CN106094088A - A kind of have the optical filter taken pictures with iris identification concurrently - Google Patents
A kind of have the optical filter taken pictures with iris identification concurrently Download PDFInfo
- Publication number
- CN106094088A CN106094088A CN201610716408.8A CN201610716408A CN106094088A CN 106094088 A CN106094088 A CN 106094088A CN 201610716408 A CN201610716408 A CN 201610716408A CN 106094088 A CN106094088 A CN 106094088A
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- Prior art keywords
- filter
- optical filter
- iris identification
- taken pictures
- infrared
- 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.)
- Pending
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- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 4
- 230000011514 reflex Effects 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036040 emmetropia Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Blocking Light For Cameras (AREA)
Abstract
The invention discloses a kind of optical filter having concurrently and taking pictures with iris identification, described optical filter is made up of two pieces of split parts, i.e. it is spliced by one piece of cutoff filter in the same plane and one piece of infrared band pass filter, and the 10% to 50% of the length of a length of whole optical filter of infrared band pass filter；The seam crossing of described cutoff filter and infrared band pass filter is provided with photomask.The present invention has the optical filter taken pictures with iris identification concurrently, by arranging two functional areas at grade, near infrared light and the luminous ray of iris reflex is can pass through by the two functional areas, in this optical filter is arranged on same camera module, switching device need not be set, just can realize taking pictures and iris identifying function simultaneously.
Description
Technical field
The present invention relates to a kind of optical filter having concurrently and taking pictures with iris identification.
Background technology
The iris of human eye can be as important identity diagnostic characteristics, and iris recognition technology has uniqueness, stability, can adopt
Collection property, the advantage such as untouchable, and the authentication identifying method that recognition of face, voice recognition etc. are contactless relatively, have more
High accuracy.
Iris authentication system specifically includes that optical device, controller, Range Measurement System, sound prompt device, data are aobvious
Show device etc..Optical device includes multi-disc optical lens or the camera lens of liquid crystal lens composition, automatic focusing mechanism, pixel resolution pole
The device of the series of complexes such as high sensitive chip, illuminator (LED source etc.), controller includes driving means
And image processor.
At present, iris identification is typically used alone an iris recognition camera module on smart mobile phone, is only used for rainbow
Film identification and cannot be carried out visible ray and take pictures, on smart mobile phone application there is limitation.Mainly show as needing additionally to increase
One camera module of taking pictures, the most not only causes cost, high volume big, and camera and iris identifying function switching trouble.With
Time, due to smart mobile phone compact conformation, do not have position that iris recognition camera module and camera module of taking pictures are installed simultaneously.
Summary of the invention
It is an object of the invention to overcome the defect of prior art to provide a kind of optical filtering having concurrently and taking pictures with iris identification
Sheet, cutoff filter and one piece of infrared band pass filter are integrated into one by it, it is achieved can distinguish on one piece of optical filter
Through near infrared light and luminous ray.
A kind of technical scheme realizing the object of the invention is: a kind of have the optical filter taken pictures with iris identification concurrently, for monomer
Part, this monomer optical filter marks off IR cut filter district and infrared bandpass filter district, and the length in infrared bandpass filter district
The 10% to 50% of the length that degree is whole optical filter；It is provided with screening between described IR cut filter district and infrared bandpass filter district
Light film.
Above-mentioned has the optical filter taken pictures with iris identification concurrently, and wherein, described photomask is located at described IR cut filter
On the front end face towards light source in district and photomask length less than whole optical filter length 10%.
Above-mentioned has the optical filter taken pictures with iris identification concurrently, and wherein, the surface in described IR cut filter district is provided with thickness
Degree is the infrared coating of 3～5um, and the surface in described infrared bandpass filter district is provided with the iris coating that thickness is 5～6um.
The another kind of technical scheme realizing the object of the invention is: a kind of have the optical filter taken pictures with iris identification concurrently, by two
Block split part is constituted, i.e. by one piece of cutoff filter in the same plane and one piece of infrared band pass filter splicing
Become, and the 10% to 50% of the length of a length of whole optical filter of infrared band pass filter；Described cutoff filter
And the seam crossing of infrared band pass filter is provided with photomask.
Above-mentioned has the optical filter taken pictures with iris identification concurrently, and wherein, described photomask is located at described IR cut filter
On the front end face towards light source of sheet, and the length of photomask less than whole optical filter length 10%.
Above-mentioned has the optical filter taken pictures with iris identification concurrently, and wherein, described photomask is located at described IR cut filter
On the side that sheet is relative with described infrared band pass filter.
Above-mentioned has the optical filter taken pictures with iris identification, wherein, described cutoff filter and the logical filter of infrared band concurrently
Mating plate is fixed on same full impregnated light glass gasket.
Above-mentioned has the optical filter taken pictures with iris identification, wherein, described cutoff filter and the logical filter of infrared band concurrently
Mating plate is arranged in a side pressure frame.
Above-mentioned has the optical filter taken pictures with iris identification concurrently, and wherein, the surface of described cutoff filter is provided with thickness
Degree is the infrared coating of 3～5um, and the surface of described infrared band pass filter is provided with the iris coating that thickness is 5～6um.
The present invention has the optical filter taken pictures with iris identification concurrently, by cutoff filter and one piece of infrared bandpass filter
Sheet is integrated into one, and cutoff filter and one piece of infrared band pass filter can pass through luminous ray and near infrared light respectively
Line, in this optical filter is arranged on same camera module, need not arrange switching device, is able to realization and takes pictures and iris knowledge
Other function.
Accompanying drawing explanation
Fig. 1 is the plane graph that the first of the present invention has the optical filter with iris identification of taking pictures concurrently；
Fig. 2 is the plane graph that the second of the present invention has the optical filter with iris identification of taking pictures concurrently；
Fig. 3 is the profile that the second of the present invention has a kind of embodiment of the optical filter taken pictures with iris identification concurrently；
Fig. 4 is the profile that the second of the present invention has the another kind of embodiment of the optical filter taken pictures with iris identification concurrently；
Fig. 5 be the present invention to have the spectral transmission with the infrared band pass filter in the optical filter of iris identification of taking pictures concurrently bent
Line, the abscissa in figure is the wavelength of light, and unit is nanometer；Vertical coordinate is the percent light transmission of light；
Fig. 6 be the present invention to have the spectral transmission with the cutoff filter in the optical filter of iris identification of taking pictures concurrently bent
Line, the abscissa in figure is the wavelength of light, and unit is nanometer；Vertical coordinate is the percent light transmission of light.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 1, the first of the present invention has the optical filter taken pictures with iris identification concurrently, and optical filter 10 is monomer part,
IR cut filter district 11 and infrared bandpass filter district 12, and infrared bandpass filter district 12 is marked off on this monomer optical filter 10
A length of whole optical filter length 10% to 50%；Set between IR cut filter district 11 and infrared bandpass filter district 12
There is photomask 13；Photomask 13 is located on the front end face towards light source in IR cut filter district 11, and the length of photomask 13
Degree is less than the 10% of the length of whole optical filter 10；
The thickness of monomer optical filter 10 is 0.1mm, the surface in IR cut filter district 11 be provided with thickness be 3～5um red
External coating, IR cut filter district 11 reaches 98% for the light transmittance of the luminous ray that wavelength is 420nm～800nm；Infrared
The surface in bandpass filter district 12 is provided with the iris coating that thickness is 5～6um；Infrared bandpass filter district 12 will filter out wavelength
The luminous ray of 420nm～800nm and the wavelength far-infrared light more than 810nm, is only the near of 800nm～810nm to wavelength
The light transmittance of Infrared reaches 98%.
Referring to Fig. 2, the second of the present invention has the optical filter taken pictures with iris identification concurrently, and optical filter 20 is by two pieces of splits
Part is constituted, i.e. spliced by one piece of cutoff filter 21 in the same plane and one piece of infrared band pass filter 22 and
Become；The 10% to 50% of the length of a length of whole optical filter 20 of infrared band pass filter 21；Cutoff filter 21 and
The seam crossing of infrared band pass filter 22 is provided with photomask 23.Photomask 23 be located at cutoff filter 21 towards light source
On front end face, and the length of photomask 23 less than whole optical filter 20 length 10%.
