CN211018940U - Camera module and mobile terminal - Google Patents
Camera module and mobile terminal Download PDFInfo
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- CN211018940U CN211018940U CN201921396037.5U CN201921396037U CN211018940U CN 211018940 U CN211018940 U CN 211018940U CN 201921396037 U CN201921396037 U CN 201921396037U CN 211018940 U CN211018940 U CN 211018940U
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Abstract
The utility model discloses a camera module, including sensitization chip, supporting seat and light filter, the sensitization chip is located the supporting seat, and the supporting seat includes plastic platform and metal frame, and the metal frame combines with the plastic platform, by the plastic platform cladding in the edge embedding plastic platform of light filter. The utility model discloses still relate to a mobile terminal. In the camera module and the mobile terminal provided by the embodiment of the utility model, the optical filter is embedded into the plastic table, so that the size of the supporting seat in the Y direction can be greatly reduced, the strength of the supporting seat can be greatly enhanced, and a better supporting effect is formed; meanwhile, the optical filter does not need to be additionally fixed in a bonding mode and the like, so that the optical filter is prevented from being polluted in the fixing process; in addition, the optical filter and the metal frame are arranged in the die together during manufacturing, the optical filter does not need to be attached to the metal frame in advance, and the manufacturing process is simpler.
Description
Technical Field
The utility model relates to a camera technical field, in particular to camera module and mobile terminal.
Background
The camera module comprises a circuit board, a photosensitive chip, a supporting seat, a lens assembly and an optical filter. The photosensitive chip is arranged on the circuit board, the supporting seat is fixed on the circuit board, the lens component is arranged on the supporting seat, and the optical filter is arranged on the supporting seat and is positioned between the photosensitive chip and the lens component. At present, the optical filter is adhered to a support base made of plastic by means of an adhesive or the like.
At present, various electronic products, such as portable electronic products like mobile phones, cameras, tablet computers, etc., have increasingly thinner thicknesses, higher screen occupation ratios, and higher pixels, and thus, smaller and thinner requirements are also put forward on camera modules. As shown in fig. 1 and 2, in the conventional camera module, the wall thickness of the support seat made of a plastic material is generally 0.3mm, the optical filter disposed on the support seat needs to occupy a width of about 0.3mm, and a gap of about 0.1mm exists between the optical filter and the support seat, and the total thickness of the side wall of the support seat is at least 0.7mm, so that the size of the camera module in the Y direction is large. In addition, the whole supporting seat made of the plastic material has lower structural strength and is easy to lose the supporting function; in addition, the optical filter is easily stained in the adhering process, and the imaging effect is affected.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a camera module and mobile terminal for solve the great, lower and unclean problem of light filter of camera module size.
The utility model provides a camera module, includes sensitization chip, supporting seat and light filter, sensitization chip is located in the supporting seat, the supporting seat includes plastic platform and metal frame, the metal frame with the plastic platform combines, the edge embedding of light filter by in the plastic platform cladding.
In the embodiment of the present invention, the plastic platform, the metal frame and the optical filter three are combined together by the insert injection molding process.
The utility model discloses an in the embodiment, the inside wall of plastic platform is equipped with and is used for bearing the first boss and the second boss of light filter, first boss with the second boss is followed the inside wall of plastic platform is inwards extended along circumference and is formed, just first boss with the second boss interval sets up and is in first boss with form the clearance between the second boss, the outer periphery clamp of light filter is established in the clearance.
In an embodiment of the present invention, the metal frame and the optical filter are spaced by a certain distance.
In an embodiment of the present invention, the camera module further includes a lens assembly, the plastic platform includes a bearing portion for bearing the lens assembly, and the lens assembly is connected to the bearing portion; the plastic platform is characterized by further comprising a supporting plate arranged below the bearing part, the supporting plate is arranged at the position where the metal frame is not arranged on the supporting seat, and the supporting plate is fixedly connected to the circuit board.
In an embodiment of the present invention, the metal frame is connected to the circuit board by welding.
In an embodiment of the present invention, the circuit board is provided with a grounding terminal, and the metal frame is connected to the grounding terminal of the circuit board.
The utility model discloses an in the embodiment, the metal frame includes main part board and cardboard, the main part board is the flat board, two the cardboard is located respectively the main part board both ends, the cardboard court main part board lateral buckling to at least partly expose in outside the plastic platform, the last opening that is equipped with of plastic platform, the cardboard is followed the opening part exposes.
The utility model also provides a mobile terminal, including above-mentioned camera module.
The camera module and the mobile terminal provided by the embodiment of the utility model have the advantages that the optical filter is embedded into the plastic table, the plastic table does not need to be separately provided with the position for supporting the optical filter, the gap between the supporting seat and the optical filter can be cancelled, the thickness of the plastic table can be reduced by arranging the metal frame, and the size of the supporting seat in the Y direction is greatly reduced; moreover, the metal frame embedded into the plastic table can greatly enhance the strength of the supporting seat and form a better supporting effect. Meanwhile, the optical filter is embedded into the plastic table, and the optical filter does not need to be additionally fixed in a bonding mode and the like, so that the optical filter is prevented from being polluted in the fixing process. In addition, the optical filter is embedded into the plastic table without being supported by the metal frame, so that when the plastic table, the metal frame and the optical filter are combined together through an insert injection molding process, the optical filter and the metal frame are placed in a mold together, and then the plastic table is formed through direct injection molding, the optical filter does not need to be attached to the metal frame firstly, and the manufacturing process is simpler.
Drawings
Fig. 1 is a schematic structural diagram of a camera module.
Fig. 2 is a partial enlarged view at II in fig. 1.
Fig. 3 is a schematic cross-sectional structure diagram of the camera module according to the first embodiment of the present invention.
Fig. 4 is a partial enlarged view at IV in fig. 3.
Fig. 5 is a schematic structural view of a metal frame of the camera module shown in fig. 3.
Fig. 6 is a schematic structural diagram of a support base of the camera module shown in fig. 3.
Fig. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Fig. 8 is a schematic flow chart illustrating a method for manufacturing a camera module according to an embodiment of the present invention.
Fig. 9 is a schematic view of a metal material tape structure adopted in the method for manufacturing the camera module shown in fig. 8.
Fig. 10 is a schematic structural view of a plastic table formed on the metal tape shown in fig. 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
First embodiment
As shown in fig. 3 and 4, in the present embodiment, the camera module 100 includes a circuit board 10, a photosensitive chip 20, a supporting base 30, an optical filter 40, and a lens assembly 50. The photosensitive chip 20 is disposed on the circuit board 10 and located in the supporting base 30. The supporting base 30 is fixed on the circuit board 10. The filter 40 and the lens assembly 50 are mounted on the supporting base 30, and the filter 40 is located between the photosensitive chip 20 and the lens assembly 50.
The support base 30 comprises a plastic table 31 and a metal frame 32, the metal frame 32 is combined with the plastic table 31, and the edge of the optical filter 40 is embedded into the plastic table 31 and is covered by the plastic table 31. The plastic stage 31, the metal frame 32 and the optical filter 40 may be combined together by an insert molding (insert molding) process, that is, when the plastic stage 31 is formed, the metal frame 32 and the optical filter 40 are placed in a mold, and then a molten plastic material is injected into a cavity of the mold, so that the molten plastic material covers the periphery of the metal frame 32 and the optical filter 40, and the plastic stage 31 is formed after cooling, so that the metal frame 32 and the optical filter 40 are embedded in the plastic stage 31. However, the manner of combining the metal frame 32 and the optical filter 40 to the plastic table 31 is not limited thereto, and for example, the metal frame 32 may be combined to the plastic table 31 by gluing, snapping, screwing or interference fitting, and the optical filter 40 may be wrapped in the plastic table 31.
Specifically, the metal frame 32 is spaced apart from the filter 40 by a certain distance, that is, the metal frame 32 has no supporting function on the filter 40.
Specifically, one end of the metal frame 32 extends from the bottom of the plastic table 31 and is fixedly connected to the circuit board 10. The metal frame 32 can be connected to the circuit board 10 by welding, so that the connection strength between the support seat 30 and the circuit board 10 can be enhanced, and the overall height of the camera module can be reduced by using a welding connection mode compared with a glue fixing mode, thereby being beneficial to miniaturization of the camera module. Furthermore, the circuit board 10 is provided with a ground terminal, and the metal frame 32 is connected to the ground terminal of the circuit board 10, so that interference of the metal frame 32 on radio frequency signals of electronic products such as mobile terminals can be avoided.
