CN105049696A - Camera module and circuit board of camera module - Google Patents
Camera module and circuit board of camera module Download PDFInfo
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- CN105049696A CN105049696A CN201510504910.8A CN201510504910A CN105049696A CN 105049696 A CN105049696 A CN 105049696A CN 201510504910 A CN201510504910 A CN 201510504910A CN 105049696 A CN105049696 A CN 105049696A
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- circuit board
- camera module
- stiffener
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- electrically connected
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Abstract
The invention relates to a camera module and a circuit board of the camera module. The circuit board comprises a first circuit board, a reinforcing board and a second circuit board, wherein the first circuit board is provided with an installing surface and a connecting surface which are opposite; the reinforcing board is arranged on the connecting surface; the second circuit board is electrically connected with the first circuit board, and realizes the signal conduction; the installing surface comprises an installing region positioned in the middle part and a peripheral region surrounding the installing region; the installing region is used for installing an image sensing chip of the camera module; a first hollow part hollowing in a direction towards the reinforcing board until the reinforcing board is exposed out is formed in the peripheral region; and through the first hollow part, a lens seat of the camera module can stably stand on a position, corresponding to the first hollow part, of the reinforcing board. The circuit board has the advantages that the lens seat assembled on the circuit board can be effectively prevented from being inclined, so that the camera module has good imaging quality.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly relate to a kind of camera module and wiring board thereof.
Background technology
As shown in Figure 1, camera module 10 generally includes microscope base 11, filter 12, circuit board 13, image sensing chip 14 and camera lens (not shown).Microscope base 11 has the loophole 15 running through its upper and lower two surfaces, and filter 12 is located in loophole 15, and one end of microscope base 11 is located at by circuit board 13, and the host cavity 16 that circuit board 13, filter 12 and microscope base 11 coordinate formation one airtight.Image sensing chip 14 is located on circuit board 13, and is contained in host cavity 16.Camera lens is located on microscope base 11 one end away from circuit board 13.
Due to internal layer circuit designing requirement, circuit board 13 upper surface (surface be connected with microscope base 11) has corresponding lines, projection etc., result in after microscope base 11 is assembled in circuit board 13 upper surface, the central shaft of microscope base 11 departs from the positive vertical direction on circuit board 13 surface, namely the central shaft being arranged at the camera lens on microscope base 11 departs from the positive vertical direction on circuit board 13 surface, and then affects image quality.Also namely circuit board 13 upper surface evenness is uneven, slightly can tilt, affect the image quality of camera module after causing microscope base 11 to be assembled in circuit board 13 upper surface.
Summary of the invention
Based on this, be necessary to provide a kind of camera module and the wiring board thereof that effectively can avoid the microscope base run-off the straight be assembled on circuit board.
A wiring board for camera module, comprising:
First circuit board, has relative installed surface and joint face;
Stiffener, is located on described joint face; And
Second circuit board, is electrically connected with first circuit board, realizes signal conduction;
Wherein, described installed surface comprises the installing zone in the middle part of being positioned at and the surrounding zone around described installing zone, described installing zone is for installing the image sensing chip of camera module, described surrounding zone have towards the direction hollow out at described stiffener place until expose the first empty portion of thread of described stiffener, by the described first empty portion of thread, stable the standing on the described stiffener position corresponding with the described first empty portion of thread of microscope base energy of camera module.
Carry out hollow out process to the part of its periphery district of first circuit board, until expose stiffener, when assembling microscope base on first circuit board, by the first empty portion of thread, what microscope base can be stable stands on the stiffener position corresponding with the first empty portion of thread.First circuit board needs wiring, its surface smoothness is uncontrollable, and stiffener does not need wiring, and its evenness is controlled.Therefore, microscope base is stood on stiffener, stand on first circuit board compared to by microscope base, there is better evenness, thus can effectively avoid microscope base to produce relative to first circuit board the problem of inclination, effectively can improve the image quality of camera module.Therefore above-mentioned camera module has good image quality.And, microscope base is stood on stiffener, stand on first circuit board compared to by microscope base, be beneficial to the height reducing whole camera module.
