CN207530934U - A kind of dual camera module with infrared imaging function - Google Patents
A kind of dual camera module with infrared imaging function Download PDFInfo
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- CN207530934U CN207530934U CN201721774653.0U CN201721774653U CN207530934U CN 207530934 U CN207530934 U CN 207530934U CN 201721774653 U CN201721774653 U CN 201721774653U CN 207530934 U CN207530934 U CN 207530934U
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Abstract
The utility model discloses a kind of dual camera modules with infrared imaging function, including black and white camera module, colour imagery shot module, it is assembled in same circuit board substrate, the control mainboard of electronic equipment is connected to this, it is characterized in that, bilateral optical filter is set in front of black and white camera, and the infrared light that the visible ray and wavelength that transmission peak wavelength is 400nm~650nm are 700nm~1000nm sets cutoff filter in front of colour imagery shot module.The present apparatus is suitable for batch production, at low cost, the double camera shootings used on mobile phone, tablet computer, laptop, and the more than enough occasion of energy uses, and submits image quality.
Description
Technical field
The utility model is related to camera module fields, are specifically related to a kind of dual camera with infrared imaging function
Module.
Background technology
Current common camera module mainly includes image sensor element and picture processing chip etc., image sensing member
Part is broadly divided into charge coupled cell (CCD) and complementary metal oxide semiconductor (CMOS).The wave-length coverage of visible ray is 380
~780nm, more than 780nm belongs to infrared portions, and CCD and CMOS can sense visible ray, can also sense infrared light.It is hot
Outer light and visible ray are entered simultaneously in CCD or CMOS when sensed by it, shoot the image color meeting come and human eye
The color for the environment seen is inconsistent, i.e., so-called colour cast, this is because infrared light destroys color rendition.Producer is
Better color rendition is obtained under natural light, be set to using cutoff filter filtered before CCD or CMOS it is red
Outer light.And during iris recognition, in order to acquire clearly iris image, then have to increase infrared illumination when acquiring iris, this
When, enough clearly iris images can not be collected using general camera module.
And traditional dual camera module includes two independent camera modules being installed on same circuit board, still
Traditional camera module operating mode is single, in natural scene screening-mode, starts colour imagery shot or black and white camera
One kind shoots natural scene image, in shooting at night, starts camera, it is impossible to improve image quality.
Utility model content
The utility model in view of the above problems, provide it is a kind of work in various modes environment have infrared imaging function
Dual camera module.
The technical solution of the utility model：A kind of dual camera module with infrared imaging function, the module include
Black and white camera module and colour imagery shot module are assembled in same circuit board substrate, and each camera module includes lens set,
Eyeglass seat, lens mount and imaging sensor, which is characterized in that between the lens set of black and white camera module and imaging sensor
Bilateral optical filter is set, cutoff filter is set between the lens set of colour imagery shot module and imaging sensor.
Preferably, the dual camera module further includes infrared illumination unit, and the infrared illumination unit is placed in black and white and takes the photograph
As the both sides of the lens mount of head mould group, the wave-length coverage of the wherein infrared light of infrared illumination unit transmitting is 700nm~1000nm.
Preferably, the bilateral optical filter, thickness are 0.21mm~0.3mm, and it is 400~650nm that can allow wave-length coverage
Visible ray and wave-length coverage be 700nm~1000nm infrared light pass through.
Preferably, the cutoff filter, thickness are 0.21mm~0.3mm, can allow wave-length coverage for 400~
The visible ray of 650nm passes through.
Preferably, the dual camera module includes three kinds of operating modes：
1) in iris or man face image acquiring pattern, start black and white camera and infrared light filling light provided around it
Source carries out iris or face imaging；
2) in shooting at night pattern, start colour imagery shot, black and white camera and infrared supplementary lighting sources, carry out cromogram
As imaging and the imaging of infrared black white image, coloured image with infrared black white image is synthesized, promotes picture brightness；
3) in natural scene screening-mode, start one or more, the shooting nature of colour imagery shot, black and white camera
Scene image.
A kind of electronic equipment for including the dual camera module, which is characterized in that the electronic equipment includes intelligence
Mobile phone, tablet computer.
The beneficial effects of the utility model：The utility model is imaged based on traditional dual camera modular structure in black and white
Setting can penetrate the bilateral optical filter of visible ray and infrared light before head, support the light of visible ray and two kinds of wave bands of infrared light
Transmission.The dual camera module of the utility model can support plurality of application scenes, in the state of the unlatching of infrared supplementary lighting sources,
It can realize the iris image acquiring function for iris recognition and the man face image acquiring function for recognition of face；Simultaneously
In shooting at night scene, open infrared supplementary lighting sources and carry out infrared imaging, brightness of image can be enhanced；In natural scene on daytime
In screening-mode, without starting infrared supplementary lighting sources, one or more shooting figures of colour imagery shot, black and white camera can be started
Picture.
It should be appreciated that aforementioned description substantially and follow-up description in detail are exemplary illustration and explanation, it should not
Limitation as content claimed to the utility model.
Description of the drawings
With reference to the attached drawing of accompanying, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
The described below of formula is illustrated, wherein：
Fig. 1 schematically shows the dual camera modular structure figure with infrared imaging function of the utility model.
Specific embodiment
By reference to exemplary embodiment, the purpose of this utility model and function and it is used to implement these purposes and function
Method will be illustrated.However, the utility model is not limited to exemplary embodiment as disclosed below；It can be by not
It is realized with form.The essence of specification is only to aid in various equivalent modifications Integrated Understanding the utility model
Detail.
Hereinafter, the embodiment of the utility model will be described with reference to the drawings.In the accompanying drawings, identical reference numeral represents
Same or similar component or same or like step.
Fig. 1 show the dual camera modular structure figure with infrared imaging function of the utility model, as shown in Figure 1,
Including black and white camera module 100, colour imagery shot module 200, same circuit board substrate 106~108 is assembled in, is connected with this
To the control mainboard of electronic equipment.
Wherein black and white camera module 100 includes lens set 101, is made of, light can be played 1 or multi-disc eyeglass
Convergence or the effect of diverging；
For fixing len, it is whole to form camera lens for eyeglass seat 102；
For fixed mirror tablet seat 102, mirror is adjusted by rotating lens or by adjusting voice coil motor for lens mount 103
Head focus point so that image clearly；
The energy of light can be converted into digital signal by imaging sensor 105, form digital picture；
Bilateral optical filter 104 between lens set 101 and imaging sensor 105, the optical filter 104 use bilateral
Road coating technique is formed, thickness be 0.21mm~0.3mm, can allow wave-length coverage be 400nm~650nm visible light transmission
It is 80%~95%, the infrared light percent of pass that wave-length coverage can also be allowed to be 700nm~1000nm reaches 50%~95%；It is wherein double
Pass filter 104 is fixed on gluing or other fixed forms on lens mount 103, so as to make the compact-sized of camera module；
The bilateral optical filter 104 can be filtered out preferably other than specified wavelength infrared light and specified wavelength visible ray
Light reaches better imaging effect；
Circuit board substrate 106~108 is used for transmission or handles digital signal；
Infrared illumination unit 109 and 109 is placed in the both sides of lens mount 103, for emitting infrared light, only knows in iris
It is used in other image acquisition modality, recognition of face image acquisition modality, shooting at night pattern, wherein the infrared illumination unit
109 and 109, the wavelength of the infrared light of transmitting is in ranging from 700nm~1000nm, with 104 transmitted infrared light of bilateral optical filter
Wave-length coverage is consistent.
Wherein, colour imagery shot module 200 includes lens set 201, is made of 1 or multi-disc eyeglass, and light can be risen
To the effect of convergence or diverging；
For fixing len, it is whole to form camera lens for eyeglass seat 202；
For fixed mirror tablet seat 202, mirror is adjusted by rotating lens or by adjusting voice coil motor for lens mount 203
Head focus point so that image clearly；
The energy of light can be converted into digital signal by imaging sensor 205, form digital picture；
Cutoff filter 204 between lens set 201 and imaging sensor 205, the IR cut filter
Piece 204 is formed using single channel coating technique, and thickness is 0.21mm~0.3mm, and it is 400~650nm's that can allow wave-length coverage
Visible light transmission is 80%~95%；
The cutoff filter 204 is fixed on gluing or other fixed forms on lens mount 203, so as to make camera shooting
Head mould group it is compact-sized；
The cutoff filter 204 can preferably filter out the spurious rays other than visible ray, reach better
Coloured image imaging effect.
Wherein described dual camera module includes three kinds of operating modes：
1) in iris recognition or recognition of face image acquisition modality, start black and white camera, light filling unit, acquire iris
Or facial image；
2) in shooting at night pattern, start colour imagery shot shoot coloured image, start black and white camera and light filling list
Member shoots infrared black white image, and coloured image is synthesized with infrared black white image, promotes picture brightness；
3) in natural scene screening-mode, start one or more, the shooting nature of colour imagery shot, black and white camera
Scene image.
In iris capturing pattern, start iris capturing camera configuration file, corresponding time for exposure, gain be set,
In face drainage pattern, start face acquisition camera configuration file, corresponding time for exposure, gain are set.
Application Example
A kind of smart mobile phone for installing the dual camera module, the mobile phone carry iris recognition unlock Screen Technology,
After user completes iris registration, can phone lock be released by iris recognition, be carried out into main interface using operation.In iris
During registration or iris recognition, the black and white camera on mobile phone is opened with infrared illuminator, for acquiring client iris
Infrared image；When shooting natural scene picture, the colour imagery shot on mobile phone is opened, for acquiring the cromogram of natural scene
Picture；In the dark night scenes of ambient light, while start colour imagery shot, black and white camera and infrared supplementary lighting sources, respectively
Shoot coloured image, black white image, the brightness that coloured image is made up using the luminance information of black white image are lacked, and make coloured image
It is able to revert to optimum efficiency.
Explanation and practice with reference to the utility model disclosed here, the other embodiment of the utility model is for this field
Technical staff will be readily apparent and understand.Illustrate and embodiment be regarded only as being exemplary, the utility model it is real
Scope and spirit are defined in the claims.
Claims (6)
1. a kind of dual camera module with infrared imaging function, the module includes black and white camera module and colored camera shooting
Head mould group, is assembled in same circuit board substrate, and each camera module includes lens set, eyeglass seat, lens mount and image sensing
Device, which is characterized in that bilateral optical filter between the lens set of black and white camera module and imaging sensor is set, is taken the photograph in colour
As head mould group lens set and imaging sensor between cutoff filter is set.
2. dual camera module according to claim 1, which is characterized in that the dual camera module further includes infrared photograph
Bright unit, the infrared illumination unit are placed in the both sides of the lens mount of black and white camera module, and wherein infrared illumination unit emits
Infrared light wave-length coverage be 700nm~1000nm.
3. dual camera module according to claim 1, which is characterized in that the bilateral optical filter, thickness 0.21mm
~0.3mm, can allow the visible ray that wave-length coverage is 400~650nm and the infrared light that wave-length coverage is 700nm~1000nm
Pass through.
4. dual camera module according to claim 1, which is characterized in that the cutoff filter, thickness are
0.21mm~0.3mm, the visible ray that wave-length coverage can be allowed to be 400~650nm pass through.
5. dual camera module according to claim 1, which is characterized in that the dual camera module includes three kinds of work
Pattern：
1) in iris or man face image acquiring pattern, start black and white camera and infrared supplementary lighting sources provided around it,
Carry out iris or face imaging；
2) in shooting at night pattern, start colour imagery shot, black and white camera and infrared supplementary lighting sources, carry out coloured image into
As being imaged with infrared black white image, coloured image with infrared black white image is synthesized, promotes picture brightness；
3) in natural scene screening-mode, start one or more, the shooting natural scene of colour imagery shot, black and white camera
Image.
A kind of 6. electronic equipment for including dual camera module described in claim 1, which is characterized in that the electronic equipment packet
Include smart mobile phone, tablet computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721774653.0U CN207530934U (en) | 2017-12-19 | 2017-12-19 | A kind of dual camera module with infrared imaging function |
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| CN201721774653.0U CN207530934U (en) | 2017-12-19 | 2017-12-19 | A kind of dual camera module with infrared imaging function |
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| CN207530934U true CN207530934U (en) | 2018-06-22 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107451532A (en) * | 2017-07-07 | 2017-12-08 | 广东欧珀移动通信有限公司 | Infrared light supply, iris recognition module and electronic installation |
| CN108881701A (en) * | 2018-09-30 | 2018-11-23 | 华勤通讯技术有限公司 | Image pickup method, camera, terminal device and computer readable storage medium |
| CN109067945A (en) * | 2018-09-10 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of single camera realizes the method and device of night scene enhancing |
| CN109544618A (en) * | 2018-10-30 | 2019-03-29 | 华为技术有限公司 | A kind of method and electronic equipment obtaining depth information |
| CN109635539A (en) * | 2018-10-30 | 2019-04-16 | 华为技术有限公司 | A kind of face identification method and electronic equipment |
| CN110221414A (en) * | 2019-07-22 | 2019-09-10 | 浙江舜宇光学有限公司 | Photographic device and electronic equipment equipped with the photographic device |
| CN110850775A (en) * | 2019-11-20 | 2020-02-28 | 吉林省稷坤农业科技有限公司 | Environmental data wireless monitoring system for intelligent agriculture and working method thereof |
| CN111131554A (en) * | 2018-10-31 | 2020-05-08 | 北京小米移动软件有限公司 | Terminal device |
| CN112016491A (en) * | 2020-09-03 | 2020-12-01 | 北京优彩科技有限公司 | Intelligent makeup removing mirror and control method and AI algorithm thereof |
| CN112135012A (en) * | 2019-06-25 | 2020-12-25 | 杭州海康威视数字技术股份有限公司 | Image acquisition device and image acquisition method |
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2017
- 2017-12-19 CN CN201721774653.0U patent/CN207530934U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107451532A (en) * | 2017-07-07 | 2017-12-08 | 广东欧珀移动通信有限公司 | Infrared light supply, iris recognition module and electronic installation |
| CN109067945A (en) * | 2018-09-10 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of single camera realizes the method and device of night scene enhancing |
| CN108881701A (en) * | 2018-09-30 | 2018-11-23 | 华勤通讯技术有限公司 | Image pickup method, camera, terminal device and computer readable storage medium |
| CN109544618A (en) * | 2018-10-30 | 2019-03-29 | 华为技术有限公司 | A kind of method and electronic equipment obtaining depth information |
| CN109635539A (en) * | 2018-10-30 | 2019-04-16 | 华为技术有限公司 | A kind of face identification method and electronic equipment |
| CN111131554A (en) * | 2018-10-31 | 2020-05-08 | 北京小米移动软件有限公司 | Terminal device |
| CN112135012A (en) * | 2019-06-25 | 2020-12-25 | 杭州海康威视数字技术股份有限公司 | Image acquisition device and image acquisition method |
| CN110221414A (en) * | 2019-07-22 | 2019-09-10 | 浙江舜宇光学有限公司 | Photographic device and electronic equipment equipped with the photographic device |
| CN110221414B (en) * | 2019-07-22 | 2024-04-16 | 浙江舜宇光学有限公司 | Image pickup apparatus and electronic device equipped with the same |
| CN110850775A (en) * | 2019-11-20 | 2020-02-28 | 吉林省稷坤农业科技有限公司 | Environmental data wireless monitoring system for intelligent agriculture and working method thereof |
| CN112016491A (en) * | 2020-09-03 | 2020-12-01 | 北京优彩科技有限公司 | Intelligent makeup removing mirror and control method and AI algorithm thereof |
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