CN211263915U - Imaging lens and electronic device - Google Patents

Abstract

The application discloses imaging lens and electron device includes: the light-transmitting component defines a light path axis, external light penetrates through the light-transmitting component along the extending direction of the light path axis, and the light-transmitting component comprises an accommodating groove extending around the light path axis; the shading sheet is used for shading stray light in the light-transmitting component and provided with a first light-transmitting hole, the light path axis penetrates through the first light-transmitting hole, and the shading sheet is embedded in the accommodating groove. The anti-dazzling screen sets up in light-transmitting component's holding tank, can reduce the accumulative total tolerance that leads to by stacking of a plurality of subassemblies between the light path axis, improves the imaging performance, and the existence of holding tank also can play the fixed action to the anti-dazzling screen simultaneously, prevents that the anti-dazzling screen from taking place the skew in the equipment process, influencing imaging quality.

Description

Imaging lens and electronic device

technical field

The present application relates to the field of imaging technology, and in particular, to an imaging lens and an electronic device.

Background technique

In recent years, with the development of multimedia technology, the use of imaging lenses has become more and more extensive, and imaging lenses are provided in portable electronic products such as digital cameras, video cameras, and mobile phones. In the process of pursuing higher shooting quality, in order to block the stray light passing through the non-optical imaging area of the lens, a shading sheet is usually set between the lens barrel and the lens, between the lens and the lens, or between the lens and the spacer ring, so as to prevent the stray light from passing through the non-optical imaging area of the lens. The light beams passing through the optic zone of each lens are cooperatively imaged.

However, during the assembly process of the imaging lens, setting the light shielding sheet will introduce thickness tolerances of multiple components, which will affect the performance of the imaging lens, such as field curvature, which will affect the imaging quality.

Utility model content

The present application provides an imaging lens and an electronic device, which can reduce the cumulative tolerance caused by the stacking of multiple components between optical path axes and improve imaging performance.

According to an aspect of the present application, an imaging lens is provided, comprising:

The light-transmitting component defines an optical path axis, the external light passes through the light-transmitting component along the extending direction of the optical path axis, and the light-transmitting component includes a receiving groove extending around the optical path axis;

a light-shielding sheet for shielding stray light in the light-transmitting component, the light-shielding sheet has a first light-transmitting hole, the optical path axis passes through the first light-transmitting hole, and the light-shielding sheet is embedded in the receiving groove. The design can reduce the cumulative tolerance caused by the stacking of multiple components between the axes of the optical path, improve imaging performance, and at the same time, the existence of the accommodating groove can also play a role in fixing the shading sheet, preventing the shading sheet from shifting during the assembly process. , affecting the image quality.

According to some embodiments, along a direction parallel to the optical path axis, the depth dimension of the receiving groove is greater than or equal to the thickness dimension of the light shielding sheet. This design avoids that the depth of the accommodating groove is insufficient so that the light shielding sheet is higher than the surface of the accommodating groove, which will affect the assembly of other components.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with a ring-shaped fixing portion, and the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity;

The fixing portion has a second light-transmitting hole, the axis of the optical path passes through the second light-transmitting hole, and the accommodating groove is arranged on the surface of the fixing portion facing the object side of the lens. In this design, the accommodating groove is opened on the surface of the fixed part facing the object side of the lens, and the shading sheet is set on the fixed part of the lens barrel, so as to avoid the structure of the lens being damaged by the groove on the lens, and the performance of the lens will not be affected; at the same time, The cumulative tolerance caused by the stacking of the lens barrel with other components provided on the surface of the fixing portion facing the object side of the lens is reduced.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through. The accommodating cavity is provided with a ring-shaped fixing portion. The fixing portion extends from the inner peripheral wall of the lens barrel to the accommodating cavity. The fixing portion has a second light-transmitting hole through which the optical path axis passes through. the second light-transmitting hole;

The first lens is attached to the surface of the fixed part facing the object side of the lens, the optical path axis passes through the first lens, and the accommodating groove is arranged on the surface of the first lens facing the fixed part. In this design, the accommodating groove is opened on the surface of the first lens facing the fixed part, which is convenient for the processing of the accommodating groove, and the shading sheet is arranged between the fixed part of the lens barrel and the first lens. The thickness tolerance introduced by the inter-shading sheet.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through. The accommodating cavity is provided with a ring-shaped fixing portion. The fixing portion extends from the inner peripheral wall of the lens barrel to the accommodating cavity. The fixing portion has a second light-transmitting hole through which the optical path axis passes through. the second light-transmitting hole;

The first lens is attached to the surface of the fixed part facing the object side of the lens, the optical path axis passes through the first lens, and the accommodating groove is arranged on the surface of the first lens away from the fixed part. In this design, the accommodating groove is opened on the surface of the first lens facing away from the fixed part, and the shading sheet is arranged on the first lens, which facilitates the processing of the accommodating groove and the assembly of the shading sheet; Cumulative tolerance caused by stacking of other components on the surface of the first lens facing away from the fixing portion.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through, and an annular fixing portion is arranged in the accommodating cavity. The fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a second light-transmitting hole, and the optical path axis passes through the first light-transmitting hole. Two light-transmitting holes;

The first lens is attached to the surface of the fixed part facing the object side of the lens, and the optical path axis passes through the first lens;

a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole;

The second lens is attached to the surface of the spacer ring facing away from the first lens, and the optical path axis passes through the second lens;

Wherein, the accommodating groove is arranged on the surface of the spacer ring facing the first lens. In this design, the accommodating groove is opened on the surface of the spacer ring facing the first lens, and the shading sheet is arranged between the first lens and the spacer ring, which avoids notching the lens barrel and the lens and affects the overall processing of the imaging lens. In order to affect the performance of the imaging lens, the processing of the accommodating groove and the assembly of the shading sheet are facilitated; at the same time, the design reduces the cumulative tolerance caused by the stacking of the shading sheet between the first lens and the spacer ring.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through, and an annular fixing portion is arranged in the accommodating cavity. The fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a second light-transmitting hole, and the optical path axis passes through the first light-transmitting hole. Two light-transmitting holes;

The first lens is attached to the surface of the fixed part facing the object side of the lens, and the optical path axis passes through the first lens;

a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole;

The second lens is attached to the surface of the spacer ring facing away from the first lens, and the optical path axis passes through the second lens;

Wherein, the accommodating groove is arranged on the surface of the spacer ring facing away from the first lens. In this design, the accommodating groove is opened on the surface of the spacer ring facing away from the first lens, and the shading sheet is arranged on the spacer ring, so as to avoid the groove on the lens barrel and the lens, which will affect the overall processing of the imaging lens, and avoid affecting the overall processing of the imaging lens. The performance facilitates the processing of the receiving groove and the assembly of the light shield; at the same time, the design reduces the cumulative tolerance caused by the stacking of the spacer ring and other components disposed on the surface of the spacer ring facing away from the first lens.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through, and an annular fixing portion is arranged in the accommodating cavity. The fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a second light-transmitting hole, and the optical path axis passes through the first light-transmitting hole. Two light-transmitting holes;

The first lens is attached to the surface of the fixed part facing the object side of the lens, and the optical path axis passes through the first lens;

a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole;

The second lens is attached to the surface of the spacer ring facing away from the first lens, the optical path axis passes through the second lens, and the accommodating groove is arranged on the surface of the second lens facing the spacer ring. In this design, the accommodating groove is opened on the surface of the second lens facing the spacer ring, which is convenient for the processing of the accommodating groove, and the shading sheet is arranged between the spacer ring and the second lens, and this design reduces the shading between the spacer ring and the second lens. The thickness tolerance introduced by the sheet.

According to some embodiments, the light-transmitting component includes:

The lens barrel defines an accommodating cavity with two ends passing through, and an annular fixing portion is arranged in the accommodating cavity. The fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a second light-transmitting hole, and the optical path axis passes through the first light-transmitting hole. Two light-transmitting holes;

The first lens is attached to the surface of the fixed part facing the object side of the lens, and the optical path axis passes through the first lens;

a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole;

The second lens is attached to the surface of the spacer ring away from the first lens, the optical path axis passes through the second lens, and the receiving groove is arranged on the surface of the second lens away from the spacer ring. In this design, the accommodating groove is opened on the surface of the second lens away from the spacer ring, which is convenient for the processing of the accommodating groove, and the light-shielding plate is arranged on the second lens, and the design reduces the distance between the second lens and the second lens. Cumulative tolerance due to stacking between other components of the surface of the ring.

According to some embodiments, the light shield includes an annular portion and a protruding portion;

The annular portion defines a first light-transmitting hole, and the outer edge of the annular portion extends away from the center to form a protruding portion. In this design, the annular part is used to achieve the shading effect, and the existence of the protruding part can facilitate the connection and fixation of the shading sheet.

According to some embodiments, the accommodating groove includes a limiting groove for accommodating the protrusion. The design can reduce the area of the accommodating groove while fixing the shading sheet, and reduce the degree of grooving the surface of the component where the accommodating groove is located, so as to avoid affecting the performance of the component.

According to some embodiments, the accommodating groove includes an annular groove and a limiting groove;

The annular groove is used for accommodating the annular portion, and the outer edge of the annular groove extends in a direction away from the center to form a limiting groove, and the limiting groove is used for accommodating the protruding portion. In this design, the shading sheet placed in the annular groove is not squeezed, so as to prevent the shading sheet from being depressed under pressure and affecting the normal use of the shading sheet.

According to some embodiments, the number of the protrusions is plural, and the plurality of protrusions are distributed in a circular array around the center of the annular portion;

The number of the limiting grooves is multiple, and the plurality of protruding parts are embedded in the multiple limiting grooves in one-to-one correspondence. The design can fix the shading sheet more tightly and increase the strength of the shading sheet.

According to another aspect of the present application, an electronic device is also provided, comprising:

An imaging lens as described in any of the above. In this design, the thickness tolerance of the shading sheet of the imaging lens of the electronic device is eliminated, and the imaging quality is better.

The application provides an imaging lens and an electronic device. A light-transmitting component of the imaging lens is provided with a receiving groove, and a light-shielding sheet of the imaging lens is used to limit the light passing through the light-transmitting component. It is directly sandwiched between two parts of the light-transmitting component, but is arranged in the accommodating groove of the light-transmitting component, which can reduce the cumulative tolerance caused by the stacking of multiple components between the optical path axes, improve imaging performance, and at the same time The existence of the accommodating groove can also play a role in fixing the shading sheet, preventing the shading sheet from shifting during the assembly process and affecting the imaging quality.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic front view of the structure of an imaging lens in the related art;

Fig. 2 is A-A in Fig. 1 sectional view;

Fig. 3 is a partial enlarged view of the position of the shading sheet in Fig. 2;

4 is a structural cross-sectional view of a lens barrel in an embodiment of the application;

FIG. 5 is a schematic structural diagram of the imaging lens according to the first embodiment of the present application;

6 is a schematic structural diagram of an imaging lens according to a second embodiment of the present application;

7 is a schematic structural diagram of an imaging lens according to a third embodiment of the present application;

8 is a schematic structural diagram of an imaging lens according to a fourth embodiment of the present application;

FIG. 9 is an A-A cross-sectional view of an imaging lens in an embodiment of the present application;

Fig. 10 is a partial enlarged view of the position of the shading sheet in Fig. 9;

FIG. 11 is a structural block diagram of an electronic device in an embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

Please refer to FIG. 1 to FIG. 3 , because in the imaging lens 10 in the prior art, in order to block the stray light passing through the non-optical imaging area of the lens, and make the light beams passing through the optical area of each lens cooperate with each other for imaging, usually The shading sheet 200 is arranged between the lens barrel and the lens, between the lens and the lens, or between the lens and the spacer ring, and the shading sheet 200 is directly sandwiched between the two components. During the assembly process of the imaging lens 10, this will The cumulative tolerance caused by the stacking of multiple components is introduced into the imaging lens 10 , which affects the performance of the imaging lens 10 , such as the occurrence of field curvature, which affects the imaging quality.

Please refer to FIG. 4 to FIG. 11. In order to solve the above technical problems, the present application proposes an imaging lens 10 and an electronic device 1. A light-transmitting component 100 of the imaging lens 10 is provided with a receiving groove 110, and the light-transmitting component 100 defines an optical path axis. 101. The light-shielding sheet 200 of the imaging lens 10 is used to block the stray light in the light-transmitting assembly 100. The light-shielding sheet 200 is arranged in the accommodating groove 110, and the light-shielding sheet 200 is not directly sandwiched between the two parts of the light-transmitting assembly 100. Instead, it is arranged in the accommodating groove 110 of the light-transmitting component 100, which can reduce the cumulative tolerance caused by the stacking of multiple components between the optical path axes 101 and improve the imaging performance. At the same time, the existence of the accommodating groove 110 can also shield light The sheet 200 plays a fixing role to prevent the light-shielding sheet 200 from shifting during the assembly process, which affects the imaging quality.

The imaging lens 10 provided by the embodiment of the present application includes a light-transmitting component 100 and a light-shielding sheet 200 . The light-transmitting component 100 is a combination of components in the imaging lens 10 that allow light to pass through, and may include one or more components such as a lens barrel 120 , a lens, and a spacer ring 140 . The light-transmitting component 100 defines an optical path axis 101, and external light passes through the light-transmitting component 100 along the extending direction of the optical path axis 101. The optical path axis 101 is a theoretical central axis of each component in the light-transmitting component 100, and its position varies with The shape and position of the light-transmitting component 100 vary.

Wherein, the light-transmitting component 100 includes an accommodating groove 110 extending around the optical path axis 101, and a certain component of the light-transmitting component 100 is formed with an accommodating groove 110 extending around the optical path axis 101, and the shape of the accommodating groove 110 may be a ring, a polygon or other regular Graphics and even irregular graphics are not limited here. The accommodating groove 110 extends around the optical path axis 101 , and the plane where the accommodating groove 110 is located may be perpendicular to the optical path axis 101 , or may form a certain angle with the optical path axis 101 , which is not limited here.

The light-transmitting component 100 further includes a light-shielding sheet 200, which is embedded in the receiving groove 110. The light-shielding sheet 200 can filter and process the light passing through it, and block stray light, thereby restricting the light passing through the light-transmitting component 100. 200 may be a sheet-like or layered structure.

The light-shielding sheet 200 has a first light-transmitting hole 210 , the optical path axis 101 passes through the first light-transmitting hole 210 , the first light-transmitting hole 210 is a light-transmitting part, and the light passing through the first light-transmitting hole 210 is the light-transmitting component 100 Useful light required for imaging. The body of the light-shielding sheet 200 is an opaque part, which is used to filter the stray light that affects the imaging of the light-transmitting component 100 . There is no transmission of light, no reflections and no large flares and reflections. The surface of the light-shielding sheet 200 can also be set as a rough surface, such as setting a plurality of uneven lines or using a frosted material to make it, thereby improving the surface roughness, thereby forming diffuse reflection of the stray light irradiated on the surface to avoid stray light. The reflection concentration forms the glare phenomenon and affects the imaging. The surface of the light-shielding sheet 200 can also be provided with a sticky layer, such as a sticky film, to absorb the dust particles passing through the light-shielding sheet 200, so as to prevent the dust particles from scattering and blocking the light at the position of the first light-transmitting hole 210, so as to improve the light-transmitting component 100. Translucent effect.

It should be noted that the light passing through the light-transmitting component 100 may be limited by the light shielding sheet 200 , that is, the maximum amount of light entering through the light-transmitting component is determined by the size of the first light-transmitting hole 210 . Under the condition of a certain light intensity, the amount of incoming light is determined by the aperture of the light-transmitting hole. The aperture of the first light-transmitting hole 210 is smaller than the aperture of the original light-transmitting area of the light-transmitting component 100 . The light passing through the light-transmitting component 100 is restricted. The light passing through the light-transmitting component 100 can also be limited by other components in the light-transmitting component 100 .

The shading sheet 200 is embedded in the accommodating groove 110 . Specifically, the shading sheet 200 may be partially disposed in the accommodating groove 110 , or may be completely disposed in the accommodating groove 110 . In the direction parallel to the optical path axis 101, the surface area of the accommodating groove 110 may be smaller than the surface area of the light shielding sheet 200, that is, the outer periphery of the light shielding sheet 200 extends beyond the edge of the accommodating groove 110; the surface area of the accommodating groove 110 may also be greater than or equal to the light shielding sheet The surface area of 200 , that is, the outer circumference of the light shielding sheet 200 is completely accommodated in the accommodating groove 110 . In the direction perpendicular to the optical path axis 101, the thickness of the accommodating groove 110 may be smaller than the thickness of the light shielding sheet 200, that is, the light shielding sheet 200 protrudes from the boundary of the accommodating groove 110 in the thickness direction; the thickness of the accommodating groove 110 may also be greater than or It is equal to the thickness of the light shielding sheet 200 , that is, the light shielding sheet 200 is completely accommodated in the accommodating groove 110 in the thickness direction. The size and thickness relationship between the accommodating groove 110 and the light shielding sheet 200 can be adjusted according to the actual light transmission requirements of the light transmission component 100 .

The fixation between the light-shielding sheet 200 and the accommodating groove 110 can be realized only by the clamping action of the two parts of the light-transmitting component 100 that are directly connected with the light-shielding sheet 200 , or can be achieved on the surface of the accommodating groove 110 or on the light-shielding sheet 200 . It can also be realized by providing an adhesive material on the surface of the accommodating groove 110 and a corresponding fixed connection portion on the light shielding sheet 200 , which is not limited here.

In an embodiment of the present application, in order to minimize the thickness tolerance introduced by the light-shielding sheet 200 without affecting the performance of the imaging lens 10 , along the direction parallel to the optical path axis 101 , the accommodating groove 110 is The depth dimension is greater than or equal to the thickness dimension of the light shielding sheet 200 . At this time, the light-shielding sheet 200 is completely accommodated in the accommodating groove 110 in the thickness direction, the installation of the light-shielding sheet 200 will not introduce cumulative tolerances caused by stacking multiple components in the imaging lens 10, and the installation of the light-shielding sheet 200 will also The matching relationship between the two components directly connected with it will not be affected, the alignment error will not be caused, and the imaging quality of the imaging lens 10 will be better.

Referring to FIGS. 4 and 5 , in one embodiment of the present application, the light-transmitting component 100 includes a lens barrel 120 and a fixing portion 122 . The lens barrel 120 defines an accommodating cavity 121 with two ends passing through. The accommodating cavity 121 is provided with an annular fixing portion 122. The fixing portion 122 extends from the inner peripheral wall of the lens barrel 120 into the accommodating cavity 121. The fixing portion 122 has a second transparent portion. The light hole 123, the optical path axis 101 passes through the second light transmission hole 123. The accommodating groove 110 is provided on the surface of the fixing portion 122 facing the object side of the lens. As known to those skilled in the art, the object side of the lens is the side of the imaging lens 10 close to the object to be photographed, and the other side of the imaging lens 10 is the image side of the lens. As shown in FIGS. 5 to 8 , the light rays are irradiated from the right side of the imaging lens 10 (with the orientation of FIGS. 5 to 8 as reference) through the object side of the lens to the image side of the lens.

The lens barrel 120 is used to install and carry other components of the light-transmitting assembly 100 . Specifically, the lens barrel 120 defines a receiving cavity 121 with two ends passing through. The inner wall of the lens barrel 120 abuts against. The fixing portion 122 is used for holding against and fixing other components of the light-transmitting component 100 . The fixing portion 122 has a second light-transmitting hole 123 extending around the optical path axis 101 , that is, the optical path axis 101 passes through the second light-transmitting hole 123 for normal light transmission of the light-transmitting component 100 . The accommodating groove 110 is disposed on the surface of the fixing portion 122 facing the object side of the lens, the light-shielding sheet 200 is attached to the accommodating groove 110, and other components are stacked on the surface of the light-shielding sheet 200, so that the light-shielding sheet 200 can block stray light. It can also reduce the cumulative tolerance introduced by the shading sheet 200 and improve the imaging performance. At the same time, the existence of the accommodating groove 110 can also play a fixed role on the shading sheet 200, preventing the shading sheet 200 from shifting during the assembly process and affecting the imaging. quality.

In another embodiment of the present application, the light-transmitting component 100 includes a lens barrel 120 , a fixing portion 122 and a first lens 130 . The lens barrel 120 defines an accommodating cavity 121 with two ends passing through. The accommodating cavity 121 is provided with a ring-shaped fixing portion 122. The fixing portion 122 extends from the inner wall of the lens barrel 120 to the accommodating cavity 121. The fixing portion 122 has a second light-transmitting hole 123, and the optical path axis 101 passes through the second light-transmitting hole. 123. The first lens 130 is attached to the surface of the fixing portion 122 facing the object side of the lens, and the optical path axis 101 passes through the first lens 130. The accommodating groove 110 is disposed on the surface of the first lens 130 facing the fixing portion 122 .

The difference from the previous embodiment is that in this embodiment, a first lens 130 is attached to the fixing part 122 of the lens barrel 120 , a receiving groove 110 is provided on the surface of the first lens 130 facing the fixing part 122 , and a light shielding sheet is provided. 200 is attached to the first lens 130, and other components are stacked on the surface of the first lens 130 away from the fixing portion 122. The structure of the imaging lens 10 and the installation position of the shading sheet 200 are changed, which is suitable for different structural requirements. usage scenarios.

Referring to FIG. 6 , in this embodiment, without changing the structures of other components, the accommodating groove 110 can also be provided on the surface of the first lens 130 that is away from the fixing portion 122 . At this time, the surface of the first lens 130 facing the fixing portion 122 is directly attached to the fixing portion 122 , the light-shielding sheet 200 is attached to the surface of the first lens 130 away from the fixing portion 122 , and other elements are stacked on the surface of the light-shielding sheet 200 . part.

In yet another embodiment of the present application, the light-transmitting component 100 includes a lens barrel 120 , a fixing portion 122 , a first lens 130 , a spacer ring 140 and a second lens 150 . The lens barrel 120 defines an accommodating cavity 121 with two ends passing through. The accommodating cavity 121 is provided with a ring-shaped fixing portion 122. The fixing portion 122 extends from the inner wall of the lens barrel 120 to the accommodating cavity 121. The fixing portion 122 has a second light-transmitting hole 123, and the optical path axis 101 passes through the second light-transmitting hole. 123. The first lens 130 is attached to the surface of the fixing portion 122 facing the object side of the lens, and the optical path axis 101 passes through the first lens 130 . The spacer ring 140 is attached to the surface of the first lens 130 away from the fixing portion 122 , the spacer ring 140 has a third light-transmitting hole 141 , and the optical path axis 101 passes through the third light-transmitting hole 141 . The second lens 150 is attached to the surface of the spacer ring 140 facing away from the first lens 130 , and the optical path axis 101 passes through the second lens 150 . The accommodating groove 110 is disposed on the surface of the spacer ring 140 facing the first lens 130 .

The difference from the previous embodiment is that in this embodiment, a spacer ring 140 is attached to the surface of the first lens 130 away from the fixing portion 122 , and a second lens is attached to the surface of the spacer ring 140 away from the first lens 130 . Lens 150. The spacer ring 140 is disposed between the two mirrors, and is used to adjust the distance between the two mirrors so that the imaging lens 10 has different focal points, so as to achieve different imaging effects. The accommodating groove 110 is provided on the surface of the spacer ring 140 facing the first lens 130 , the light shielding sheet 200 is sandwiched between the first lens 130 and the spacer ring 140 , and other surfaces are stacked on the surface of the second lens 150 away from the spacer ring 140 . each part.

Referring to FIG. 7 , in this embodiment, without changing the structures of other components, the accommodating groove 110 can also be provided on the surface of the spacer ring 140 that faces away from the first lens 130 . At this time, the first lens 130 is directly attached to the spacer ring 140 , and the light shielding sheet 200 is sandwiched between the spacer ring 140 and the second lens 150 .

In yet another embodiment of the present application, the light-transmitting component 100 includes a lens barrel 120 , a fixing portion 122 , a first lens 130 , a spacer ring 140 and a second lens 150 . The lens barrel 120 defines an accommodating cavity 121 with two ends passing through. The accommodating cavity 121 is provided with a ring-shaped fixing portion 122. The fixing portion 122 extends from the inner wall of the lens barrel 120 to the accommodating cavity 121. The fixing portion 122 has a second light-transmitting hole 123, and the optical path axis 101 passes through the second light-transmitting hole. 123. The first lens 130 is attached to the surface of the fixing portion 122 facing the object side of the lens, and the optical path axis 101 passes through the first lens 130 . The spacer ring 140 is attached to the surface of the first lens 130 away from the fixing portion 122 , the spacer ring 140 has a third light-transmitting hole 141 , and the optical path axis 101 passes through the third light-transmitting hole 141 . The second lens 150 is attached to the surface of the spacer ring 140 facing away from the first lens 130 , and the optical path axis 101 passes through the second lens 150 . The accommodating groove 110 is disposed on the surface of the second lens 150 facing the spacer ring 140 .

The difference from the previous embodiment is that in this embodiment, the accommodating groove 110 is provided on the surface of the second lens 150 facing the spacer ring 140 , and the position of the accommodating groove 110 is changed.

Referring to FIG. 8 , in this embodiment, without changing the structures of other components, the accommodating groove 110 can also be provided on the surface of the second lens 150 away from the spacer ring 140 . At this time, the spacer ring 140 is directly attached to the second lens 150, the shading sheet 200 is attached to the surface of the second lens 150 away from the spacer ring 140, and other components are stacked on the surface of the shading sheet 200.

All in all, the relative position of the light-shielding sheet 200 in the light-transmitting assembly 100 can be adjusted according to the number of components included in the light-transmitting assembly 100 and the relative positional relationship. The accommodating groove 110 of the sheet 200 is sufficient.

In one embodiment of the present application, the light shielding sheet 200 includes an annular portion 220 and a protruding portion 230 . The annular portion 220 defines a first light-transmitting hole 210 , and the outer edge of the annular portion 220 extends away from the center thereof to form a protruding portion 230 . The protruding portion 230 is used to limit the rotation of the light shielding sheet 200 around the optical path axis 101 in the accommodating groove 110 after being embedded in the accommodating groove 110 . The shape of the protruding portion 230 can be a fan shape or other shapes, which are not limited herein.

In order to fix the light shielding sheet 200 in the accommodating groove 110 , the accommodating groove 110 includes a limiting groove 112 , and the limiting groove 112 is used for accommodating the protruding portion 230 , and the protruding portion 230 is embedded in the limiting groove 112 . In order to reduce the area of the accommodating groove 110 as much as possible, and also reduce the damage to the surface of the component on which the accommodating groove 110 is provided, the light shielding sheet 200 can be fixed by using the limiting groove 112 to fix the protruding portion 230 .

In an embodiment of the present application, the accommodating groove 110 includes an annular groove 111 and a limiting groove 112 . The annular groove 111 is used for accommodating the annular portion 220 , and the outer edge of the annular groove 111 extends away from the center to form a limiting groove 112 , and the limiting groove 112 is used for accommodating the protruding portion 230 . The annular portion 220 is embedded in the annular groove 111, and the protruding portion 230 is embedded in the limiting groove 112, so that the accommodating groove 110 can completely accommodate the light shielding sheet 200, and the fixing effect is better.

In one embodiment of the present application, the number of the protruding parts 230 is multiple, and the multiple protruding parts 230 are distributed in a circular array around the center of the annular part 220 . The number of the limiting grooves 112 is multiple, and the plurality of protruding portions 230 are embedded in the multiple limiting grooves 112 in one-to-one correspondence. Providing a plurality of protruding parts 230 is beneficial to the positioning of the light shielding sheet 200 during production and the connection and fixation during installation. The protruding portions 230 are distributed at intervals around the center of the annular portion 220 , the intervals between the protruding portions 230 may be the same or different, and the shapes and sizes of the protruding portions 230 may be the same or different. Preferably, according to the number of the protruding parts 230 , the interval between two adjacent protruding parts 230 is adjusted to be distributed in a circular array around the center of the annular part 220 . If the number of the protruding parts 230 is three, the included angle between two adjacent protruding parts 230 is 120°, and the three protruding parts 230 are distributed in a circular array around the center of the annular part 220 . If the number of the protruding portions 230 is four, the included angle between two adjacent protruding portions 230 is 90°, and the four protruding portions 230 are distributed in a circular array around the center of the annular portion 220 . Correspondingly, the number of the limiting grooves 112 is multiple, the annular portion 220 is embedded in the annular groove 111 , and the plurality of protruding portions 230 are embedded in the multiple limiting grooves 112 in a one-to-one correspondence.

The electronic device 1 provided by the embodiments of the present application includes the imaging lens 10 as described above, because the light shielding sheet 200 of the imaging lens 10 is not directly sandwiched between two components of the light-transmitting assembly 100 , but is disposed in the light-transmitting component 100 . In the accommodating groove 110 of the component 100, the cumulative tolerance caused by the stacking of multiple components between the optical path axes 101 can be reduced, and the imaging performance can be improved. Prevent the shading sheet 200 from shifting during the assembly process, affecting the imaging quality, avoiding the misalignment of the optical axis of the imaging lens 10 caused by errors caused by multiple alignments, thereby avoiding affecting the performance of the electronic device 1, and the imaging lens 10 The assembly of the light shielding sheet 200 and the accommodating groove 110 is simpler and more convenient, and the assembly time and cost of the electronic device 1 can also be reduced. The electronic device 1 may be any one of wearable devices such as a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, a smart bracelet, and a smart watch.

The same or similar numbers in the drawings of this embodiment correspond to the same or similar components; in the description of this application, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. structure and operation, so the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (14)

1. an imaging lens, is characterized in that, comprises: a light-transmitting component, defining an optical path axis, external light passing through the light-transmitting component along the extending direction of the optical-path axis, and the light-transmitting component includes a receiving groove extending around the optical path axis; a light-shielding sheet for shielding stray light in the light-transmitting component, the light-shielding sheet has a first light-transmitting hole, the optical path axis passes through the first light-transmitting hole, and the light-shielding sheet is embedded in the receiving groove. 2. The imaging lens of claim 1, wherein: In a direction parallel to the optical path axis, the depth dimension of the receiving groove is greater than or equal to the thickness dimension of the light shielding sheet. 3. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines a receiving cavity with two ends passing through, and an annular fixing part is arranged in the receiving cavity, and the fixing part extends from the inner peripheral wall of the lens barrel into the receiving cavity; Wherein, the fixing portion has a second light-transmitting hole, the optical path axis passes through the second light-transmitting hole, and the accommodating groove is provided on a surface of the fixing portion facing the object side of the lens. 4. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, and the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity. Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixing part facing the object side of the lens, the optical path axis passes through the first lens, and the receiving groove is provided on the surface of the first lens facing the fixing part . 5. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a first Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixed part facing the object side of the lens, the optical path axis passes through the first lens, and the accommodating groove is provided on the surface of the first lens away from the fixed part . 6. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a first Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixing portion facing the object side of the lens, and the optical path axis passes through the first lens; a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole; a second lens attached to the surface of the spacer ring facing away from the first lens, and the optical path axis passes through the second lens; Wherein, the accommodating groove is arranged on the surface of the spacer ring facing the first lens. 7. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a first Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixing portion facing the object side of the lens, and the optical path axis passes through the first lens; a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole; a second lens attached to the surface of the spacer ring facing away from the first lens, and the optical path axis passes through the second lens; Wherein, the accommodating groove is arranged on the surface of the spacer ring facing away from the first lens. 8. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a first Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixing portion facing the object side of the lens, and the optical path axis passes through the first lens; a spacer ring, attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole; A second lens is attached to the surface of the spacer ring facing away from the first lens, the optical path axis passes through the second lens, and the accommodating groove is provided on the second lens facing the spacer ring s surface. 9. The imaging lens of claim 1, wherein the light-transmitting component comprises: The lens barrel defines an accommodating cavity with two ends passing through, the accommodating cavity is provided with an annular fixing portion, the fixing portion extends from the inner peripheral wall of the lens barrel into the accommodating cavity, and the fixing portion has a first Two light-transmitting holes, the optical path axis passes through the second light-transmitting holes; a first lens attached to the surface of the fixing portion facing the object side of the lens, and the optical path axis passes through the first lens; a spacer ring attached to the surface of the first lens away from the fixing part, the spacer ring has a third light-transmitting hole, and the optical path axis passes through the third light-transmitting hole; A second lens is attached to the surface of the spacer ring facing away from the first lens, the optical path axis passes through the second lens, and the accommodating groove is provided on the second lens facing away from the spacer ring s surface. 10. The imaging lens of claim 1, wherein: The shading sheet includes an annular portion and a protruding portion; The annular portion defines the first light-transmitting hole, and the outer edge of the annular portion extends in a direction away from the center thereof to form the protruding portion. 11. The imaging lens of claim 10, wherein: The accommodating groove includes a limiting groove, and the limiting groove is used for accommodating the protruding portion. 12. The imaging lens of claim 10, wherein: The accommodating groove includes an annular groove and a limiting groove; The annular groove is used for accommodating the annular portion, and the outer edge of the annular groove extends in a direction away from the center thereof to form the limiting groove, and the limiting groove is used for accommodating the protruding portion. 13. The imaging lens of claim 12, wherein: The number of the protruding parts is multiple, and a plurality of the protruding parts are distributed in a circular array around the center of the annular part; The number of the limiting grooves is multiple, and the protruding parts are embedded in the limiting grooves in a one-to-one correspondence. 14. An electronic device, comprising: The imaging lens according to any one of claims 1 to 13.

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