CN205080349U - Camera module - Google Patents
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- CN205080349U CN205080349U CN201520816748.9U CN201520816748U CN205080349U CN 205080349 U CN205080349 U CN 205080349U CN 201520816748 U CN201520816748 U CN 201520816748U CN 205080349 U CN205080349 U CN 205080349U
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- China
- Prior art keywords
- camera module
- substrate
- wiring board
- module according
- eyeglass seat
- Prior art date
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- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims description 34
- -1 acryl Chemical group 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Studio Devices (AREA)
Abstract
The utility model provides a camera module includes circuit board, image sensor ware, driver chip, base, little motor system drive arrangement, lens seat, focus lens and shell. If need focus in order to catch the picture rich in detail, the drive arrangement of driver chip electric micro machine for auto matic control system system, make the fixed electrode and rotate the electrode and all switch on, it produces the electrostatic force effect to rotate between electrode and the fixed electrode, the rotor arm can be for the plane one -tenth positive and negative equal contained angle swing of axis of rotation with the perpendicular to optical axis under the effect of electrostatic force, the one end that the pulling rotor arm links to each other with the flexing arm removes to the direction of keeping away from the lens seat, with the radial direction distortion of this pulling flexing arm along the circumference, thereby pulling lens seat and lens along radial deformation, so change the shape of the lens of focusing, thin micro -adjustment reachs the light path of the light on image sensor ware surface to this obtains the picture rich in detail, reaches the effect of focusing, has saved the voice coil motor, realizes focusing fast, and the little motor system drive arrangement who adopts moreover is small, consumes low battery.
Description
Technical field
The utility model relates to camera technical field, particularly relates to a kind of camera module.
Background technology
Tradition is applied to the minisize pick-up head module that mobile phone, notebook, Pad etc. have a focus function and usually adopts voice coil motor (VCM, VoiceCoilMotor) as focusing drive unit.VCM generally includes multiple elements such as shell, magnetite, packing ring, upper shell fragment (frontspring), camera lens carrier, lower shell fragment (backspring) and base, and VCM moves for driving whole camera lens module (comprise lens barrel and be contained in the multiple eyeglasses in lens barrel).Because the quality of camera lens module is comparatively large, when adopting VCM to drive it to move, not only VCM power consumption is large, and focusing speed is slower.
Utility model content
Based on this, be necessary for above-mentioned technical matters, provide a kind of and can realize rapid focus and the low camera module of power consumption.
A kind of camera module, comprising:
Wiring board;
Image sensor, to be arranged on described wiring board and to be electrically connected with described wiring board;
Driving chip, to be arranged on described wiring board and to be electrically connected with described wiring board;
Base, is arranged on described wiring board, described base offers the first light hole, and described base and described wiring board form a receiving space, and described image sensor and described driving chip are contained in described receiving space;
Microelectromechanical-systems drive unit, be electrically connected with described driving chip, described microelectromechanical-systems drive unit comprises substrate, fixed electorde and rotating electrode, described substrate is arranged on described base, the second light hole is offered in the middle part of it, described rotating electrode comprises swivel arm and flexing arm, described fixed electorde and described rotating electrode are arranged at respectively on described substrate and are also along the circumferential direction intervally arranged, described fixed electorde is fixed on described substrate, between two adjacent described fixed electordes, rotating electrode described in is set, with the intersecting lens of the side of the upper surface of described substrate and described substrate for rotation axis, described swivel arm can become positive and negative equal angle to swing relative to described rotation axis and the plane perpendicular to optical axis, one end of described flexing arm is connected with described swivel arm,
Eyeglass seat, has elastic deformation performance, offers the 3rd light hole in the middle part of described eyeglass seat, and the other end of described flexing arm is connected on described eyeglass seat;
To focus lens, being arranged on described eyeglass seat and corresponding to described 3rd light hole, described have elastic deformation performance to focus lens; And
Shell, is arranged on described microelectromechanical-systems drive unit, described shell offers the 4th light hole, and described 4th light hole adduction has at least one eyeglass.
Wherein in a kind of embodiment, described substrate is silicon substrate.
Wherein in a kind of embodiment, described substrate is circular substrate.
Wherein in a kind of embodiment, described eyeglass seat is the eyeglass seat of acryl resin formula.
Wherein in a kind of embodiment, described to focus lens be acryl resin formula to focus lens.
Wherein in a kind of embodiment, the described non-optical division that focus lens is comprised to the optics portion in the middle part of being positioned at and arranges around described optics portion, described optics portion is used for optical imagery, and described non-optical division is for supporting described optics portion.
Wherein in a kind of embodiment, described non-optical division is provided with projection, described eyeglass seat is provided with the groove matched with described projection.
Wherein in a kind of embodiment, described non-optical division is provided with groove, described eyeglass seat is provided with the projection with described fit depressions.
Wherein in a kind of embodiment, fixed by some glue mode between described groove and described projection.
Wherein in a kind of embodiment, also comprise optical filter, described optical filter is arranged on described base, and light is by reaching image sensor after described optical filter.
Above-mentioned camera module at least has the following advantages:
Camera module is when taking pictures, if needs focusing is to catch picture rich in detail, driving chip control micro electric machine system driving device, fixed electorde and rotating electrode are all energized, electrostatic forcing is produced between rotating electrode and fixed electorde, swivel arm can become positive and negative equal angle to swing relative to rotation axis and the plane perpendicular to optical axis under the effect of electrostatic force, the one end pulling swivel arm to be connected with flexing arm is moved to the direction away from eyeglass seat, flexing arm radial direction distortion is circumferentially pulled with this, thus pull eyeglass seat and eyeglass to be radially out of shape, change like this is to the shape of focus lens, fine adjustments arrives the light path of the light on image sensor surface, get a distinct image with this, reach focus effects, voice coil motor is eliminated in this case, by changing the light path shape fine adjustments of focus lens being reached to image sensor surface, rapid focus is realized with this, and the microelectromechanical-systems drive unit volume adopted is little, power consumption is low.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the camera module in an embodiment;
Fig. 2 is the decomposing schematic representation of the camera module in an embodiment;
Fig. 3 is the vertical view of microelectromechanical-systems drive unit in Fig. 2;
Fig. 4 is the cut-open view of the microelectromechanical-systems drive unit in an embodiment;
Fig. 5 is the partial enlarged drawing at A place in Fig. 4.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed on " another element, directly can there is 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 there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
Refer to Fig. 1 and Fig. 2, be the camera module 10 in an embodiment, in this embodiment, eliminate voice coil motor.Specific in present embodiment, camera module 10 comprise wiring board 100, image sensor 200, driving chip 300, base 400, optical filter 500, microelectromechanical-systems drive unit 600, eyeglass seat 700, to focus lens 800 and shell 900.
Wiring board 100 can be flexible PCB or hard circuit board.When for flexible PCB, can also stiffening plate be set, for increasing the intensity of flexible PCB.
Image sensor 200 to be arranged on wiring board 100 and to be electrically connected with wiring board 100.Particularly, image sensor 200 can be charge-coupled device (CCD, Charge-coupledDevice) sensor and CMOS (Complementary Metal Oxide Semiconductor) (CMOS, ComplementaryMetalOxideSemiconductor) sensor.Image sensor 200 is connected on wiring board 100 by gold thread 210, realizes being electrically connected with wiring board 100.
Driving chip 300 to be arranged on wiring board 100 and to be electrically connected with wiring board 100, and driving chip 300 is for control micro electric machine system (MEMS, Micro-electromechanicalSystems) drive unit 600.
Base 400 is arranged on wiring board 100, base 400 offers the first light hole 400a, allows extraneous light to be entered in base 400 by the first light hole 400a.Base 400 and wiring board 100 form a receiving space 400b, and image sensor 200 and driving chip 300 are contained in receiving space 400b.
Particularly, can also arrange an optical filter 500 on base 400, this optical filter 500 can be cutoff filter.Particularly, can protrude at the madial wall of base 400 and form boss, optical filter 500 is arranged on boss.Certainly, in other embodiments, can also form groove at the madial wall of base 400, the periphery of optical filter 500 stretches in groove.Optical filter 500 is arranged at the first light hole 400a place, and light is by arriving image sensor 200 after optical filter 500.
Microelectromechanical-systems drive unit 600 is electrically connected with driving chip 300, driving chip 300 control micro electric machine system driving device 600.Simultaneously with reference to figure 3, microelectromechanical-systems drive unit 600 comprises substrate 610, fixed electorde 620 and rotating electrode 630.
Particularly, substrate 610 is silicon substrate, and substrate 610 is circular substrate.Substrate 610 is arranged on base 400, and the middle part of substrate 610 offers the second light hole 610a, and the second light hole 610a can be arranged with optical axis with the first light hole 400a.Fixed electorde 620 and rotating electrode 630 are formed by semiconductor technologies such as etchings, and fixed electorde 620 is fixedly installed on substrate 610.Rotating electrode 630 comprises swivel arm 631 and flexing arm 632, and fixed electorde 620 and rotating electrode 630 are arranged at respectively on substrate 610 and are also along the circumferential direction intervally arranged.Between two adjacent fixed electordes 620, a rotating electrode 630 is set.
With the intersecting lens of the side of the upper surface of substrate 610 and substrate 610 for rotation axis 611, swivel arm 631 can become positive and negative equal angle to swing relative to rotating shaft 611 and the plane perpendicular to optical axis.One end of flexing arm 632 is connected with swivel arm 631, concrete, and flexing arm and swivel arm integrally etch formation.Swivel arm 631 is unsettled above substrate 610, and namely the position of the corresponding swivel arm of substrate 610 and flexing arm is for etch hollow out, as long as ensure that swivel arm 631 can move relative to substrate 610.
Eyeglass seat 700 has elastic deformation performance, and the other end of flexing arm 632 is connected on eyeglass seat 700, and swivel arm 631 can move to the direction away from eyeglass seat 700 relative to rotating shaft 611.Particularly, eyeglass seat 700 can be the eyeglass seat of acryl resin formula.The middle part of eyeglass seat 700 offers the 3rd light hole 700a, and the 3rd light hole 700a can be arranged with optical axis with the first light hole 400a, and eyeglass seat 700 can be loop configuration.
See also Fig. 4 and Fig. 5, focus lens 800 be arranged on eyeglass seat 700 and correspond to the 3rd light hole 700a, to focus lens 800, there is elastic deformation performance.Particularly, to focus lens 800 can be acryl resin to focus lens.Comprise the optics portion 810 being positioned at middle part and the non-optical division 820 arranged around optics portion 810 to focus lens 800, optics portion 810 is for optical imagery, and light is by arriving image sensor 200 again behind optics portion 810.Non-optical division 820 is for support of optical portion 810.
Specific in present embodiment, non-optical division 820 is provided with protruding 821, eyeglass seat 700 is arranged at protruding 821 grooves 710 matched, by protruding 821 with the coordinating of groove 710, will be assembled on eyeglass seat 700 focus lens 800.In order to make to focus lens 800 more stable be assembled on eyeglass seat 700, can also fix by putting a glue mode between groove 710 and protruding 821.
Certainly, in other embodiments, groove can also be set on non-optical division 820, eyeglass seat 700 is arranged and the projection of fit depressions, by protruding coordinating with groove, will be assembled on eyeglass seat 700 focus lens 800.In order to make to focus lens 821 more stable be assembled on eyeglass seat 700, can also be fixed by a some glue mode between groove and projection.
Certainly, in other embodiments, can also omit projection and groove, diameter will be fixed on eyeglass seat 700 focus lens 800 by a glue mode.
Shell 900 is arranged on microelectromechanical-systems drive unit 600, shell 900 offers the 4th light hole 900a.Particularly, the 4th light hole 900a can be arranged with optical axis with the first light hole 400a.At least one eyeglass 910 of collecting in 4th light hole 900a.Such as, can accommodate an eyeglass 910 in the 4th light hole 900a, also can accommodate multi-disc eyeglass 910, multi-disc eyeglass 910 forms lens set.Extraneous light by the eyeglass 910 in the first light hole 400a or lens set, then through arriving the surface of image sensor 200 to focus lens 800, optical filter 500.
Above-mentioned camera module 10 at least has the following advantages:
Camera module 10 is when taking pictures, if needs focusing is to catch picture rich in detail, driving chip 300 control micro electric machine system driving device 600, fixed electorde 620 and rotating electrode 630 are all energized, electrostatic forcing is produced between rotating electrode 630 and fixed electorde 620, swivel arm 631 can become positive and negative equal angle to swing relative to rotation axis 611 and the plane perpendicular to optical axis under the effect of electrostatic force, the one end pulling swivel arm 631 to be connected with flexing arm 632 is moved to the direction away from eyeglass seat 700, flexing arm 632 radial direction distortion is circumferentially pulled with this, thus pull eyeglass seat 700 and eyeglass to be radially out of shape, change like this is to the shape of focus lens 800, fine adjustments arrives the light path of the light on image sensor 200 surface, get a distinct image with this, reach focus effects, voice coil motor is eliminated in this case, by changing the light path shape fine adjustments of focus lens 800 being reached to image sensor 200 surface, rapid focus is realized with this, and microelectromechanical-systems drive unit 600 volume adopted is little, power consumption is low.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a camera module, is characterized in that, comprising:
Wiring board;
Image sensor, to be arranged on described wiring board and to be electrically connected with described wiring board;
Driving chip, to be arranged on described wiring board and to be electrically connected with described wiring board;
Base, is arranged on described wiring board, described base offers the first light hole, and described base and described wiring board form a receiving space, and described image sensor and described driving chip are contained in described receiving space;
Microelectromechanical-systems drive unit, be electrically connected with described driving chip, described microelectromechanical-systems drive unit comprises substrate, fixed electorde and rotating electrode, described substrate is arranged on described base, the second light hole is offered in the middle part of it, described rotating electrode comprises swivel arm and flexing arm, described fixed electorde and described rotating electrode are arranged at respectively on described substrate and are also along the circumferential direction intervally arranged, described fixed electorde is fixed on described substrate, between two adjacent described fixed electordes, rotating electrode described in is set, with the intersecting lens of the side of the upper surface of described substrate and described substrate for rotation axis, described swivel arm can become positive and negative equal angle to swing relative to described rotation axis and the plane perpendicular to optical axis, one end of described flexing arm is connected with described swivel arm,
Eyeglass seat, has elastic deformation performance, offers the 3rd light hole in the middle part of described eyeglass seat, and the other end of described flexing arm is connected on described eyeglass seat;
To focus lens, being arranged on described eyeglass seat and corresponding to described 3rd light hole, described have elastic deformation performance to focus lens; And
Shell, is arranged on described microelectromechanical-systems drive unit, described shell offers the 4th light hole, and described 4th light hole adduction has at least one eyeglass.
2. camera module according to claim 1, is characterized in that, described substrate is silicon substrate.
3. camera module according to claim 1, is characterized in that, described substrate is circular substrate.
4. camera module according to claim 1, is characterized in that, described eyeglass seat is the eyeglass seat of acryl resin formula.
5. camera module according to claim 1, is characterized in that, described to focus lens be acryl resin formula to focus lens.
6. camera module according to claim 1, it is characterized in that, the described non-optical division that focus lens is comprised to the optics portion in the middle part of being positioned at and arranges around described optics portion, described optics portion is used for optical imagery, and described non-optical division is for supporting described optics portion.
7. camera module according to claim 6, is characterized in that, described non-optical division is provided with projection, described eyeglass seat is provided with the groove matched with described projection.
8. camera module according to claim 6, is characterized in that, described non-optical division is provided with groove, described eyeglass seat is provided with the projection with described fit depressions.
9. the camera module according to claim 7 or 8, is characterized in that, is fixed between described groove and described projection by some glue mode.
10. camera module according to claim 1, is characterized in that, also comprise optical filter, and described optical filter is arranged on described base, and light is by reaching image sensor after described optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816748.9U CN205080349U (en) | 2015-10-20 | 2015-10-20 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816748.9U CN205080349U (en) | 2015-10-20 | 2015-10-20 | Camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080349U true CN205080349U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520816748.9U Active CN205080349U (en) | 2015-10-20 | 2015-10-20 | Camera module |
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| CN (1) | CN205080349U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204271A (en) * | 2015-10-20 | 2015-12-30 | 南昌欧菲光电技术有限公司 | Camera module |
| CN109387917A (en) * | 2017-08-02 | 2019-02-26 | 业纳光学系统有限公司 | Equipment for can alternatively influence the wavefront of beam |
| TWI708972B (en) * | 2016-06-23 | 2020-11-01 | 大陸商寧波舜宇光電信息有限公司 | Fixed focus camera module and manufacturing method thereof |
| WO2021120573A1 (en) * | 2019-12-16 | 2021-06-24 | 中芯集成电路（宁波）有限公司 | Imaging module and method for manufacturing same |
-
2015
- 2015-10-20 CN CN201520816748.9U patent/CN205080349U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204271A (en) * | 2015-10-20 | 2015-12-30 | 南昌欧菲光电技术有限公司 | Camera module |
| TWI708972B (en) * | 2016-06-23 | 2020-11-01 | 大陸商寧波舜宇光電信息有限公司 | Fixed focus camera module and manufacturing method thereof |
| US11509887B2 (en) | 2016-06-23 | 2022-11-22 | Ningbo Sunny Opotech Co., Ltd. | Fixed-focus photographing module and focusing device and method thereof |
| CN109387917A (en) * | 2017-08-02 | 2019-02-26 | 业纳光学系统有限公司 | Equipment for can alternatively influence the wavefront of beam |
| CN109387917B (en) * | 2017-08-02 | 2021-11-09 | 业纳光学系统有限公司 | Device for variably influencing the wave front of a radiation beam |
| WO2021120573A1 (en) * | 2019-12-16 | 2021-06-24 | 中芯集成电路（宁波）有限公司 | Imaging module and method for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Patentee after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Patentee after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210617 Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Jinghao optics Co.,Ltd. Address before: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |