CN205647713U - Take iris recognition function's two megapixel cell -phone camera modules - Google Patents
Take iris recognition function's two megapixel cell -phone camera modules Download PDFInfo
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- CN205647713U CN205647713U CN201620392206.8U CN201620392206U CN205647713U CN 205647713 U CN205647713 U CN 205647713U CN 201620392206 U CN201620392206 U CN 201620392206U CN 205647713 U CN205647713 U CN 205647713U
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Abstract
The utility model relates to a take iris recognition function's two megapixel cell -phone camera modules includes base plate (1), base plate (1) is the list structure, base plate (1) one end is attached to have image sensor (2), base plate (1) other end is provided with the board to board connector (1.1), the board to board connector (1.1) through the printed wire on base plate (1) and image sensor (2) electric connection mutually, still install base (3) on base plate (1), the joint is gone up in base (3) has camera lens (4), camera lens (4) are located the top of image sensor (2), and are provided with light filter (5) between image sensor (2) and camera lens (4), the light filter has plated by the membrane on (5). The utility model relates to a take iris recognition function's two megapixel cell -phone camera modules can carry out the identification.
Description
Technical field
This utility model relates to a kind of mobile phone camera module, especially relates to a kind of photographic head module on mobile phone and with iris identifying function.
Background technology
At present, along with the large-scale application of mobile Internet communication, mobile Internet pays and has been dissolved in daily life, typically by password, personal account is encrypted protection in payment process；But, password is the most easily forgotten, and exists and be utilized the probability that mobile Internet cracks；Therefore to improve mobile Internet safety of payment performance, identity recognizing technology based on biological characteristic starts extensively to apply, and these identification technology with identity characteristic have the features such as uniqueness, stability, untouchable, antifalsification；And the iris identification in the identity recognizing technology of these biological characteristics starts to have obtained the extensive concern of people；
Iris is an ingredient of eyes, the annular section between human eye surface's black pupil and white sclera.Iris is an internal of eyes.But, the cornea before being positioned at iris is transparent, and therefore iris is again externally visible；
Iris identification, iris is under the infrared light (typically between 700-900 nanometer) of certain wavelength irradiates, present a kind of radial structure from inside to outside generally, comprise many interlaced fine structures being similar to the shapes such as speckle, striped, crypts；Generally, these fine features are referred to as the textural characteristics of iris by us.Iris recognition technology i.e. uses special optics image capture instrument to gather human eye iris image, then by digital image processing techniques, pattern recognition and artificial intelligence technology, the iris image collected processed, store, comparison, it is achieved certification and the identification to personnel identity.
Therefore compared to other recognition method, iris identification can realize the identification of pinpoint accuracy by scanning the iris of human eye, can complete corresponding identity recognition function hence with the photographic head carried on mobile phone, it is not necessary to increases additional hardware；To this end, need a kind of brand-new mobile phone iris recognition camera head of exploitation badly, with the problem solving other identification technology above-mentioned.
Utility model content
The purpose of this utility model is to provide two mega pixel mobile phone camera modules of a kind of band iris identifying function that can carry out identification.
The purpose of this utility model is achieved in that
A kind of two mega pixel mobile phone camera modules of band iris identifying function, described photographic head module includes substrate, described substrate is list structure, described substrate one end is pasted with imageing sensor, the described substrate other end is provided with board to board connector, described board to board connector is electrically connected with imageing sensor by the printed wire on substrate, it is also equipped with base on described substrate, it is connected with camera lens on described base, described camera lens is positioned at the top of imageing sensor, and between imageing sensor and camera lens, it is provided with optical filter, described optical filter is coated with cut film.
Two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function, the cut film conducting wavelength on described optical filter is the infrared light in the range of 790 ~ 860nm.
Two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function, the width of described base is 5.5 ± 0.05mm, and the width of described substrate is 5.5 ± 0.05mm.
Two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function, the angle of visual field of described camera lens is 27.8deg, and object distance is 30 ~ 60cm.
Compared with prior art, the beneficial effects of the utility model are:
This utility model, by the setting of the cut film on optical filter and optical filter, eliminates the veiling glare impact on iris identification；And by reflection visible ray, transmission specific wavelength infrared light, even if so that accurate iris identification also can be carried out in the case of insufficient light；It addition, the device for iris identification is installed in substrate one end, the board to board connector being used for connecting is installed in one end, is located remotely from each other so that identify and externally transmit, is not only advantageous to reduce product thickness, and avoids signal disturbing；Meanwhile, by the size of base and substrate is mated, reduce the volume of photographic head, contribute to realizing miniaturization；Meanwhile, the board to board connector realizing being connected with mobile phone it is provided for by back so that when applying, this utility model photographic head is installed more convenient；Finally, by the selection through the angle of view and object distance, while ensureing accuracy of identification, reduce the manufacturing cost of photographic head, be conducive to improving the market competitiveness of photographic head, contribute to iris recognition technology all-round popularization application on mobile phone.
Accompanying drawing explanation
Fig. 1 is the structural representation of two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function.
Fig. 2 is the structural representation of two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function.
Fig. 3 is the section of structure of two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function.
Fig. 4 is the spectrogram of the cut film being coated with on the optical filter of two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function.
Fig. 5 is the structural representation of the camera lens of two mega pixel mobile phone camera modules of this utility model a kind of band iris identifying function.
Wherein:
Substrate 1, imageing sensor 2, base 3, camera lens 4, optical filter 5；
Board to board connector 1.1.
Detailed description of the invention
See Fig. 1 ~ 3, two mega pixel mobile phone camera modules of a kind of band iris identifying function that this utility model relates to；Described photographic head module includes substrate 1；Described substrate 1 is list structure, and described substrate 1 one end is pasted with imageing sensor 2；Described substrate 1 other end is provided with board to board connector 1.1, and described board to board connector 1.1 is electrically connected with imageing sensor 2 by the printed wire on substrate 1；Being also equipped with base 3 on described substrate 1, the width of described base 3 is 5.5 ± 0.05mm；The width of described substrate 1 is 5.5 ± 0.05mm, it is simple to mobile phone realizes miniaturization；Being connected with camera lens 4 on described base 3, described camera lens 4 is positioned at the top of imageing sensor 2, and camera lens 4 is assembled light and irradiated on the image sensor；It is provided with optical filter 5 between described imageing sensor 2 and camera lens 4, described optical filter 5 is coated with cut film, in order to allow the visible ray of a wavelength range and infrared light pass through, it is ensured that accuracy rate during iris identification when light is more weak, its spectrogram is as shown in Figure 4；
Concretely, the acting as of above-mentioned all parts:
Substrate 1, the carrier board of each parts, and be used for transmitting signal；
Imageing sensor 2, converts light to data image signal；
Base 3, supports lens group；
Camera lens 4, is made up of multi-disc lens set, is used for assembling light；
Optical filter 5, allows the visible ray of a wavelength range and infrared light pass through；
Board to board connector 1.1, it is achieved photographic head module and the connection of cell phone mainboard；
Further:
The angle of visual field of described camera lens 4 is 27.8deg, and object distance is 30 ~ 60cm, as shown in Figure 5:
And it is current, the most existing iris identification module object distance is between 30 ~ 45CM, it is only capable of the identification demand realizing in shorter object distance range, the accurate of identification and required precision cannot be met for the demand occasion that object distance range is bigger, this utility model can be by regulation LENS focal position, realize identification demand in bigger object distance range 30 ~ 60CM, therefore during scanning iris, it is not necessary to relatively close to module group lens.
Additionally: it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent, any change that those skilled in the art is done according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (4)
1. two mega pixel mobile phone camera modules of a band iris identifying function, it is characterized in that: described photographic head module includes substrate (1), described substrate (1) is list structure, described substrate (1) one end is pasted with imageing sensor (2), described substrate (1) other end is provided with board to board connector (1.1), described board to board connector (1.1) is electrically connected with imageing sensor (2) by the printed wire on substrate (1), base (3) it is also equipped with on described substrate (1), camera lens (4) it is connected with on described base (3), described camera lens (4) is positioned at the top of imageing sensor (2), and between imageing sensor (2) and camera lens (4), it is provided with optical filter (5), described optical filter is coated with cut film on (5).
Two mega pixel mobile phone camera modules of a kind of band iris identifying function the most as claimed in claim 1, it is characterised in that: the cut film conducting wavelength on described optical filter (5) is the infrared light in the range of 790 ~ 860nm.
Two mega pixel mobile phone camera modules of a kind of band iris identifying function the most as claimed in claim 1, it is characterised in that: the width of described base (3) is 5.5 ± 0.05mm, and the width of described substrate (1) is 5.5 ± 0.05mm.
Two mega pixel mobile phone camera modules of a kind of band iris identifying function the most as claimed in claim 1, it is characterised in that: the angle of visual field of described camera lens (4) is 27.8deg, and object distance is 30 ~ 60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392206.8U CN205647713U (en) | 2016-05-04 | 2016-05-04 | Take iris recognition function's two megapixel cell -phone camera modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392206.8U CN205647713U (en) | 2016-05-04 | 2016-05-04 | Take iris recognition function's two megapixel cell -phone camera modules |
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| CN205647713U true CN205647713U (en) | 2016-10-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657485A (en) * | 2017-03-07 | 2017-05-10 | 广东欧珀移动通信有限公司 | Mobile terminal |
| US10834245B2 (en) | 2017-03-07 | 2020-11-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Receiver and camera assembly |
-
2016
- 2016-05-04 CN CN201620392206.8U patent/CN205647713U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657485A (en) * | 2017-03-07 | 2017-05-10 | 广东欧珀移动通信有限公司 | Mobile terminal |
| US10834245B2 (en) | 2017-03-07 | 2020-11-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Receiver and camera assembly |
| US11025759B2 (en) | 2017-03-07 | 2021-06-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic apparatus and camera assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180301 Address after: 214434 Jiangyin, Jiangsu Province, Chengjiang Mayor Hill Road, No. 78, No. Patentee after: Jiangsu Changjiang Electronics Technology Co., Ltd. Address before: 214434 Chang Shan Road, Chengdong street, Jiangyin City, Wuxi, Jiangsu Province, No. 78 Patentee before: Jiangyin Xinsheng Electronic Co., Ltd. |
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| TR01 | Transfer of patent right |