CN104811598A - Lens assembly machining method, camera module and mobile terminal - Google Patents
Lens assembly machining method, camera module and mobile terminal Download PDFInfo
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- CN104811598A CN104811598A CN201510206115.0A CN201510206115A CN104811598A CN 104811598 A CN104811598 A CN 104811598A CN 201510206115 A CN201510206115 A CN 201510206115A CN 104811598 A CN104811598 A CN 104811598A
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- lens assembly
- mould
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- mobile terminal
- camera module
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Abstract
The invention relates to a lens assembly machining method, a camera module and a mobile terminal. The lens assembly is used for forming a camera module of the mobile terminal. The machining method includes manufacturing a die matched with preset shape parameters according to the preset shape parameters of the lens assembly, conducting highlighting processing on the area to be machined corresponding to the top face of the lens assembly in the die to obtain a molding die, and conducting injection molding through the molding die to acquire the lens assembly. By means of the technical scheme, the lens assembly and the surface of the mobile terminal can present the consistent visual effect, and the requirement for concentricity during assembly of a camera assembly can be reduced.
Description
Technical field
The disclosure relates to terminal camera technical field, particularly relates to the processing method of lens assembly, camera module and mobile terminal.
Background technology
Along with the technical development of mobile terminal, increasing mobile terminal installs camera module, to meet taking pictures or shooting demand of user.On the shell of mobile terminal, need to offer the circular hole with the lens assembly adaptation of camera module, so that camera lens module is found a view by this circular hole.
Summary of the invention
The disclosure provides the processing method of lens assembly, camera module and mobile terminal, to solve the deficiency in correlation technique.
According to the first aspect of disclosure embodiment, provide a kind of processing method of lens assembly, described lens assembly is for forming the camera module of mobile terminal, and the method comprises:
According to the preset shape parameter of lens assembly, make the mould with described preset shape match parameters;
High light process is carried out to the region to be processed of the end face corresponding to described lens assembly in described mould, obtains mould;
Injection moulding is carried out to described mould, obtains described lens assembly.
Optionally, the mould of described making and described preset shape match parameters, comprising:
According to described preset shape parameter, process initial workpiece by Digit Control Machine Tool; And
Spark machined is carried out to described initial workpiece, obtains described mould.
Optionally, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Sanding and polishing process is carried out to described region to be processed.
Optionally, to utilize in following instrument one of at least, perform described sanding and polishing process:
Oilstone, sand paper, antiscuffing paste, wool are taken turns.
Optionally, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Precision turning process is carried out to described region to be processed.
Optionally, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Electroforming process is carried out to described region to be processed.
According to the second aspect of disclosure embodiment, a kind of camera module is provided, comprises: the processing method of the lens assembly according to any one of technique scheme makes the lens assembly obtained.
According to the third aspect of disclosure embodiment, a kind of mobile terminal is provided, comprises: the camera module according to any one of technique scheme.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
The disclosure is by when processing the lens assembly of camera module, high light process is carried out to the region to be processed at the top corresponding to lens assembly in module, make the end face of the lens assembly produced thus correspondingly can be rendered as specular removal fruit, thus make the case surface of the end face of lens assembly and mobile terminal all be rendered as specular removal fruit, contribute to reducing camera module concentricity requirement when mounted, avoid the overall appearance degree of slight error to mobile terminal to impact.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows and meets embodiment of the present disclosure, and is used from specification one and explains principle of the present disclosure.
Fig. 1 is that camera module coordinates schematic diagram with the assembling of mobile terminal case.
Fig. 2 is that camera module group assembling is to the close-up schematic view in mobile terminal.
Fig. 3 is the flow chart of the processing method of a kind of lens assembly according to an exemplary embodiment.
Fig. 4 is the structural representation of the lens assembly according to an exemplary embodiment.
Fig. 5 is that camera module group assembling according to an exemplary embodiment is to the close-up schematic view in mobile terminal.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is that camera module coordinates schematic diagram with the assembling of mobile terminal case, as shown in Figure 1, inner at the shell 1 of mobile terminal, form the accommodation space for placing the functional part such as mainboard, battery, after these functional parts are rationally assembled in this accommodation space, merit can completely mobile terminal can be obtained.Similarly, by being assembled in by camera module 2 in the accommodation space of shell 1 inside, the image collecting functions such as the acquisition of this mobile terminal is taken pictures, shooting can be made; Wherein, in order to make camera module realize IMAQ smoothly, needing on shell 1, form a through hole 11, making the lens assembly 20 of camera module 2 can realize IMAQ by this through hole 11.
The top of lens assembly 20 comprises camera lens 20A and is positioned at the end face 20B around this camera lens 20A, by by the through hole 11 in camera lens 20A alignment housings 1, camera module 2 can be made to realize image collecting function.Usually, the aperture of through hole 11 should be greater than the diameter of camera lens 20A, the situation producing displacement between camera lens 20A and through hole 11, cause camera lens 20A to be blocked is caused to occur with factors such as the vibrations in the trickle skew (namely camera lens 20A does not overlap with the center of circle of through hole 11, i.e. " decentraction ") avoiding may existing in assembling process, use procedure.
For ease of illustrating, Fig. 2 shows camera module 2 and is assembled to close-up schematic view in mobile terminal.As shown in Figure 2, after camera module 2 is assembled to shell 1 inside, the aperture due to through hole 11 is greater than the diameter of camera lens 20A, and thus user can observe camera lens 20A and end face 20B from through hole 11 simultaneously.Due in correlation technique in the technological process of production of lens assembly 20, be finally adopt spark machined mode process and obtain end face 20B, cause the surface of end face 20B for the textured shown in Fig. 2; And camera lens 20A adopts glass, be rendered as highlight effect, so user very easily can tell camera lens 20A and end face 20B.
Meanwhile, what the shell 1 of mobile terminal surface also adopted usually is the transparent materials such as glass, and namely shell 1 is also rendered as highlight effect; Therefore, when camera module group assembling is inner to mobile terminal, direct, strong visual contrast is presented between the grain effect of the end face 20B of the highlight effect of camera lens 20A, lens assembly 20 and the highlight effect of shell 1 by causing, even if when making to exist between camera lens 20A and through hole 11 slight " decentraction " phenomenon being difficult to avoid, also be easy to be observed by user, thus affect the overall appearance degree of mobile terminal.
Therefore, present disclosure proposes the improvement by the processing technology to lens assembly 20, to solve above shortcomings in correlation technique.Wherein, Fig. 3 is the flow chart of the processing method of a kind of lens assembly according to an exemplary embodiment, and described lens assembly is for forming the camera module of mobile terminal; As shown in Figure 3, the method can comprise the following steps.
In step 302, according to the preset shape parameter of lens assembly, make the mould with described preset shape match parameters.
In the present embodiment, Fig. 4 shows the structural representation of lens assembly.As shown in Figure 4, lens assembly 20 is a part for the camera module 2 shown in Fig. 1, and lens assembly 20 comprises camera lens 20A and end face 20B; Wherein, when camera module 2 is assembled to the accommodation space of shell 1 (as shown in Figure 1) inside of mobile terminal, user can observe camera lens 20A and end face 20B from the through hole 11 shell 1.
In the present embodiment, the production method for mould is identical with correlation technique; The preset shape parameter of lens assembly 20, can comprise the parameter such as height, section radius length defined in design process in advance, can complete the making of mould according to these parameters.As an illustrative embodiments, such as first can process initial workpiece by Digit Control Machine Tool, then by the mode of spark machined, initial workpiece is processed as mould; Now, this mould is identical with the mould in correlation technique, and as shown in Figure 2, the end face 20B of this lens assembly 20 is grain effect to the lens assembly 20 namely directly produced by this mould.
In step 304, high light process is carried out to the region to be processed of the end face corresponding to described lens assembly in described mould, obtains mould.
In the present embodiment, mould can comprise die cavity (Cavity) part and core (Core) part, is respectively used to the outer surface and the inner surface that form lens assembly 20.Therefore, the region to be processed of the end face 20B of lens assembly 20 corresponds to the cavity portion of mould, can, by the high light process to cavity portion, make the end face 20B produced be specular removal fruit.In technical scheme of the present disclosure, can be accomplished in several ways high light process, the disclosure does not limit this; Wherein, below several possible treatment process is described.
As an illustrative embodiments, machining area can be treated and carry out sanding and polishing process.For example, can to utilize in following instrument one of at least, perform described sanding and polishing process: oilstone, sand paper, antiscuffing paste, wool wheel etc.
As another illustrative embodiments, machining area can be treated and carry out precision turning process.
As another illustrative embodiments, machining area can be treated and carry out electroforming process.
Within step 306, injection moulding is carried out to described mould, obtain described lens assembly.
In the present embodiment, carry out high light process owing to corresponding to the region of end face in mould, thus the end face of lens assembly that obtains of the injection moulding also correspondingly fruit in specular removal.As shown in Figure 5, when camera module group assembling is after the accommodation space of mobile terminal case 1 inside, because camera lens 20A ', end face 20B ' and shell 1 are all rendered as specular removal fruit, even if make " decentraction " that exist between camera lens 20A ' and through hole 11 to a certain degree, user is also not easy (situation relative to shown in Fig. 2) finds, thus concentricity (the concentric degree between camera lens with the through hole) requirement reduced when camera module is installed, avoid impacting the overall appearance degree of mobile terminal.
Meanwhile, present disclosure proposes a kind of camera module, the processing method comprising the lens assembly according to any one of above-described embodiment makes the lens assembly obtained; And a kind of mobile terminal, comprises this camera module.
Those skilled in the art, at consideration specification and after putting into practice disclosed herein disclosing, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (8)
1. a processing method for lens assembly, described lens assembly is for forming the camera module of mobile terminal, and it is characterized in that, the method comprises:
According to the preset shape parameter of lens assembly, make the mould with described preset shape match parameters;
High light process is carried out to the region to be processed of the end face corresponding to described lens assembly in described mould, obtains mould;
Injection moulding is carried out to described mould, obtains described lens assembly.
2. method according to claim 1, is characterized in that, the mould of described making and described preset shape match parameters, comprising:
According to described preset shape parameter, process initial workpiece by Digit Control Machine Tool; And
Spark machined is carried out to described initial workpiece, obtains described mould.
3. method according to claim 1, is characterized in that, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Sanding and polishing process is carried out to described region to be processed.
4. method according to claim 3, is characterized in that, to utilize in following instrument one of at least, performs described sanding and polishing process:
Oilstone, sand paper, antiscuffing paste, wool are taken turns.
5. method according to claim 1, is characterized in that, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Precision turning process is carried out to described region to be processed.
6. method according to claim 1, is characterized in that, high light process is carried out in the region to be processed of the described end face to corresponding to described lens assembly in described mould, comprising:
Electroforming process is carried out to described region to be processed.
7. a camera module, is characterized in that, the processing method comprising the lens assembly according to any one of claim 1-6 makes the lens assembly obtained.
8. a mobile terminal, is characterized in that, comprises camera module as claimed in claim 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510206115.0A CN104811598B (en) | 2015-04-27 | 2015-04-27 | Processing method, camera module and the mobile terminal of lens assembly |
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| CN201510206115.0A CN104811598B (en) | 2015-04-27 | 2015-04-27 | Processing method, camera module and the mobile terminal of lens assembly |
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| CN104811598B CN104811598B (en) | 2019-07-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106217772A (en) * | 2016-07-22 | 2016-12-14 | 深圳天珑无线科技有限公司 | Injection mold part manufacture method, injection mold part and injection mold |
| CN107896294A (en) * | 2017-10-27 | 2018-04-10 | 广东欧珀移动通信有限公司 | Lens assembly, camera and electronic equipment |
| CN107966817A (en) * | 2017-12-13 | 2018-04-27 | 深圳市虚拟现实科技有限公司 | Flexible mobile terminal virtual reality head is shown |
| CN114488654A (en) * | 2022-03-18 | 2022-05-13 | 福州鑫图光电有限公司 | Diffuse reflection structure of scientific grade CMOS camera and processing method and equipment thereof |
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| CN106217772A (en) * | 2016-07-22 | 2016-12-14 | 深圳天珑无线科技有限公司 | Injection mold part manufacture method, injection mold part and injection mold |
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| CN114488654A (en) * | 2022-03-18 | 2022-05-13 | 福州鑫图光电有限公司 | Diffuse reflection structure of scientific grade CMOS camera and processing method and equipment thereof |
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| CN104811598B (en) | 2019-07-16 |
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