CN204906517U - Module of making a video recording and circuit board thereof - Google Patents
Module of making a video recording and circuit board thereof Download PDFInfo
- Publication number
- CN204906517U CN204906517U CN201520619868.XU CN201520619868U CN204906517U CN 204906517 U CN204906517 U CN 204906517U CN 201520619868 U CN201520619868 U CN 201520619868U CN 204906517 U CN204906517 U CN 204906517U
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- Prior art keywords
- circuit board
- camera module
- thread
- stiffener
- electrically connected
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- Expired - Fee Related
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- 239000003351 stiffener Substances 0.000 claims description 40
- 230000003014 reinforcing effect Effects 0.000 abstract 4
- 238000009434 installation Methods 0.000 abstract 2
- 235000008429 bread Nutrition 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Studio Devices (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The utility model relates to a module of making a video recording and circuit board thereof. This circuit board includes: the first circuit board has relative installation face and connects the face, the reinforcing plate is located and is connected on the face, and second Circuit Board, with a circuit board electrically connected, realize that the signal switches on, wherein, installation bread is drawn together the installing zone that lies in the middle part and is surrounded the zhou bianqu of installing zone, and the installing zone is used for installing the image sensor chip of camera module, zhoubianqu is last have towards the orientation fretwork at reinforcing plate place until the first thread kenozooecium that exposes the reinforcing plate, through first thread kenozooecium, the microscope base of the module of making a video recording can be stable stands on on the position that reinforcing plate and first thread kenozooecium correspond. The microscope base run -off the straight on the circuit board can effectively be avoided assembling by above -mentioned circuit board to the feasible module of making a video recording has better image quality.
Description
Technical field
The utility model relates to technical field of mobile terminals, particularly relates 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.
Utility model content
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 utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent 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 |
|---|---|---|---|
| CN201520619868.XU CN204906517U (en) | 2015-08-17 | 2015-08-17 | Module of making a video recording and circuit board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619868.XU CN204906517U (en) | 2015-08-17 | 2015-08-17 | Module of making a video recording and circuit board thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906517U true CN204906517U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619868.XU Expired - Fee Related CN204906517U (en) | 2015-08-17 | 2015-08-17 | Module of making a video recording and circuit board thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906517U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049696A (en) * | 2015-08-17 | 2015-11-11 | 南昌欧菲光电技术有限公司 | Camera module and circuit board of camera module |
| CN106658950A (en) * | 2017-01-24 | 2017-05-10 | 惠州市德赛西威汽车电子股份有限公司 | Printed circuit board (PCB) with interlaminar jack posts, installation method thereof and vehicle-mounted camera |
| CN108702843A (en) * | 2017-03-24 | 2018-10-23 | 华为技术有限公司 | A kind of printed circuit board arrangement and electronic equipment |
| CN108702431A (en) * | 2016-02-18 | 2018-10-23 | 宁波舜宇光电信息有限公司 | Array camera module and its molding photosensory assembly, circuit board module and manufacturing method and electronic equipment |
-
2015
- 2015-08-17 CN CN201520619868.XU patent/CN204906517U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049696A (en) * | 2015-08-17 | 2015-11-11 | 南昌欧菲光电技术有限公司 | Camera module and circuit board of camera module |
| CN108702431A (en) * | 2016-02-18 | 2018-10-23 | 宁波舜宇光电信息有限公司 | Array camera module and its molding photosensory assembly, circuit board module and manufacturing method and electronic equipment |
| CN106658950A (en) * | 2017-01-24 | 2017-05-10 | 惠州市德赛西威汽车电子股份有限公司 | Printed circuit board (PCB) with interlaminar jack posts, installation method thereof and vehicle-mounted camera |
| CN108702843A (en) * | 2017-03-24 | 2018-10-23 | 华为技术有限公司 | A kind of printed circuit board arrangement and electronic equipment |
| CN108702843B (en) * | 2017-03-24 | 2020-03-10 | 华为技术有限公司 | Printed circuit board structure and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330013, east of Dingxiang Road, north of Longtan Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Co-patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee after: Ophiguang Group Co.,Ltd. Co-patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013, east of Dingxiang Road, north of Longtan Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Co-patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee before: OFilm Tech Co.,Ltd. Co-patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330013, east of Dingxiang Road, north of Longtan Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Co-patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee after: OFilm Tech Co.,Ltd. Co-patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013, east of Dingxiang Road, north of Longtan Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Co-patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. Co-patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200518 Address after: 335000 No.7 road-0006, high tech Industrial Development Zone, Yingtan City, Jiangxi Province Patentee after: Jiangxi oufijuneng IOT Technology Co.,Ltd. Address before: 330013, east of Dingxiang Road, north of Longtan Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Co-patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee before: Ophiguang Group Co.,Ltd. Co-patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |