CN102998765B - Camera module group assembling method and camera module - Google Patents
Camera module group assembling method and camera module Download PDFInfo
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- CN102998765B CN102998765B CN201110275554.9A CN201110275554A CN102998765B CN 102998765 B CN102998765 B CN 102998765B CN 201110275554 A CN201110275554 A CN 201110275554A CN 102998765 B CN102998765 B CN 102998765B
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- camera lens
- microscope base
- camera module
- image sensor
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Abstract
The invention provides a kind of camera module group assembling method, it comprises: provide an imaging modules, a microscope base and a camera lens; This imaging modules comprises a substrate and an image sensor arranged on the substrate; This microscope base arranges on the substrate and covers this image sensor; This camera lens to be contained in this microscope base and to coordinate with this microscope base gap; A groove is being defined jointly away from this substrate one end in the excircle side of this camera lens and the inner periphery side of this microscope base; One curable glue is provided, and this curable glue is coated in this groove; Adjust this camera lens along the position of its axis and inclination angle until this lens focusing in this image sensor and the optical axis of this camera lens overlapping with the centre normal of this image sensor; And solidify this curable glue.Adopt this camera module group assembling method can improve group efficiency and ensure the image quality of the camera module assembled.The present invention also provides a kind of camera module.
Description
Technical field
The present invention relates to a kind of camera module group assembling method and camera module.
Background technology
Camera module generally comprises imaging modules, microscope base and camera lens.Imaging modules comprises substrate and is arranged on the image sensor (imagesensor) on substrate.Microscope base is arranged on substrate, covers image sensor.Lens fixing, in microscope base, aligns with image sensor center.Although be all directly or indirectly arranged on substrate, but, be limited to shaping and assembly precision, image sensor and camera lens usually inconsistent relative to the angle of inclination of substrate, cause the centre normal of image sensor to depart from the optical axis of camera lens, cause image formed by camera module may occur the defects such as half of fuzzy.
For solving the problem, someone proposes to coat curable glue at substrate and microscope base junction, adjustment camera lens inclination angle (namely adjust curable glue diverse location thickness) until the centre normal of image sensor and the optical axis of camera lens overlapping, then cure curable glue, this assemble method is called initiatively alignment method (activealignment).But usually, curable glue generally need adopt UV radiation curing; and substrate is also provided with usually other mechanisms of camera module, can block ultraviolet be irradiated on curable glue, so; to the set time of curable glue be extended, reduce the packaging efficiency of camera module.
In addition, camera module carry out active contraposition last as focus, camera lens is axially adjusted to focusing position along it, but, add the position that the axis along camera lens is changed camera lens by curable glue, cause camera lens to depart from focusing position, the image quality of image camera module, and often can not again focus to camera module after active contraposition, this is because the inclination angle of again focusing again changing camera lens, and the active contraposition before making it was lost efficacy.
If focus to camera module while active contraposition, then due to uncured curable glue be difficult to keep larger thickness, and the position (generally 0-120um between) of camera lens along its axis cannot be adjusted over long distances, this just requires the tolerance of rear Jiao of camera module less (being limited to 120um), that is require higher to rear Jiao of camera module, and this will increase the manufacturing cost of camera module.
Summary of the invention
In view of this, be necessary to provide a kind of camera module group assembling method improving packaging efficiency.
A kind of camera module group assembling method, it comprises:
An imaging modules, a microscope base and a camera lens are provided; This imaging modules comprises a substrate and an image sensor arranged on the substrate; This microscope base arranges on the substrate and covers this image sensor; This camera lens to be contained in this microscope base and to coordinate with this microscope base gap; This microscope base forms an inner periphery side around this camera lens, and this camera lens comprises an excircle side relative with this inner periphery side, and a groove is being defined jointly away from this substrate one end in this inner periphery side and this excircle side;
One curable glue is provided, and this curable glue is coated in this groove;
Adjust this camera lens along the position of its axis and inclination angle until this lens focusing in this image sensor and the optical axis of this camera lens overlapping with the centre normal of this image sensor; And
Solidify this curable glue, be assembled into a camera module.
In addition, the present invention also provides a kind of camera module.
A kind of camera module, it comprises an imaging modules, microscope base, a camera lens and a curable glue.This imaging modules comprises a substrate and an image sensor arranged on the substrate.This microscope base arranges on the substrate and covers this image sensor.This camera lens to be contained in this microscope base and to coordinate with this microscope base gap.This microscope base forms an inner periphery side around this camera lens, and this camera lens comprises an excircle side relative with this inner periphery side, and a groove is being defined jointly away from this substrate one end in this inner periphery side and this excircle side.This curable glue is coated in this groove, and this lens focusing in this image sensor and the optical axis of this camera lens is overlapping with the centre normal of this image sensor time solidify.
Due to, because this groove is arranged away from this substrate, and opening deviates from this substrate, and ultraviolet can this curable glue of direct irradiation, shortens the set time of this curable glue, improves the packaging efficiency of this camera module.On the other hand, owing to allowing to focus and initiatively contraposition simultaneously, the image quality of camera module can be ensured.Finally, due to the position of this camera lens along its axis can be adjusted over long distances, require lower to rear Jiao of this camera module, can by the manufacturing cost of this camera module low.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the camera module group assembling method of first embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of an assembled state of the camera module of first embodiment of the invention.
Fig. 3 is the diagrammatic cross-section of another assembled state of the camera module of Fig. 2.
Fig. 4 is the diagrammatic cross-section that the camera module group assembling of Fig. 2 completes.
Fig. 5 is the diagrammatic cross-section of the camera module of second embodiment of the invention.
Fig. 6 is the diagrammatic cross-section of the camera module of third embodiment of the invention.
Fig. 7 is the vertical view of the camera module of four embodiment of the invention.
Fig. 8 is the diagrammatic cross-section of camera module along VIII-VIII of Fig. 7.
Main element symbol description
Step 100,200,300,400
Camera module 500
Imaging modules 10
Substrate 11
Image sensor 12
Microscope base 20
Inner periphery side 21
Inverted cone face portion 211
Image side end face 22
Thing side end face 23
Image side accepting groove 24
Thing side accepting groove 25
Through hole 26
Cascaded surface 27
First otch 28
First cascaded surface 29
Camera lens 30
Excircle side 31
Lens barrel 32
Fin 321
Gap 322
Eyeglass 33
Second otch 34
Second-order tread 35
Groove 40
Gap 41
Opening 42
Infrared fileter 50
Curable glue 60
Optical axis OO '
Centre normal FF '
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, the camera module group assembling method of first embodiment of the invention comprises:
Step 100 a: imaging modules 10, microscope base 20 and a camera lens 30 are provided.This imaging modules 10 comprises a substrate 11 and an image sensor 12 be arranged on this substrate 11.This microscope base 20 to be arranged on this substrate 11 and to cover this image sensor 12.This camera lens 30 to be contained in this microscope base 20 and to coordinate with this microscope base 20 gap.This microscope base 20 comprises an inner periphery side 21 around this camera lens 30, this camera lens 30 comprises an excircle side 31 relative with this inner periphery side 21, and this inner periphery side 21 is defining a groove 40 with this excircle side 31 jointly away from this substrate 11 one end.
Concrete, this microscope base 20 comprises an image side end face 22 of fitting with this substrate 11 and a thing side end face 23 opposing with this image side end face 22.This image side end face 22 and this thing side end face 23 are all vertical with this inner periphery side 21.This image side end face 22 offers an image side accepting groove 24.This image side accepting groove 24 is square, for accommodating this image sensor 12 being similarly square.This thing side end face 23 offers a thing side accepting groove 25.This thing side accepting groove 25, in cylindric, is similarly this camera lens 30 columned for collecting.Medial surface i.e. this inner periphery side 21 of this thing side accepting groove 25.
This microscope base 20 is also formed with the through hole 26 that is communicated with this thing side accepting groove 25 and this image side accepting groove 24.So, this image side accepting groove 24 can be entered from this through hole 26 by the light of this camera lens 30, and then be projeced in this image sensor 12.
This camera module 500 also comprises the infrared fileter 50 that covers this image sensor 12, for filtering the infrared part of the light entering this image sensor 12 from this camera lens 30, avoids it to affect image quality.Concrete, the infrared fileter 50 of present embodiment is immobilizated in this through hole 26.
Multiple eyeglasses 33 that this camera lens 30 comprises a lens barrel 32 and is contained in this lens barrel 32.Lateral surface i.e. this excircle side 31 of this lens barrel 32.
Be appreciated that to there is a gap 41 between this inner periphery side 21 and this excircle side 31, to allow to carry out Inclination maneuver (please join hereafter) to this camera lens 30.
In present embodiment, this microscope base 20 is formed with this image side end face 22 junction the first otch 28 that a cross section is del in this inner periphery side 21, in other words, this inner periphery side 21 comprises the inverted cone face portion 211 that connects this image side end face 22.This inverted cone face portion 211 forms this groove 40 with this excircle side 31 jointly with its corresponding part.
Be appreciated that so, this groove 40 forms the opening 42 of this substrate 11 dorsad.
Certainly, this groove 40 is not limited to present embodiment.Refer to Fig. 5, second embodiment of the invention forms second otch 34 at this camera lens 30.This groove 40 is made up of this second otch 34.Refer to Fig. 6, third embodiment of the invention forms this first otch 28 and this second otch 34 respectively at this microscope base 20 and this camera lens 30.This groove 40 is made up of with this second otch 34 jointly this first otch 28.Certainly, the shape of this first otch 28 and this second otch 34 is not limited to present embodiment, can be other suitable shapes.
Step 200 a: curable glue 60 (please refer to the drawing 3) is provided, and this curable glue 60 is coated in this groove 40.Concrete, this curable glue 60 is UV curable glue, and is painted into this groove 40 from this opening 42.
Refer to Fig. 7, preferably, in this step 200, only apply four these curable glues 60 to four diverse locations of this groove 40, be convenient to the adjustment of this camera lens 30 follow-up.
Certainly, can be determined by demand, as three or more the number that drip of this curable glue 60.
Step 300: adjust this camera lens 30 along the position of its axis and inclination angle until this camera lens 30 is focused in this image sensor 12 and the optical axis OO ' of this camera lens 30 overlapping with the centre normal FF ' of this image sensor 12 (please refer to the drawing 4).
Particularly, in adjustment process, the constantly imaging of this image sensor 12 can be controlled, and analyze become the overall sharpness of image and the sharpness at four edges thereof.Can assert that this camera lens 30 is focused in this image sensor 12 and the optical axis OO ' of this camera lens is overlapping with the centre normal FF ' of this image sensor when the overall sharpness sharpness that is maximum and four edges of image is identical.
Step 400: solidify this curable glue 60, is assembled into a camera module 500.
Particularly, if only apply four these curable glues 60 in this step 200, then also apply this curable glue 60 after hardening and seal this groove 40, and again solidify this curable glue 60, to avoid exposure.
Refer to Fig. 8, preferably, this lens barrel 32 exposes this thing side accepting groove 25, and includes multiple fin 321.The plurality of fin 321 exposes part the extending radially outwardly along this camera lens 30 of this thing side accepting groove 25 from this excircle side 31.The plurality of fin 321 is along a circumferentially-spaced of this excircle side 31.In present embodiment, the number of the plurality of fin 321 is 12, and be equally spaced (i.e. 30 degree, interval).A gap 322 is formed between every two adjacent fins 321.Four these curable glues 60 put on this groove 40 from three these gaps 322 respectively.So, in the process of solidification four these curable glues 60, four these curable glue 60 irradiation ultraviolet radiations can be aimed at respectively.And when adopting this curable glue 60 seal this groove 40 and solidify, this curable glue 60 can be bonded to this fin 321, so, can increase the bond area of this camera lens 30, improves the cohesive strength between this microscope base 20 and this camera lens.
Preferably, this microscope base 20 can form the first cascaded surface 29 of this substrate 11 dorsad on this inner periphery side 21, and this lens barrel 32 forms a second-order tread 35 towards this first cascaded surface 29 on this excircle side 31.This first cascaded surface 29 coordinates with this second-order tread 35 and can prevent light from injecting this image sensor 12 from this gap 41.
Be appreciated that Fig. 2-6 and Fig. 7 only shows a section of this camera lens 30, this camera lens 30 actual is about optical axis OO ' Rotational Symmetry.This microscope base 20 is also about its central shaft (figure does not mark) Rotational Symmetry.This imaging modules 10 is the rectangle about section symmetry.
Due to, because this groove 40 is arranged away from this substrate 11, and this opening 42 deviates from this substrate 11, and ultraviolet can this curable glue 60 of direct irradiation, shortens the set time of this curable glue 60, improves the packaging efficiency of this camera module 500.
On the other hand, owing to allowing to focus and initiatively contraposition simultaneously, the image quality of this camera module 500 can be ensured.Finally, due to the position of this camera lens 30 along its axis can be adjusted over long distances, require lower to rear Jiao of this camera module 500, can by the manufacturing cost of this camera module 500 low.
In a word; those skilled in the art will be appreciated that; above embodiment is only used to the present invention is described; and be not used as limitation of the invention; as long as within spirit of the present invention, the suitable change do above embodiment and change all drop within the scope of protection of present invention.
Claims (10)
1. a camera module group assembling method, it comprises:
An imaging modules, a microscope base and a camera lens are provided; This imaging modules comprises a substrate and an image sensor arranged on the substrate; This microscope base arranges on the substrate and covers this image sensor; This camera lens is contained in this microscope base and coordinates with this microscope base gap; This microscope base comprises an inner periphery side around this camera lens, and this camera lens comprises an excircle side relative with this inner periphery side, and a groove is being defined jointly away from this substrate one end in this inner periphery side and this excircle side;
One curable glue is provided, and this curable glue is coated in this groove;
Adjust this camera lens along the position of its axis and inclination angle until this lens focusing is in this image sensor and the optical axis of this camera lens is overlapping with the centre normal of this image sensor; And
Solidify this curable glue.
2. camera module group assembling method as claimed in claim 1, is characterized in that, before this set-up procedure, only apply many these curable glues to this groove; After these many curable glues of solidification, be again coated with this curable glue and seal this groove, and again solidify this curable glue.
3. camera module group assembling method as claimed in claim 2, it is characterized in that, this camera lens stretches out this microscope base, and comprise the multiple fin that extend radially outwardly of part along this camera lens showing out this microscope base from this outer circumferential sides, the plurality of fin was arranged along a circle spacing of this excircle side, form a gap between every two adjacent fins, these many curable glues put on this groove from this gap of multiple correspondence respectively.
4. camera module group assembling method as claimed in claim 1, it is characterized in that, this set-up procedure comprises:
Control the continuous imaging of this image sensor; And
Analyze institute become the overall sharpness of image and the sharpness at four edges thereof until ought become the overall sharpness of image maximum and sharpness that is its four edge is identical.
5. a camera module, it comprises an imaging modules, microscope base, a camera lens and a curable glue; This imaging modules comprises a substrate and an image sensor arranged on the substrate; This microscope base arranges on the substrate and covers this image sensor; This camera lens to be contained in this microscope base and to coordinate with this microscope base gap; This microscope base comprises an inner periphery side around this camera lens, and this camera lens comprises an excircle side relative with this inner periphery side, and a groove is being defined jointly away from this substrate one end in this inner periphery side and this excircle side; This curable glue is coated in this groove, and this camera lens through adjustment axial location and inclination angle until focus in this image sensor and the optical axis of this camera lens is overlapping with the centre normal of this image sensor time solidify.
6. camera module as claimed in claim 5, it is characterized in that, this microscope base is formed with first otch in this inner periphery side and this end face junction, image side, and this first otch forms this groove.
7. camera module as claimed in claim 5, it is characterized in that, this camera lens forms second otch, and this groove is made up of this second otch.
8. camera module as claimed in claim 5, it is characterized in that, this microscope base is formed with first otch in this inner periphery side and this end face junction, image side, and this camera lens forms second otch, and this groove is made up of this first otch and this second otch.
9. camera module as claimed in claim 5, it is characterized in that, this camera lens stretches out this microscope base, and comprise the multiple fin that extend radially outwardly of part along this camera lens showing out this microscope base from this outer circumferential sides, the plurality of fin was arranged along circle spacing of this excircle side, formed a gap between every two adjacent fins.
10. camera module as claimed in claim 5, is characterized in that, this microscope base forms the first cascaded surface of this substrate dorsad on this inner periphery side, and this lens barrel forms a second-order tread towards this first cascaded surface on this excircle side; This first cascaded surface coordinates with this second-order tread and can prevent light from injecting this image sensor from this gap.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110275554.9A CN102998765B (en) | 2011-09-16 | 2011-09-16 | Camera module group assembling method and camera module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110275554.9A CN102998765B (en) | 2011-09-16 | 2011-09-16 | Camera module group assembling method and camera module |
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| CN102998765A CN102998765A (en) | 2013-03-27 |
| CN102998765B true CN102998765B (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3477935A4 (en) * | 2016-06-23 | 2020-02-26 | Ningbo Sunny Opotech Co., Ltd. | Fixed-focus photographing module and focusing device and method thereof |
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| KR20150144077A (en) * | 2014-06-16 | 2015-12-24 | 삼성전기주식회사 | Apparatus for focus adjustment and bonding of camera module and method for focus adjustment and bonding of camera module using the same |
| CN105842960A (en) * | 2015-01-13 | 2016-08-10 | 宁波舜宇光电信息有限公司 | Image module group, lens seat structure, and design method for lens seat structure |
| CN106338803A (en) * | 2015-07-14 | 2017-01-18 | 宁波舜宇光电信息有限公司 | Glue coating method used in AA manufacturing process and application thereof in camera-shooting module |
| CN106937028B (en) * | 2015-12-30 | 2020-09-18 | 南昌欧菲光电技术有限公司 | Camera module assembly method and camera module |
| CN107295225B (en) * | 2016-04-12 | 2020-07-10 | 三星电机株式会社 | Camera module |
| CN107544195A (en) * | 2016-06-23 | 2018-01-05 | 宁波舜宇光电信息有限公司 | Focus camera module and its focus control and focus adjustment method |
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| CN106454095A (en) * | 2016-10-21 | 2017-02-22 | 上海与德信息技术有限公司 | Photographing method and device |
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| CN107404604B (en) * | 2017-01-16 | 2019-01-18 | 南昌欧菲光电技术有限公司 | Assemble method and camera mould group |
| CN107241594A (en) * | 2017-06-30 | 2017-10-10 | 上海与德科技有限公司 | The acquisition methods of electronic equipment, the calibration method of camera and calibration parameter |
| CN107702695B (en) * | 2017-09-26 | 2020-05-12 | 歌尔股份有限公司 | Method for testing relative position of camera module lens and image sensor |
| CN112630922B (en) * | 2020-11-30 | 2022-11-11 | 江西联创电子有限公司 | Lens module and assembling method thereof |
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| JPS61223716A (en) * | 1985-03-28 | 1986-10-04 | Olympus Optical Co Ltd | Holder for optical parts |
| JP4004705B2 (en) * | 2000-02-29 | 2007-11-07 | 松下電器産業株式会社 | Imaging device and imaging device assembling method |
| CN100445789C (en) * | 2004-05-25 | 2008-12-24 | 鸿富锦精密工业（深圳）有限公司 | Lens module fixing arrangement and method |
| JP4254765B2 (en) * | 2005-08-31 | 2009-04-15 | ミツミ電機株式会社 | The camera module |
| CN101303443A (en) * | 2007-05-11 | 2008-11-12 | 鸿富锦精密工业（深圳）有限公司 | Camera module group and assembling method thereof |
| JP2009244787A (en) * | 2008-03-31 | 2009-10-22 | Fujinon Corp | Lens assembly, bonding method, and imaging apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3477935A4 (en) * | 2016-06-23 | 2020-02-26 | Ningbo Sunny Opotech Co., Ltd. | Fixed-focus photographing module and focusing device and method thereof |
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