CN203734738U - Iris identification camera module group applied to mobile terminal - Google Patents
Iris identification camera module group applied to mobile terminal Download PDFInfo
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- CN203734738U CN203734738U CN201420090333.3U CN201420090333U CN203734738U CN 203734738 U CN203734738 U CN 203734738U CN 201420090333 U CN201420090333 U CN 201420090333U CN 203734738 U CN203734738 U CN 203734738U
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- 238000003384 imaging method Methods 0.000 claims abstract description 6
- 238000005286 illumination Methods 0.000 claims abstract description 5
- 238000001471 micro-filtration Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 208000016339 iris pattern Diseases 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 210000003786 sclera Anatomy 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses an iris identification camera module group applied to a mobile terminal. The camera module group comprises an image sensor including a micro filter layer approaching a lens and a light-sensitive sensor far away from the lens. The micro filter layer includes a plurality of micro filter units arranged in an array mode; the light-sensitive sensor includes a plurality of pixel units corresponding to all micro filter units vertically from the upper side to the lower side; and each pixel unit corresponding to one pixel point of an image. Therefore, the camera module group can carry out imaging normally in a visible light environment without color cast; and iris identification can be carried out under the circumstances that an infrared illumination unit light source exists. Moreover, the provided iris identification camera module group has advantages of novel structure, small and exquisite size, batch production realization, and low cost; iris identification authentication is carried out on a mobile phone, a tablet personal computer, and a notebook computer; and user information security can be protected well.
Description
Technical field
The utility model relates to a kind of camera module, particularly a kind of iris recognition camera head mould group for mobile terminal.
Background technology
Iris is a part of eyes, is the ring-type tissue between pupil and sclera, and the iris patterns of every eyes is different, and unchangeable.Iris recognition has the advantages such as uniqueness is high, stability is strong, non-infringement, has successfully been applied to airport, customs, bank, the identity authentication of the occasions such as prison.
Personal information security and the network interaction information security issue of mobile device (such as mobile phone, panel computer, notebook computer etc.) are outstanding all the more at present.In order to ensure information safety, a lot of manufacturers are the integrated multiple device for identification on mobile device.For example, success of mobile device is integrated, and recognition of face or fingerprint identification device are used for identification.But these identity recognition devices all have shortcoming, for example, the recognition correct rate of face recognition technology is low, therefore can not independently solve high level information security issue, as alternate network payment cipher etc.The shortcoming of fingerprint identification technology is, need to add extra fingerprint collecting hardware module in the time being integrated on mobile terminal, has not only destroyed the appearance looks elegant degree of mobile terminal, has increased the volume of mobile terminal, and has increased the cost of mobile device.In addition, because people's fingerprint is easily forged, therefore do not utilize in the information security issue that is applied in higher level.In addition, fingerprint is as the feature that is exposed to human body surface, is also easily subject to ectocine and breakage is for example subject to wound, therefore cannot serve as a kind of effective and stable personal identification method.
Compare recognition of face and fingerprint identification technology, iris recognition has the advantages such as uniqueness is high, stability is strong, non-infringement, and mobile device, as all having had camera module on mobile phone, panel computer, removable computer for taking pictures, can be realized iris recognition with these camera modules completely at present.
Current common camera module mainly comprises image sensor element and picture processing chip etc., and image sensor element is mainly divided into charge coupled cell (CCD) and complementary metal oxide semiconductors (CMOS) (CMOS).The wave-length coverage of visible ray is 380～780nm, and 780nm belongs to infrared light part above, and CCD and CMOS can respond to visible ray, also can respond to infrared light.In the time that infrared light and visible ray enter into CCD or CMOS by its induction simultaneously, the color of taking the environment that image color out can see with human eye is inconsistent, i.e. so-called colour cast, and this is because infrared light destroys color rendition.Producer is in order to obtain better color rendition under natural daylight, is arranged at before CCD or CMOS and carrys out filtering infrared light with cutoff filter.And when iris recognition, in order to gather iris image clearly, must in the time gathering iris, increase infrared illumination, now, adopt general camera module cannot collect enough iris images clearly.
Therefore, need a kind of camera module that can effectively address the above problem.
Summary of the invention
The utility model provides a kind of camera module of the iris recognition for mobile device of novelty.
According to first aspect of the present utility model, the utility model proposes a kind of camera module for iris recognition, a kind of iris recognition camera head mould group for mobile terminal, this module comprises: lens set, formed by 1 or multi-disc eyeglass, can converge or diverging light, eyeglass seat, for fixing described lens set, forms camera lens entirety, lens mount, for keeping described camera lens, makes it possible to the focusing by rotating or stretch to adjust camera lens, imageing sensor, can become digital signal by light energy conversion, forms digital picture, circuit board, for transmission or processing digital signal, infrared illumination unit, for launching Infrared under iris screening-mode, wherein, described imageing sensor comprises the micro-filtration mirror layer of close lens arrangement and the photosensitive sensor away from lens arrangement, described micro-filtration mirror layer comprises multiple micro-filtration mirror units arranged into an array, described photosensitive sensor comprises and each micro-filtration mirror unit multiple pixels unit of vertical corresponding layout up and down, a pixel of each pixel unit correspondence image, in described micro-filtration mirror layer, up and down adjacent and composition foursquare four micro-filtration mirror units be respectively transmit red light, green glow, the red filter of blue light and infrared light, green filter, blue filter and infrared filter, red filter and blue filter diagonal angle are arranged, green filter and infrared filter diagonal angle are arranged, each filter unit can only the corresponding coloured light of transmission, other coloured light are all absorbed by filter, accordingly, pixel unit is to carrying out imaging by the corresponding coloured light of described four adjacent micro-filtration mirror units.
Preferably, this iris recognition camera head mould group also comprises bilateral filter, and thickness is 0.21mm～0.3mm, can allow the wave-length coverage be that the visible ray of 400～650nm and infrared light that wave-length coverage is 820nm～880nm pass through.
Preferably, the equivalent focal length of the camera lens of described module is 2.5mm～5mm; Aperture Range is 2.0～2.8; Lens mount diameter of phi 4mm～Φ 8mm; Optics total length is 3mm～6mm.
Preferably, it is square that final finished camera module is of a size of minimum 6x6mm, is 8.5x8.5mm to the maximum square; Thickness is 4mm～10mm.
The utility model novel structure, volume are small and exquisite, batch production; cost is lower, if used on mobile phone, panel computer, notebook computer, by under the prerequisite constant camera function retaining camera module; increase the function of iris recognition, and be conducive to protect user's information security.
The description and the follow-up detailed description that should be appreciated that aforementioned cardinal principle are exemplary illustration and explanation, should the restriction to the claimed content of the present invention with do.
Brief description of the drawings
With reference to the accompanying drawing of enclosing, the more object of the present invention, function and advantage are illustrated the following description by embodiment of the present invention, wherein:
Fig. 1 schematically shows the structural representation of an embodiment of camera module of the present utility model.
Fig. 2 (a) and Fig. 2 (b) schematically show respectively the whole and part structure chart of imageing sensor 105, and wherein Fig. 2 (b) is the detailed structure view of the local A of Fig. 2 (a).
Fig. 3 schematically shows the structural representation of another embodiment of camera module of the present utility model.
Embodiment
Below with reference to accompanying drawing, further illustrate utility model by the example of embodiment.
By reference to example embodiment, object of the present invention and function and will be illustrated for the method that realizes these objects and function.But the present invention is not limited to following disclosed example embodiment; Can be realized it by multi-form.The essence of specification is only to help various equivalent modifications Integrated Understanding detail of the present invention.In the accompanying drawings, identical Reference numeral represents same or similar parts, or same or similar step.
Fig. 1 is according to the structural representation of the first embodiment of camera module of the present utility model.
In the embodiment shown in fig. 1, camera module 100 comprises: lens set 101, formed by 1 or multi-disc eyeglass, and can work the effect that converges or disperse to light; Eyeglass seat 102, for fixing len, forms camera lens entirety; Lens mount 103, rotatably keeps eyeglass seat 102, to adjust lens focus point by rotating lens or by adjusting voice coil motor, makes clear picture; Imageing sensor 105, can change the energy dress of light into digital signal, forms digital picture; Circuit board 106-108, for transmission or processing digital signal; Infrared illumination unit 109 and 109 ' for launching Infrared, only uses in the time that iris is taken.
Fig. 2 (a) and Fig. 2 (b) schematically show respectively the whole and part structure chart of imageing sensor 105.
As shown in Fig. 2 (a), imageing sensor 105 comprises the micro-filtration mirror layer 201 of close camera lens and the photosensitive sensor 202 away from camera lens.
Micro-filtration mirror layer 201 comprises multiple micro-filtration mirror units arranged into an array.Photosensitive sensor 202 comprises and each micro-filtration mirror unit multiple pixels unit of vertical corresponding layout up and down, a pixel of each pixel unit correspondence image.
Getting the local A amplification of Fig. 2 (a) sees, as shown in Fig. 2 (b), adjacent and foursquare four micro-filtration mirror unit 2011-2014 of composition are respectively the filter of Four types up and down, respectively red filter, green filter, blue filter and infrared filter, transmit red light, green glow, blue light and infrared light respectively.The local A that four micro-filtration mirror units like this form has multiple on micro-filtration mirror layer 201, composition micro-filtration mirror unit array.
Concrete, first micro-filtration mirror unit 2011 is red filter, what diagonal angle was arranged with it is the 4th micro-filtration mirror unit 2014 as blue filter.The second micro-filtration mirror unit 2012 and the 3rd micro-filtration mirror unit 2013 diagonal angles are arranged, are respectively green filter and infrared filter.
That is to say, each filter unit can only the corresponding coloured light of transmission, and other coloured light are all absorbed by filter.Then by pixel unit 2021-2024 correspondingly to carrying out imaging by the corresponding coloured light of four micro-filtration mirror unit 2011-2014.
When imaging, if daily screening-mode, the RGB coloured light information obtaining according to the pixel unit by adjacent is calculated the RGB component of each pixel, restores the realistic colour of photo; If iris recognition pattern, the infrared light information obtaining according to the pixel unit by adjacent is calculated the IR component of each pixel, to obtain infrared light iris image clearly.
Because adjacent pixel is small-sized and distance is very near, so while obtaining image, can adopt the mean value of the color value of adjacent picture elements unit to be illustrated in the composition component of this this color of position.Different according to application, also can adopt the methods such as interpolation to calculate.
Concrete, at daily screening-mode, calculated example is during as the image information of the pixel corresponding with 2011 positions, red filter unit, and B divides the mean value of the blue light color value that measures four nearest blue pixel unit.Same G divides the mean value of the green glow color value that measures four nearest green pixel unit, so utilizes RGB component can restore the realistic colour of photographic images.
Similarly, under iris recognition pattern, during as the IR image information of the pixel corresponding with 2011 positions, red filter unit, adopt the mean value of adjacent IR value with it to represent in calculated example, so just can obtain complete iris image.
According to the iris recognition camera head mould group of the mobile terminal device for miniaturization of the present utility model, the equivalent focal length of camera lens is 2.5mm～5mm; Aperture Range is 2.0～2.8; The specification of lens mount is Φ 4mm～Φ 8mm; Optics total length is 3mm～6mm; It is square that final finished camera module is of a size of minimum 6x6mm, is 8.5x8.5mm to the maximum square; Thickness is 4mm～10mm.
Fig. 3 schematically shows the structural representation of another embodiment of camera module of the present utility model.
Different from the embodiment of Fig. 1 is, between lens set 101 in Fig. 3 and IMAQ transducer 105, increase a filter 104, this filter 104 adopts bilateral coating technique to form, thickness is 0.21mm～0.3mm, can allow the wave-length coverage be that the visible light transmission of 400～650nm is 80%～95%, also can allow the wave-length coverage be that the infrared light percent of pass of 820nm～880nm reaches 50%～95%.Filter 104 is fixed on lens mount 103 with gluing or other fixed form, thereby makes the compact conformation of camera module.
Increase filter 104 and can better filter specified wavelength infrared light and specified wavelength visible ray light in addition, reach better imaging effect.
To sum up, can compatible the wave-length coverage visible ray that is 400～650nm and the near-infrared being preferably within the scope of 820nm-880nm take according to camera module 100 of the present utility model, there is common camera function, the function of iris image is taken in expansion simultaneously, make on the such compact apparatus of mobile terminal, only need a camera module can realize conventional shooting and two kinds of functions of iris recognition integrated.
In conjunction with the explanation of the present invention and the practice that disclose here, other embodiment of the present invention are easy to expect and understand for those skilled in the art.Illustrate with embodiment and be only considered to exemplary, true scope of the present invention and purport limit by claim.
Claims (4)
1. for an iris recognition camera head mould group for mobile terminal, this module comprises:
Lens set, is made up of 1 or multi-disc eyeglass, can converge or diverging light;
Eyeglass seat, for fixing described lens set, forms camera lens entirety;
Lens mount, for keeping described camera lens, makes it possible to the focusing by rotating or stretch to adjust camera lens;
Imageing sensor, can become digital signal by light energy conversion, forms digital picture;
Circuit board, for transmission or processing digital signal;
Infrared illumination unit, only for launching Infrared under iris screening-mode;
Wherein, described imageing sensor comprises the micro-filtration mirror layer of close lens arrangement and the photosensitive sensor away from lens arrangement, described micro-filtration mirror layer comprises multiple micro-filtration mirror units arranged into an array, described photosensitive sensor comprises and each micro-filtration mirror unit multiple pixels unit of vertical corresponding layout up and down, a pixel of each pixel unit correspondence image;
In described micro-filtration mirror layer, up and down adjacent and composition red filter, green filter, blue filter and an infrared filter that foursquare four micro-filtration mirror units are respectively transmit red light, green glow, blue light and infrared light, red filter and blue filter diagonal angle are arranged, green filter and infrared filter diagonal angle are arranged, each filter unit can only the corresponding coloured light of transmission, other coloured light are all absorbed by filter, accordingly, pixel unit is to carrying out imaging by the corresponding coloured light of described four adjacent micro-filtration mirror units.
2. iris recognition camera head mould group according to claim 1, wherein, also comprises bilateral filter, and thickness is 0.21mm～0.3mm, can allow the wave-length coverage be that the visible ray of 400～650nm and infrared light that wave-length coverage is 820nm～880nm pass through.
3. iris recognition camera head mould group according to claim 1, wherein, the equivalent focal length of the camera lens of described module is 2.5mm～5mm; Aperture Range is 2.0～2.8; Lens mount diameter of phi 4mm～Φ 8mm; Optics total length is 3mm～6mm.
4. iris recognition camera head mould group according to claim 1, wherein, it is square that final finished camera module is of a size of minimum 6x6mm, is 8.5x8.5mm to the maximum square; Thickness is 4mm～10mm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090333.3U CN203734738U (en) | 2014-02-28 | 2014-02-28 | Iris identification camera module group applied to mobile terminal |
| PCT/CN2015/071445 WO2015113479A1 (en) | 2014-01-28 | 2015-01-23 | Mobile terminal iris recognition method and device having human-computer interaction mechanism |
| US15/222,609 US9798927B2 (en) | 2014-01-28 | 2016-07-28 | Mobile terminal iris recognition method and device having human-computer interaction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090333.3U CN203734738U (en) | 2014-02-28 | 2014-02-28 | Iris identification camera module group applied to mobile terminal |
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| CN203734738U true CN203734738U (en) | 2014-07-23 |
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| CN201420090333.3U Expired - Lifetime CN203734738U (en) | 2014-01-28 | 2014-02-28 | Iris identification camera module group applied to mobile terminal |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394306A (en) * | 2014-11-24 | 2015-03-04 | 北京中科虹霸科技有限公司 | Multi-channel multi-zone coated camera module and equipment for iris recognition |
| CN104580854A (en) * | 2014-12-23 | 2015-04-29 | 南昌欧菲光电技术有限公司 | Imaging device and mobile terminal |
| CN104735325A (en) * | 2015-04-07 | 2015-06-24 | 北京释码大华科技有限公司 | Mobile terminal imaging device and mobile terminal |
| WO2015113479A1 (en) * | 2014-01-28 | 2015-08-06 | 北京中科虹霸科技有限公司 | Mobile terminal iris recognition method and device having human-computer interaction mechanism |
| CN105100567A (en) * | 2015-07-13 | 2015-11-25 | 南昌欧菲光电技术有限公司 | Imaging device and mobile terminal |
| CN105184221A (en) * | 2015-08-10 | 2015-12-23 | 刘学明 | Self-brining-visible-light-source-based mobile terminal iris gatherer |
| CN105338227A (en) * | 2014-08-06 | 2016-02-17 | 南昌欧菲光电技术有限公司 | Imaging module and mobile terminal |
| CN105611136A (en) * | 2016-02-26 | 2016-05-25 | 联想(北京)有限公司 | Image sensor and electronic equipment |
| CN105635548A (en) * | 2016-03-29 | 2016-06-01 | 联想(北京)有限公司 | Image pickup module set |
| CN106094088A (en) * | 2016-08-24 | 2016-11-09 | 上海光和光学制造大丰有限公司 | A kind of have the optical filter taken pictures with iris identification concurrently |
| CN106355161A (en) * | 2016-09-05 | 2017-01-25 | 信利光电股份有限公司 | Iris recognition module and cellphone |
| CN106412531A (en) * | 2015-08-12 | 2017-02-15 | 杭州海康威视数字技术股份有限公司 | Pixel array member, image processing device, and camera |
| CN106529438A (en) * | 2016-11-01 | 2017-03-22 | 信利光电股份有限公司 | Iris recognition camera module and terminal equipment |
| WO2017049923A1 (en) * | 2015-06-17 | 2017-03-30 | 广州市巽腾信息科技有限公司 | Multi-function mobile image processing apparatus, processing method, and application |
| CN106973233A (en) * | 2017-04-27 | 2017-07-21 | 维沃移动通信有限公司 | A kind of camera, mobile terminal and processing method of taking pictures |
| CN107370918A (en) * | 2017-06-30 | 2017-11-21 | 联想(北京)有限公司 | Image collecting device, electronic equipment and its application method |
| CN107809601A (en) * | 2017-11-24 | 2018-03-16 | 深圳先牛信息技术有限公司 | Imaging sensor |
| CN108426637A (en) * | 2018-05-11 | 2018-08-21 | Oppo广东移动通信有限公司 | A kind of light component computational methods, imaging sensor and camera module |
| CN109074438A (en) * | 2016-02-03 | 2018-12-21 | 北京释码大华科技有限公司 | With the biological characteristic complex imaging system and method for visible light multiplexing |
| WO2019029332A1 (en) * | 2017-08-07 | 2019-02-14 | 宁波舜宇光电信息有限公司 | Camera module and manufacturing method therefor, and corresponding intelligent terminal |
| CN109840460A (en) * | 2017-11-28 | 2019-06-04 | 武汉真元生物数据有限公司 | A kind of iris capturing system |
| CN110248050A (en) * | 2018-03-07 | 2019-09-17 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN111416931A (en) * | 2020-05-15 | 2020-07-14 | 电子科技大学中山学院 | Front camera suitable for comprehensive screen mobile phone |
| CN112380912A (en) * | 2020-10-21 | 2021-02-19 | 天津中科智能识别产业技术研究院有限公司 | Iris recognition device in marcing |
-
2014
- 2014-02-28 CN CN201420090333.3U patent/CN203734738U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015113479A1 (en) * | 2014-01-28 | 2015-08-06 | 北京中科虹霸科技有限公司 | Mobile terminal iris recognition method and device having human-computer interaction mechanism |
| CN105338227A (en) * | 2014-08-06 | 2016-02-17 | 南昌欧菲光电技术有限公司 | Imaging module and mobile terminal |
| CN104394306B (en) * | 2014-11-24 | 2018-02-27 | 北京中科虹霸科技有限公司 | Camera module and equipment for the multichannel multizone plated film of iris recognition |
| CN104394306A (en) * | 2014-11-24 | 2015-03-04 | 北京中科虹霸科技有限公司 | Multi-channel multi-zone coated camera module and equipment for iris recognition |
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| CN104735325A (en) * | 2015-04-07 | 2015-06-24 | 北京释码大华科技有限公司 | Mobile terminal imaging device and mobile terminal |
| CN104735325B (en) * | 2015-04-07 | 2018-01-26 | 北京释码大华科技有限公司 | The imaging device and mobile terminal of a kind of mobile terminal |
| WO2017049923A1 (en) * | 2015-06-17 | 2017-03-30 | 广州市巽腾信息科技有限公司 | Multi-function mobile image processing apparatus, processing method, and application |
| CN105100567A (en) * | 2015-07-13 | 2015-11-25 | 南昌欧菲光电技术有限公司 | Imaging device and mobile terminal |
| CN105100567B (en) * | 2015-07-13 | 2019-07-16 | 南昌欧菲光电技术有限公司 | Imaging device and mobile terminal |
| CN105184221A (en) * | 2015-08-10 | 2015-12-23 | 刘学明 | Self-brining-visible-light-source-based mobile terminal iris gatherer |
| CN106412531A (en) * | 2015-08-12 | 2017-02-15 | 杭州海康威视数字技术股份有限公司 | Pixel array member, image processing device, and camera |
| CN106412531B (en) * | 2015-08-12 | 2019-04-12 | 杭州海康威视数字技术股份有限公司 | Pixel array component, image processing apparatus and video camera |
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| CN105611136A (en) * | 2016-02-26 | 2016-05-25 | 联想(北京)有限公司 | Image sensor and electronic equipment |
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| CN105635548A (en) * | 2016-03-29 | 2016-06-01 | 联想(北京)有限公司 | Image pickup module set |
| CN106094088A (en) * | 2016-08-24 | 2016-11-09 | 上海光和光学制造大丰有限公司 | A kind of have the optical filter taken pictures with iris identification concurrently |
| CN106355161A (en) * | 2016-09-05 | 2017-01-25 | 信利光电股份有限公司 | Iris recognition module and cellphone |
| CN106529438A (en) * | 2016-11-01 | 2017-03-22 | 信利光电股份有限公司 | Iris recognition camera module and terminal equipment |
| CN106973233A (en) * | 2017-04-27 | 2017-07-21 | 维沃移动通信有限公司 | A kind of camera, mobile terminal and processing method of taking pictures |
| CN107370918A (en) * | 2017-06-30 | 2017-11-21 | 联想(北京)有限公司 | Image collecting device, electronic equipment and its application method |
| WO2019029332A1 (en) * | 2017-08-07 | 2019-02-14 | 宁波舜宇光电信息有限公司 | Camera module and manufacturing method therefor, and corresponding intelligent terminal |
| US11394861B2 (en) | 2017-08-07 | 2022-07-19 | Ningbo Sunny Opotech Co., Ltd. | Camera module, manufacturing method thereof and corresponding intelligent terminal |
| CN107809601A (en) * | 2017-11-24 | 2018-03-16 | 深圳先牛信息技术有限公司 | Imaging sensor |
| CN109840460A (en) * | 2017-11-28 | 2019-06-04 | 武汉真元生物数据有限公司 | A kind of iris capturing system |
| CN110248050A (en) * | 2018-03-07 | 2019-09-17 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN108426637A (en) * | 2018-05-11 | 2018-08-21 | Oppo广东移动通信有限公司 | A kind of light component computational methods, imaging sensor and camera module |
| CN111416931A (en) * | 2020-05-15 | 2020-07-14 | 电子科技大学中山学院 | Front camera suitable for comprehensive screen mobile phone |
| CN112380912A (en) * | 2020-10-21 | 2021-02-19 | 天津中科智能识别产业技术研究院有限公司 | Iris recognition device in marcing |
| CN112380912B (en) * | 2020-10-21 | 2023-05-02 | 天津中科智能识别产业技术研究院有限公司 | Iris recognition device in advancing |
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Granted publication date: 20140723 |