The thickness of cutoff filter 21 is 0.1mm, and its surface is provided with the infrared coating that thickness is 3～5um；Infrared
Edge filter 21 reaches 98% for the light transmittance of the luminous ray that wavelength is 420nm～800nm；
The thickness of infrared band pass filter 22 is 0.1mm, and its surface is provided with the iris coating that thickness is 5～6um, infrared
Bandpass filter 22 will filter out the luminous ray and the wavelength far-infrared light more than 810nm that wavelength is 420nm～800nm,
Only the light transmittance of the near infrared light that wavelength is 800nm～810nm of most people emmetropia is reached 98%.
Photomask 23 is located on the side that cutoff filter 21 is relative with infrared band pass filter 22.Strong in order to increase
Degree, promotes the effect of shock resistance antidetonation, and cutoff filter 21 and infrared band pass filter 22 are fixed on same full impregnated light
(see Fig. 3) on glass gasket 24.The thickness of full impregnated light glass gasket 24 is 0.1mm；This full impregnated light glass gasket 24 is for wavelength
Light transmittance for the light of 420nm～850nm can reach 98%, leads to thus without affecting cutoff filter 21 and infrared band
The light transmittance of optical filter 22.
Cutoff filter 21 and infrared band pass filter 22 also may be installed in a side pressure frame 25.
In one embodiment, optical filter 3 be shaped as rectangle, total length is 6.3mm, and width is 5.3mm, infrared band lead to
The a length of 1.75mm of optical filter 32, a length of 0.1mm (see Fig. 4) of photomask 30.
The operation principle having the optical filter with iris identification of taking pictures concurrently of the present invention is:
The present invention has the optical filter taken pictures with iris identification concurrently, by cutoff filter and one piece of infrared bandpass filter
Sheet is integrated into one, and cutoff filter and one piece of infrared band pass filter can pass through luminous ray and near infrared light respectively
Line, in this optical filter is arranged on same camera module, need not arrange switching device, is able to realization and takes pictures and iris knowledge
Other function.
The present invention has the optical filter taken pictures with iris identification, simple in construction, low cost concurrently, it is adaptable to used in everyday micro-
On type terminal unit (such as small-sized electronic products such as mobile phone, panel computer, notebook computer, hand-held sets), can be utilized for mobile
The operation that the personal identifications such as payment, equipment unblock differentiate, by popular for this high-end technology of iris identification, has widened iris identification
The range of application of technology, brings more safety and facility to daily life.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or modification, the most all equivalents
Technical scheme also should belong to scope of the invention, should be limited by each claim.
Claims (9)
1. one kind has the optical filter taken pictures with iris identification concurrently, it is characterised in that described optical filter is monomer part, and this monomer filters
IR cut filter district and infrared bandpass filter district, and a length of whole optical filter in infrared bandpass filter district is marked off on sheet
Length 10% to 50%；It is provided with photomask between described IR cut filter district and infrared bandpass filter district.
The most according to claim 1 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described photomask is located at
On the front end face towards light source in described IR cut filter district and the length of photomask is less than the length of whole optical filter
10%.
The most according to claim 1 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described IR-cut is filtered
The surface in light district is provided with the infrared coating that thickness is 3～5um, and it is 5～6um that the surface in described infrared bandpass filter district is provided with thickness
Iris coating.
4. one kind has the optical filter taken pictures with iris identification concurrently, it is characterised in that described optical filter is made up of, i.e. two pieces of split parts
It is spliced by one piece of cutoff filter in the same plane and one piece of infrared band pass filter, and infrared band leads to
The 10% to 50% of the length of a length of whole optical filter of optical filter；Described cutoff filter and infrared band pass filter
Seam crossing be provided with photomask.
The most according to claim 4 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described photomask is located at
On the front end face towards light source of described cutoff filter, and the length of photomask is less than the length of whole optical filter
10%.
The most according to claim 4 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described photomask is located at
On the side that described cutoff filter is relative with described infrared band pass filter.
The most according to claim 4 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described IR-cut is filtered
Mating plate and infrared band pass filter are fixed on same full impregnated light glass gasket.
The most according to claim 4 have the optical filter taken pictures with iris identification concurrently, it is characterised in that described IR-cut is filtered
Mating plate and infrared band pass filter are arranged in a side pressure frame.
9. have the optical filter taken pictures with iris identification concurrently according to any one described in claim 4 to 8, it is characterised in that institute
The surface stating cutoff filter is provided with the infrared coating that thickness is 3～5um, and the surface of described infrared band pass filter is provided with
Thickness is the iris coating of 5～6um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716408.8A CN106094088A (en) | 2016-08-24 | 2016-08-24 | A kind of have the optical filter taken pictures with iris identification concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716408.8A CN106094088A (en) | 2016-08-24 | 2016-08-24 | A kind of have the optical filter taken pictures with iris identification concurrently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106094088A true CN106094088A (en) | 2016-11-09 |
Family
ID=57224896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716408.8A Pending CN106094088A (en) | 2016-08-24 | 2016-08-24 | A kind of have the optical filter taken pictures with iris identification concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106094088A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444222A (en) * | 2016-11-22 | 2017-02-22 | 宁波舜宇光电信息有限公司 | Camera module for iris identification and equipment using module |
| CN106454053A (en) * | 2016-11-22 | 2017-02-22 | 宁波舜宇光电信息有限公司 | Camera module used for iris recognition and equipment thereof |
| CN106597777A (en) * | 2016-12-06 | 2017-04-26 | 栗明 | Infrared transmission device of head-mounted display equipment based on iris recognition |
| CN106773457A (en) * | 2016-12-22 | 2017-05-31 | 信利光电股份有限公司 | A kind of camera module of integrated iris and auto heterodyne camera function |
| CN106773039A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | It is a kind of based on the infrared lamp penetrating apparatus for wearing display device |
| CN107273874A (en) * | 2017-07-14 | 2017-10-20 | 广东欧珀移动通信有限公司 | Filter coating, iris recognition module and electronic installation |
| CN108173986A (en) * | 2017-12-13 | 2018-06-15 | 广东欧珀移动通信有限公司 | For the iris recognition component of electronic device and with its electronic device |
| CN109274862A (en) * | 2017-07-17 | 2019-01-25 | 上海荆虹电子科技有限公司 | Image sensor and iris recognition camera head mould group |
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| CN102572249A (en) * | 2012-03-08 | 2012-07-11 | 湖南创远智能科技有限公司 | Dual-mode imaging optical system for face and iris |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444222A (en) * | 2016-11-22 | 2017-02-22 | 宁波舜宇光电信息有限公司 | Camera module for iris identification and equipment using module |
| CN106454053A (en) * | 2016-11-22 | 2017-02-22 | 宁波舜宇光电信息有限公司 | Camera module used for iris recognition and equipment thereof |
| CN106597777A (en) * | 2016-12-06 | 2017-04-26 | 栗明 | Infrared transmission device of head-mounted display equipment based on iris recognition |
| CN106773039A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | It is a kind of based on the infrared lamp penetrating apparatus for wearing display device |
| CN106773457A (en) * | 2016-12-22 | 2017-05-31 | 信利光电股份有限公司 | A kind of camera module of integrated iris and auto heterodyne camera function |
| CN107273874A (en) * | 2017-07-14 | 2017-10-20 | 广东欧珀移动通信有限公司 | Filter coating, iris recognition module and electronic installation |
| CN109274862A (en) * | 2017-07-17 | 2019-01-25 | 上海荆虹电子科技有限公司 | Image sensor and iris recognition camera head mould group |
| CN108173986A (en) * | 2017-12-13 | 2018-06-15 | 广东欧珀移动通信有限公司 | For the iris recognition component of electronic device and with its electronic device |
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Application publication date: 20161109 |