The middle part of the plastic platform 31 is provided with a first through hole 101 for light to pass through, and the first through hole 101 penetrates through the plastic platform 31. The filter 40 is located in the first through hole 101 of the plastic table 31, and the photosensitive chip 20 is disposed corresponding to the first through hole 101.
The inner side wall of the plastic table 31 is provided with a first boss 312 and a second boss 313 for bearing the optical filter 40, the first boss 312 and the second boss 313 are formed by horizontally extending from the inner side wall of the plastic table 31 along the circumferential direction inwards, the first boss 312 and the second boss 313 are arranged at intervals, a gap is formed between the first boss 312 and the second boss 313, and the outer periphery of the optical filter 40 is clamped in the gap between the first boss 312 and the second boss 313.
The plastic table 31 includes a bearing portion 34 for bearing the lens assembly 50, and the lens assembly 50 is connected to the bearing portion 34. In this embodiment, the camera module 100 is a fixed focus camera. When the camera module 100 is a fixed-focus camera, the lens assembly 50 includes a lens barrel and a lens group, and the lens barrel is fixed on the supporting base 30 by means of screw connection or gluing. It is understood that in another embodiment, the lens assembly 50 may include a lens and a voice coil motor, the lens is fixedly mounted on a mounting seat of the voice coil motor, one end of a lower spring of the voice coil motor is connected to the mounting seat, the other end of the lower spring is connected to the supporting seat 30, and the lens can move up and down under the driving of the voice coil motor to realize focusing, i.e. the camera module 100 may be a zoom camera. When the camera module 100 is a zoom camera, the lens is movably connected to the supporting base 30 through the voice coil motor. In another embodiment, the camera module 100 can also be a dual-camera module, and two lens assemblies 50 are respectively disposed on the supporting base 30.
In this embodiment, the plastic table 31 further includes a supporting plate 35 disposed below the supporting portion 34, the supporting plate 35 is disposed at a position where the metal frame 32 is not disposed on the supporting seat 30, the supporting plate 35 is connected to the supporting portion 34 and located at an edge of the supporting portion 34, and the supporting plate 35 is fixedly connected to the circuit board 10. Specifically, the support plate 35 is a plate-like structure formed to extend downward perpendicularly to the bearing portion 34. The thickness of the metal frame 32 is smaller than that of the support plate 35, so that the portion of the support base 30 connected to the circuit board 10 is set as the metal frame, which can reduce the size of the camera module.
As shown in fig. 5 and 6, the metal frame 32 includes a main body plate 322 and two clamping plates 324, the main body plate 322 is a flat plate, the two clamping plates 324 are respectively disposed at two ends of the main body plate 322, the clamping plates 324 are bent toward one side of the main body plate 322 and at least partially exposed outside the plastic table 31, an opening 316 is disposed on the plastic table 31, and the clamping plates 324 are exposed from the opening 316. The main board 322 is provided with an opening, and in the insert injection molding process, the plastic material is embedded into the opening, so that the bonding strength between the metal frame 32 and the plastic table 31 can be further enhanced.
In this embodiment, the supporting seat 30 is substantially rectangular, one side of the supporting seat is provided with a metal frame 32, the other three sides of the supporting seat are respectively provided with a supporting plate 35, and the metal frame 32 and the three supporting plates 35 surround to form a rectangle. It is understood that the support base 30 may also include two or more than four metal frames 32, and the number of the support plates 35 is correspondingly reduced; the plastic table 31 may not include the supporting plate 35, and each side of the supporting seat 30 is provided with the metal frame 32. When the number of the metal frames 32 is two or more, the metal frames 32 may be connected as a whole or may be separately disposed, but generally, the metal frames 32 may be connected as a whole for the convenience of processing and positioning. In one embodiment, the metal frame 32 is made of aluminum or iron material by cutting or punching, and the specific material of the metal frame 32 can be freely selected according to actual requirements.
In the camera module of this embodiment, the optical filter 40 is embedded into the plastic stage 31, the plastic stage 31 does not need to separately set the position for supporting the optical filter 40, the gap between the support base 30 and the optical filter 40 can be eliminated, and the thickness of the plastic stage 31 can be reduced by setting the metal frame 32, so that the dimension of the support base 30 in the Y direction is greatly reduced, as shown in fig. 3, the dimension of the support base 30 can be only 0.38 mm. Moreover, the metal frame 32 embedded in the plastic table 31 can greatly enhance the strength of the support seat 30, and a better supporting effect is formed. Meanwhile, the optical filter 40 is embedded into the plastic table 31, and the optical filter 40 does not need to be additionally fixed in a bonding mode or the like, so that the optical filter 40 is prevented from being polluted in the fixing process. In addition, because the optical filter 40 is embedded into the plastic frame 31 without being supported by the metal frame 32, when the plastic frame 31, the metal frame 32 and the optical filter 40 are combined together by an insert injection molding process, the optical filter 40 and the metal frame 32 are only required to be placed in a mold together, and then the plastic frame 31 is formed by direct injection molding, the optical filter 40 does not need to be attached to the metal frame 32 in advance, and the manufacturing process is simpler.
Second embodiment
Fig. 7 is a front view structure diagram of the mobile terminal of the present invention. As shown in fig. 7, the present invention further relates to a mobile terminal 200, in this embodiment, the mobile terminal 200 is a mobile phone, but is not limited thereto, and may also be a tablet computer or a notebook computer, for example. The mobile terminal 200 includes the camera module 100 according to any of the above embodiments. The camera module 100 serves as a front camera of the mobile terminal 200, and is disposed on the top of the screen of the mobile terminal 200. In some embodiments, the camera module 100 may also be used as a rear camera of the mobile terminal 200, which is not limited thereto.
Third embodiment
As shown in fig. 8, a camera module manufacturing method according to an embodiment of the present invention is a camera module manufacturing method for manufacturing the camera module according to the first embodiment, and the camera module manufacturing method includes the following steps:
s11, providing a metal material and the optical filter 40, the metal material including the metal frame 32.
As shown in fig. 9, the metal material may be a metal strip 90, and the metal strip 90 includes two fixing strips 92, and the metal frame 32 is fixed on the fixing strips 92. Specifically, a plurality of sets of metal frames 32 arranged at intervals can be arranged on the fixing band 92, each set of metal frame 32 corresponds to one camera module 100, and each set of metal frame 32 can be one or two or more, so that a plurality of supporting seats 30 can be formed at one time during production. More specifically, the fixing band 92 is provided with positioning holes 922, and at least one positioning hole 922 is provided corresponding to each group of metal frames 32, so as to facilitate positioning when being placed in a mold. In this embodiment, each group of metal frames 32 has one metal frame 32, the metal strip 90 further includes two connecting portions 94, one end of each of the two connecting portions 92 is connected to one of the fixing bands 92, and the metal frame 32 is connected between the two connecting portions 94, so as to fix the metal frame 32 on the metal strip 90. The metal frame 32 includes a main body plate 322 and two clamping plates 324, the main body plate 322 is a flat plate, the two clamping plates 324 are respectively disposed at two ends of the main body plate 322, the clamping plates 324 are bent toward one side of the main body plate 322, and the two clamping plates 324 are respectively connected to the two connecting portions 94.
S13, a mold is provided, and the metal material and the optical filter 40 are set in the mold so that the metal frame 32 is positioned outside the optical filter 40.
S15, as shown in fig. 10, a plastic material is input into the mold to form the plastic table 31, the plastic table 31 is combined with the metal frame 32, and the plastic table 31 covers the edge of the optical filter 40, thereby forming the supporting seat 30. Specifically, the mold may be an injection mold, and plastic material may be injected into the mold to form the plastic table 31 by injection molding. It will be appreciated that the mold may also be a die casting mold, and the plastic table 31 may be formed by die casting.
S17, the metal frame 32 and the connecting portion 94 are separated, so as to separate the plurality of molded supporting seats 30. Specifically, the connection between the clamping plate 324 and the connecting portion 94 is cut off, i.e., the supporting base 30 is separated.
S19, providing the circuit board 10, the photo sensor chip 20 and the lens assembly 50, disposing the photo sensor chip 20 on the circuit board 10, disposing the circuit board 10 at the bottom of the supporting base 30, and connecting the supporting base 30 to the circuit board 10, so that the photo sensor chip 20 is located in the supporting base 30. The lens assembly 50 is disposed on the support base 30.
It is to be understood that the order of step S17 and step S19 may be interchanged, i.e., the camera modules are separated after the circuit board 10, the photosensitive chip 20, and the lens assembly 50 are assembled.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention, and can be modified to various simple variants, and these simple variants all belong to the protection scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (9)
1. The utility model provides a camera module, includes sensitization chip (20), supporting seat (30) and light filter (40), its characterized in that, sensitization chip (20) is located in supporting seat (30), supporting seat (30) include plastic platform (31) and metal frame (32), metal frame (32) with plastic platform (31) combine, the edge embedding of light filter (40) by plastic platform (31) cladding in plastic platform (31), the inside wall of plastic platform (31) is equipped with and is used for bearing first boss (312) and second boss (313) of light filter (40), first boss (312) with second boss (313) are followed the inside wall of plastic platform (31) forms along circumference inside extension, just first boss (312) with second boss (313) interval sets up and is in first boss (312) with form the clearance between second boss (313), the outer periphery of the filter (40) is clamped in the gap.
2. The camera module according to claim 1, wherein the plastic stage (31), the metal frame (32) and the optical filter (40) are combined together by an insert molding process.
3. The camera module of claim 1, wherein the metal frame (32) is spaced apart from the filter (40).
4. The camera module according to claim 1, further comprising a circuit board (10), wherein one end of the metal frame (32) extends out from the bottom of the plastic table (31) and is fixedly connected with the circuit board (10), and the photosensitive chip (20) is disposed on the circuit board (10).
5. The camera module according to claim 4, characterized in that the metal frame (32) is connected to the circuit board (10) by soldering.
6. The camera module according to claim 4, wherein the circuit board (10) is provided with a grounding terminal, and the metal frame (32) is connected to the grounding terminal of the circuit board (10).
7. The camera module of claim 4, wherein the camera module (100) further comprises a lens assembly (50), the plastic table (31) comprises a bearing portion (34) for bearing the lens assembly (50), and the lens assembly (50) is connected to the bearing portion (34); the plastic platform (31) further comprises a supporting plate (35) arranged below the bearing part (34), the supporting plate (35) is arranged at the position where the metal frame (32) is not arranged on the supporting seat (30), and the supporting plate (35) is fixedly connected to the circuit board (10).
8. The camera module according to claim 1, wherein the metal frame (32) comprises a main body plate (322) and two clamping plates (324), the main body plate (322) is a flat plate, the two clamping plates (324) are respectively disposed at two ends of the main body plate (322), the clamping plates (324) are bent toward one side of the main body plate (322) and at least partially exposed outside the plastic platform (31), an opening (316) is disposed on the plastic platform (31), and the clamping plates (324) are exposed from the opening (316).
9. A mobile terminal, characterized in that it comprises a camera module (100) according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396037.5U CN211018940U (en) | 2019-08-26 | 2019-08-26 | Camera module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396037.5U CN211018940U (en) | 2019-08-26 | 2019-08-26 | Camera module and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN211018940U true CN211018940U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921396037.5U Active CN211018940U (en) | 2019-08-26 | 2019-08-26 | Camera module and mobile terminal |
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| CN (1) | CN211018940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493502A (en) * | 2019-08-26 | 2019-11-22 | 昆山丘钛微电子科技有限公司 | Camera module, mobile terminal and camera module manufacturing method |
-
2019
- 2019-08-26 CN CN201921396037.5U patent/CN211018940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493502A (en) * | 2019-08-26 | 2019-11-22 | 昆山丘钛微电子科技有限公司 | Camera module, mobile terminal and camera module manufacturing method |
| CN110493502B (en) * | 2019-08-26 | 2024-08-09 | 昆山丘钛微电子科技有限公司 | Camera module, mobile terminal and manufacturing method of camera module |
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Address after: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee after: Kunshan Qiuti Microelectronics Technology Co.,Ltd. Address before: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee before: KUNSHAN Q TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |