CN104834158A - Double-camera module group - Google Patents
Double-camera module group Download PDFInfo
- Publication number
- CN104834158A CN104834158A CN201510266642.0A CN201510266642A CN104834158A CN 104834158 A CN104834158 A CN 104834158A CN 201510266642 A CN201510266642 A CN 201510266642A CN 104834158 A CN104834158 A CN 104834158A
- Authority
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- China
- Prior art keywords
- lens
- liquid crystal
- circuit board
- crystal lens
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 47
- 238000003466 welding Methods 0.000 claims abstract description 13
- 230000009977 dual effect Effects 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
- Studio Devices (AREA)
- Microscoopes, Condenser (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to a double-camera module group, and the module group comprises a circuit board, a lens seat, two image sensors, two lens module groups, a liquid crystal lens, and a welding pin. The two lens module groups are disposed on the same lens seat, and the bottom surface of the lens seat is connected with the circuit board. Moreover, the top surface of the lens seat is provided with the liquid crystal lens, thereby enabling the liquid crystal lens to cover the two lens module groups. The welding pin in the lens seat can enable the liquid crystal lens to be electrically connected with the circuit board. During assembly, the focuses of the lens module groups are adjusted, and the liquid crystal lens is used for focusing during photographing. In other words, the circuit board supplies power to the liquid crystal lens through the welding pin. The path of light passing through the liquid crystal lens is correspondingly changed during different voltages, and the focusing function is achieved under the condition of no voice coil motor. Therefore, the module group can effectively prevent the magnetic interference between two voice coil motors, and improves the image quality. Moreover, the two lens module groups achieve the focusing function through the liquid crystal lens, so the module group can effectively solve a problem that the movement of the two lens module groups is not consistent, and improves the image quality.
Description
Technical field
The present invention relates to camera module technical field, particularly relate to a kind of dual camera module.
Background technology
At present, the electronic installations such as mobile phone, notebook computer, panel computer are rising and are adopting two camera module to take the new technology of same object simultaneously, the image taken respectively of two camera modules can compositing 3 d images, also can mutually compensate the two dimensional image obtaining high definition.
Traditional double camera module comprises two camera modules be independently installed on same circuit board.Each camera module comprises a camera lens module, as actuator and carry corresponding camera lens module voice coil motor, for gathering the imageing sensor of taken image information, control circuit and image back-end processor.The critical piece of voice coil motor is coil, magnet and shell fragment, in energising situation, generation current in coil, thus generate the magnetic field of some strength, under the magnetic field of magnet generation and the combined action of coil current Induced magnetic field, hot-wire coil is by Ampère force, the direction of power is along optical axis direction, thus the distance changed between camera lens and sensor devices, and then realize focusing function, shooting image.
But when adopting the dual camera module of said structure, the voice coil motor in two camera modules can produce magnetic interference mutually, reduce image taking quality.
Summary of the invention
Based on this, be necessary for above-mentioned technical matters, a kind of dual camera module effectively can avoiding producing magnetic interference is provided.
A kind of dual camera module, comprising:
Circuit board, comprises an installed surface;
Microscope base, comprises bottom surface and end face, and described bottom surface is arranged on described installed surface, described microscope base is formed with the through hole that two run through described bottom surface and described end face, and two described through hole intervals are arranged;
Two imageing sensors, are arranged at described installed surface, and are electrically connected with described circuit board;
Two camera lens modules, a camera lens module correspondence is contained in through hole described in, and the periphery of described camera lens module is arranged on the sidewall of described through hole;
One liquid crystal lens, be arranged at the end face of described microscope base, described liquid crystal lens covers two described through holes, and jointly surround two sealings and the collecting cavity at interval by described liquid crystal lens, microscope base and circuit board, imageing sensor correspondence described in is contained in described in one accommodates in cavity; And
Welding pin, is arranged at the sidewall of described through hole, and one end is electrically connected with described circuit board, and the other end is electrically connected with described liquid crystal lens.
Wherein in an embodiment, also comprise anti-dazzling screen, described anti-dazzling screen is arranged at the surface of described liquid crystal lens back on described circuit board, described anti-dazzling screen offers two light holes, the corresponding camera lens module of a light hole.
Wherein in an embodiment, described anti-dazzling screen is black anti-dazzling screen.
Wherein in an embodiment, also comprise optical filter, described optical filter is contained in described through hole, and between described camera lens module and described imageing sensor.
Wherein in an embodiment, described optical filter is cutoff filter.
Wherein in an embodiment, the sidewall of each through hole is inwardly outstanding is formed with projection, and described optical filter is arranged in described projection.
Wherein in an embodiment, the end face of described microscope base is recessed to form fluted to the direction of the bottom surface near described microscope base, and described liquid crystal lens is arranged in described groove.
Wherein in an embodiment, described camera lens module comprises lens barrel and is arranged at the eyeglass in described lens barrel.
Wherein in an embodiment, described lens barrel spiral shell is located on the sidewall of described through hole.
Wherein in an embodiment, described circuit board is flexible PCB or printed circuit board.
Above-mentioned dual camera module at least has the following advantages:
Two camera lens modules are arranged on same microscope base, and one liquid crystal lens is set at the end face of microscope base, it is made to cover two camera lens modules, liquid crystal lens can be electrically connected with circuit board by the welding pin in microscope base, in assembling process, camera lens module is modulated good burnt, when taking pictures, liquid crystal lens is utilized to focus, namely circuit board is powered to liquid crystal lens by welding pin, the corresponding light path changed by liquid crystal lens light when different voltage, when realizing focus function without the need to when voice coil motor, therefore can effectively avoid producing magnetic interference between two voice coil motors, thus raising image quality.And two camera lens modules realize focus function by a liquid crystal lens, inconsistent problem of moving when therefore also effectively can solve each self-driven two the camera lens modules of tradition two voice coil motors, improves picture precision.
Accompanying drawing explanation
Fig. 1 is the exploded view of dual camera module in an embodiment;
Fig. 2 omits the vertical view of anti-dazzling screen and liquid crystal lens for the module of dual camera shown in Fig. 1;
Fig. 3 is the side sectional view of the module of dual camera shown in Fig. 1.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
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 invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Referring to Fig. 1 to Fig. 3, is the dual camera module 10 in an embodiment.This dual camera module 10 also can realize focus function without the need to voice coil motor.This dual camera module 10 comprises circuit board 100, microscope base 200, two imageing sensors 300, two camera lens module 400, liquid crystal lens 500, welding pin 600, anti-dazzling screen 700 and optical filters 800.
Circuit board 100 comprises an installed surface 110.Circuit board 100 can be flexible PCB or printed circuit board etc.When for flexible PCB time, can also stiffening plate be set, to increase the intensity of flexible PCB.
Microscope base 200 comprises bottom surface 210 and end face 220, and bottom surface 210 is arranged on installed surface 110.Microscope base 200 is formed with the through hole (scheming not mark) that two run through bottom surface 210 and end face 220, two through hole (figure does not mark) intervals are arranged.Microscope base 200 is integral type microscope base.Therefore can reduce volume, meet the growth requirement of microminiaturization, portability.
Two imageing sensors 300 are all arranged on installed surface 110, and are electrically connected with circuit board 100.Imageing sensor 300 can be CCD (Charge Coupled Device, charge coupled cell) or CMOS (Complementary Metal-Oxide Semiconductor, metal oxide semiconductor device).Two imageing sensor 300 intervals are arranged.Imageing sensor 300 is for converting the pictorial information photographed to electric signal.
In two camera lens modules 400, camera lens module 400 correspondence is contained in a through hole, and the periphery of camera lens module 400 is arranged on the sidewall of through hole.Particularly, camera lens module 400 comprises lens barrel and is arranged at the eyeglass in lens barrel.The outer peripheral edges of lens barrel are provided with screw thread, and the madial wall of through hole is provided with screw thread, and lens barrel is located at the madial wall of through hole by screw thread spiral shell.Eyeglass can be plastic lens.The quantity of eyeglass can be more than two panels or two panels.
Liquid crystal lens 500 is arranged on the end face 220 of microscope base 200, and liquid crystal lens 500 covers two through holes.Jointly surround two sealings and the collecting cavity 10a at interval by liquid crystal lens 500, microscope base 200 and circuit board 100, imageing sensor 300 correspondence is contained in a collecting cavity 10a.The end face 220 of microscope base 200 is recessed to form fluted 230 to the direction of the bottom surface 210 near microscope base 200, liquid crystal lens 500 is arranged in groove 230, groove 230 is for carrying liquid crystal lens 500, the sidewall of groove 230 is conducive to preventing liquid crystal lens 500 from moving, and is conducive to the contraposition of liquid crystal lens 500 when installing.Liquid crystal lens 500 away from the one side of circuit board 100 and the end face 220 of microscope base 200 concordant.
Welding pin 600 is arranged on the sidewall of through hole, and one end is electrically connected with circuit board 100, and the other end is electrically connected with liquid crystal lens 500.On the sidewall of welding pin 600 through hole disposed therein, for liquid crystal lens 500 and circuit board 100 are electrically connected.Circuit board 100 is powered to liquid crystal lens 500 by welding pin 600, and when different voltage, the corresponding light path changed by liquid crystal lens 500 light, realizes focus function.Therefore, do not need mechanical mobile eyeglass, focusing is accurate and reaction velocity is fast, and power consumption is little.
Anti-dazzling screen 700 is arranged at the surface of liquid crystal lens 500 back on circuit board 100, anti-dazzling screen 700 offers the corresponding camera lens module 400 of two light holes 710, light hole 710, to avoid veiling glare to enter camera lens module 400, affects image quality.Anti-dazzling screen 700 can be black anti-dazzling screen 700.
Optical filter 800 is contained in through hole, and between camera lens module 400 and imageing sensor 300.Optical filter 800 is cutoff filter 800, for filtering infrared light, avoids picture distortion.Particularly, the sidewall of each through hole is inwardly outstanding is formed with protruding 240, and optical filter 800 is arranged on protruding 240.
Specific in present embodiment, also comprise connector 900, connector 900 is arranged at the elongated end of circuit board 100, for the signal of transitive graph image-position sensor 300.
Above-mentioned dual camera module 10 at least has the following advantages:
Two camera lens modules 400 are arranged on same microscope base 200, and a liquid crystal lens 500 is set at the end face 220 of microscope base 200, it is made to cover two camera lens modules 400, liquid crystal lens 500 can be electrically connected with circuit board 100 by the welding pin 600 in microscope base 200, in assembling process, camera lens module 400 is modulated good burnt, when taking pictures, liquid crystal lens 500 is utilized to focus, namely circuit board 100 is powered to liquid crystal lens 500 by welding pin 600, the corresponding light path changed by liquid crystal lens 500 light when different voltage, when realizing focus function without the need to when voice coil motor, therefore can effectively avoid producing magnetic interference between two voice coil motors, thus raising image quality.And two camera lens modules 400 realize focus function by a liquid crystal lens 500, inconsistent problem of moving when therefore also effectively can solve each self-driven two the camera lens modules 400 of tradition two voice coil motors, improves picture precision.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 dual camera module, is characterized in that, comprising:
Circuit board, comprises an installed surface;
Microscope base, comprises bottom surface and end face, and described bottom surface is arranged on described installed surface, described microscope base is formed with the through hole that two run through described bottom surface and described end face, and two described through hole intervals are arranged;
Two imageing sensors, are arranged at described installed surface, and are electrically connected with described circuit board;
Two camera lens modules, a camera lens module correspondence is contained in through hole described in, and the periphery of described camera lens module is arranged on the sidewall of described through hole;
One liquid crystal lens, be arranged at the end face of described microscope base, described liquid crystal lens covers two described through holes, and jointly surround two sealings and the collecting cavity at interval by described liquid crystal lens, microscope base and circuit board, imageing sensor correspondence described in is contained in described in one accommodates in cavity; And
Welding pin, is arranged at the sidewall of described through hole, and one end is electrically connected with described circuit board, and the other end is electrically connected with described liquid crystal lens.
2. dual camera module according to claim 1, it is characterized in that, also comprise anti-dazzling screen, described anti-dazzling screen is arranged at the surface of described liquid crystal lens back on described circuit board, described anti-dazzling screen offers two light holes, the corresponding camera lens module of a light hole.
3. dual camera module according to claim 2, is characterized in that, described anti-dazzling screen is black anti-dazzling screen.
4. dual camera module according to claim 1, is characterized in that, also comprise optical filter, and described optical filter is contained in described through hole, and between described camera lens module and described imageing sensor.
5. dual camera module according to claim 4, is characterized in that, described optical filter is cutoff filter.
6. dual camera module according to claim 4, is characterized in that, the sidewall of each through hole is inwardly outstanding is formed with projection, and described optical filter is arranged in described projection.
7. dual camera module according to claim 1, is characterized in that, the end face of described microscope base is recessed to form fluted to the direction of the bottom surface near described microscope base, and described liquid crystal lens is arranged in described groove.
8. dual camera module according to claim 1, is characterized in that, described camera lens module comprises lens barrel and is arranged at the eyeglass in described lens barrel.
9. dual camera module according to claim 8, is characterized in that, described lens barrel spiral shell is located on the sidewall of described through hole.
10. dual camera module according to claim 1, is characterized in that, described circuit board is flexible PCB or printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510266642.0A CN104834158B (en) | 2015-05-22 | 2015-05-22 | Dual camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510266642.0A CN104834158B (en) | 2015-05-22 | 2015-05-22 | Dual camera module |
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| Publication Number | Publication Date |
|---|---|
| CN104834158A true CN104834158A (en) | 2015-08-12 |
| CN104834158B CN104834158B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510266642.0A Expired - Fee Related CN104834158B (en) | 2015-05-22 | 2015-05-22 | Dual camera module |
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Cited By (27)
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| CN105657226A (en) * | 2016-01-12 | 2016-06-08 | 广东欧珀移动通信有限公司 | Mobile electronic terminal |
| CN105718887A (en) * | 2016-01-21 | 2016-06-29 | 惠州Tcl移动通信有限公司 | Shooting method and shooting system capable of realizing dynamic capturing of human faces based on mobile terminal |
| CN105739054A (en) * | 2016-04-01 | 2016-07-06 | 河南省皓泽电子有限公司 | Closed loop single drive automatic focusing device used by double cameras |
| CN105739053A (en) * | 2016-04-01 | 2016-07-06 | 河南省皓泽电子有限公司 | Closed loop double drive automatic focusing device used by double cameras |
| CN105763780A (en) * | 2016-04-07 | 2016-07-13 | 宁波舜宇光电信息有限公司 | Photosensitive device with reinforcing circuit board, array camera module and manufacturing method thereof |
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| CN105785547A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed-loop single set control central guidance automatic focusing device used for dual cameras |
| CN105898125A (en) * | 2016-05-31 | 2016-08-24 | 维沃移动通信有限公司 | Lens drive structure, camera structure and electronic terminal |
| WO2017020751A1 (en) * | 2015-08-04 | 2017-02-09 | 宁波舜宇光电信息有限公司 | Multi-lens camera module conjoined stand, multi-lens camera module and application thereof |
| CN106647112A (en) * | 2015-10-28 | 2017-05-10 | 南昌欧菲光电技术有限公司 | Double-camera module and camera device having the same |
| CN106657754A (en) * | 2017-03-20 | 2017-05-10 | 维沃移动通信有限公司 | Double-camera module and mobile terminal |
| WO2017113751A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳欧菲光科技股份有限公司 | Imaging module and electronic apparatus |
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| CN108027493A (en) * | 2015-09-08 | 2018-05-11 | Lg伊诺特有限公司 | Double camera module and Optical devices |
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| US10063783B2 (en) | 2015-09-30 | 2018-08-28 | Apple Inc. | Mobile zoom using multiple optical image stabilization cameras |
| US11102416B2 (en) | 2015-09-30 | 2021-08-24 | Apple Inc. | Mobile zoom using multiple optical image stabilization cameras |
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| WO2017113751A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳欧菲光科技股份有限公司 | Imaging module and electronic apparatus |
| WO2017113752A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳欧菲光科技股份有限公司 | Imaging module and electronic device |
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Address after: 330013 Nanchang economic and Technological Development Zone, Nanchang, Jiangxi, north of the lilac road and the north of the Longtan canal. Co-patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee after: OFilm Tech Co.,Ltd. Co-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. Co-patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. Co-patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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