CN103576420A - Camera module and manufacturing method thereof - Google Patents
Camera module and manufacturing method thereof Download PDFInfo
- Publication number
- CN103576420A CN103576420A CN201210278032.9A CN201210278032A CN103576420A CN 103576420 A CN103576420 A CN 103576420A CN 201210278032 A CN201210278032 A CN 201210278032A CN 103576420 A CN103576420 A CN 103576420A
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- liquid crystal
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- conducting wire
- crystal lens
- lens
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- Camera Bodies And Camera Details Or Accessories (AREA)
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Abstract
The invention relates to a camera module. The camera module comprises a lens module, a soft and hard composite circuit board and welding points. The lens module comprises a lens base, a liquid crystal lens, conducting circuits and a drive unit. The lens base comprises a top face, a bottom face, a containing cavity and a side face, wherein the top face and the bottom face are opposite, the containing cavity penetrates through the top face and the bottom face, and the side face is connected with the top face and the bottom face. The liquid crystal lens is contained in the containing cavity. A containing groove is formed in the side face. The conducting circuits are arranged on the top face and the side face, are electrically connected with the liquid crystal lens and comprise welding ends on the side face. The soft and hard composite circuit board comprises a hard board and a soft board. The bottom face is supported on the hard board. The soft board is connected with the hard board and comprises a free end. The drive unit is supported on the soft board and is electrically connected with the soft board. The soft board is bent to drive the drive unit to be contained in the containing groove. The welding points are connected with the welding ends and the free end to make the drive unit and the liquid crystal lens be electrically connected and drive the liquid crystal lens. The invention further relates to a manufacturing method of the camera module.
Description
Technical field
The present invention relates to imaging technique, relate in particular to the manufacture method of a kind of camera model and a kind of camera model.
Background technology
At present, camera model is used and has the liquid crystal lens of focus adjustment function as the means of zoom.In general, liquid crystal lens demand motive unit drives realizes zoom function.Therefore, how liquid crystal lens and driver element realization electric connection are become to problem demanding prompt solution.
Summary of the invention
In view of this, be necessary to provide the manufacture method of a kind of camera model and a kind of camera model, it can realize the electric connection between liquid crystal lens and driver element.
, it comprises camera lens module, flexible-rigid compound circuit board and solder joint.This camera lens module comprises microscope base, liquid crystal lens, conducting wire and driver element.This microscope base comprises end face, the bottom surface relative with this end face, the side of running through the host cavity of this end face and this bottom surface and connecting this end face and this bottom surface.This side opening is provided with accepting groove.This liquid crystal lens is contained in this host cavity.This conducting wire is arranged at this end face and Shang，Gai conducting wire, this side is electrically connected this liquid crystal lens and this conducting wire comprises the welding end being positioned on this side.This flexible-rigid compound circuit board comprises hardboard and bent soft board.This bottom surface is carried on this hardboard.This soft board is connected and comprises a free end with this hardboard.This driver element is positioned on this soft board and with this soft board and is electrically connected, and this soft board bending is contained in this accepting groove this driver element.This solder joint connects this welding end and this free end drives this liquid crystal lens so that this driver element and this liquid crystal lens are electrically connected.
A manufacture method for camera model, it comprises the following steps: flexible-rigid compound circuit board is provided, and this flexible-rigid compound circuit board comprises hardboard and bent soft board, and this soft board is connected and comprises a free end with this hardboard; Camera lens module is provided, this camera lens module comprises microscope base, liquid crystal lens, conducting wire and carrying and is electrically connected at the driver element on this soft board, this microscope base comprises end face, the bottom surface relative with this end face, the side of running through the host cavity of this end face and this bottom surface and connecting this end face and this bottom surface, this side opening is provided with accepting groove, this liquid crystal lens is contained in this host cavity, this conducting wire is arranged at this end face and Shang，Gai conducting wire, this side is electrically connected this liquid crystal lens and this conducting wire comprises the welding end being positioned on this side; This bottom surface being arranged on this hardboard and bending this soft board is contained in this accepting groove this driver element; This free end is connected with this welding end by welding manner.
Compared to prior art, this camera model and this camera model manufacture method utilize solder joint connecting welding end and free end to realize the electric connection of flexible-rigid compound circuit board and liquid crystal lens, thereby have reached the electric connection between liquid crystal lens and driver element.Meanwhile, driver element and solder joint are hidden in the accepting groove of side, have not only dwindled the volume of camera model, and can make the more compact structure of camera model, and outward appearance is more attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of a kind of camera model of providing of embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of the camera model of Fig. 1.
Fig. 3 is the schematic perspective view of circuit board of the camera model of Fig. 1.
Fig. 4 is the diagrammatic cross-section of the camera model of Fig. 1.
Main element symbol description
| |
100 |
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10 |
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12 |
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120 |
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122 |
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124 |
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126 |
| Accepting |
128 |
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14 |
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15 |
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152 |
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154 |
| Conducting |
16 |
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162 |
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17 |
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18 |
| Flexible-rigid |
20 |
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22 |
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24 |
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240 |
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242 |
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244 |
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246 |
| Via |
248 |
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30 |
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40 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, will be described in further detail embodiment of the present invention.
Refer to Fig. 1 to Fig. 3, the camera model 100 that first embodiment of the invention provides comprises a camera lens module 10, flexible-rigid compound circuit board 20, image sensor 30 and four solder joints 40.
This camera lens module 10 comprises a microscope base 12, liquid crystal lens 14, driver element 15, conducting wire 16, lens barrel 17 and a lens combination 18.
This microscope base 12 is roughly cuboid structure, and it comprises an end face 122, bottom surface 124 and a side 126.This end face 122 lays respectively at this bottom surface 124 two ends that this microscope base 12 is relative.Vertical this end face 122 and this bottom surface 124 of connecting, this side 126.This microscope base 12 offers the host cavity 120 that runs through this end face 122 and this bottom surface 124.On this side 126, offer accepting groove 128.
This liquid crystal lens 14 is contained in this host cavity 120.This driver element 15 is arranged on this flexible-rigid compound circuit board 20 and for driving this liquid crystal lens 14 zooms.This driver element 15 comprises the driving chip 152 and a plurality of relevant electronic package 154 that drive these liquid crystal lens 14 zooms.
This conducting wire 16 is arranged on this end face 122 and extends to this side 126.This conducting wire 16 comprises welding end 162, and in present embodiment, the quantity of welding end 162 is 4.This side 126 is parallel with the optical axis of this camera lens module 10.This conducting wire 16 is by 3D stereo circuit processing procedure, as laser direct forming (Laser Direct Structuring, LDS) technology is formed on this end face 122 and this side 126.In this manufacture process, the thermoplastics that the material selection laser of this microscope base 12 can activate, as half aromatic polyamide, thermoplastic polyester (PBT, PET and composition thereof), cross-linked PBT (Polybutylenterephathalate), LCP (liquid crystal polymer), and PC/ABS (polycarbonate/acrylonitrile/Butadiene/Styrene) etc.These thermoplastic plastics are made to the microscope base 12 of required form by injection moulding process.Utilize Ear Mucosa Treated by He Ne Laser Irradiation layout path with generation conducting wire 16 on the end face 122 of this microscope base 12 and the precalculated position of side 126.Clean this microscope base 12 with this layout path is to remove the chip of Laser Processing, then carry out organic copper facing immersion to form conducting wire 16, if desired thicker copper layer, can directly carry out common plating copper facing, can also carry out nickel plating, gold, tin, tin/lead, silver, silver/palladium etc., to meet special application requirements.
This lens barrel 17 is contained in this host cavity 120, and this liquid crystal lens 14 is extremely arranged in order as side direction with the thing side of this lens barrel 17 along this camera lens module 10.This lens combination 18 is contained in this lens barrel 17.This lens combination 18 comprises one or more lens of being made by glass or plastics, and this lens combination 18 and this liquid crystal lens 14 form the imaging lens group of these camera models 100.The change of these liquid crystal lens 14 focal lengths causes the change of the effective focal length of this imaging lens group, and then realizes the optical zoom function of this camera model 100.Certainly, in other embodiments, this imaging lens group can only be comprised of liquid crystal lens 14 and not comprise lens combination 18, and this reality that depends on this camera model 100 is required.
This flexible-rigid compound circuit board 20 comprises a hardboard 22 and a bent soft board 24.This image sensor 30 is carried on this hardboard 22 and with this hardboard 22 and is electrically connected.This bottom surface 124 is also carried on this hardboard 22 and this image sensor 30 is contained in this host cavity 120.This liquid crystal lens 14, this lens barrel 17 and this image sensor 30 are extremely arranged in order as side direction along the thing side of this camera lens module 10.
Incorporated by reference to Fig. 4, this soft board 24 is connected and comprises a free end 240, first surface 242, second surface 244 and eight pads 246 with this hardboard 22.This first surface 242 is relative with this side 126 and opposing with this second surface 244.This driver element 15 is carried on this first surface 242 and with this soft board 24 and is electrically connected.These eight pads 246 are distributed on this first surface 242 and this second surface 244 and are positioned on this free end 240, and wherein, four pads 246 are distributed on this first surface 242, and other four pads 246 are distributed on this second surface 244.This first surface 242 is corresponding between two with the pad 246 on this second surface 244.On this free end 240, offer four corresponding welding ends 162 of 248, one via holes of via hole 248 that run through this first surface 242 and this second surface 244.Each via hole 248 is for being communicated with two pads 246 corresponding on this first surface 242 and this second surface 244.These soft board 24 bendings are contained in this accepting groove 128 this driver element 15.
This solder joint 40 connects pad 246 on these welding ends 162 and this first surface 242 so that this flexible-rigid compound circuit board 20 is electrically connected at this liquid crystal lens 14 by this conducting wire 16, and then makes this driver element 15 and this liquid crystal lens 14 be electrically connected and can drive this liquid crystal lens 14.
This camera model 100 utilizes solder joint 40 to connect pad 246 and corresponding conducting wire 16, has reached the electric connection of liquid crystal lens 14 with flexible-rigid compound circuit board 20, thereby has realized the electric connection between liquid crystal lens 14 and driver element 15.Meanwhile, driver element 15 and solder joint 40 are hidden in the accepting groove 128 of side 126, have not only dwindled the volume of camera model 100, and can make the more compact structure of camera model 100, and outward appearance is more attractive in appearance.
Second embodiment of the invention provides a kind of manufacture method of above-mentioned camera model 100, and it comprises the following steps:
Flexible-rigid compound circuit board 20 and tin cream are provided, this flexible-rigid compound circuit board 20 comprises hardboard 22 and bent soft board 24, this soft board 24 is connected and comprises the second surface 244 that a free end 240, first surface 242 and and first surface 242 are opposing with this hardboard 22, on this free end 240, offer four through the via hole 248 of this first surface 242 and this second surface 244, on this first surface 242 and this second surface 244 and with the corresponding section, two ends of each via hole 248, pad 246 is set;
Apply tin cream to the pad 246 on this first surface 242;
The bottom surface of this microscope base 12 124 being arranged on this hardboard 22 and bending this soft board 24 makes this driver element 15 be contained in this accepting groove 128 and make via hole 248 corresponding one by one with welding end 162;
Heat this tin cream so that this tin cream connects this welding end 162 to the pad 246 on this first surface 242; And
Cooling this tin cream is to form the solder joint 40 that connects this welding end 162 and this pad 246.
Wherein, this tin cream is being coated in the step of this pad 246, can be by using stencil printer that tin cream is coated to this pad 246 in SMT (surface mounted technology) processing procedure.In the step of this tin cream of heating, can use welding gun to pass via hole 248 and heat on tin cream, make tin cream climb up conducting wire 16 by the tin ability of climbing (Wetting ability) of self and reach spot welding effect.
Provide the step of camera lens module 10 to comprise:
The thermoplastics that laser can be activated is made microscope base 12 by injection moulding process;
Utilize Ear Mucosa Treated by He Ne Laser Irradiation layout path with generation conducting wire 16 on the precalculated position of this end face 122 and this side 126;
Clean this this microscope base 12 with this layout path;
This microscope base 12 after clean is placed in to electrolytic etching of metal liquid to carry out electroless plating and comprises this welding end 162 to form 16，Gai conducting wire, this conducting wire 16 in this layout path; And
The manufacture method of the camera model 100 that present embodiment provides, utilize solder joint 40 to connect pad 246 and corresponding conducting wire 16, reach the electric connection of liquid crystal lens 14 with flexible-rigid compound circuit board 20, thereby realized the electric connection between liquid crystal lens 14 and driver element 15.Meanwhile, driver element 15 and solder joint 40 are hidden in the accepting groove 128 of side 126, have not only dwindled the volume of camera model 100, and can make the more compact structure of camera model 100, and outward appearance is more attractive in appearance.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection domain of the claims in the present invention.
Claims (9)
1. a camera model, it comprises camera lens module, flexible-rigid compound circuit board and solder joint, this camera lens module comprises microscope base, liquid crystal lens, conducting wire and driver element, this microscope base comprises end face, the bottom surface relative with this end face, the side of running through the host cavity of this end face and this bottom surface and connecting this end face and this bottom surface, this side opening is provided with accepting groove, this liquid crystal lens is contained in this host cavity, this conducting wire is arranged on this end face and this side, this conducting wire is electrically connected this liquid crystal lens and this conducting wire comprises the welding end being positioned on this side, it is characterized in that, this flexible-rigid compound circuit board comprises hardboard and bent soft board, this bottom surface is carried on this hardboard, this soft board is connected and comprises a free end with this hardboard, this driver element is positioned on this soft board and with this soft board and is electrically connected, this soft board bending is contained in this accepting groove this driver element, this solder joint connects this welding end and this free end drives this liquid crystal lens so that this driver element and this liquid crystal lens are electrically connected.
2. camera model as claimed in claim 1, it is characterized in that, this soft board comprise the first surface relative with this side, with opposing second surface and a plurality of pad of this first surface, the plurality of pad is distributed in accordingly between two on this first surface and this second surface and is positioned at this free end, on this free end, offer a plurality of via holes, each via hole is communicated with two pads corresponding on this first surface and this second surface, and this solder joint connects this pad on this welding end and this first surface.
3. camera model as claimed in claim 2, it is characterized in that, this camera lens module also comprises lens barrel and is contained in the lens combination in this lens barrel, and this lens barrel is contained in this host cavity, and this liquid crystal lens and this lens barrel are along the thing side of this camera lens module to being arranged in order as side direction.
4. camera model as claimed in claim 3, it is characterized in that, this camera model also comprises image sensor, this image sensor is carried on this hardboard and with this hardboard and is electrically connected, this image sensor is contained in this host cavity, and this liquid crystal lens, this lens barrel and this image sensor are extremely arranged in order as side direction along the thing side of this camera lens module.
5. camera model as claimed in claim 1, is characterized in that, this conducting wire is to be formed on this microscope base by 3D stereo circuit processing procedure.
6. a manufacture method for camera model, it comprises the following steps:
Flexible-rigid compound circuit board is provided, and this flexible-rigid compound circuit board comprises hardboard and bent soft board, and this soft board is connected and comprises a free end with this hardboard;
Camera lens module is provided, this camera lens module comprises microscope base, liquid crystal lens, conducting wire and carrying and is electrically connected at the driver element on this soft board, this microscope base comprises end face, the bottom surface relative with this end face, the side of running through the host cavity of this end face and this bottom surface and connecting this end face and this bottom surface, this side opening is provided with accepting groove, this liquid crystal lens is contained in this host cavity, this conducting wire is arranged at this end face and Shang，Gai conducting wire, this side is electrically connected this liquid crystal lens and this conducting wire comprises the welding end being positioned on this side;
This bottom surface being arranged on this hardboard and bending this soft board is contained in this accepting groove this driver element; And
This free end is connected with this welding end by welding manner.
7. the manufacture method of camera model as claimed in claim 6, is characterized in that, this soft board comprise first surface and with the opposing second surface of this first surface, provide the step of this flexible-rigid compound circuit board to comprise:
On this free end, offer a plurality of via holes through this first surface and this second surface, and on this first surface and this second surface and with the corresponding section, two ends of each via hole, pad is set; And
Apply tin cream to the pad on this first surface.
8. the manufacture method of camera model as claimed in claim 7, is characterized in that, this free end is comprised with the step that this welding end is connected by welding manner:
Heat this tin cream so that this tin cream connects this welding end to the pad on this first surface; And
Cooling this tin cream is to form the solder joint that connects the pad on this welding end and this first surface.
9. the manufacture method of camera model as claimed in claim 6, is characterized in that, provides the step of this camera lens module to comprise:
The thermoplastics that laser can be activated is made this microscope base by injection moulding process;
Utilize Ear Mucosa Treated by He Ne Laser Irradiation layout path with generation conducting wire on the precalculated position of this end face and this side;
Clean this this microscope base with this layout path;
This microscope base after clean is placed in to electrolytic etching of metal liquid to carry out electroless plating and comprises this welding end to form ，Gai conducting wire, this conducting wire in this layout path; And
This liquid crystal lens is contained in this host cavity and makes this liquid crystal lens and the electric connection of this conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278032.9A CN103576420A (en) | 2012-08-07 | 2012-08-07 | Camera module and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278032.9A CN103576420A (en) | 2012-08-07 | 2012-08-07 | Camera module and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103576420A true CN103576420A (en) | 2014-02-12 |
Family
ID=50048498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210278032.9A Pending CN103576420A (en) | 2012-08-07 | 2012-08-07 | Camera module and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103576420A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9681032B1 (en) | 2015-03-17 | 2017-06-13 | Amazon Technologies, Inc. | Imager module with molded packaging |
| US9848111B1 (en) | 2015-03-17 | 2017-12-19 | Amazon Technologies, Inc. | Imager module with molded packaging |
| CN113783002A (en) * | 2020-06-09 | 2021-12-10 | 三赢科技（深圳）有限公司 | Protection connector and lens module |
| WO2022088420A1 (en) * | 2020-10-28 | 2022-05-05 | 诚瑞光学(深圳)有限公司 | Lens driving device |
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| US20080267603A1 (en) * | 2007-04-26 | 2008-10-30 | Samsung Electro-Mechanics Co., Ltd. | Auto-focusing camera module having liquid lens |
| TW200903069A (en) * | 2007-07-13 | 2009-01-16 | Creative Sensor Inc | Method of assembling auto-focusing module of liquid lens |
| CN100545689C (en) * | 2007-04-10 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | The camera module |
| US20110134303A1 (en) * | 2009-12-07 | 2011-06-09 | Samsung Electronics Co., Ltd. | Image pickup device and manufacturing method thereof |
| TW201219875A (en) * | 2010-11-15 | 2012-05-16 | Hon Hai Prec Ind Co Ltd | Lens module, camera module and method for making lens module |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100545689C (en) * | 2007-04-10 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | The camera module |
| US20080267603A1 (en) * | 2007-04-26 | 2008-10-30 | Samsung Electro-Mechanics Co., Ltd. | Auto-focusing camera module having liquid lens |
| TW200903069A (en) * | 2007-07-13 | 2009-01-16 | Creative Sensor Inc | Method of assembling auto-focusing module of liquid lens |
| US20110134303A1 (en) * | 2009-12-07 | 2011-06-09 | Samsung Electronics Co., Ltd. | Image pickup device and manufacturing method thereof |
| TW201219875A (en) * | 2010-11-15 | 2012-05-16 | Hon Hai Prec Ind Co Ltd | Lens module, camera module and method for making lens module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9681032B1 (en) | 2015-03-17 | 2017-06-13 | Amazon Technologies, Inc. | Imager module with molded packaging |
| US9848111B1 (en) | 2015-03-17 | 2017-12-19 | Amazon Technologies, Inc. | Imager module with molded packaging |
| CN113783002A (en) * | 2020-06-09 | 2021-12-10 | 三赢科技（深圳）有限公司 | Protection connector and lens module |
| CN113783002B (en) * | 2020-06-09 | 2023-09-12 | 三赢科技（深圳）有限公司 | Protection connector and lens module |
| WO2022088420A1 (en) * | 2020-10-28 | 2022-05-05 | 诚瑞光学(深圳)有限公司 | Lens driving device |
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