Wherein in an embodiment, described surrounding zone also has the connecting portion for being electrically connected with described second circuit board, described second circuit board one end is electrically connected with described connecting portion, and be positioned within region that described first circuit board and described stiffener determine, the other end is positioned at outside the region that described first circuit board and described stiffener determine, for being electrically connected with the external circuit board.
Wherein in an embodiment, described surrounding zone is made up of the described first empty portion of thread and described connecting portion.
Wherein in an embodiment, described installed surface has two pad areas, a part for each pad area is positioned at described surrounding zone, and another part is positioned at described installing zone, described two pad areas are respectively equipped with pad, and described pad is used for being electrically connected with the two pins of the voice coil motor of camera module.
Wherein in an embodiment, described surrounding zone is made up of the first empty portion of thread, described connecting portion and the described pad area of part.
Wherein in an embodiment, the middle part of described connecting portion is formed with the second hollow-out parts.
Wherein in an embodiment, described first circuit board is printed circuit board (PCB), and described second circuit board is flexible PCB, and described second circuit board is provided with golden finger or connector away from one end of described first circuit board.
A kind of camera module, comprising:
Above-mentioned wiring board;
Image sensing chip, is located on described installing zone, and is electrically connected with described first circuit board; And
Microscope base, there is relative first end and the second end, and run through the loophole of described first end and described second end, described first end has the forced section corresponding with the described first empty portion of thread and the escape groove formed of caving in towards the direction at described second end place, what described forced section was stable stands on described stiffener, the bottom land of described escape groove contacts with described installed surface, and described image sensing chip is contained in described loophole.
Wherein in an embodiment, be tightly connected by glue-line between the bottom land of described escape groove and described installed surface.
Wherein in an embodiment, described camera module also comprises filter, and described filter is placed in described loophole, and and described image sensing chip interval.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional camera module;
Fig. 2 is the structural representation of the camera module of an execution mode;
Fig. 3 is the vertical view of the installed surface of wiring board;
Fig. 4 is the vertical view of the installed surface of wiring board in another execution mode;
Fig. 5 is structural representation second circuit board being assembled with connector;
Fig. 6 is the profile of the side at connecting portion place;
Fig. 7 is the exploded view of Fig. 6.
Embodiment
Below in conjunction with drawings and the specific embodiments, camera module and wiring board thereof are described further.
As shown in Figure 2, the camera module 20 of an execution mode, comprises wiring board 100, image sensing chip 200, microscope base 300, filter 400 and lens assembly 500.Wherein, camera module 20 is auto-focus structure, and lens assembly 500 comprises voice coil motor 510 and is placed in the camera lens 520 in voice coil motor 510.
As shown in Figures 2 and 3, wiring board 100 comprises first circuit board 110, stiffener 120 and second circuit board 130.
First circuit board 110 has relative installed surface 112 and joint face (figure does not mark).
Stiffener 120 is located on joint face.In the present embodiment, stiffener 120 is square, and stiffener 120 is stainless steel substrates.Be appreciated that in other embodiments, stiffener 120 also can be rounded, and the material of stiffener 120 is also not limited to stainless steel, has higher surface smoothness and have stronger intensity.
Second circuit board 130 and first circuit board 110 are electrically connected, and realize signal conduction.
Wherein, installed surface 112 comprises the installing zone 111 in the middle part of being positioned at and the surrounding zone 113 around installing zone 111.Installing zone 111 is for installing image sensing chip 200 and various electric elements 115.Surrounding zone 113 has towards the direction hollow out at stiffener 110 place until expose the first empty portion 1132 of thread of stiffener 110.By the first empty portion 1132 of thread, what microscope base 300 can be stable stands on stiffener 120 position corresponding with the first empty portion 1132 of thread.Concrete, in the present embodiment, by the first thread 1132, empty portion glue, microscope base 300 is pasted by glue and is fixed on stiffener 120 with on the first position that empty portion 1132 is corresponding in detail.
It should be noted that, what microscope base 300 energy was stable stands on stiffener 120 position corresponding with the first empty portion 1132 of thread, refer to that the number in the first empty portion 1132 of thread is at least two, and the arrangement mode demand fulfillment in the first empty portion 1132 of thread " what microscope base 300 can be stable stands on stiffener 120 position corresponding with the first empty portion 1132 of thread " this requirement.
In the present embodiment, installing zone 111 comprises first 111a in the middle part of being positioned at and second 111b around first 111a, and second 111b is between first 111a and surrounding zone 113.First 111a is for installing image sensing chip 400, and second 111b is provided with various electric elements 115.
Hollow out process is carried out to the part of its periphery district 113 of first circuit board 110, until expose stiffener 120, when assembling microscope base 300 on first circuit board 110, by the first empty portion 1132 of thread, what microscope base 300 can be stable stands on stiffener 120 position corresponding with the first empty portion 1132 of thread.First circuit board 110 needs wiring, its surface smoothness is uncontrollable, and stiffener 120 does not need wiring, and its evenness is controlled.Therefore, microscope base 300 is stood on stiffener 120, stand on first circuit board 110 compared to by microscope base 300, there is better evenness, thus can effectively avoid microscope base 300 to produce relative to first circuit board 110 the problem of inclination, effectively can improve the image quality of camera module 20.Therefore above-mentioned camera module 20 has good image quality.And, microscope base 300 is stood on stiffener 120, stand on first circuit board 110 compared to by microscope base 300, be beneficial to the height reducing whole camera module 20.
Camera module using electronic products such as mobile phone, flat board, computers as application vector, in the present embodiment, makes first circuit board 110 be electrically connected with the circuit board of application vector by second circuit board 130 usually.Also namely by second circuit board 130, first circuit board 110 is electrically connected with the external circuit board.
In the present embodiment, surrounding zone 113 also has the connecting portion 1134 for being electrically connected with second circuit board 130.Second circuit board 130 one end is electrically connected with connecting portion 1134, and be positioned within region that first circuit board 110 and stiffener 120 determine, second circuit board 130 other end is positioned at outside the region that first circuit board 110 and stiffener 120 determine, for being electrically connected with the external circuit board.Concrete, in the present embodiment, second circuit board 130 is fixedly connected with first circuit board 110.In other embodiments, second circuit board 130 also can be connected with first circuit board 110 is pluggable.
In the present embodiment, connecting portion 1134 is continuous print one monoblock.As shown in Figure 4, in other embodiments, the middle part of connecting portion 1134 is formed with the second hollow-out parts 1133.Because the Main Function of connecting portion 1134 is, for first circuit board 110 and second circuit board 130 provide signal bridge, connecting portion 1134 is a monoblock or comprises multiple contiguous block be intervally arranged and can realize its bridge function.Connecting portion 1134 in Fig. 4 comprises the both sides that two contiguous blocks, 1135, two contiguous blocks 1135 are distributed in the second hollow-out parts 1133.
Further, in the present embodiment, installed surface 112 have two pad areas 117.A part for each pad area 117 is positioned at surrounding zone 113, and another part is positioned at installing zone 111.Two pad areas 117 are respectively equipped with pad 140.Pad 140 is for being electrically connected with the two pins (not shown) of voice coil motor 510.
Further, in the present embodiment, surrounding zone 113 is made up of the first empty portion 1132 of thread, connecting portion 1134 and part pad area 117.Also, after namely surrounding zone 113 removes connecting portion 1134 and part pad area 117, remaining part is all the first empty portion 1132 of thread.In the present embodiment, camera module 20 is auto-focus structure, and microscope base 300 is preferably support.
Be appreciated that in other embodiments, when camera module is non-automatic focusing structural, can contain the lens barrel substitute tone coil motor 510 of eyeglass with inside, lens barrel does not need to be electrically connected with first circuit board 110, and lens barrel and support can be one-body molded.Now, pad 140 and pad area 117 can omit, and surrounding zone 113 can only be made up of the first empty portion 1132 of thread and connecting portion 1134.
Further, in the present embodiment, surrounding zone 113 is in square ring-type, two pad areas 117 are positioned at two adjacent corners, the common edge in these two corners is the first limit 1172, and connecting portion 1134 is located at adjacent with the first limit 1172 middle part (i.e. first circuit board 120 be connected with second circuit board 130 the middle part on one side).
Further, as shown in Figure 5, in the present embodiment, first circuit board 110 is printed circuit board (PCB), and second circuit board 130 is flexible PCB.Second circuit board 130 is provided with connector 132 away from one end of first circuit board 110, is connected with external circuit by connector 132.Be appreciated that in other embodiments, also golden finger can be set on second circuit board 130 one end away from first circuit board 110, be connected with external circuit by golden finger.
Further, in the present embodiment, the second circuit board 130 soft or hard composite part 136 that comprises soft board portion 134 and be connected with one end, soft board portion 134.Soft board portion 134 is connected with first circuit board 110, and golden finger or connector 132 are located on soft or hard composite part 136.
As shown in Figures 2 and 3, image sensing chip 200 is located on installing zone 111, and is electrically connected with first circuit board 110.
As shown in Figure 2, Figure 6 and Figure 7, microscope base 300 has relative first end 310 and the second end 320, and runs through the loophole 330 of first end 310 and the second end 320.First end 310 has the forced section 312 corresponding with the first empty portion 1132 of thread and the escape groove 314 formed of caving in towards the direction at the second end 320 place.What forced section 312 was stable stands on stiffener 120, and the bottom land of escape groove 314 contacts with the installed surface 112 of first circuit board 110.Image sensing chip 200 is contained in loophole 330.
In the present embodiment, the number of escape groove 314 is three, and respectively with connecting portion 1134, and two places are corresponding with the installed surface 112 between installing zone 111 at a pad area 117.In the execution mode shown in Fig. 4, the number of escape groove 314 is four, and respectively with two, connecting portion 1134 place contiguous block 1135, and two places are corresponding with the installed surface between installing zone 111 at a pad area 117.Be appreciated that in other embodiments, the number of escape groove 314 can be six, ten etc., and concrete number is determined according to the number in the first empty portion 1132 of thread.
Further, in the present embodiment, be tightly connected by glue-line between the bottom land of escape groove 314 and installed surface 112.Concrete, in the present embodiment, between the bottom land and installed surface 112 of escape groove 314, apply black glue, thus form glue-line.
Further, in the present embodiment, in order to make the first end 310 of microscope base 300 seal with wiring board 100, being tightly connected by glue-line between the madial wall of escape groove 314 and forced section 312, being tightly connected by glue-line between forced section 312 and stiffener 120.
Filter 400 is placed in loophole 330, and and image sensing chip 200 interval.Concrete, filter 400 is cutoff filter.In the present embodiment, be tightly connected by glue-line between filter 400 and microscope base 300, thus the host cavity that wiring board 100, microscope base 300 and filter 400 coordinate formation one airtight.
Voice coil motor 510 is located on the second end 320 of microscope base 300.And the pin of voice coil motor 510 rests on the outer wall of microscope base 100, pin is electrically connected with pad 140 away from one end of voice coil motor 510.In the present embodiment, be tightly connected by glue-line between voice coil motor 510 and the second end 320 of microscope base 300.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a wiring board for camera module, is characterized in that, comprising:
First circuit board, has relative installed surface and joint face;
Stiffener, is located on described joint face; And
Second circuit board, is electrically connected with first circuit board, realizes signal conduction;
Wherein, described installed surface comprises the installing zone in the middle part of being positioned at and the surrounding zone around described installing zone, described installing zone is for installing the image sensing chip of camera module, described surrounding zone have towards the direction hollow out at described stiffener place until expose the first empty portion of thread of described stiffener, by the described first empty portion of thread, stable the standing on the described stiffener position corresponding with the described first empty portion of thread of microscope base energy of camera module.
2. the wiring board of camera module according to claim 1, it is characterized in that, described surrounding zone also has the connecting portion for being electrically connected with described second circuit board, described second circuit board one end is electrically connected with described connecting portion, and be positioned within region that described first circuit board and described stiffener determine, the other end is positioned at outside the region that described first circuit board and described stiffener determine, for being electrically connected with the external circuit board.
3. the wiring board of camera module according to claim 2, is characterized in that, described surrounding zone is made up of the described first empty portion of thread and described connecting portion.
4. the wiring board of camera module according to claim 2, it is characterized in that, described installed surface have two pad areas, a part for each pad area is positioned at described surrounding zone, another part is positioned at described installing zone, described two pad areas are respectively equipped with pad, and described pad is used for being electrically connected with the two pins of the voice coil motor of camera module.
5. the wiring board of camera module according to claim 4, is characterized in that, described surrounding zone is made up of the first empty portion of thread, described connecting portion and the described pad area of part.
6. the wiring board of camera module according to claim 2, is characterized in that, the middle part of described connecting portion is formed with the second hollow-out parts.
7. the wiring board of camera module according to claim 2, it is characterized in that, described first circuit board is printed circuit board (PCB), and described second circuit board is flexible PCB, and described second circuit board is provided with golden finger or connector away from one end of described first circuit board.
8. a camera module, is characterized in that, comprising:
Wiring board according to any one of claim 1-7;
Image sensing chip, is located on described installing zone, and is electrically connected with described first circuit board; And
Microscope base, there is relative first end and the second end, and run through the loophole of described first end and described second end, described first end has the forced section corresponding with the described first empty portion of thread and the escape groove formed of caving in towards the direction at described second end place, what described forced section was stable stands on described stiffener, the bottom land of described escape groove contacts with described installed surface, and described image sensing chip is contained in described loophole.
9. camera module according to claim 8, is characterized in that, is tightly connected between the bottom land of described escape groove and described installed surface by glue-line.
10. camera module according to claim 8, is characterized in that, described camera module also comprises filter, and described filter is placed in described loophole, and and described image sensing chip interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504910.8A CN105049696A (en) | 2015-08-17 | 2015-08-17 | Camera module and circuit board of camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504910.8A CN105049696A (en) | 2015-08-17 | 2015-08-17 | Camera module and circuit board of camera module |
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| Publication Number | Publication Date |
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| CN105049696A true CN105049696A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504910.8A Withdrawn CN105049696A (en) | 2015-08-17 | 2015-08-17 | Camera module and circuit board of camera module |
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| CN (1) | CN105049696A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107483692A (en) * | 2017-08-22 | 2017-12-15 | 广东欧珀移动通信有限公司 | Cover assembly, casing assembly, processing method of casing assembly, and mobile terminal |
| CN107995398A (en) * | 2017-12-15 | 2018-05-04 | 信利光电股份有限公司 | Camera module and electronic equipment applied to electronic equipment |
| CN108012066A (en) * | 2018-01-10 | 2018-05-08 | 重庆市天实精工科技有限公司 | A kind of high pixel modular structure and production technology |
| WO2020043132A1 (en) * | 2018-08-28 | 2020-03-05 | 南昌欧菲光电技术有限公司 | Support, camera module and mobile terminal |
| WO2021003960A1 (en) * | 2019-07-11 | 2021-01-14 | 南昌欧菲光电技术有限公司 | Support frame, camera module, and electronic device terminal |
| CN113141441A (en) * | 2020-01-17 | 2021-07-20 | 晋城三赢精密电子有限公司 | Camera module and electronic device thereof |
| CN113381565A (en) * | 2021-06-24 | 2021-09-10 | 苏州昀冢电子科技股份有限公司 | Base assembly and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107483692A (en) * | 2017-08-22 | 2017-12-15 | 广东欧珀移动通信有限公司 | Cover assembly, casing assembly, processing method of casing assembly, and mobile terminal |
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| CN113381565A (en) * | 2021-06-24 | 2021-09-10 | 苏州昀冢电子科技股份有限公司 | Base assembly and manufacturing method thereof |
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Address after: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Applicant after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Applicant after: Nanchang OFilm Tech. Co.,Ltd. Applicant after: OFilm Tech Co.,Ltd. Applicant after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Applicant before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: Shenzhen OFilm Tech Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Applicant after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Applicant after: Nanchang OFilm Tech. Co.,Ltd. Applicant after: Ophiguang Group Co.,Ltd. Applicant after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Applicant before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: OFilm Tech Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20211015 Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi Jinghao optics Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Applicant before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: Ophiguang Group Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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Application publication date: 20151111 |
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| WW01 | Invention patent application withdrawn after publication |