CN207182348U - Optical finger print identifies module and electronic installation - Google Patents
Optical finger print identifies module and electronic installation Download PDFInfo
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- CN207182348U CN207182348U CN201721190911.0U CN201721190911U CN207182348U CN 207182348 U CN207182348 U CN 207182348U CN 201721190911 U CN201721190911 U CN 201721190911U CN 207182348 U CN207182348 U CN 207182348U
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- light
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- finger print
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- optical finger
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Abstract
The utility model discloses a kind of optical finger print identification module and electronic installation.Optical finger print identification module includes circuit board, optical fingerprint sensor, interference light filtering film and light source.Optical fingerprint sensor is located on circuit board.Optical fingerprint sensor includes upper surface, and interference light filtering film is located on upper surface.The light of light source transmitting is blue green light.Interference light filtering film is configured to permit blue green light to penetrate and filters other light.The optical finger print identification module of the utility model embodiment sets interference light filtering film in the upper surface of optical fingerprint sensor, interference light filtering film can filter other light in addition to blue green light such as infrared light, the infrared light in environment can be avoided to cause optical fingerprint sensor saturation, so as to reduce interference of other light to optical fingerprint sensor, optical finger print identification module is set to collect clearly fingerprint.
Description
Technical field
Technical field of biometric identification is the utility model is related to, identifies that module and electronics fill more particularly, to a kind of optical finger print
Put.
Background technology
Visible ray is used to be vulnerable to the dry of external environmental light as light source in the optical finger print identification module of correlation technique
Disturb.When user is in outdoor application optical finger print identification module unblock electronic installation, outdoor environment light mid-infrared light easily causes light
Fingerprint sensor saturation is learned, leading to not acquisition, clearly fingerprint image, fingerprint recognition effect are poor.
Utility model content
Embodiment of the present utility model provides a kind of optical finger print identification module and electronic installation.
A kind of optical finger print identification module of the utility model embodiment, including：
Circuit board；
Optical fingerprint sensor on the circuit board, the optical fingerprint sensor include upper surface；
Interference light filtering film, the interference light filtering film are located at the upper surface；With
Light source, the interference light filtering film are configured to permit blue green light to penetrate and filter other light.
The optical finger print identification module of the utility model embodiment sets interference filter in optical fingerprint sensor upper surface
Light film, interference light filtering film can filter other light in addition to blue green light such as infrared light, the infrared light in environment can be avoided to cause
Optical fingerprint sensor saturation, so as to reduce interference of other light to optical fingerprint sensor, optical finger print is set to identify module
Enough collect clearly fingerprint.
In some embodiments, the circuit board includes substrate and flexible PCB, and the optical fingerprint sensor is set
Put on the substrate, one end of the flexible PCB connects the lower surface of the substrate.
In this way, flexible PCB is in light weight and thickness of thin, space is saved, beneficial to optical finger print identification module miniaturization, together
When, substrate can be as support optical fingerprint sensor and the supporter of the optical finger print identification other elements of module.
In some embodiments, the optical fingerprint sensor includes：
Photosensitive layer, the photosensitive layer is formed with induction zone；With
The optical layer being arranged on the photosensitive layer, the optical layer cover the induction zone, the area of the optical layer
More than the area of the induction zone, the optical layer formed with multiple lens, the photosensitive layer be located at the optical layer with it is described
Between substrate.
In this way, optical layer can make more light collections optical finger print identification module is collected more to photosensitive layer
More optical signal, more accurately to realize fingerprint recognition.
In some embodiments, the photosensitive layer includes multiple light-sensitive elements and connection line, the multiple photosensitive member
Part forms the induction zone, and the connection line connects the multiple light-sensitive element and the substrate.
In this way, light-sensitive element can sense the light from optical layer convergence and optical signal is changed into electric signal to collect
Finger print information.
In some embodiments, the light of the light source transmitting is blue green light.
In this way, excessive infrared light can be avoided to reach optical fingerprint sensor, optical finger print identification mould is further improved
The fingerprint clear degree that group collects.
In some embodiments, the light source is located at the side of the optical fingerprint sensor, and the light source is configured
Into transmitting light to the optical fingerprint sensor, the optical fingerprint sensor is configured to the light for launching the light source
Transmit to the outside of optical finger print identification module, and receive as described in the external reflection of optical finger print identification module
The light of light source transmitting.
In this way, light source is located at the side of optical fingerprint sensor, source emissioning light line to optical fingerprint sensor.
In some embodiments, the optical finger print identification module includes light guide, and the light guide is arranged on described
The lower section of optical fingerprint sensor, the light source are arranged on the side of the light guide, and the light source is configured to launch light
Transmitted through the light guide to the optical fingerprint sensor, the optical fingerprint sensor is configured to launch the light source
Light transmit to the optical finger print identification module outside, and receive by the optical finger print identify module external reflection
The light source transmitting light.
So, on the one hand, using the cooperation of light source and optical fingerprint sensor, optical finger print identification module, which can be realized, to be referred to
Line identification function, on the other hand, it can make light by the light conduction of light source transmitting to optical fingerprint sensor using light guide
The uniform light that source is sent is incident to optical fingerprint sensor.
In some embodiments, the light source is display screen, and the optical fingerprint sensor and interference light filtering film are located at
The lower section of the display screen.
In this way, by the use of display screen as flat light source, without setting light source in addition, so as to reduce optical finger print identification
The size of module.
At certain in some embodiments, the optical finger print identification module includes optical cement and sealing, the optical cement
The upper surface of the interference light filtering film is arranged on, the sealing encapsulates the side of the optical fingerprint sensor and the optical cement
Side.
In this way, sealing can fix optical cement and optical fingerprint sensor, optical finger print identification module is avoided to be bonded
When rock.
In some embodiments, the optical finger print identification module includes connecting line and sealing, and the optical finger print passes
Sensor is connected by the connecting line with the circuit board, and the sealing encapsulates the connecting line, the circuit board and the company
The junction of wiring, the optical fingerprint sensor and the junction of the connecting line and the side of the optical fingerprint sensor
Side.
In this way, sealing can protect the junction of connecting line, circuit board and connecting line, optical fingerprint sensor and connecting line
Junction.
A kind of electronic installation of the utility model embodiment, including the optical finger print knowledge described in any of the above-described embodiment
Other module.
In the electronic installation of the utility model embodiment, optical finger print identifies module in optical fingerprint sensor upper surface
Interference light filtering film is set, and interference light filtering film can filter other light in addition to blue green light such as infrared light, can avoid in environment
Infrared light causes optical fingerprint sensor saturation, so as to reduce interference of other light to optical fingerprint sensor, makes optical finger print
Identification module can collect clearly fingerprint.
The additional aspect and advantage of embodiment of the present utility model will be set forth in part in the description, partly will be from
Become obvious in following description, or recognized by the practice of embodiment of the present utility model.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of embodiment of the present utility model are from accompanying drawings below is combined to embodiment party
It will be apparent and be readily appreciated that in the description of formula, wherein：
Fig. 1 is the structural representation for the optical finger print identification module that the utility model embodiment provides；
Fig. 2 is the structural representation for the optical finger print identification module that another embodiment of the utility model provides；
Fig. 3 is the structural representation for the optical finger print identification module that the utility model a further embodiment provides.
Main element symbol description：
Optical finger print identifies module 10, circuit board 12, substrate 122, solder joint 1222, flexible PCB 124, optical finger print biography
Sensor 14, upper surface 141, photosensitive layer 142, induction zone 1422, non-inductive area 1424, optical layer 144, interference light filtering film 16, light
Source 18, stiffening plate 11, light guide 13, optical cement 15, sealing 17, connecting line 19, cover plate 20.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the utility model, and it is not intended that to this practicality
New limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
" clockwise ", the orientation of instruction " counterclockwise " or position relationship be based on orientation shown in the drawings or position relationship, merely to
It is easy to describe the utility model and simplified description, rather than indicates or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include one or more
The feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise clearly specific
Limit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be in
Between medium be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model.
In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Fig. 1-Fig. 3 is referred to, the utility model embodiment provides a kind of optical finger print identification module 10.Optical finger print is known
Other module 10 includes circuit board 12, optical fingerprint sensor 14, interference light filtering film 16 and light source 18.Optical fingerprint sensor 14
In on circuit board 12.Optical fingerprint sensor 14 includes upper surface 141, and interference light filtering film 16 is located at optical fingerprint sensor 14
On upper surface 141.In some embodiments of the utility model, the light that light source 18 is launched is blue green light.It can so avoid
More infrared lights reaches optical fingerprint sensor 14, further improves the fingerprint clear that optical finger print identification module 10 collects
Degree.Interference light filtering film 16 is configured to permit blue green light to penetrate and filters other light.
The optical finger print identification module 10 of the utility model embodiment is set in the upper surface 141 of optical fingerprint sensor 14
Interference light filtering film 16 is put, interference light filtering film 16 can filter other light in addition to blue green light such as infrared light, can avoid in environment
Infrared light cause the saturation of optical fingerprint sensor 14, so as to reduce interference of other light to optical fingerprint sensor 14, make light
Clearly fingerprint can be collected by learning fingerprint recognition module 10.
Specifically, when user unlocks electronic installation in outdoor application optical finger print identification module 10, in outdoor environment light
Infrared light easily causes the saturation of optical fingerprint sensor 14, interference fingerprint identification.In embodiment of the present utility model, light source 18
The light of transmitting is blue green light and adds one layer of interference light filtering film 16 of plating on optical fingerprint sensor 14.Interference light filtering film 16 utilizes dry
Principle is related to, only passes through the light (such as blue green light) of particular range of wavelengths.Bluish-green optical wavelength range is 450-570nm, with infrared light
Frequency relatively far apart, filters beneficial to interference light filtering film 16, so as to reduce interference of the ambient light to optical fingerprint sensor 14, carries
High fingerprint recognition effect.Optical fingerprint sensor 14 can use cmos sensor.
The light that light source 18 is launched is blue green light, it can be understood as, the wavelength for the light that light source 18 is launched is located at 450-570nm's
In wave-length coverage.For example, wavelength can be any number between 450nm, 570nm or 450-570nm.Interference light filtering film 16 is filtered
Fall ambient light it is to be understood that interference light filtering film 16 can filter other light in addition to bluish-green optical wavelength range.
It is appreciated that the utility model embodiment optical finger print identification module 10 can be applied to but be not limited to unblock,
The application scenarios such as file encryption, payment verification, authentication.
In some embodiments, circuit board 12 includes substrate 122 and flexible PCB 124, optical fingerprint sensor 14
Set on a substrate 122, the lower surface of one end connecting substrate 122 of flexible PCB 124.
In this way, flexible PCB 124 is in light weight and thickness of thin, saving space are small-sized beneficial to optical finger print identification module 10
Change, meanwhile, substrate 122 can be as the support of support optical fingerprint sensor 14 and optical finger print identification 10 other elements of module
Thing.
Specifically, substrate 122 can be used as hardboard, and substrate 122 and flexible PCB 124 can be connected to by way of welding
Together.Flexible PCB 124 can be connected with the external circuit of optical identification fingerprint module 10 or electronic installation to carry out data biography
It is defeated.
In some embodiments, substrate 122 includes solder joint 1222, and substrate 122 passes through solder joint 1222 and flexible PCB
124 connections.Substrate 122 and flexible PCB 124 can be in communication with each other, so as to which substrate 122 can pass the optical finger print of acquisition
The electric signal transmission that sensor 14 obtains is to flexible PCB 124.
In some embodiments, processor (not shown) is provided with flexible PCB 124, processor can be used for locating
Manage the electric signal of optical fingerprint sensor 14.
Specifically, flexible PCB 124 can be provided with processor and interlock circuit structure, and processor processing includes fingerprint
The electric signal of information is to establish the model of fingerprint.
In some embodiments, optical fingerprint sensor 14 includes photosensitive layer 142 and the light being arranged on photosensitive layer 142
Learn layer 144.Photosensitive layer 142 is formed with induction zone 1422.Optical layer 144 covers induction zone 1422, and the area of optical layer 144 is more than
The area of induction zone 1422.Optical layer 144 is formed with multiple lens.Photosensitive layer 142 is between optical layer 144 and substrate 122.
In this way, optical layer 144 can make more light collections optical finger print is identified module 10 to photosensitive layer 142
More optical signals are collected, more accurately to realize fingerprint recognition.
Specifically, when optical finger print identification module 10 gathers fingerprint, finger acts on the dielectric surface of the top of optical layer 144
On, multiple lens of optical layer 144 are by the light collection that finger reflects to induction zone 1422 so that induction zone 1422 can obtain
More light is to form finger print data.The area that the area of optical layer 144 is more than induction zone 1422 reflects beneficial to more fingers
Light be projected to induction zone 1422, increase the data volume of the finger print information collected.Photosensitive layer 142 is configured to from optics
The light of the convergence of layer 144 is converted to electric signal and exports electric signal, and the electric signal of output forms finger print information after processing.
In some embodiments, photosensitive layer 142 includes multiple light-sensitive element (not shown) and connection line (not shown).
Multiple light-sensitive elements form induction zone 1422, and connection line connects multiple light-sensitive elements and substrate 122.
In this way, light-sensitive element can sense the light converged from optical layer 144 and optical signal is changed into electric signal to adopt
Collect finger print information.
Specifically, multiple light-sensitive elements can convert optical signals into electric signal, when finger acts on optical finger print identification
When on the surface of module 10, the light collection reflected from finger is projected to photosensitive layer 142, multiple light-sensitive elements by optical layer 144
Light of the sensing with finger print information simultaneously converts optical signal into electric signal, and the finger print information got is transferred to by connection line
Substrate 122.Substrate 122 can be connected by flexible PCB 124 with external circuit, so that external circuit realizes fingerprint recognition
Function.
Further, photosensitive layer 142 includes substrate, and multiple light-sensitive elements and connection line are formed in substrate.At some
In example, substrate can be semiconductor base.Light-sensitive element and connection line can be formed in substrate by photoetching process.Multiple light
Quick element forms induction zone 1422 (active area, AA areas), and other regions form (the non-AA of non-inductive area 1424 in substrate
Area), non-inductive area is provided with connection line.Light-sensitive element is, for example, photodiode.
In the example of fig. 1 and 2, light shield layer, light are may be provided between the substrate of photosensitive layer 142 and each light-sensitive element
The incident ray that source 18 is launched is emitted to optical layer 144 through the gap between multiple light shield layers and optical finger print identifies module 10
It is outside.In this way, processor can directly handle the electric signal of light-sensitive element output to obtain the finger print information of finger.
In some embodiments, optical finger print identification module 10 includes stiffening plate 11, and stiffening plate 11 is arranged on flexible electrical
The lower surface of one end of road plate 124.
In this way, stiffening plate 11 can strengthen the intensity of flexible PCB 124.
It is appreciated that due to the flexible nature of flexible PCB 124, cause the stress of flexible PCB 124 easily to produce and split
Seam, that is, be difficult to connecting substrate 122 and flexible PCB 124 or the installation elements on flexible PCB 124, therefore will can mend
Strong plate 11 is arranged on the lower surface of flexible PCB 124, so that the intensity foot of the flexible PCB 124 with reference to stiffening plate 11
It is enough, and then facilitate connecting substrate 122 and flexible PCB 124 or the operation such as installation elements is carried out on flexible PCB 124.
Stiffening plate 11 can be made up of metal material, such as stainless steel.
In some embodiments, referring to Fig. 1, light source 18 is located at the side of optical fingerprint sensor 14.The quilt of light source 18
It is configured to launch light to optical fingerprint sensor 14.The light that optical fingerprint sensor 14 is configured to launch light source 18 passes
The outside of optical finger print identification module 10 is transported to, and receives and identifies that the light source 18 of the external reflection of module 10 is launched by optical finger print
Light.
In this way, light source 18 is located at the side of optical fingerprint sensor 14, light source 18 launches light to optical fingerprint sensor
14。
It is appreciated that light source 18 launches incident ray to photosensitive layer 142, incident ray passes through photosensitive layer 142 and optical layer
The region of the top of optical layer 144 is projected to after 144.When finger is applied to the position of face induction zone 1422, light source 18 is sent out
The light penetrated reflects to form reflection light on the rough strain line of finger surface fingerprint, and reflection light is through optical layer
The light-sensitive element of photosensitive layer 142, the incident ray and reflection light that light-sensitive element will be projected on light-sensitive element are projected to after 144
Change into electric signal and export.The process circuit that connection line is connected with light-sensitive element is formed through on circuit board 12, is handled
Circuit can filter off the electric signal of incident ray and handle the electric signal of reflection light to obtain the finger print information of finger.
Further, in one example, light source 18 can be LED light source.It is appreciated that LED light source small volume and section
Can be environmentally friendly, minimized beneficial to optical finger print identification module 10.
In some embodiments, referring to Fig. 2, optical finger print identification module 10 includes light guide 13.Light guide 13 is set
Put in the lower section of optical fingerprint sensor 14.Light source 18 is arranged on the side of light guide 13.Light source 18 is configured to launch light
Transmitted through light guide 13 to optical fingerprint sensor 14.The light that optical fingerprint sensor 14 is configured to launch light source 18 passes
The outside of optical finger print identification module 10 is transported to, and receives and identifies that the light source 18 of the external reflection of module 10 is launched by optical finger print
Light.
So, on the one hand, using the cooperation of light source 18 and optical fingerprint sensor 14, optical finger print identification module 10 can be with
Fingerprint identification function is realized, on the other hand, the light conduction that light source 18 is launched to optical finger print can be passed using light guide 13
Sensor 14, the uniform light that can send light source 18 are incident to optical fingerprint sensor 14.
Specifically, light source 18 can be point source of light, and point source of light is converted to flat light source by light guide 13.Point source of light example
LED light source in this way.Light guide 13 is, for example, light guide plate.
In some embodiments, referring to Fig. 3, light source 18 is display screen.Optical fingerprint sensor 14 and interference filter
Film 16 is located at the lower section of display screen.
In this way, by the use of display screen as flat light source, without setting light source in addition, so as to reduce optical finger print identification
The size of module 10.Display screen can be touch display screen, and display screen may include OLED or AMOLED.
It is appreciated that when optical fingerprint sensor 14 is fitted in the lower surface of display screen, display screen can be active hair
Light display screen (such as OLED or AMOLED), the field emission light that display screen can be as light source 18 to the top of induction zone 1422,
So that finger is placed on when carrying out fingerprint recognition with the upper surface position of the display screen of the face of induction zone 1422, the energy of induction zone 1422
Enough light is enough received to form finger print information.
In some embodiments, optical finger print identification module 10 includes optical cement 15 and sealing 17.Optical cement 15 is set
In the upper surface of interference light filtering film 16.The side of the encapsulating optical fingerprint sensor 14 of sealing 17 and the side of optical cement 15.
In this way, sealing 17 can fix optical cement 15 and optical fingerprint sensor 14, optical finger print is avoided to identify module
10 rocking in fitting.
Specifically, optical finger print identification module 10 generally requires the lower surface for using optical cement 15 to be fitted in cover plate 20 with shape
Into optical finger print recognizer component and it is applied to electronic installation.Fitted to by the optical finger print identification module 10 with optical cement 15
During the lower surface of cover plate 20, the quality of optical cement 15 belongs to semi-cured state, so causes to paste by optical cement 15 than relatively soft
The optical finger print identification module 10 of conjunction easily rocks, therefore the side using the encapsulating optical fingerprint sensor 14 of sealing 17 and optics
The side of glue 15 can fix optical fingerprint sensor 14 and optical cement 15.Sealing 17 is configured to limit optical cement 15
Displacement.After the completion of fitting, then optical cement 15 is solidified.In addition, sealing 17 can be coloured and lighttight, therefore sealing
17 can play interception, prevent ambient light from entering in optical fingerprint sensor 14 and disturbing optical fingerprint sensor 14 to identify
Fingerprint.Sealing 17 includes the glue such as low temperature hot-setting adhesive, moisture-curable glue, is not specifically limited herein.
In addition, when optical cement 15 and optical fingerprint sensor 14 are square, sealing 17 can be with the three of encapsulating optical glue 15
While or when four, and optical fingerprint sensor 14 three while or when four.
In some embodiments, optical finger print identification module 10 includes connecting line 19.Optical fingerprint sensor 14 passes through
Connecting line 19 and circuit board 12 connect.Optical finger print identification module 10 includes sealing 17.Sealing 17 encapsulates connecting line 19, circuit board
12 with the junction of connecting line 19, optical fingerprint sensor 14 and the junction of connecting line 19 and the side of optical fingerprint sensor 14
Side.
In this way, sealing 17 can protect the junction of connecting line 19, circuit board 12 and connecting line 19, optical fingerprint sensor 14
With the junction of connecting line 19.
Specifically, the sealing of lighttight sealing, e.g. black may be selected in sealing 17.The sealing shaded effect of black
It is good, interference of the ambient light to optical fingerprint sensor 14 is reduced, and then the degree of accuracy of optical finger print identification module 10 can be improved.
It is appreciated that connecting line 19 can engage (wire bonding) technique connection optical fingerprint sensor 14 by routing
With circuit board 12.
A kind of electronic installation of the utility model embodiment, include the optical finger print identification mould of any of the above-described embodiment
Group 10.
In the electronic installation of the utility model embodiment, optical finger print identifies module 10 in optical fingerprint sensor 14
Upper surface 141 sets interference light filtering film 16, and interference light filtering film 16 can filter other light in addition to blue green light such as infrared light, can
The infrared light in environment is avoided to cause the saturation of optical fingerprint sensor 14, so as to reduce other light to optical fingerprint sensor 14
Interference, optical finger print identification module 10 is set to collect clearly fingerprint.
Electronic installation can be the terminals such as mobile phone, tablet personal computer, ATM, vehicular touch screen, fingerprint gate lock.
In the description of this specification, reference term " some embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " means to combine embodiment or shown
Specific features, structure, material or the feature of example description are contained at least one embodiment or example of the present utility model.
In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description
Specific features, structure, material or feature can be in any one or more embodiments or example with suitable side
Formula combines.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one feature.In description of the present utility model, " multiple " are meant that at least two, such as two,
Three, unless otherwise specifically defined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
Interior above-described embodiment to be changed, changed, replaced and modification, the scope of the utility model is by claim and its equivalent
Thing limits.
Claims (11)
1. a kind of optical finger print identifies module, it is characterised in that including：
Circuit board；
Optical fingerprint sensor on the circuit board, the optical fingerprint sensor include upper surface；
Interference light filtering film, the interference light filtering film are located at the upper surface；With
Light source, the interference light filtering film are configured to permit blue green light to penetrate and filter other light.
2. optical finger print as claimed in claim 1 identifies module, it is characterised in that the circuit board includes substrate and flexible electrical
Road plate, the optical fingerprint sensor are set on the substrate, and one end of the flexible PCB is connected under the substrate
Surface.
3. optical finger print as claimed in claim 2 identifies module, it is characterised in that the optical fingerprint sensor includes：
Photosensitive layer, the photosensitive layer is formed with induction zone；With
The optical layer being arranged on the photosensitive layer, the optical layer cover the induction zone, and the area of the optical layer is more than
The area of the induction zone, the optical layer are located at the optical layer and the substrate formed with multiple lens, the photosensitive layer
Between.
4. optical finger print as claimed in claim 3 identifies module, it is characterised in that the photosensitive layer includes multiple light-sensitive elements
And connection line, the multiple light-sensitive element form the induction zone, the connection line connect the multiple light-sensitive element and
The substrate.
5. optical finger print as claimed in claim 1 identifies module, it is characterised in that the light of the light source transmitting is blue green light.
6. optical finger print as claimed in claim 1 identifies module, it is characterised in that the light source is located at optical finger print biography
The side of sensor, the light source are configured to launch light to the optical fingerprint sensor, the optical fingerprint sensor quilt
It is configured to transmit the light that the light source is launched to the outside of optical finger print identification module, and receives and referred to by the optics
The light of the light source transmitting of the external reflection of line identification module.
7. optical finger print as claimed in claim 1 identifies module, it is characterised in that the optical finger print identification module includes leading
Light part, the light guide are arranged on the lower section of the optical fingerprint sensor, and the light source is arranged on the side of the light guide,
The light source is configured to transmitting light and transmitted through the light guide to the optical fingerprint sensor, the optical finger print sensing
Device is configured to transmit the light that the light source is launched to the outside of optical finger print identification module, and receives by the light
Learn the light of the light source transmitting of the external reflection of fingerprint recognition module.
8. optical finger print as claimed in claim 1 identifies module, it is characterised in that the light source is display screen, the optics
Fingerprint sensor and the interference light filtering film are located at the lower section of the display screen.
9. optical finger print as claimed in claim 1 identifies module, it is characterised in that the optical finger print identification module includes light
Glue and sealing are learned, the optical cement is arranged on the upper surface of the interference light filtering film, and the sealing encapsulates the optical finger print and passed
The side of sensor and the side of the optical cement.
10. optical finger print as claimed in claim 1 identifies module, it is characterised in that the optical finger print identification module includes
Connecting line and sealing, the optical fingerprint sensor are connected by the connecting line with the circuit board, and the sealing encapsulates institute
State connecting line, the circuit board and the connection of the junction, the optical fingerprint sensor and the connecting line of the connecting line
Place and the side of the optical fingerprint sensor.
11. a kind of electronic installation, it is characterised in that identify module including the optical finger print described in claim any one of 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190911.0U CN207182348U (en) | 2017-09-15 | 2017-09-15 | Optical finger print identifies module and electronic installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190911.0U CN207182348U (en) | 2017-09-15 | 2017-09-15 | Optical finger print identifies module and electronic installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207182348U true CN207182348U (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721190911.0U Expired - Fee Related CN207182348U (en) | 2017-09-15 | 2017-09-15 | Optical finger print identifies module and electronic installation |
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| Country | Link |
|---|---|
| CN (1) | CN207182348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284734A (en) * | 2018-10-15 | 2019-01-29 | Oppo广东移动通信有限公司 | Fingerprint recognition mould group, display device and electronic equipment |
-
2017
- 2017-09-15 CN CN201721190911.0U patent/CN207182348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284734A (en) * | 2018-10-15 | 2019-01-29 | Oppo广东移动通信有限公司 | Fingerprint recognition mould group, display device and electronic equipment |
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| CP03 | Change of name, title or address |
Address after: 330013 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |