lens assembly method

Technical field

This application relates to the field of optical lenses, and in particular to methods for assembling optical lenses, camera modules, and optical lenses.

Background technique

With the popularization of mobile electronic devices, related technologies of camera modules used in mobile electronic devices to help users obtain images (such as videos or images) have been rapidly developed and advanced. Especially with the development of smart phones, consumers have more and more diversified pursuits for shooting functions and higher and higher requirements for image quality, which poses more challenges to camera modules.

The optical lens is one of the core components of the camera module, and the performance optimization of the camera module is often accompanied by an increase in the optical lens. For example, with the development of camera modules in the direction of large apertures, wide angles, and high pixels, the number of lenses included in optical lenses has gradually increased, which has resulted in the structural design and optical design of optical lenses becoming more complicated. In order to meet this challenge, a split lens has gradually appeared on the market.

At present, most existing split lenses include two lens parts: a first lens part and a second lens part [for example, the split lens disclosed in the International Publication Patent (Patent No. WO2018126565A1) and the Chinese Patent (Patent No. CN108398760A)] , Wherein, the first lens part includes a first optical lens and a light shield combined with an edge area of the first optical lens, and the second lens part includes a lens barrel and at least one second optical lens installed in the lens barrel. Although the split lens of this configuration can meet the requirements of the camera module to a certain extent, it has encountered some problems in actual use.

Specifically, the existing light-shielding member is structurally integrated with the edge area of the first optical lens through an adhesive, so as to prevent stray light and regulate the light entrance aperture. However, in terms of spatial location (for example, when the camera module is installed in a smartphone), the light-shielding member is the outermost part (relative to the second lens part and the first optical lens), that is, the light-shielding member is the easiest Unexpected parts such as collisions.

It should be understood that once an inadvertent collision causes displacement or deformation of the shading member, it will directly affect the state (including position and shape, etc.) of the first optical lens, and thus affect the optical system configuration of the entire optical lens. That is to say, the structural design solution in which the shading member is integrated with the first optical lens reduces the reliability of the optical lens.

In addition, during actual use, it is found that the light-shielding member is easily detached from the first optical lens, that is, the bonding strength between the light-shielding member and the first optical lens is insufficient.

In addition, since the shading member and the first optical lens have an integrated structure, there is a higher requirement for the mounting accuracy between the shading member and the first optical lens. That is, the existing split lens is difficult to install.

Therefore, a more optimized split lens is needed.

Summary of the invention

An advantage of the present application is to provide an assembling method of an optical lens, a camera module, and an optical lens, wherein the shading member and the first optical lens are structurally independent of each other to reduce the damage of the shading member. The state change affects the state of the first optical lens.

Another advantage of the present application is to provide an assembling method of an optical lens, a camera module and an optical lens, wherein the shading member is suspended and mounted on the lens barrel of the second lens part, and the shading member and There is a certain gap between the upper surfaces of the first optical lens.

Another advantage of the present application is to provide a method for assembling an optical lens, a camera module, and an optical lens, wherein the shading member is firmly mounted on the lens of the second lens part through its geometrical size configuration and fastening structure. On the barrel to effectively prevent the shading member from falling off.

Another advantage of the present application is to provide an assembling method of an optical lens, a camera module and an optical lens, wherein the structural configuration of the shading member reduces the installation requirements of the shading member and improves the installation of the optical lens Simplicity.

Through the following description, other advantages and features of the present application will become obvious, and can be achieved by means and combinations particularly pointed out in the claims.

In order to achieve at least one objective or advantage described above, the present application provides an optical lens, which includes:

The first optical lens;

The second lens part includes a lens barrel and at least one second optical lens installed in the lens barrel, wherein the first optical lens is disposed on the second lens part; and

The shading member is suspended and supported above the first optical lens and covers at least a part of the side surface and the upper surface of the first optical lens.

In the optical lens according to the present application, there is a certain gap between the shading member and the upper surface of the first optical lens.

In the optical lens according to the present application, the size of the gap between the shading member and the upper surface of the first optical lens ranges from 5 μm to 10 μm.

In the optical lens according to the present application, the size of the gap between the shading member and the upper surface of the first optical lens gradually decreases from the edge of the first optical lens toward the middle region thereof.

In the optical lens according to the present application, the lens barrel includes a support stand formed on a side portion thereof, and the light shielding member is mounted on the support stand by a fastening structure.

In the optical lens according to the present application, the height of the support stand is lower than the height of the upper surface of the lens barrel.

In the optical lens according to the present application, the support stand is integrally formed on the side of the lens barrel.

In the optical lens according to the present application, the light-shielding member includes a support portion and a light-shielding portion, the support portion is mounted on the support stand by the fastening structure, and the light-shielding portion is upward and downward from the support portion. In such a manner, the shading member is suspended and supported above the first optical lens and the shading member covers at least a part of the side surface of the first optical lens and the upper surface thereof.

In the optical lens according to the present application, the distance between the inner surface of the support part and the outer surface of the first optical lens ranges from 60 μm to 800 μm.

In the optical lens according to the present application, the inner surface of the support portion includes a tight fitting surface that is attached to the side surface of the lens barrel, and the tight fitting surface is in the direction of the optical axis set by the optical lens The range of the length dimension is 80μm-130μm.

In the optical lens according to the present application, the length dimension of the tight fitting surface in the optical axis direction set by the optical lens ranges from 100 μm to 120 μm.

In the optical lens according to the present application, the inner side surface of the support portion further includes a margin surface extending upward from the tight fitting surface, and the margin surface is in the direction of the optical axis set by the optical lens. The length range is 4μm-10μm.

In the optical lens according to the present application, the transition between the inner side surface of the support part and the bottom surface thereof is chamfered.

In the optical lens according to the present application, the fitting gap between the tight fitting surface and the side surface of the lens barrel ranges from 5 μm to 10 μm.

In the optical lens according to the present application, the fastening structure includes an adhesive provided between the supporting table and the bottom surface of the supporting portion.

In the optical lens according to the present application, the lens barrel further includes a glue overflow groove formed at the transition between its side surface and the support platform.

In the optical lens according to the present application, the fastening structure includes at least one groove recessedly formed on the support platform and at least one protrusion protrudingly formed on the bottom surface of the support portion, so as to at least partially Through the cooperation between the at least one groove and the at least one protrusion, the support portion is fastened to the support platform.

In the optical lens according to the present application, the fastening structure includes at least one protrusion formed protrudingly on the supporting table and at least one recess formed on the bottom surface of the supporting portion to at least partially Through the cooperation between the at least one groove and the at least one protrusion, the support portion is fastened to the support platform.

In the optical lens according to the present application, the fastening structure further includes an adhesive provided between the supporting part and the supporting table.

In the optical lens according to the present application, the fastening structure includes a first threaded portion formed on the inner side surface of the support portion and a second threaded portion formed on the side surface of the lens barrel to at least partially pass through The cooperation between the first threaded portion and the second threaded portion attaches the shading member to the side surface of the lens barrel, and the fastening structure further includes a support provided on the support base and the support portion Adhesive between the bottom surface.

According to another aspect of the present application, the present application also provides a camera module, which includes:

The optical lens as described above; and

The photosensitive component, wherein the optical lens is held on the photosensitive path of the photosensitive component.

In the camera module according to the present application, the camera module further includes a driving element disposed between the optical lens and the photosensitive component, and the driving element is used to drive the optical lens to move.

According to another aspect of the present application, there is also provided an assembling method of an optical lens, which includes:

Providing a first optical lens and a second lens part, wherein the second lens part includes a lens barrel and at least one second optical lens installed in the lens barrel;

Pre-positioning the first optical lens, the second lens part and the photosensitive component, so that the first optical lens, the at least one second optical lens and the photosensitive component constitute an imaging system;

Adjusting the relative positional relationship between the first optical lens and the second lens part based on the imaging quality of the image collected by the imaging system;

In response to the imaging quality of the image collected by the imaging system meeting a preset requirement, fixing the relative positional relationship between the first optical lens and the second lens part; and

Install a shading member on the lens barrel of the second lens part so that the shading member is suspended and supported above the first optical lens and the shading member covers the first optical lens The side surface and at least a part of its upper surface.

In the assembling method according to the present application, before fixing the relative positional relationship between the first optical lens and the second lens part, the method further includes: on the upper surface of the lens barrel of the second lens part Coating an adhesive; and adhering the first optical lens to the upper surface of the lens barrel.

In the assembling method according to the present application, fixing the relative positional relationship between the first optical lens and the second lens part includes: curing the first optical lens and the upper surface of the lens barrel. Between the adhesives to fix the relative positional relationship between the first optical lens and the second lens part.

In the assembling method according to the present application, the lens barrel includes a supporting stand formed on a side portion thereof, and the lens barrel that installs a light shielding member on the second lens portion includes: coating an adhesive on the lens barrel A supporting stand; and, attaching the shading member to the adhesive so that the shading member is installed on the supporting table through the adhesive.

In the assembling method according to the present application, the lens barrel includes a support stand formed on its side, the bottom surface of the shading member is provided with at least one protrusion, and the upper surface of the support stand is provided with at least one groove , Wherein, the lens barrel for installing the shading element on the second lens part includes: at least one groove of the shading element protruding from the supporting platform.

In the assembling method according to the present application, the lens barrel includes a support stand formed on its side, the bottom surface of the shading member is provided with at least one groove, and the upper surface of the support stand is provided with at least one protrusion , Wherein the lens barrel where the shading member is installed on the second lens part includes: at least one protrusion that engages at least one groove of the shading member to the supporting table.

In the assembling method according to the present application, the lens barrel includes a support table formed on a side portion thereof, the inner side of the shading member is provided with a first threaded portion, and the side surface of the lens barrel is provided with a second threaded portion , Wherein the lens barrel for installing a shading element on the second lens part includes: coating an adhesive on the support stand; screwing the first threaded part of the shading element to the second lens barrel Threaded portion; and, attached to the bottom surface of the shading member in the adhesive.

Through the understanding of the following description and drawings, the further purposes and advantages of this application will be fully embodied.

These and other objectives, features and advantages of this application are fully embodied by the following detailed description, drawings and claims.

Description of the drawings

Through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings, the above and other objectives, features, and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the application, and constitute a part of the specification. Together with the embodiments of the application, they are used to explain the application, and do not constitute a limitation to the application. In the drawings, the same reference numerals generally represent the same components or steps.

Fig. 1 illustrates a schematic diagram of an optical lens according to an embodiment of the present application.

Fig. 2 illustrates an enlarged schematic diagram of the layout of the optical lens according to an embodiment of the present application.

FIG. 3 illustrates a partial enlarged schematic diagram of a modified implementation of the optical lens according to an embodiment of the present application.

Fig. 4 illustrates a partial enlarged schematic diagram of another modified implementation of the optical lens according to an embodiment of the present application.

FIG. 5 illustrates a partial enlarged schematic diagram of another modified implementation of the optical lens according to an embodiment of the present application.

Fig. 6 illustrates an assembly schematic diagram of the optical lens according to an embodiment of the present application.

Fig. 7 illustrates a schematic diagram of a camera module according to an embodiment of the present application.

detailed description

Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited by the example embodiments described herein.

Exemplary optical lens

As shown in FIG. 1, the optical lens according to the embodiment of the present application is illustrated, wherein the optical lens 10 is a split lens, which includes at least two lens parts. For ease of description, in the embodiment of the present application, the optical lens 10 includes two lens parts as an example, that is, the optical lens 10 includes a first lens part 11 and a second lens part 12 as an example. Of course, those of ordinary skill in the art should know that the optical lens 10 according to the embodiment of the present application may also include a larger number of lens parts, which is not limited by this application.

As shown in FIG. 1, in the embodiment of the present application, the first lens portion 11 includes a first optical lens 111, and the second lens portion 12 includes a lens barrel 121 and at least A second optical lens 122. More specifically, in the optical lens 10 as shown in FIG. 1, the first optical lens 111 is disposed on the upper surface of the lens barrel 121, for example, the first optical lens 111 is passed through an adhesive 141 Attached to the upper surface of the lens barrel 121, wherein the adhesive 141 may be an adhesive 141 suitable for curing by ultraviolet light; or an adhesive 141 suitable for curing by visible light irradiation; or an adhesive 141 suitable for curing by The adhesive 141 that is cured by heating; or the adhesive 141 that is suitable for curing through moisture contact, the selection of which is not limited by this application. Moreover, those of ordinary skill in the art should understand that in other examples of the present application, the first optical lens 111 may also be disposed at other positions of the second lens portion 12, for example, the first optical lens 111 It is arranged on the upper surface of the second optical lens 122 located on the top side, which is not limited by this application.

It should be understood that, in the embodiment of the present application, the first lens portion 11 is implemented as a “bare lens”, which only includes one piece of the first optical lens 111. The first optical lens 111 includes an optical zone that participates in optical imaging and a structural zone surrounding the optical zone. In the optical lens 10 as shown in FIG. 1, the adhesive 141 is disposed in the structural zone. Between the edge area of the lower surface of the lens barrel 121 and the upper surface of the lens barrel 121. In contrast, in the embodiment of the present application, the number of the second optical lens 122 is not limited by this application, and it can be 4, 5, 6, 7 or more.

In order to prevent stray light from passing through the first optical lens 111 to enter the interior of the optical lens, as shown in FIG. The light shielding member 13 is suspended and disposed above the first optical lens 111 and the light shielding member 13 shields the side surface of the first optical lens 111 and at least a part of the upper surface thereof. It should be particularly noted that, in the embodiment of the present application, there is a certain gap between the shading member 13 and the upper surface of the first optical lens 111, that is, the shading member 13 is suspended in the first optical lens. Above the upper surface of the lens 111. It should be understood that by suspending the shading member 13 above the first optical lens 111, it is possible to effectively reduce the impact of the state change of the shading member 13 on the state of the first optical lens 111. For example, when the shading member 13 is displaced or deformed due to external force, it will not directly affect the state of the first optical lens 111 (including its position and shape), that is, such a configuration The first optical lens 111 can be protected from being directly affected by external forces or indirectly affected by the shading member 13, so as to improve the reliability of the optical lens.

More specifically, in the embodiment of the present application, the size of the gap between the shading member 13 and the upper surface of the first optical lens 111 ranges from 5 μm to 10 μm. And, preferably, the size of the gap between the light shielding member 13 and the upper surface of the first optical lens 111 gradually decreases from the edge of the first optical lens 111 toward the middle region thereof, that is, the light shielding member The gap between 13 and the upper surface of the first optical lens 111 tends to decrease from the outside toward the optical axis direction set by the optical lens, so that the incidence from the top of the shading member 13 can be reduced to a large extent. Stray light.

Further, as shown in FIG. 2, in the embodiment of the present application, the light shielding member 13 includes a support portion 131 and a light shielding portion 132, and the support portion 131 is mounted on the first lens portion 11 through a fastening structure 14. In the lens barrel 121, the shading portion 132 extends upward and inward from the supporting portion 131. In this way, the shading member 13 is suspended and supported above the first optical lens 111 and The light shielding member 13 shields the side surface of the first optical lens 111 and at least a part of the upper surface thereof. In particular, in the embodiment of the present application, half of the cross-sectional shape of the shading member 13 is an "inverted L" shape, wherein the shading member 13 has a longitudinally extending portion and a transversely extending portion, and the longitudinally extending portion forms the support portion 131. The lateral portion and part of the longitudinally extending portion form the light shielding portion 132. As shown in FIG. 1, the light shielding portion 132 forms a larger space for accommodating the edge area of the first optical lens 111. In particular, in the embodiment of the present application, the inner surface of the supporting portion 131 and The distance between the outer surfaces of the first optical lens 111 ranges from 60 μm to 800 μm. Through such a positional configuration, the influence of the state change of the light shielding member 13 on the state of the first optical lens 111 can be further reduced. Influence.

It is worth mentioning that, in the embodiment of the present application, the supporting portion 131 and the shading portion 132 may be integrally formed by injection molding or other processes (that is, the shading member 13 is an integrally formed part); or The supporting part 131 and the light shielding part 132 are implemented as two independent parts and the light shielding member 13 is formed by assembly.

Further, in the embodiment of the present application, the shading member 13 is installed on the side of the lens barrel 121 through the fastening structure 14. As shown in FIG. 2, the lens barrel 121 includes a support stand 123 formed on its side, and the support portion 131 of the shading member 13 is mounted on the support stand 123 by a fastening structure 14. It should be understood that, in the embodiment of the present application, the supporting point of the shading member 13 completely depends on the supporting table 123 of the lens barrel 121, and the first optical lens 111 is due to the shading member 13 In terms of structural configuration, they are independent of each other and do not provide a focus point for the installation of the shading member 13. In particular, in the embodiment of the present application, the height of the support stand 123 is lower than the height of the upper surface of the lens barrel 121, so that when the support portion 131 of the shading member 13 is set on the support stand At 123 hours, the light-shielding portion 132 of the light-shielding member 13 can be more closely suspended on the upper surface of the first optical lens 111 to reduce the overall height of the optical lens 10. That is to say, in the embodiment of the present application, the position of the supporting table 123 is set so that the shading part 132 of the shading member 13 can be suspended on the upper surface of the first optical lens 111 and the shading part The gap between the 132 and the upper surface of the first optical lens 111 is relatively small, so as to achieve the effect of preventing stray light more effectively.

It is worth mentioning that in other examples of this application, the height of the support platform 123 can be set higher than or flush with the upper surface of the lens barrel 121, which is not limited by this application. In particular, when the height of the support stand 123 is flush with the upper surface of the lens barrel 121, the support stand 123 may be implemented as at least a part of the upper surface of the lens barrel 121. As shown in FIG. 1, in the embodiment of the present application, the supporting table 123 has an annular structure, which may be a supporting table 123 surrounding the side of the lens barrel 121, or a plurality of supporting tables 123 ( The components) are distributed on the side of the lens barrel 121 in a ring-shaped interval. In addition, in the embodiment of the present application, the support stand 123 may be integrally formed on the side of the lens barrel 121, or be installed on the side of the lens barrel 121 as a separate accessory. This application is limited.

In order for the shading member 13 to be stably installed on the supporting platform 123, in the embodiment of the present application, the shading member 13 has a specific geometrical configuration. Specifically, as shown in FIG. 2, the inner surface of the support portion 131 includes a tight fitting surface 133 that is attached to the side surface of the lens barrel 121, and the tight fitting surface 133 is provided on the optical lens 10 The length dimension in the predetermined optical axis direction is in the range of 80 μm-130 μm (further, the length dimension may be in the range of 100 μm-120 μm) so as to pass through the tight fitting surface 133 having a relatively long size, and the support portion The inner surface of 131 can be closely attached to the side surface of the lens barrel 121, so that the shading member 13 has a better anti-dropping effect, especially, preventing the shading member 13 from being affected by the direction perpendicular to the optical axis. Shedding caused by force. In particular, due to the limitation of manufacturing process precision and the requirement of preventing falling off, in the embodiment of the present application, the fitting gap between the tight fitting surface 133 and the side surface of the lens barrel 121 ranges from 5 μm to 10 μm.

Further, in the embodiment of the present application, the inner side surface of the supporting portion 131 further includes a margin surface 134 extending upward from the tight fitting surface 133, wherein the extending direction of the margin surface 134 is the same as that of the tight fitting surface 133. The extending direction of the matching surface 133 is the same. In some installation solutions, the tight-fitting surface 133 and the margin surface 134 can be fitly attached to the inner surface of the lens barrel 121 at the same time, so as to further enhance the bonding strength of the two and enhance the anti-dropping Effect. In the embodiment of the present application, the length dimension of the margin surface 134 in the optical axis direction set by the optical lens 10 is at least 4 μm. In some embodiments, the margin surface 134 is on the optical lens 10 The length dimension in the optical axis direction set at 10 can be set to be smaller, for example, 4 μm-10 μm.

Further, in the embodiment of the present application, the inner side surface of the supporting portion 131 and the bottom surface thereof transition through a chamfer. It should be understood that when the shading member 13 is installed on the supporting table 123, the chamfer can guide the installation of the shading member 13, so as to reduce the requirement for installation accuracy.

In order to further improve the bonding strength between the shading member 13 and the supporting table 123, in the embodiment of the present application, the optical lens 10 is further provided with a tight fitting between the supporting table 123 and the shading member 13固结构14. As shown in FIG. 1, in the embodiment of the present application, the fastening structure 14 includes an adhesive 141 arranged between the supporting table 123 and the bottom surface of the supporting portion 131. Taking into account the possible occurrence of glue overflow, the lens barrel 121 is further configured with a glue overflow groove 124 formed at the transition between its side surface and the supporting platform 123.

In summary, through the geometrical configuration of the shading member 13 and the fastening structure 14, the supporting portion 131 of the shading member 13 can be stably held on the supporting table 123, and at the same time, the shading member The light shielding portion 132 of 13 is suspended above the upper surface of the first optical lens 111 to shield the side surface of the first optical lens 111 and at least a part of the upper surface thereof. That is to say, in the embodiment of the present application, the supporting force point of the shading member 13 is completely dependent on the supporting stand 123 of the lens barrel 121, and the first optical lens 111 is due to the shading member 13 In terms of structural configuration, they are independent of each other and do not provide a focus point for the installation of the shading member 13. Such a structural configuration can protect the first optical lens 111 from being directly affected by external forces or indirectly affected by the shading member 13, so as to improve the reliability of the optical lens.

In order to further strengthen the bonding strength between the light shielding member 13 and the supporting platform 123, in other examples of the present application, the fastening structure 14 may further include other fastening and strengthening mechanisms. For example, in the modified implementation of the optical lens 10 as shown in FIG. 3, in addition to the adhesive 141, the fastening structure 14 further includes at least one protrusion 142 and a protrusion 142 protrudingly formed on the support platform 123 At least one groove 143 is recessedly formed on the bottom surface of the supporting portion 131, so as to at least partially pass the fit between the at least one groove 143 and the at least one protrusion 142, and the supporting portion 131 is covered by Fastened to the supporting platform 123. For another example, in another modified embodiment of the optical lens 10 as shown in FIG. 4, in addition to the adhesive 141, the fastening structure 14 includes at least one concave formed on the supporting table 123. The groove 143 and the at least one protrusion 142 protrudingly formed on the bottom surface of the support portion 131 so as to pass at least partially through the fit between the at least one groove 143 and the at least one protrusion 142, the support The part 131 is fastened to the support stand 123. For another example, in another modified embodiment of the optical lens 10 as shown in FIG. 5, in addition to the adhesive 141, the fastening structure 14 includes a first formed on the inner surface of the supporting portion 131 The threaded portion 142A and the second threaded portion 143A formed on the side surface of the lens barrel 121 to at least partially fix the shading member through the cooperation between the first threaded portion 142A and the second threaded portion 143A. 13 is attached to the side surface of the lens barrel 121. The above method can further strengthen the binding force between the shading member 13 and the lens barrel 121 and reduce the risk of the shading member 13 falling off.

Schematic camera module

According to another aspect of the present application, a camera module is also provided. FIG. 7 illustrates a schematic diagram of the camera module according to an embodiment of the present application. As shown in FIG. 7, the camera module 100 includes: a photosensitive component 10 and optical components held in a photosensitive path of the photosensitive component 10 Lens 10. Here, in the camera module 100 as shown in FIG. 7, the camera module 100 is implemented as a fixed-focus camera module, that is, the relative position between the optical lens 10 and the photosensitive component 10 The relationship remains constant.

Those of ordinary skill in the art should understand that, in the embodiment of the present application, the type of the camera module 100 is not limited by this application. For example, in other examples of the present application, the camera module 100 can also be implemented as a dynamic focus camera module, that is, the camera module 100 further includes the optical lens 10 and the photosensitive component 10 A driving element (not shown in the figure), wherein the driving original is used to carry and drive the optical lens 10 to move along the photosensitive path to change the relative relationship between the optical lens 10 and the photosensitive assembly 10 Positional relationship. For another example, the camera module 100 can also be implemented as an anti-shake camera module, that is, the camera module 100 further includes an anti-shake motor disposed on the optical lens 10 and the photosensitive assembly 10 to pass The anti-shake motor realizes the anti-shake function. For another example, the camera module 100 may also include components such as a prism to form a periscope camera module.

Schematic optical lens assembly method

According to another aspect of the present application, an assembling method of the optical lens 10 is also provided. FIG. 6 illustrates an assembly schematic diagram of the optical lens 10 according to an embodiment of the present application. As shown in FIG. 6, the assembly process of the optical lens 10 includes:

First, a first optical lens 111 and a second lens part 12 are provided, wherein the second lens part 12 includes a lens barrel 121 and at least one second optical lens 122 installed in the lens barrel 121;

Next, pre-position the first optical lens 111, the second lens portion 12, and the photosensitive component so that the first optical lens 111, the at least one second optical lens 122 and the photosensitive component constitute an imaging system ；

Then, based on the imaging quality of the image collected by the imaging system, the relative positional relationship between the first optical lens 111 and the second lens portion 12 is adjusted. For example, first obtain the image of the measured target through the imaging system; then, calculate the molding quality and adjustment amount of the optical lens 10 through image imaging quality calculation methods such as SFR, MTF, etc.; then, according to the adjustment amount in at least one direction (At least one direction refers to the xyz direction and the direction respectively rotating around the xyz axis) real-time adjustment of the relative positional relationship between the first optical lens 111 and the second lens part 12;

Furthermore, in response to the imaging quality of the image collected by the imaging system meeting a preset requirement, the relative positional relationship between the first optical lens 111 and the second lens portion 12 is fixed;

Then, install the shading member 13 on the lens barrel 121 of the second lens part 12, so that the shading member 13 is suspended and supported on the lens barrel 121 and the shading member 13 covers the first lens barrel 121. The side surface of an optical lens 111 and at least a part of its upper surface.

In the above assembly process, in an example, before fixing the relative positional relationship between the first optical lens 111 and the second lens part 12, it further includes: The upper surface of the lens barrel 121 is coated with an adhesive 141; and the first optical lens 111 is adhered to the upper surface of the lens barrel 121.

In the above assembly process, in one example, fixing the relative positional relationship between the first optical lens 111 and the second lens portion 12 includes: curing the first optical lens 111 and the mirror The adhesive 141 between the upper surface of the barrel 121 is used to fix the relative positional relationship between the first optical lens 111 and the second lens part 12.

In the above assembly process, in an example, the lens barrel 121 includes a support stand 123 formed on its side, wherein the lens barrel 121 where the shading member 13 is installed on the second lens part 12 includes: Coating an adhesive 141 on the supporting table 123; and attaching the shading member 13 to the adhesive 141, so that the shading member 13 is mounted on the supporting table 123 through the adhesive 141.

In the above assembly process, in one example, the lens barrel 121 includes a support stand 123 formed on its side, and the bottom surface of the shading member 13 is provided with at least one protrusion 142, and the upper surface of the support stand 123 The surface is provided with at least one groove 143, wherein the lens barrel 121 where the shading member 13 is installed on the second lens portion 12 includes: at least one protrusion 142 for engaging the shading member 13 on the support platform的At least one groove 143.

In the above assembly process, in one example, the lens barrel 121 includes a support stand 123 formed on its side, and the bottom surface of the shading member 13 is provided with at least one groove 143, and the upper surface of the support stand 123 The surface is provided with at least one protrusion 142, wherein the lens barrel 121 where the shading member 13 is installed on the second lens portion 12 includes: at least one groove 143 for engaging the shading member 13 on the support platform的At least one protrusion 142.

In the above assembly process, in one example, the lens barrel 121 includes a support stand 123 formed on its side, the inner side of the shading member 13 is provided with a first threaded portion 142A, and the side of the lens barrel 121 The surface is provided with a second threaded portion 143A, wherein the lens barrel 121 of the second lens portion 12 is installed with a shading member 13 including: coating an adhesive 141 on the supporting stand 123; screwing the shading member 13 to the second threaded portion 143A of the lens barrel 121; and, attached to the bottom surface of the shading member 13 to the adhesive 141.

In summary, the assembling method of the optical lens 10 based on the embodiment of the present application is clarified, which can prepare the above-mentioned optical lens 10 and its deformation implementation.

Those skilled in the art should understand that the above description and the embodiments of the present invention shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been completely and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the implementation of the present invention may have any deformation or modification.

Claims

An optical lens, characterized in that it comprises:

The first optical lens;

The second lens part includes a lens barrel and at least one second optical lens installed in the lens barrel, wherein the first optical lens is disposed on the second lens part; and

The shading member is suspended and supported above the first optical lens and covers at least a part of the side surface and the upper surface of the first optical lens.
4. The optical lens of claim 1, wherein a certain gap exists between the upper surface of the first optical lens and the shading member.
3. The optical lens according to claim 2, wherein the size of the gap between the upper surface of the first optical lens and the shading member ranges from 5 μm to 10 μm.
3. The optical lens according to claim 2, wherein the size of the gap between the upper surface of the first optical lens and the shading member gradually decreases from the edge of the first optical lens toward the middle area thereof.
The optical lens according to claim 1, wherein the lens barrel includes a support base formed on a side portion thereof, and the light shielding member is mounted on the support base through a fastening structure.
The optical lens according to claim 5, wherein the height of the support base is lower than the height of the upper surface of the lens barrel.
The optical lens according to claim 6, wherein the support stand is integrally formed on the side of the lens barrel.
The optical lens according to claim 5, wherein the light shielding member includes a support portion and a light shielding portion, the support portion is mounted on the support base through the fastening structure, and the light shielding portion is self-supporting from the support portion. Extending upward and inward, in this way, the shading member is suspended and supported above the first optical lens and the shading member covers the side surface of the first optical lens and the upper surface thereof. At least part of it.
8. The optical lens according to claim 8, wherein the distance between the inner surface of the support part and the outer surface of the first optical lens ranges from 60 μm to 800 μm.
The optical lens according to claim 8, wherein the inner surface of the support portion includes a tight fitting surface that is attached to the side surface of the lens barrel, and the tight fitting surface is set on the optical lens. The length dimension in the axial direction ranges from 80 μm to 130 μm.
The optical lens according to claim 10, wherein the length dimension of the tight-fitting surface in the direction of the optical axis set by the optical lens ranges from 100 μm to 120 μm.
The optical lens according to claim 10, wherein the inner surface of the support portion further comprises a margin surface extending upward from the tight fitting surface, the margin surface being located on the optical axis set by the optical lens The length dimension in the direction ranges from 4 μm to 10 μm.
10. The optical lens according to claim 10, wherein the transition between the inner side surface of the support portion and the bottom surface thereof is chamfered.
10. The optical lens of claim 10, wherein the fitting gap between the tight fitting surface and the side surface of the lens barrel ranges from 5 μm to 10 μm.
10. The optical lens according to claim 10, wherein the fastening structure includes an adhesive provided between the bottom surface of the supporting part and the supporting table.
The optical lens according to claim 12, wherein the lens barrel further comprises a glue overflow groove formed at a transition between its side surface and the supporting platform.
8. The optical lens according to claim 8, wherein the fastening structure includes at least one groove recessedly formed on the support platform and at least one protrusion protrudingly formed on the bottom surface of the support portion to At least partly through the fit between the at least one groove and the at least one protrusion, the support portion is fastened to the support platform.
8. The optical lens according to claim 8, wherein the fastening structure includes at least one protrusion formed protrudingly on the support platform and at least one recess formed on the bottom surface of the support portion to protrude. At least partly through the fit between the at least one groove and the at least one protrusion, the support portion is fastened to the support platform.
The optical lens according to claim 17 or 18, wherein the fastening structure further comprises an adhesive provided between the supporting part and the supporting table.
The optical lens according to claim 19, wherein the lens barrel further comprises a glue overflow groove formed at a transition between its side surface and the supporting platform.
The optical lens according to claim 8, wherein the fastening structure includes a first threaded portion formed on the inner surface of the support portion and a second threaded portion formed on the side surface of the lens barrel to at least The light shielding member is attached to the side surface of the lens barrel partly by the cooperation between the first threaded portion and the second threaded portion, and the fastening structure further includes a structure provided on the support platform and The adhesive between the bottom surface of the support part.
A camera module, characterized by comprising the optical lens according to any one of claims 1-21.
A method for assembling an optical lens, which is characterized in that it comprises:

Providing a first optical lens and a second lens part, wherein the second lens part includes a lens barrel and at least one second optical lens installed in the lens barrel;

Pre-positioning the first optical lens, the second lens part, and the photosensitive component, so that the first optical lens, the at least one second optical lens, and the photosensitive component constitute an imaging system;

Adjusting the relative positional relationship between the first optical lens and the second lens part based on the imaging quality of the image collected by the imaging system;

In response to the imaging quality of the image collected by the imaging system meeting a preset requirement, fixing the relative positional relationship between the first optical lens and the second lens part; and

Install a shading member on the lens barrel of the second lens part so that the shading member is suspended and supported above the first optical lens and the shading member covers the first optical lens The side surface and at least a part of its upper surface.
The method of assembling an optical lens according to claim 23, wherein before fixing the relative positional relationship between the first optical lens and the second lens part, the method further comprises:

Coating an adhesive on the upper surface of the lens barrel of the second lens part; and

The first optical lens is adhered to the upper surface of the lens barrel.
The method for assembling an optical lens according to claim 24, wherein fixing the relative positional relationship between the first optical lens and the second lens part comprises:

The adhesive provided between the upper surface of the lens barrel and the first optical lens is cured to fix the relative positional relationship between the first optical lens and the second lens part.
22. The method of assembling an optical lens according to claim 23, wherein the lens barrel includes a supporting stand formed on a side portion thereof, and wherein the lens barrel for installing a light shielding member on the second lens portion includes:

Apply an adhesive to the support table; and

The light-shielding member is attached to the adhesive, so that the light-shielding member is installed on the supporting platform through the adhesive.
The method for assembling an optical lens according to claim 23, wherein the lens barrel includes a support stand formed on its side, the bottom surface of the shading member is provided with at least one protrusion, and the upper surface of the support stand At least one groove is provided, wherein the lens barrel where the light shielding member is installed on the second lens part includes:

At least one protrusion of the shading member is engaged with at least one groove of the supporting table.
22. The method of assembling an optical lens according to claim 23, wherein the lens barrel includes a support stand formed on its side, the bottom surface of the shading member is provided with at least one groove, and the upper surface of the support stand At least one protrusion is provided, wherein the lens barrel where the light shielding member is installed on the second lens part includes:

At least one groove of the shading member is engaged with at least one protrusion of the supporting table.
The method of assembling an optical lens according to claim 23, wherein the lens barrel includes a support table formed on a side portion thereof, the inner side of the shading member is provided with a first threaded portion, and the side surface of the lens barrel A second threaded portion is provided, wherein the lens barrel for installing a light shielding member on the second lens part includes:

Coating an adhesive on the support table;

Screwing the first threaded portion of the shading member to the second threaded portion of the lens barrel; and

Attach the bottom surface of the shading member to the adhesive.