CN103412389A - Lens module and electronic device using same - Google Patents
Lens module and electronic device using same Download PDFInfo
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- CN103412389A CN103412389A CN2013103198109A CN201310319810A CN103412389A CN 103412389 A CN103412389 A CN 103412389A CN 2013103198109 A CN2013103198109 A CN 2013103198109A CN 201310319810 A CN201310319810 A CN 201310319810A CN 103412389 A CN103412389 A CN 103412389A
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- lens barrel
- teat
- camera lens
- microscope base
- image sensor
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Abstract
The invention provides a lens module which is used for preventing dust from falling in an image sensor. The lens module comprises a lens and a lens base, wherein the lens comprises a lens barrel provided with an optic and a optical filter, one end of the lens barrel extends in the radial direction of the lens barrel to form a dustproof structure, the dustproof structure can prevent the dust from directly falling in the surface of the image sensor, the lens and the lens base are connected through threads, and the lens is contained in the hollow lens base. Due to the fact that the end of the lens extends in the radial direction of the lens to form the dustproof structure, particles and dust which are generated by friction in the contact position of the lens and the lens base can not fall in the surface of the image sensor, and image quality is effectively improved. Meanwhile, the invention provides an electronic device using the lens module.
Description
Technical field
The present invention relates to the camera technique field, particularly relate to a kind of camera lens module and apply the electronic equipment of this camera lens module.
Background technology
Along with the development of multimedia technology, electronic product is multifunction increasingly, and the camera lens module is widely used in the consumption electronic products such as mobile phone, notebook computer, digital camera and personal digital assistant.
Due to technique and price problem, sometimes usually need by the camera lens module coupling that carries infrared filter by the image sensor (sensor) of chip on board (Chip On Board, COB) packaged type encapsulation.The camera lens module generally comprises camera lens and microscope base, and camera lens is to be connected by engage thread with microscope base.
When but the mode of being threaded connection connects, in the process of assembling, due to camera lens, contact with microscope base and produce friction, thereby the screw thread contact position can produce particle or dust, the particle of generation and dust are difficult to control.In addition; because camera lens is to carry infrared filter (being that infrared filter not is arranged in microscope base); if adopt COB sensor; the particle and the dust that now produce can directly drop in the light-sensitive surface of sensor; cause less particle or dust also can on screen, show, affect the quality of image.
Summary of the invention
Based on this, be necessary directly to drop and in the image sensor surface, affect the problem of picture quality for the particle produced and dust, a kind of camera lens module is provided and applies the electronic equipment of this camera lens module.
A kind of camera lens module, drop in image sensor be used to preventing dust, comprising:
Camera lens, comprise lens barrel, and described lens barrel is tubular, in described lens barrel, is provided with eyeglass and optical filter, and an end of described lens barrel extends to form dustproof construction along the radial direction of described lens barrel, and described dustproof construction can prevent that dust from directly dropping in the image sensor surface; And
Microscope base, described microscope base and described camera lens are threaded connection, and described microscope base is hollow form, and described camera lens is contained in described microscope base.
In embodiment, the sidewall of described lens barrel is provided with external thread therein, and described microscope base is provided with internal thread, and described external thread and described internal thread are complementary; The described dustproof construction teat that to be described lens barrel extend to form along the radial direction of described lens barrel near an end of described image sensor.
In embodiment, the periphery of described teat is connected to the madial wall of described microscope base therein.
In embodiment, described teat offers groove towards a surface of described lens barrel therein, and described groove can be collected dust or the particle that connection of thread drops.
In embodiment, in described groove, the sidewall relative with described lens barrel is inclined-plane therein.
In embodiment, the angular range that the axial direction of described inclined-plane and described lens barrel forms is 30 degree～60 degree therein.
Therein in embodiment, the sidewall of described microscope base is provided with external thread, described lens barrel extends to form the first teat away from an end of described image sensor along the radial direction of described lens barrel, described the first teat extends to form the second teat away from an end of described lens barrel along the axial direction that is parallel to described lens barrel, described the second teat is provided with internal thread, described internal thread and described external thread are complementary, and described the first teat and the second teat form described dustproof construction.
Therein in embodiment, between the side wall upper part of described microscope base and lower sidewall, be formed with kink, described external thread is arranged at described microscope base side wall upper part, described the second teat is relative with described kink interval, between described the second teat and described kink, scribble cementing agent, described cementing agent is adhered to described microscope base by described the second teat.
In embodiment, the sidewall of described lens barrel and the madial wall of described microscope base are spaced therein.
A kind of electronic equipment, comprise circuit board, image sensor and camera lens module as previously discussed, and described image sensor is positioned at the bottom of described camera lens module, and described image sensor is electrically connected to described circuit board.
Above-mentioned camera lens module and apply the electronic equipment of this camera lens module, image sensor is electrically connected to circuit board, image sensor is positioned at the bottom of microscope base, microscope base is threaded connection mode with camera lens and is connected, and camera lens is contained in the accepting groove of microscope base, because the end of camera lens has extended to form dustproof construction along the radial direction of camera lens, so can not drop in the surface of image sensor at the fricative particle of camera lens and microscope base contact position and dust, effectively improved the quality of image.
The accompanying drawing explanation
Fig. 1 is the structural representation of camera lens module in the first embodiment;
Fig. 2 is the sectional view of camera lens module shown in Figure 1;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
Fig. 4 is the structural representation at another visual angle of lens barrel shown in Figure 1;
Fig. 5 is the structural representation of camera lens module in the second embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to intension of the present invention, so the present invention is not subjected to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have simultaneously centering elements.
Unless otherwise defined, all technology of using of this paper and scientific terminology are with to belong to the implication that those skilled in the art of the present invention understand usually identical.The term used in instructions of the present invention herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Referring to Fig. 1 to Fig. 4, is the camera lens module 100 in the first embodiment.Electronic equipment in one embodiment, comprise circuit board, image sensor 300 and this camera lens module 100.Particularly, this electronic equipment can be digital camera, mobile phone, notebook computer or personal digital assistant etc.Because this electronic equipment is equipped with camera lens module 100, so can take pictures, make a video recording etc.
Light arrives image sensor 300 and produces signal of video signal via the eyeglass 114 in lens barrel 112 and optical filter, microscope base 120, is electrically connected to and signal of video signal is transferred on the circuit board of electronic equipment with the connector on circuit board by image sensor 300.
One end of lens barrel 112 extends to form dustproof construction along the radial direction of lens barrel 112; dustproof construction can prevent that connection of thread from directly dropping in the surface of image sensor 300 because of particle and the dust that friction produces; avoid the image shown that particle or dust shape are arranged, thereby improved the quality of image.
Refer to Fig. 1, in the first embodiment, the sidewall of lens barrel 112 is provided with external thread 112a, and microscope base 120 is provided with internal thread 120a, and external thread 112a and internal thread 120a are complementary, and camera lens 110 is connected by engage thread with microscope base 120.The dustproof construction teat 116 that to be lens barrel 112 extend to form along the radial direction of lens barrel 112 near an end of image sensor 300, so teat 116 is one-body molded with lens barrel 112.Be conducive to reduce manufacture difficulty, save simultaneously number of assembling steps, the assembly error produced while avoiding because of assembling.
Because above-mentioned camera lens module 100 is provided with dustproof construction, dustproof construction is one-body molded with lens barrel 112, and the dustproof construction teat 116 that to be lens barrel 112 extend to form along the radial direction of lens barrel 112 near an end of image sensor 300, so in assembling process, need first camera lens 110 up to be assembled from microscope base 120 bottoms, and then the camera lens module 100 that will assemble is connected with circuit board.Some can drop on microscope base 120 outsides to connection of thread because of fricative particle and dust, and some may be concealed in connection of thread, in user's use procedure, may drop in image sensor 300 surfaces.Dustproof construction now is set, and particle and dust, in dropping process, touch teat 116 and stop at teat 116 surfaces, and particle and dust are prevented from continuing to fall, therefore can avoid particle and dust to fall within image sensor 300 surfaces, affect the quality of image.
Refer to Fig. 2, in the first embodiment, the periphery of teat 116 is connected to the madial wall of microscope base 120.The periphery of teat 116 is connected to the madial wall of microscope base 120, illustrates that teat 116 is larger at the width that lens barrel 112 radially extends, and the area of teat 116 is larger.It is mainly in order to stop that particle and dust that connection of thread produces drop on image sensor 300 that teat 116 effects are set, so teat 116 stop that area is larger, the probability that stops particle and dust is larger, thereby it is less in the possibility of image sensor 300 that particle and dust are dropped.
Please continue to consult Fig. 2, in the first embodiment, teat 116 offers groove 116a towards a surface of lens barrel 112, and groove 116a can collect dust or the particle that connection of thread drops.When particle and dust dropped on teat 116, because teat 116 offers groove 116a towards a surface of lens barrel 112, particle and dust fell within groove 116a.After particle and dust fall into groove 116a, blocked by the sidewall of groove 116a, can not be easily from teat 116 out.
See also Fig. 3, in the first embodiment, in groove 116a, the sidewall relative with lens barrel 112 is inclined-plane 116b.The angular extensions alpha that the axial direction of inclined-plane 116b and lens barrel 112 forms can be 30 degree～60 degree, and in present embodiment, α can be 45 degree.Sidewall relative with lens barrel 112 in groove 116a is set to inclined-plane 116b, and the particle and the dust that are conducive to fall within outside groove 116a fall into groove 116a along inclined-plane 116b, increases the difficulty that particle and dust are shaken off groove 116a.
Above-mentioned electronic equipment, because the camera lens module 100 of application so this electronic equipment can avoid particle and dust directly to fall within on image sensor 300 in the process of using, has improved picture quality for having the camera lens module 100 of dustproof construction.
Referring to Fig. 5, is the camera lens module 200 in the second embodiment.Electronic equipment in one embodiment, comprise circuit board, image sensor 300 and this camera lens module 200.Particularly, this electronic equipment can be digital camera, mobile phone, notebook computer or personal digital assistant etc.Because this electronic equipment is equipped with camera lens module 200, so can take pictures, make a video recording etc.
Light arrives image sensor 300 and produces signal of video signal via the eyeglass 213 in lens barrel 212 and optical filter, microscope base 220, is electrically connected to and signal of video signal is transferred on the circuit board of electronic equipment with the connector on circuit board by image sensor 300.
The end of lens barrel 212 extends to form dustproof construction along the radial direction of lens barrel 212; dustproof construction can prevent that connection of thread from directly dropping in the surface of image sensor 300 because of particle and the dust that friction produces; avoid the image shown that particle or dust shape are arranged, thereby improved the quality of image.
The sidewall of microscope base 220 is provided with external thread 220a.Lens barrel 212 extends to form the first teat 214, the first teats 214 away from an end of image sensor 300 along the radial direction of lens barrel 212 and along the axial direction that is parallel to lens barrel 212, extends to form the second teat 216 away from an end of lens barrel 212.So the first teat 214, the second teat 216 and lens barrel 212 are one-body molded.Be conducive to reduce manufacture difficulty, and saved number of assembling steps, can effectively prevent the assembly error produced in assembling process.The second teat 216 is provided with internal thread 216a, and the external thread 220a of the internal thread 216a of the second teat 216 and microscope base 220 sidewalls is complementary, so that camera lens 210 is assembled in to microscope base 220.Wherein the first teat 214 and the second teat 216 form dustproof construction.
Above-mentioned camera lens module 200, because lens barrel 212 extends to form the first teat 214 away from an end of image sensor 300 along the radial direction of lens barrel 212, the first teat 214 extends to form the second teat 216 away from an end of lens barrel 212 along the axial direction that is parallel to lens barrel 212, so in the process of assembling, camera lens 210 is down assembled from the top of microscope base 220, and then the camera lens module 200 that will assemble is connected with circuit board.Because be at the second teat 216, internal thread 216a is set, microscope base 220 sidewalls arrange external thread 220a, so while by engage thread, connecting, connection of thread can not drop in microscope base 220 because of fricative particle and dust, therefore particle and dust can not drop in image sensor 300 surfaces, have improved picture quality.
In the second embodiment, be formed with kink 222 between the side wall upper part 221 of microscope base 220 and lower sidewall 223.External thread 220a is arranged at described microscope base side wall upper part 221, the second teat 216 is relative with kink 222 intervals and have an approximately gap of 1 millimeter, the second teat 216 and state between kink 222 and scribble cementing agent, cementing agent is adhered to microscope base 220 by described the second teat 216, thereby camera lens 210 is fixed in to described microscope base 220.Cementing agent can be a glue, by a glue, the second teat 216 can be connected with kink 222, thereby camera lens 210 more firmly is assembled in to microscope base 220.
Please continue to consult Fig. 5, in the second embodiment, the madial wall of the lateral wall of lens barrel 212 and microscope base 220 is spaced.So the madial wall of the sidewall of lens barrel 212 and microscope base 220 has spacing, so when assembling, the madial wall of the sidewall of lens barrel 212 and microscope base 220 can not produce friction, effectively stops the generation of particle and dust.
Above-mentioned electronic equipment, because the camera lens module 200 of application so this electronic equipment can avoid particle and dust directly to fall within on image sensor 300 in the process of using, has improved picture quality for having the camera lens module 200 of dustproof construction.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a camera lens module, drop in image sensor be used to preventing dust, it is characterized in that, comprising:
Camera lens, comprise lens barrel, and described lens barrel is tubular, in described lens barrel, is provided with eyeglass and optical filter, and an end of described lens barrel extends to form dustproof construction along the radial direction of described lens barrel, and described dustproof construction can prevent that dust from directly dropping in the image sensor surface; And
Microscope base, described microscope base and described camera lens are threaded connection, and described microscope base is hollow form, and described camera lens is contained in described microscope base.
2. camera lens module according to claim 1, is characterized in that, the sidewall of described lens barrel is provided with external thread, and described microscope base is provided with internal thread, and described external thread and described internal thread are complementary; The described dustproof construction teat that to be described lens barrel extend to form along the radial direction of described lens barrel near an end of described image sensor.
3. camera lens module according to claim 2, is characterized in that, the periphery of described teat is connected to the madial wall of described microscope base.
4. camera lens module according to claim 3, is characterized in that, described teat offers groove towards a surface of described lens barrel, and described groove can be collected dust or the particle that connection of thread drops.
5. camera lens module according to claim 4, is characterized in that, in described groove, the sidewall relative with described lens barrel is inclined-plane.
6. camera lens module according to claim 5, is characterized in that, the angular range that the axial direction of described inclined-plane and described lens barrel forms is 30 degree～60 degree.
7. camera lens module according to claim 1, it is characterized in that, the sidewall of described microscope base is provided with external thread, described lens barrel extends to form the first teat away from an end of described image sensor along the radial direction of described lens barrel, described the first teat extends to form the second teat away from an end of described lens barrel along the axial direction that is parallel to described lens barrel, described the second teat is provided with internal thread, described internal thread and described external thread are complementary, and described the first teat and the second teat form described dustproof construction.
8. camera lens module according to claim 7, it is characterized in that, between the side wall upper part of described microscope base and lower sidewall, be formed with kink, described external thread is arranged at described microscope base side wall upper part, described the second teat is relative with described kink interval, between described the second teat and described kink, scribble cementing agent, described cementing agent is adhered to described microscope base by described the second teat.
9. camera lens module according to claim 8, is characterized in that, the sidewall of described lens barrel and the madial wall of described microscope base are spaced.
10. electronic equipment, it is characterized in that, comprise that circuit board, image sensor reach camera lens module as in one of claimed in any of claims 1 to 9, described image sensor is positioned at the bottom of described camera lens module, and described image sensor is electrically connected to described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310319810.9A CN103412389B (en) | 2013-07-26 | 2013-07-26 | Camera lens module and apply the electronic equipment of this camera lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319810.9A CN103412389B (en) | 2013-07-26 | 2013-07-26 | Camera lens module and apply the electronic equipment of this camera lens module |
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| CN103412389A true CN103412389A (en) | 2013-11-27 |
| CN103412389B CN103412389B (en) | 2016-05-04 |
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| CN201310319810.9A Expired - Fee Related CN103412389B (en) | 2013-07-26 | 2013-07-26 | Camera lens module and apply the electronic equipment of this camera lens module |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025205A (en) * | 2014-04-30 | 2015-11-04 | 光宝科技股份有限公司 | Image acquisition module with built-in dustproof structure |
| CN105704358A (en) * | 2016-04-12 | 2016-06-22 | 信利光电股份有限公司 | Camera module group pedestal and camera module group |
| CN105791653A (en) * | 2016-04-29 | 2016-07-20 | 信利光电股份有限公司 | Optical lens, camera shooting module group and electronic equipment |
| CN105872327A (en) * | 2016-04-12 | 2016-08-17 | 信利光电股份有限公司 | Image photographing module base and image photographing module thereof |
| CN105872326A (en) * | 2016-04-12 | 2016-08-17 | 信利光电股份有限公司 | Image photographing module base and image photographing module thereof |
| CN105898114A (en) * | 2014-05-07 | 2016-08-24 | 光宝科技股份有限公司 | Image obtaining module |
| CN105898115A (en) * | 2014-05-13 | 2016-08-24 | 光宝科技股份有限公司 | Image obtaining module |
| CN107300517A (en) * | 2016-04-14 | 2017-10-27 | 现代自动车株式会社 | Dust sensor for vehicle |
| CN107577048A (en) * | 2017-05-27 | 2018-01-12 | 深圳多哚新技术有限责任公司 | Optical mirror slip focusing component |
| WO2020007207A1 (en) * | 2018-07-05 | 2020-01-09 | 北京小米移动软件有限公司 | Lens, lens processing technology, camera module, and electronic device |
| CN111352204A (en) * | 2018-12-21 | 2020-06-30 | 余姚舜宇智能光学技术有限公司 | Lens holder assembly, assembling method thereof, reverse-mounted lens and lens module |
| CN112615987A (en) * | 2020-12-14 | 2021-04-06 | 南昌欧菲光电技术有限公司 | Camera module and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105025205A (en) * | 2014-04-30 | 2015-11-04 | 光宝科技股份有限公司 | Image acquisition module with built-in dustproof structure |
| CN105025205B (en) * | 2014-04-30 | 2018-11-06 | 立景创新有限公司 | Image acquisition module with in-building type dustproof construction |
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| CN105704358A (en) * | 2016-04-12 | 2016-06-22 | 信利光电股份有限公司 | Camera module group pedestal and camera module group |
| CN105872327A (en) * | 2016-04-12 | 2016-08-17 | 信利光电股份有限公司 | Image photographing module base and image photographing module thereof |
| CN105872326A (en) * | 2016-04-12 | 2016-08-17 | 信利光电股份有限公司 | Image photographing module base and image photographing module thereof |
| CN107300517B (en) * | 2016-04-14 | 2020-11-20 | 现代自动车株式会社 | Dust sensor for vehicle |
| CN107300517A (en) * | 2016-04-14 | 2017-10-27 | 现代自动车株式会社 | Dust sensor for vehicle |
| CN105791653A (en) * | 2016-04-29 | 2016-07-20 | 信利光电股份有限公司 | Optical lens, camera shooting module group and electronic equipment |
| CN107577048A (en) * | 2017-05-27 | 2018-01-12 | 深圳多哚新技术有限责任公司 | Optical mirror slip focusing component |
| WO2020007207A1 (en) * | 2018-07-05 | 2020-01-09 | 北京小米移动软件有限公司 | Lens, lens processing technology, camera module, and electronic device |
| CN111352204A (en) * | 2018-12-21 | 2020-06-30 | 余姚舜宇智能光学技术有限公司 | Lens holder assembly, assembling method thereof, reverse-mounted lens and lens module |
| CN111352204B (en) * | 2018-12-21 | 2023-02-03 | 余姚舜宇智能光学技术有限公司 | Lens holder assembly, assembling method thereof, reverse-mounted lens and lens module |
| CN112615987A (en) * | 2020-12-14 | 2021-04-06 | 南昌欧菲光电技术有限公司 | Camera module and electronic equipment |
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