CN210015271U

CN210015271U - Lens module

Info

Publication number: CN210015271U
Application number: CN201920543829.4U
Authority: CN
Inventors: 韦传冬
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-04
Anticipated expiration: 2029-04-18

Abstract

The utility model belongs to the technical field of optical imaging, a camera lens module is provided. The lens module comprises a lens cone, a first lens group accommodated in the lens cone and close to one end of an object side, a second lens group accommodated in the lens cone and close to one end of an image side, and a gasket clamped between the first lens group and the second lens group, wherein the gasket comprises an outer ring wall abutting against the lens cone and an inner ring wall corresponding to the outer ring wall, and a three-dimensional honeycomb-shaped hollow structure is arranged on the inner ring wall. The utility model discloses a circle three-dimensional cellular hollow out construction on the wall in the packing ring can absorb and enter into the lens cone in to the parasitic light that the formation of image effect influences, has reduced the reflection phenomenon of parasitic light in the lens cone greatly, has effectively weakened the interference of parasitic light to the camera lens module, has effectively promoted the formation of image quality in the real shot picture.

Description

Lens module

[ technical field ] A method for producing a semiconductor device

The utility model relates to an optical imaging technical field especially relates to a lens module.

[ background of the invention ]

The optical lens module is widely applied to the fields of consumer digital products, such as mobile phones, notebook computers, toys, industrial detection, automobile-mounted cameras, medical treatment and the like. With the development of imaging technology and the wide use of electronic products with camera functions, optical lens modules are widely used in various fields of life.

When the optical lens module in the prior art is used, light can be shot into the lens barrel, and due to the reflection effect of the light, the light shot from each angle to the lens module is easy to be reflected for multiple times in the lens barrel in the imaging process, so that a large amount of parasitic light interference is formed, and therefore, more obvious parasitic light is easy to appear in a real shooting picture, and the imaging quality is reduced.

[ Utility model ] content

An object of the utility model is to provide a lens module aims at solving the lens module among the prior art and appears more obvious parasitic light easily and lead to the not high problem of formation of image quality in the real picture of taking a picture.

The technical scheme of the utility model as follows: the utility model provides a lens module, lens module includes the lens cone, accept in be close to the first group of the thing side one end in the lens cone, accept in be close to the second group of the image side one end in the lens cone and press from both sides and arrange in the packing ring between first group of the mirror and the second group of the mirror, the packing ring is including supporting the outer lane wall that leans on the lens cone and with the inner circle wall that outer lane wall corresponds, be provided with three-dimensional cellular hollow out construction on the inner circle wall.

Furthermore, the radius of the inner ring formed by the inner ring wall is gradually increased from the object side to the image side.

Furthermore, the three-dimensional honeycomb-shaped hollow structures are uniformly distributed along the circumferential direction of the inner ring wall.

Furthermore, the three-dimensional honeycomb hollow structure is formed by connecting a plurality of three-dimensional units, and the three-dimensional units are fixedly connected by a plurality of connecting strips.

Further, in each three-dimensional unit, the connecting strips form an icosahedron structure.

Further, in each face of the three-dimensional unit, the distance between two opposite connecting strips is 15um-50 um.

Further, the material of the three-dimensional honeycomb-shaped hollow structure is sponge.

Furthermore, the three-dimensional honeycomb hollow structure is made of metal.

Further, the first lens group includes a first lens, a second lens, a third lens and a shading sheet respectively sandwiched between the first lens and the second lens, between the second lens and the third lens and between the third lens and the gasket, wherein the first lens, the second lens and the third lens are sequentially disposed from an object side along an image side.

Further, the second lens group comprises a lens body and a light shielding plate arranged between the lens body and the gasket.

The beneficial effects of the utility model reside in that: the utility model discloses a camera lens module is through setting up three-dimensional cellular hollow out construction on the inner circle wall of packing ring, absorbs and enters into the veiling glare that forms the influence in the lens cone to the formation of image effect, has reduced the reflection phenomenon of veiling glare in the lens cone greatly, has effectively weakened the interference of veiling glare to the camera lens module, has effectively promoted the formation of image quality in the real shot picture.

[ description of the drawings ]

Fig. 1 is a schematic cross-sectional structure diagram of a lens module according to an embodiment of the present invention;

FIG. 2 is an exploded view of the lens module shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the area A in FIG. 1;

FIG. 4 is a schematic perspective view of the honeycomb hollow structure shown in FIG. 1;

FIG. 5 is a schematic plan view of the three-dimensional cellular openwork structure of FIG. 1;

fig. 6 is an enlarged structural schematic view of the solid unit in fig. 4.

[ detailed description ] embodiments

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, a lens module according to an embodiment of the present invention is shown. The lens module comprises a lens cone 1, a first lens group 2 accommodated in one end, close to an object side, of the lens cone 1, a second lens group 3 accommodated in one end, close to an image side, of the lens cone, and a gasket 4 clamped between the first lens group 2 and the second lens group 3, wherein the gasket 4 comprises an outer ring wall 41 abutting against the lens cone 1 and an inner ring wall 42 corresponding to the outer ring wall 41, and a three-dimensional honeycomb-shaped hollow structure 5 is arranged on the inner ring wall 42.

After light enters the lens cone 1 through the first lens group 2, stray light which influences the imaging effect and enters the lens cone 1 is absorbed through the three-dimensional honeycomb-shaped hollow structure 5 on the inner ring wall 42 of the gasket 4, so that the stray light which is formed by multiple reflections after entering the lens cone 1 is reduced, the interference of the stray light on a real shot picture of the lens module is effectively weakened, and the imaging quality is effectively improved.

Referring to fig. 2, the lens barrel 1 of the present embodiment includes a first barrel wall 11 extending horizontally and forming a light passing hole 10, and a second barrel wall 12 bending and extending from the first barrel wall 11 to the image side to accommodate the first lens group 2 and the second lens group 3. The first lens group 2 in this embodiment includes a first lens 21, a second lens 22, a third lens 23 disposed in order from an object side along an image side, and a light shielding sheet 24 respectively interposed between the first lens 21 and the second lens 22, between the second lens 22 and the third lens 23, and between the third lens 23 and a gasket 4. The second lens group 3 includes a lens body 31 and a light shielding plate 32 disposed between the lens body 31 and the gasket 4. In other embodiments, only one lens or other number of lenses may be disposed in the first lens group 2, and the light shielding sheet 24 may be disposed between the lenses, or the light shielding sheet 24 may not be disposed. The second lens group 3 may also have other number of lens bodies 31 as required, and a light shielding plate 32 may be disposed between the lens bodies 31, or no light shielding plate 32 may be disposed.

In the above embodiment, the second cylinder wall 12 has the first positioning portion 121 for fixing the first lens 21, the second positioning portion 122 for fixing the second lens 22, the third positioning portion 123 for fixing the third lens 23, the fourth positioning portion 124 for fixing the washer 4, and the fifth positioning portion 125 for fixing the mirror body 31. In other embodiments, the number of positioning portions in the second cylinder wall 12 is determined by the number of lenses of the first lens group 2 and the number of lens bodies 31 of the second lens group 3.

In this embodiment, the gasket 4 is a hollow ring-shaped structure, the outer ring wall 41 of the gasket 4 abuts against the side wall of the fourth positioning portion 124, and the radius of the inner ring formed by the inner ring wall 42 of the gasket 4 gradually increases from the object side to the image side, so that the inner ring wall 42 is inclined, and the three-dimensional honeycomb-shaped hollow structure 5 arranged on the inner ring wall 42 is arranged according to the propagation direction of light, so as to better absorb stray light, and simultaneously, not block the path of imaging light. Preferably, the three-dimensional cellular hollow structures 5 are uniformly arranged along the circumferential direction of the inner ring wall 42 of the gasket 4, so that stray light entering the lens barrel 1 and influencing the imaging effect can be fully absorbed by the three-dimensional cellular hollow structures 5 in all directions, the interference of the stray light on the lens module is weakened to the greatest extent, and the imaging quality is further improved.

Referring to fig. 4 to fig. 6, the three-dimensional cellular hollow structure 5 is formed by connecting a plurality of three-dimensional units 51, and the three-dimensional units 51 are formed by fixedly connecting a plurality of connecting strips 511. The three-dimensional cellular hollow structure 5 can be composed of a plurality of layers of three-dimensional units 51. In the present embodiment, the three-dimensional cellular hollow structure 5 is formed by stacking two layers of three-dimensional units 51 to form a spatial three-dimensional network structure. The connecting bars 511 in each of the three-dimensional units 51 constitute an icosahedron structure, and the distance between two opposite connecting bars 511 in each face of the icosahedron structure, i.e., each face of the three-dimensional units 51, is set very densely, so that the number of times of absorbing and scattering the incoming stray light can be increased to effectively absorb the stray light. The three-dimensional honeycomb hollow structure is made of sponge or metal, the three-dimensional honeycomb hollow structure 5 can be corroded by metal, the three-dimensional honeycomb hollow structure 5 can also be formed by metal lamination of a net structure, and the metal is firm in structure and not easy to deform, so that the durability of the lens module is improved; or the three-dimensional honeycomb-shaped hollow structure 5 is made of sponge, so that the sponge is light in weight, the adaptability of the lens module is improved, and the application range of the lens module is favorably expanded. In other embodiments, the three-dimensional honeycomb hollow structure 5 can also be formed by three-dimensional printing.

To sum up, the utility model discloses a camera lens module is through setting up three-dimensional cellular hollow out construction 5 on the inner circle wall 42 of packing ring 4 to absorb and enter into in lens cone 1 the parasitic light that forms the influence to the formation of image effect, reduced the reflection phenomenon of parasitic light in the lens cone 1 greatly, effectively reduce the interference of parasitic light to the camera lens module, effectively promoted the formation of image quality in the real shot picture. The lens module can be applied to electronic products such as mobile phones, tablet computers, cameras and the like.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A lens module comprises a lens cone, a first lens group accommodated in one end, close to an object side, of the lens cone, a second lens group accommodated in one end, close to an image side, of the lens cone, and a gasket clamped between the first lens group and the second lens group, wherein the gasket comprises an outer ring wall abutting against the lens cone and an inner ring wall corresponding to the outer ring wall; the novel honeycomb-shaped hollow-out structure is characterized in that a three-dimensional honeycomb-shaped hollow-out structure is arranged on the wall of the inner ring.

2. The lens module as claimed in claim 1, wherein the inner ring wall has an inner ring radius gradually increasing from an object side to an image side.

3. The lens module as claimed in claim 1 or 2, wherein the three-dimensional honeycomb-like hollow structures are uniformly arranged along the circumferential direction of the inner ring wall.

4. The lens module as recited in claim 1, wherein the three-dimensional honeycomb-like hollow structure is formed by connecting a plurality of three-dimensional units, and the three-dimensional units are formed by fixedly connecting a plurality of connecting strips.

5. The lens module as claimed in claim 4, wherein the connecting bar forms an icosahedron structure in each of the stereoscopic units.

6. The lens module as claimed in claim 5, wherein the distance between two opposite connecting strips in each face of the stereo unit is 15um-50 um.

7. The lens module as recited in claim 1, wherein the three-dimensional cellular hollow structure is made of sponge.

8. The lens module as recited in claim 1, wherein the three-dimensional honeycomb-like hollow structure is made of metal.

9. The lens module as claimed in claim 1, wherein the first lens group includes a first lens, a second lens, a third lens and a light shielding film respectively interposed between the first lens and the second lens, between the second lens and the third lens and between the third lens and the gasket.

10. The lens module as recited in claim 1, wherein the second lens group comprises a lens body and a light shielding plate disposed between the lens body and the gasket.