CN211741670U - Lens module and mobile terminal - Google Patents
Lens module and mobile terminal Download PDFInfo
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- CN211741670U CN211741670U CN202020441593.6U CN202020441593U CN211741670U CN 211741670 U CN211741670 U CN 211741670U CN 202020441593 U CN202020441593 U CN 202020441593U CN 211741670 U CN211741670 U CN 211741670U
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Abstract
The utility model discloses a camera lens module and mobile terminal, camera lens module includes: the first lens group comprises a lens barrel and a first lens group, the first lens group comprises a first lens, and the first lens is arranged in the lens barrel; the second lens group, the second lens group includes base, second lens crowd and sensitization subassembly, and the base has logical unthreaded hole, and the lens cone is connected with the base and is relative with logical unthreaded hole, and second lens crowd includes the second lens, and sensitization subassembly and pedestal connection, the second lens are installed and are passed through downthehole and relative with the sensitization subassembly in the unthreaded hole, and the second lens is equipped with infrared ray filtration membrane. Through tearing the lens module group open the group setting, with second lens group setting in the base, can reduce the thickness of lens module to, through plating infrared filtering membrane on the second lens, can omit the light filter, when having reduced the thickness of lens module, can simplify the structure of lens module.
Description
Technical Field
The utility model belongs to the technical field of the technique of making a video recording and specifically relates to a camera lens module and mobile terminal are related to.
Background
With the rapid development of electronic information, electronic devices are becoming an indispensable part of people's lives. The lens module is a component with a camera shooting function, is widely applied to electronic products such as mobile phones, tablet computers, electronic watches and the like, and in recent years, with the development of electronic equipment towards miniaturization and ultra-thinness, higher requirements are put forward on the lens module.
In the related art, the lens group in the lens module is usually disposed in the lens barrel. And need set up light filters such as filtration infrared light, ultraviolet ray, also can play the dustproof effect of sensor, but the lens group that sets up like this can lead to the thickness of camera lens module great to set up the thickness that the light filters also can increase the camera lens module, the burnt design need consider the height of light filters behind the camera lens and lead to the burnt unable miniaturation behind the camera lens.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a lens module with a low thickness and a simple structure.
The utility model also provides a mobile terminal of having above-mentioned camera lens module.
According to the lens module of the first aspect of the present invention, the first lens group includes a lens barrel and a first lens group, the first lens group includes a first lens, and the first lens is mounted in the lens barrel; the second lens group, the second lens group includes base, second lens crowd and sensitization subassembly, the base has logical unthreaded hole, the lens cone with pedestal connection and with it is relative to lead to the unthreaded hole, the second lens crowd includes the second lens, the sensitization subassembly with pedestal connection, the second lens install in lead to in the unthreaded hole and with the sensitization subassembly is relative, the second lens is equipped with infrared ray filtration membrane.
According to the utility model discloses lens module is through tearing the lens module group open and is set up, with the second lens setting in the base, can reduce the thickness of lens module to, through plating infrared filtering membrane on the second lens, can omit the light filter, when further having reduceed the thickness of lens module, can simplify the structure of lens module.
According to some embodiments of the invention, the second lens is encapsulated with the base within the clear aperture. Therefore, the assembling steps of the lens module can be reduced, and the stacking tolerance generated in the assembling process of the lens module is reduced.
According to the utility model discloses a some embodiments, it increases gradually to lead to unthreaded hole aperture along keeping away from photosensitive assembly one side direction, can be convenient for the installation of lens like this.
According to the utility model discloses a some embodiments, the logical unthreaded hole include columniform first inner wall, internal diameter be less than the first inner wall the second inner wall the lens of second lens crowd install in the first inner wall. Thereby can make the both ends of the radial direction of lens card on first inner wall firmly, improve the structural stability of second lens group.
According to the utility model discloses a some embodiments, form the step between first inner wall and the second inner wall, the second lens install in the first inner wall, and a side surface connects on the step, and the structure of the second lens group that sets up like this is more reliable and more stable.
According to some embodiments of the present invention, a portion of the lens barrel is opposite to the light passing hole and the other portion is glued to the end surface of the base. The arrangement is convenient for light to enter the lens module.
According to some embodiments of the present invention, the lens of the second lens group is kept away from one end surface of the photosensitive assembly is located in the light through hole. Therefore, the thickness of the lens module can be further reduced.
According to some embodiments of the invention, the infrared filtering membrane is provided on the lens surface on the side of the second lens group close to the photosensitive assembly. Therefore, the thickness of the lens module can be reduced, and the transmission efficiency of signals can be improved.
According to some embodiments of the present invention, the photosensitive assembly is installed in the light through hole, and is packaged in the end of the base close to the image side. Therefore, the photosensitive assembly can effectively filter infrared light, and the imaging quality is improved.
According to some embodiments of the utility model, sensitization subassembly includes the bearing plate, locates sensitization chip and gold thread on the bearing plate, the sensitization chip passes through the gold thread transmission signal of telecommunication, the bearing plate with the integrative injection moulding of base. The flatness and the precision of the base and the supporting plate can be improved by the arrangement, and the problem that the position of an optical axis cannot be adjusted by the last lens through an AA (acrylic acid) manufacturing process can be solved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a lens module according to an embodiment of the present invention;
fig. 2 is a comparison diagram of a lens module according to the embodiment of the present invention and the conventional art.
Reference numerals:
a lens module 100;
a first lens group 10; a lens barrel 11; a first lens group 12; a first lens 121;
a second lens group 20; a base 21; a light-passing hole 211; first inner wall 2111; a step 2112; a second inner wall 2113; a second lens group 22; a second lens 221; a photosensitive member 23; a support plate 231; a photosensitive chip 232; gold wires 233;
a lens 30;
and a filter 40.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
The lens module 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 2, and the lens module 100 may be applied to a mobile terminal.
As shown in fig. 1, a lens module 100 according to an embodiment of the present invention includes a first lens group 10 and a second lens group 20.
Specifically, the first lens group 10 includes a lens barrel 11 and a first lens group 12, the first lens group 12 includes a first lens 121, the first lens 121 is installed in the lens barrel 11, the second lens group 20 includes a base 21, a second lens group 22 and a photosensitive component 23, the base 21 has a light through hole 211, the lens barrel 11 is connected to the base 21 and opposite to the light through hole 211, the second lens group 22 includes a second lens 221, the photosensitive component 23 is connected to the base 21, the second lens 221 is installed in the light through hole 211 and opposite to the photosensitive component 23, and the second lens 221 is provided with an infrared filtering membrane (not shown).
It is understood that the lenses 30 in the first lens group 12 are collectively referred to as a first lens 121, and the first lens 121 may be one or more lenses 30. The lenses 30 in the second lens group 22 are collectively referred to as a second lens 221, and the second lens 221 can be one or more lenses 30.
Referring to fig. 1, the first lens group 10 and the second lens group 20 are disposed opposite to each other in an axial direction of the lens 30. The lens 30 of the second lens group 22 is provided with an infrared filtering membrane, the infrared filtering membrane is distilled on the lens, the optical filter 40 can be omitted, meanwhile, the first lens group 10 and the second lens group 20 are disassembled from the group, and the photosensitive assembly 23 is connected with the base of the second lens group, compared with the prior art, the thickness of the lens module 100 is reduced. And the lens 30 in the second lens group 22 is disposed opposite to the photosensitive element 23, so as to improve the transmission efficiency of the signal while playing a dustproof role.
Referring to fig. 2, fig. 2a is a schematic view of a lens module with a filter 40 according to the conventional art, and fig. 2b is a schematic view of an embodiment of the present invention. Lens module in the conventional art is because be provided with light filter 40, and the thickness that leads to the lens module is great, the utility model discloses a plate infrared ray filtration membrane on second lens 221, can omit light filter 40 to realize that the lens tears the crowd open and set up, thereby reduced lens module 100's thickness, make the lens module of conventional art with the embodiment of the utility model provides a lens module 100 has the poor h of thickness, and simplified lens module 100's structure, realized mobile terminal's frivolousness and microminiaturization.
Optionally, the base 21 may be made of an EMC (epoxy molding compound), which may effectively improve the air tightness, high temperature aging resistance, and ultraviolet attenuation resistance of the base 21.
Further, the lens module 100 can be mounted on an optical axis calibration device to calibrate the eccentricity and tilt of the conventional lens module 100, and the second lens group 22 is disposed in the base 21 by disassembling the lens group design, so that the optical design of back focus reduction can be supported and the thickness of the lens module 100 can be reduced.
According to the utility model discloses lens module 100 through tearing the crowd setting open to lens module 100, sets up second lens group 22 in base 21, can reduce lens module 100's thickness. And the infrared ray filtering film is plated on the lens, the conventional filter 40 can be omitted, thereby further reducing the thickness of the lens module 100.
Specifically, referring to fig. 1, the second lens 221 is encapsulated with the base 21 within the light passing hole 211. Thus, the base 21 and the support plate 231 are injection molded, so that the assembling steps of the lens module 100 can be reduced, the stacking tolerance generated in the assembling process of the lens module 100 can be reduced, and the imaging definition of the lens module 100 can be improved.
According to some embodiments of the present invention, the aperture of the light passing hole 211 gradually increases along a direction away from one side of the photosensitive assembly 100, so as to facilitate the installation of the lens 30. It is understood that the image side is the side of the object to be imaged, and the object side is the side close to the object.
Further, as shown in fig. 1, the light passing hole 211 includes a first inner wall 2111 having a cylindrical shape and a second inner wall 2113 having an inner diameter smaller than that of the first inner wall 2111, and the second lens 221 is mounted in the first inner wall 2111. By providing the first inner wall 2111 and the second inner wall 2113, both ends of the lens 30 in the radial direction can be stably caught on the first inner wall 2111, so that the stability of the structure of the second lens group 20 can be improved.
Further, referring to fig. 1, a step 2112 is formed between the first inner wall 2111 and the second inner wall 2113, the second lens 221 is installed in the first inner wall 2111, and one side surface is connected to the step 2112. Thus, the structure of the second lens group 20 can be ensured to be stable and reliable.
Specifically, referring to fig. 1, a portion of the lens barrel 11 is opposite to the light passing hole 211, and another portion is glued to the end surface of the base 21. A portion of the lens barrel 11 is opposite to the light passing hole 211 in the axial direction, and a light collecting opening may be formed to facilitate light entering the lens module 100. The joint of the lens barrel 11 and the base 21 can be fixed by glue.
For example, the joint between the lens barrel 11 and the base 21 can be fixed by bonding with a low shrinkage UV thermosetting hybrid glue, so as to improve the structural stability of the lens module 100.
In some embodiments of the present invention, referring to fig. 1, an end surface of the lens 30 of the second lens group 22, which is far away from the photosensitive component 23, is located in the light passing hole 211. Thus, the thickness of the lens module 100 can be further reduced. Moreover, the lens 30 has a curved surface protruding toward the photosensitive element 23, so that the transmission efficiency of signals can be improved.
Specifically, the infrared filtering film is disposed on the surface of the lens 30 on the side of the second lens group 22 close to the photosensitive assembly 23. The optical filter 40 can be replaced by plating the infrared filtering film on the lens 30, so that the thickness of the lens module 100 can be reduced, the infrared filtering film is arranged towards the photosensitive assembly 23 to effectively filter infrared light, the imaging quality can be improved, and the signal transmission efficiency is further improved.
Further, referring to fig. 1, the photosensitive element 23 is installed in the light-passing hole 211 and is packaged at an end of the base 21 close to the image side, so that the photosensitive element 23 can effectively filter infrared light, and the imaging quality is improved.
According to some optional embodiments of the utility model, as shown in fig. 1, photosensitive assembly 23 includes bearing plate 231, locates photosensitive chip 232 and gold thread 233 on bearing plate 231, and photosensitive chip 232 transmits the signal of telecommunication through gold thread 233, and bearing plate 231 and the integrative injection moulding of base 21 to fix on photosensitive assembly 23, injection moulding's base 21 is higher with bearing plate 231's roughness and precision. The photosensitive chip 232 is used for receiving images, the photosensitive chip 232 can be adhered to the supporting plate by glue by adopting a chip-on-film (SMT), and the photosensitive chip 232 and the supporting plate 231 are combined by a gold wire 233 by adopting a wire bonding technology, so that signals can be transmitted. The gold wire 233 can be coated on the support plate 231 and the base 21, thereby preventing stray light and astigmatism caused by the reflection of the gold wire 233, and improving the reliability of the lens module 100 by arranging the gold wire 233 in the lens module 100.
For example, the support plate 231 may be a hard ceramic substrate or a PCB (printed circuit board) substrate such as a soft composite board.
Specifically, by providing the injection-molded base 21 and the support plate 231, the flatness and accuracy of the base 21 and the support plate 231 are improved, the lens 30 in the second lens group 22 can be adjusted in the position of the optical axis (the optical axis is the center line of the light beam passing through the center point of the camera lens) by using an AA (Active Alignment) process, which is a technique for determining the relative position of the parts during the assembly process, and the structural reliability of the lens module 100 can be improved.
According to the utility model discloses mobile terminal of second aspect embodiment, include according to the utility model discloses above-mentioned first aspect embodiment's lens module 100.
Of course, in other examples of the present invention, a plurality of lenses 30 may be disposed in the second lens group 22, and the plurality of lenses 30 are encapsulated with the base 21 in the light-transmitting hole 211. The above arrangement can be selected by those skilled in the art based on the relevant design. Other configurations, such as memory and battery, and operations of a mobile terminal according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A lens module, comprising:
the first lens group comprises a lens barrel and a first lens group, the first lens group comprises a first lens, and the first lens is arranged in the lens barrel;
the second lens group, the second lens group includes base, second lens crowd and sensitization subassembly, the base has logical unthreaded hole, the lens cone with pedestal connection and with it is relative to lead to the unthreaded hole, the second lens crowd includes the second lens, the sensitization subassembly with pedestal connection, the second lens install in lead to in the unthreaded hole and with the sensitization subassembly is relative, the second lens is equipped with infrared ray filtration membrane.
2. The lens module as recited in claim 1, wherein the second lens is encapsulated with the base within the light aperture.
3. The lens module as claimed in claim 2, wherein the aperture of the light-passing hole is gradually increased along a direction away from the photosensitive element.
4. The lens module as claimed in claim 3, wherein the light-passing hole includes a first inner wall having a cylindrical shape and a second inner wall having an inner diameter smaller than that of the first inner wall, and the second lens is mounted in the first inner wall.
5. The lens module as claimed in claim 4, wherein a step is formed between the first and second inner walls, the second lens is mounted in the first inner wall, and a side surface of the second lens is connected to the step.
6. The lens module as claimed in claim 2, wherein a portion of the barrel is opposite to the light-passing hole and another portion is bonded to the end surface of the base.
7. The lens module as claimed in any one of claims 2-6, wherein the infrared filter is disposed on the surface of the second lens group closest to the photosensitive element.
8. The lens module as claimed in any one of claims 1 to 6, wherein the photosensitive element is mounted in the light-passing hole and is encapsulated at an end of the base adjacent to the image side.
9. The lens module as claimed in claim 8, wherein the photosensitive assembly includes a support plate, a photosensitive chip disposed on the support plate, and a gold wire, the photosensitive chip transmits electrical signals through the gold wire, and the support plate and the base are integrally injection-molded.
10. A mobile terminal, characterized by comprising a lens module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441593.6U CN211741670U (en) | 2020-03-30 | 2020-03-30 | Lens module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441593.6U CN211741670U (en) | 2020-03-30 | 2020-03-30 | Lens module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211741670U true CN211741670U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020441593.6U Active CN211741670U (en) | 2020-03-30 | 2020-03-30 | Lens module and mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN211741670U (en) |
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2020
- 2020-03-30 CN CN202020441593.6U patent/CN211741670U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210622 Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Jinghao optics Co.,Ltd. Address before: 330013 Nanchang, Jiangxi economic and Technological Development Zone, east of lilac Road, north of Longtan canal. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. |
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| TR01 | Transfer of patent right |