CN205845065U - Fingeprint distinguisher - Google Patents
Fingeprint distinguisher Download PDFInfo
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- CN205845065U CN205845065U CN201620517550.5U CN201620517550U CN205845065U CN 205845065 U CN205845065 U CN 205845065U CN 201620517550 U CN201620517550 U CN 201620517550U CN 205845065 U CN205845065 U CN 205845065U
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- cover plate
- optical
- recognizer component
- light
- optical fingerprint
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Abstract
This utility model provides a kind of fingeprint distinguisher, comprises cover plate, optical fingerprint recognizer component and adhesion glue.Optical fingerprint recognizer component has optical transmission window.Adhesion glue is arranged between cover plate and optical fingerprint recognizer component, wherein adhesion glue in cover plate orthographic projection around optical transmission window in the orthographic projection of cover plate.Design adhesion glue does not block the optical transmission window of optical fingerprint recognizer component, use while strengthening optical fingerprint recognizer component and the structural strength of cover plate and location, do not sacrifice the sensitivity of identification of fingerprint, take into account intensity and the preferably identification of fingerprint sensitivity of fingeprint distinguisher.
Description
Technical field
This utility model relates to a kind of fingeprint distinguisher.
Background technology
Owing to fingerprint identification technology can play good anti-theft function and individual privacy protective effect, therefore the most gradually should
For running gear, to prevent this action device from being usurped.Specifically, this type of running gear comprises cover plate, identification of fingerprint
Device and touch control display device.Touch control display device system is arranged at the middle section of cover inner surface, for user operation and aobvious
Show information.Fingerprint identifier system is arranged at the neighboring area of cover inner surface, with the fingerprint of discriminating user.
Common fingerprint identifier is the identification reaching fingerprint according to capacitance induction principle, distinguishes to effectively reach fingerprint
The effect known, the distance of fingerprint identifier to cover plate outer surface often needs less than certain size.In other words, corresponding in cover plate
In the part of fingerprint identifier, its thickness needs sufficiently thin to the effect allowing fingerprint identifier can reach identification of fingerprint, i.e. in order to
Improve identification of fingerprint sensitivity, need cover plate at least correspond to the part of fingerprint identifier sufficiently thin.But, when the thickness of this part
Spend the thinnest, when this part is by external force collision, be susceptible to the situation ruptured and the damage causing cover plate, therefore capacitive fingerprint
Identifier usually cannot get both in high sensitivity and cover plate high intensity two aspect.
In prior art, optical fingerprint identifier can be used to replace capacitance type fingerprint identifier, optical fingerprint is distinguished
Knowing device is each position through sensing finger because of it, as different in the reflection light of the concave, convex position of fingerprint and reach identification and refer to
The purpose of stricture of vagina, therefore when optical fingerprint evaluator is incorporated into cover plate, the thickness of cover plate is not required for the thinnest, it is possible to resolve lid
The problem of plate intensity.And common optical finger print evaluator is by using the colloid of flood to be fitted by optical fingerprint identifier
On cover plate, under this combination, light and the light of finger reflection that optical fingerprint identifier sends all can pass through colloid,
Colloid easily disturbs the path of those light, affects fingerprint recognition degree of accuracy and sensitivity.
Utility model content
The fingeprint distinguisher of this utility model, design adhesion glue does not block the light inlet window of optical fingerprint recognizer component
Mouthful, use while strengthening optical fingerprint recognizer component and the structural strength of cover plate and location, do not sacrifice identification of fingerprint
Sensitivity, takes into account intensity and the preferably identification of fingerprint sensitivity of fingeprint distinguisher.What is more, sticking together through circulating type
Glue, can completely cut off the sealing of follow-up use, in order to avoid it affects light and then the degree of accuracy reducing identification of fingerprint and sensitivity.
According to the some embodiments of this utility model, a kind of fingeprint distinguisher comprises cover plate, optical fingerprint identification
Assembly and adhesion glue.Optical fingerprint recognizer component has optical transmission window.Adhesion glue is arranged at cover plate to be known with optical fingerprint
Between other assembly, wherein adhesion glue in cover plate orthographic projection around optical transmission window in the orthographic projection of cover plate.
In the some embodiments of this utility model, wherein adhesion glue in cover plate orthographic projection around optical transmission window in lid
The orthographic projection of plate.
In the some embodiments of this utility model, adhesion glue, cover plate and optical fingerprint recognizer component form one
Close space.
In the some embodiments of this utility model, optical fingerprint recognizer component comprise housing, luminescence component and
Optical sensor.The some of housing is around optical transmission window.Luminescence component is installed in housing, in order to through optical transmission window and cover plate towards mesh
Mark thing emits beam.Optical sensor is installed in housing, senses the light through object reflection.
In the some embodiments of this utility model, the housing of optical fingerprint recognizer component part is that optical profile type refers to
The part near cover plate of stricture of vagina recognizer component, adhesion glue is arranged between this part of cover plate and housing.
In the some embodiments of this utility model, fingeprint distinguisher further includes selectivity photic zone, is arranged at light
Between formula fingerprint recognition assembly and cover plate, the light that wherein luminescence component sends has first wave length scope, selectivity printing opacity
Layer in this first wave length scope penetrance more than selectivity photic zone second wave length scope beyond first wave length scope it
Penetrance.
In the some embodiments of this utility model, selectivity photic zone at least part be arranged at adhesion glue and cover plate it
Between.
In the some embodiments of this utility model, first wave length scope is infrared light wave-length coverage.
In the some embodiments of this utility model, first wave length scope is more than 780 nm, and second wave length scope is
380～780 nm, selectivity photic zone in the penetrance of the light of first wave length scope more than 50%, selectivity photic zone in
The penetrance of the light of second wave length scope is less than 20%.
In the some embodiments of this utility model, fingeprint distinguisher further includes light shield layer, be arranged at adhesion glue with
Between selectivity photic zone, wherein light shield layer comprises opening, and at least part optical transmission window is positioned at light shield layer in the orthographic projection of cover plate
The orthographic projection being opened on cover plate in.
In the some embodiments of this utility model, luminescence component is positioned at light shield layer in cover plate in the orthographic projection of cover plate
In orthographic projection.
In the some embodiments of this utility model, adhesion glue orthographic projection on cover plate is positioned at light shield layer on cover plate
Orthographic projection in.
In the some embodiments of this utility model, light shield layer is in the penetrating of light of wave-length coverage 380～900 nm
Rate is less than or equal to 10%.
In the some embodiments of this utility model, fingeprint distinguisher further includes sealing, connects optical fingerprint and knows
Other assembly and this cover plate, wherein the housing of adhesion glue, cover plate and optical fingerprint recognizer component is formed and closes space, and sealing is not
It is positioned at closing space.
In the some embodiments of this utility model, cover plate comprises groove, optical fingerprint relative to the surface of touch surface
Recognizer component at least part is arranged in groove.
In the some embodiments of this utility model, the surface away from optical fingerprint recognizer component of cover plate is to optics
The distance of formula fingerprint recognition assembly is of about between 0.3 millimeter to about 2 millimeters.
Accompanying drawing explanation
Fig. 1 is the upper schematic diagram of the fingeprint distinguisher according to one of this utility model embodiment.
Fig. 2 is the profile of the line 2-2 along Fig. 1.
Fig. 3 is the schematic perspective view of the optical fingerprint recognizer component according to one of this utility model embodiment.
Fig. 4 is the profile of the fingeprint distinguisher of another embodiment according to this utility model.
Fig. 5 is the profile of the fingeprint distinguisher of a further embodiment according to this utility model.
Fig. 6 is the profile of the fingeprint distinguisher of the another embodiment according to this utility model.
Main element symbol description:
100: fingeprint distinguisher 144: luminescence component
110: decorative layer 146: light focusing assembly
112: part 148: optical sensor
112a: opening 150: selectivity photic zone
120: cover plate 160: light shield layer
122: groove 160a: opening
124: touch surface 170: display module
126: surface 180: sealing
130: adhesion glue S1: close space
140: optical fingerprint recognizer component NA: non-display area
140a: optical transmission window VA: viewing area
142: housing FA: identification of fingerprint district
142a: partly 2-2: line
142b: opening
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the upper schematic diagram of the fingeprint distinguisher 100 according to one of this utility model embodiment.In this practicality
In novel some embodiments, fingeprint distinguisher 100 can be display floater, and it is aobvious to define that it can have decorative layer 110
Showing district VA and non-display area NA, decorative layer 110 is positioned at non-display area NA, viewing area VA in order to present information to user, non-aobvious
Show district NA in order to cover the light tight assemblies such as the peripheral circuit of display floater, wherein non-display area NA comprises identification of fingerprint district FA,
In order to sense the lines of touching finger.In some embodiments, fingeprint distinguisher 100 optionally carries contact panel
(not illustrating), to sense the position of touch of user, and then receives the instruction of user.
Fig. 2 is the profile of the line 2-2 along Fig. 1.Referring concurrently to Fig. 1 and Fig. 2.Fingeprint distinguisher 100 comprises cover plate
120, adhesion glue 130, optical fingerprint recognizer component 140.Optical fingerprint recognizer component 140 is through each of sensing finger
Position reflection light and reach the purpose of identification fingerprint, optical fingerprint recognizer component 140 has optical transmission window 140a, for
Light exports to finger in optical fingerprint recognizer component 140 and makes light be reflected back optical profile type fingerprint recognition assembly 140
In.Optical fingerprint recognizer component 140 has applicable wavelength of light (hereinafter referred to as first wave length scope).For example, this light
Line can be infrared ray.
What is more, in present embodiment, fingeprint distinguisher 100 also can comprise selectivity photic zone 150 and shading
Layer 160, both can be arranged at (particular location describes the most again) on cover plate 120 through ink printing, unnecessary to block
Light, such as, block the light beyond first wave length scope, it may be possible to ambient light or come from optical fingerprint recognizer component 140
The light being not used in identification of fingerprint that internal luminescence component sends so that user is difficult to observe optical profile type from cover plate side
Fingerprint recognition assembly 140, and then promote the apparent visual effect of identification of fingerprint district FA.Additionally, fingeprint distinguisher 100 also can wrap
Containing display module 170, corresponding viewing area VA is arranged, to provide display information.
In the some embodiments of this utility model, cover plate 120 comprises touch surface 124 and the table of relative touch surface 124
Face 126, touch surface 124, as contact surface, is touched for human finger.Optical fingerprint recognizer component 140 is arranged at cover plate 120
Surface 126 on.Cover plate 120 is formed with a groove 122 on surface 126, and optical fingerprint recognizer component 140 at least part sets
It is placed in groove 122.Certainly, should not limit this utility model with this, in other embodiments, cover plate 120 can be not provided with
Groove, so, the surface 126 of cover plate 120 is even curface, and optical fingerprint recognizer component 140 can be directly arranged at lid
On the even curface 126 of plate 120.Cover plate 120 can be that transparent material is formed, such as glass, plastics, sapphire etc..
Selectivity photic zone 150 is arranged on cover plate 120, covers identification of fingerprint district FA, and is positioned at optical fingerprint identification
Between assembly 140 and cover plate 120.Selectivity photic zone 150 is more than selectivity printing opacity in the light transmittance of first wave length scope
The penetrance of the light of the layer 150 second wave length scope beyond first wave length scope.For example, second wave length scope can be
Ambient visible light scope, such as second wave length scope are between about 380 nm to about 780 nm.Accordingly, selectivity printing opacity
Layer 150 can allow the light from optical fingerprint recognizer component 140 be transmitted through human finger the reflection of releasee's body finger
Optical profile type fingerprint recognition assembly 140 is returned in this light transmission, and stops the ambient light interference detecting sensitivity of second wave length scope.Separately
Outward, selectivity photic zone 150 makes user be difficult to observe optical fingerprint recognizer component 140 from cover plate 120 side, and then
Promote the apparent visual effect of identification of fingerprint district FA.In the some embodiments of this utility model, selectivity photic zone 150 in
The penetrance of second wave length scope (if wavelength is between about 380 nm to about 780 nm) is less than about 20%, preferably
Less than about 10%, the most about 5%.(such as wavelength is more than about in first wave length scope for selectivity photic zone 150
780 nm) light transmittance more than about 50%.It should be noted that selectivity photic zone 150 is for the light of different wave length
Line penetrance is gradual change, and is not cataclysm, and such as previously for first wave length scope, (such as wavelength is more than about 780
Nm) light transmittance more than about 50% it can be understood as how selectivity photic zone 150 is about 650～820 at wavelength
Meter Shi, penetrance is to be gradient to 50% by 20%, so it can be appreciated that selectivity photic zone 150 is more than wavelength model in wavelength
When enclosing a certain wavelength in 650～820, such as, when wavelength is more than 780 nm or 820 nm, penetrance is more than about 50%.Consider
The light transmittance of selectivity photic zone 150, its thickness range is 0 to 50 micron preferably be 1 micron to 35 microns, more better
It it is 3 microns to 25 microns.For example, selectivity photic zone 150 can be formed by infrared light clear ink (IR ink).
Light shield layer 160 is arranged on selectivity photic zone 150, and be positioned at adhesion glue 130 and selectivity photic zone 150 it
Between.Light shield layer 160 comprises opening 160a, corresponding optical transmission window 140a and arranges, and at least a part of which part optical transmission window 140a is in cover plate
The orthographic projection of 120 is positioned at the opening 160a of light shield layer 160 in the orthographic projection of cover plate 120 so that optical fingerprint recognizer component
140 light sent at least part can pass through optical transmission window 140, then arrives mesh via opening 160a, selectivity photic zone 150
Mark thing (human finger).Further, opening 160a is less than optical transmission window 140a in cover plate in the frontal projected area of cover plate 120
The frontal projected area of 120.Thereby, light shield layer 160 can cover it in the case of optical fingerprint recognizer component 140 maintains running
The light (the such as luminescence component within optical fingerprint recognizer component 140 is produced the too strong light risen) that he is unnecessary, exempts from
In being detected by human eye.The material of light shield layer 160 can be identical or different with the material of decorative layer 110.For example, decorative layer
110 or light shield layer 160 can be formed by white ink, black ink etc..
Adhesion glue 130 is arranged between cover plate 120 and optical fingerprint recognizer component 140, with by optical fingerprint identification
Assembly 140 is fixed on cover plate 120, and adhesion glue 130 in the orthographic projection of cover plate 120 be positioned at light shield layer 160 in cover plate 120 just
In projection, adhesion glue 130 is made not exclusively to block the light via optical transmission window 140.For example, adhesion glue 130 is in cover plate 120
Orthographic projection can be around optical transmission window 140a in the orthographic projection of cover plate 120.Consequently, it is possible to adhesion glue 130 can not exclusively block
The light of optical fingerprint recognizer component 140 output or the light that reflected by finger, with by the beginning of optical fingerprint recognizer component 140
Step is fixed on cover plate 120.In some embodiments, the material of adhesion glue 130 can be optical cement or double faced adhesive tape, when it is arranged
It is essentially colloid or solid-state.
In some embodiments, when adhesion glue 130 can be around optical transmission window 140a in cover plate in the orthographic projection of cover plate 120
120 orthographic projection time, adhesion glue 130, cover plate 120, optical fingerprint recognizer component 140, selectivity photic zone 150 and shading
Layer 160 forms a closing space S 1.Consequently, it is possible to it can be avoided that various materials or dirt penetration in successive process or attach to
Between cover plate 120 and optical fingerprint recognizer component 140 (optical transmission window 140a), and then avoid being likely to result in fingerprint recognition institute
The problem that the light transmittance used declines.
Fig. 3 is the schematic perspective view of the optical fingerprint recognizer component 140 according to one of this utility model embodiment.With
Time with reference to Fig. 2 and Fig. 3.Optical fingerprint recognizer component 140 comprise housing 142, luminescence component 144, light focusing assembly 146 with
And optical sensor 148.Somes 142a of housing 142 are around optical transmission window 140a.For example, partly 142a can be wall
Plate.Luminescence component 144 is installed in housing 142, in order to send out towards object (human finger) with cover plate 120 through optical transmission window 140a
Go out light.Light focusing assembly 146 is installed in housing 142, in order to receive the light reflected through object (human finger) will
Light-ray condensing is to optical sensor 148.Optical sensor 148 is installed in housing 142, such as, be located substantially at printing opacity optical transmission window 140a's
Centre position, in order to sense the light reflected through object (human finger).
In some embodiments, the quantity of luminescence component 144 can be a plurality of, and it is positioned at the periphery of housing 142
Region.In this, the light that luminescence component 144 sends has first wave length scope.For example, first wave length scope is infrared light
Wave-length coverage, such as wavelength are more than about 780 nm.Specifically, as a example by near infrared light, about 780 nm are to about
2000 nm；As a example by mid-infrared light, about 3000 nm are to about 5000 nm；As a example by far red light, about 8000 how
Rice is to about 14000 nm.In some embodiments, luminescence component 144 only sends infrared light.Certainly the most not should as limit,
In actual application, luminescence component 144 can send infrared light and visible ray.
Light focusing assembly 146 can be battery of lens, such as, be made up of multiple convex lenss.Optical sensor 148 can be each
Class image sensor, such as photosensitive coupling component (Charge Coupled Device；Or Complimentary Metal-Oxide is partly led CCD)
Body (Complementary Metal-Oxide Semiconductor；CMOS), the photosensitive wave band of optical sensor 148 is at least contained
The first wave length scope of lid luminescence component 144.It will be understood that the position of optical sensor 148 is not limited to directly receive from hands
Digital reflex may be disposed at the periphery of housing 142 through the light (painting in such as figure) of light focusing assembly 146, optical sensor 148, and
Light is caused optical sensor 148 by the auxiliary of other optical modules of mat.
In the some embodiments of this utility model, part 142a of housing 142 is to protrude from optical fingerprint identification
Other assemblies of assembly 140, in other words, part 142a of the housing 142 of optical fingerprint recognizer component 140 is that optical profile type refers to
The part near cover plate 120 of stricture of vagina recognizer component 140.Consequently, it is possible to through arrange adhesion glue 130 be positioned at cover plate 120 with
Between part 142a of the housing 142 of cover plate 120, can gluing cover plate 120 and optical fingerprint identification group simply
Part 140.
In some embodiments, housing 142 can be made up of the material with suitable rigidity, to support that optical profile type refers to
The structure of stricture of vagina recognizer component 140.For example, housing 142 can be formed by metal, plastics, glass etc..In present embodiment
In, part 142a of housing 142 can around and define the opening 142b of housing 142, opening 142b constitutes optical transmission window 140a.In
In other embodiments, housing 142 can comprise multiple different material, housing 142 can comprise transparent base (not illustrating) with by
Part 142a that opaque material is formed, transparent base is adjacent to cover plate 120 and part 142a of connection housing 142, to constitute thoroughly
Light window 140a.
In some embodiments, owing to using optical fingerprint recognizer component 140, referring to away from optical profile type of cover plate 120
The distance of touch surface 124 to the optical fingerprint recognizer component 140 of stricture of vagina recognizer component 140 is little on the impact of identification of fingerprint.Mat
This, can improve the structural strength of fingeprint distinguisher 100 through the thickness strengthening cover plate 120.For example, cover plate 120
Thickness can be more than about 0.3 millimeter, and (i.e. cover plate 120 is groove 122 for the distance of the bottom surface of its further groove 122 to touch surface 124
The thickness put) 0.3 millimeter can be approximately greater than.Preferably, touch surface 124 to the optical fingerprint recognizer component 140 of cover plate 120
Distance is of about between 0.3 millimeter to about 2 millimeters, such as 1 millimeter, 1.1 millimeters 1.5 millimeters etc..Even if consequently, it is possible to arranging
Groove 122, the structural strength that also will not make fingeprint distinguisher 100 is too low.
In the some embodiments of this utility model, luminescence component 144 is positioned at light shield layer in the orthographic projection of cover plate 120
160 in the orthographic projection of cover plate 120.Thereby, light shield layer 160 can maintain the situation of running at optical fingerprint recognizer component 140
Under cover the high light that luminescence component 144 is likely to result in, avoid being detected by human eye.In the some embodiments of this utility model,
Light shield layer 160 in the range of wavelength 380 nm to 900 nm, penetrance less than 10% preferably, penetrance is less than 5%.
In the some embodiments of this utility model, selectivity photic zone 150 at least part be arranged at adhesion glue 130 with
Between cover plate 120, and make the adhesion glue 130 can covering by selectivity photic zone 150, it is to avoid adhesion glue 130 is reflective (such as to be connect
Oral reflex) easily found by human eye.Similarly, in the some embodiments of this utility model, adhesion glue 130 is in cover plate 120
On orthographic projection be positioned at the light shield layer 160 orthographic projection on cover plate 120.Such as aforesaid selectivity photic zone 150, by this
Arranging, adhesion glue 130 can covering by light shield layer 160, it is to avoid adhesion glue 130 reflective (such as interface reflection) is easily by human eye
Find.
In the some embodiments of this utility model, the width range of adhesion glue 130 is 0.1 millimeter to 3 millimeters, preferably
Person is 0.5 millimeter to 2 millimeters.The thickness range of adhesion glue 130 be 1 micron to 200 microns preferably be 10 microns micro-to 80
Rice.Thereby arrange, location and the effect sealed can be effectively achieved.
In the some embodiments of this utility model, display module 170 can be LCD MODULE, organic light emission two
Pole pipe display module or other feasible configurations.In some embodiments, fingeprint distinguisher 100 can also comprise touch-control mould
Block (does not illustrates), is arranged between display module 170 and cover plate 120, using as user's input interface.
In the some embodiments of this utility model, fingeprint distinguisher further includes sealing 180, connects optical fingerprint
Recognizer component 140 and cover plate 120.Due to adhesion glue 130, cover plate 120, optical fingerprint recognizer component 140, selectivity photic zone
150 and light shield layer 160 form a closing space S 1, sealing 180 therefore can be avoided to penetrate into and to close in space S 1, prevent because of material
The material factor such as absorbing light or interface reflection, causes the light transmittance between cover plate 120 and optical transmission window 140a to reduce.Real in part
Execute in mode, the material of sealing 180 can be waterproof or hydraulic glue, its be essentially liquid when arranging, and in down-stream
Through suitable curing mode, become solid.
In present embodiment, sealing 180 is inserted in the groove 122 of substrate 120, to increase optical fingerprint recognizer component
140 with the bond strength of cover plate 120, optical fingerprint recognizer component 140 is more firmly fixed on cover plate 120.In this, seal
Glue 180 exposes the bottom surface of optical fingerprint recognizer component 140, but should not limit the scope of this utility model with this.In other
In embodiment, sealing 180 can be coated with the bottom surface of optical fingerprint recognizer component 140, and makes optical fingerprint recognizer component
140 do not expose.In other embodiments, such as cover plate 120 can not comprise groove 122, i.e. cover plate 120 and touch surface 124 phase
To surface 126 be plane, then sealing 180 be attached to this surface 126 with on the side of optical fingerprint recognizer component 140, or
Person is further coated with the bottom surface of optical fingerprint recognizer component 140.
It will be understood that in embodiment of above, partly the setting of assembly is to be not necessary, such as decorative layer 110, screening
Photosphere 160, selectivity photic zone 150 and sealing 180, in detail narration refer to implementation below.
Fig. 4 is the profile of the fingeprint distinguisher 100 of another embodiment according to this utility model.Present embodiment
Similar to the embodiment of Fig. 2, difference is: the fingeprint distinguisher 100 of present embodiment does not comprise light shield layer 160 (reference
Fig. 2).
Be enough to cover its luminescence component 144 (with reference to Fig. 3) it is true that be likely to be of in optical fingerprint recognizer component 140
Assembly (not illustrating), housing 142 (with reference to Fig. 3) the part (not illustrating) of such as optical fingerprint recognizer component 140, therefore
Can need not rely on light shield layer 160 (with reference to Fig. 2), high light can be effectively prevented and interfere visual effect.Or, in some feelings
Under condition, user is probably the light that can accept luminescence component 144 (with reference to Fig. 3), such as luminescence component 144 (with reference to Fig. 3)
The light sent not to fall in visible wavelength, i.e. luminescence component 144 can only send infrared light, thus without interfering vision effect
Really.
In present embodiment, adhesion glue 130, cover plate 120 and optical fingerprint recognizer component 140 and selectivity are saturating
Photosphere 150 forms a closing space S 1.Consequently, it is possible to it can be avoided that various materials or dirt penetration in successive process or attach
To between cover plate 120 and optical fingerprint recognizer component 140 (optical transmission window 140a), and and then avoid being likely to result in fingerprint and know
The problem that other used light transmittance declines.
Other details of present embodiment substantially as described above, do not repeat them here.
Fig. 5 is the profile of the fingeprint distinguisher 100 of a further embodiment according to this utility model.Present embodiment
Similar to the embodiment of Fig. 4, difference is: the fingeprint distinguisher 100 of present embodiment does not comprise selectivity photic zone 150
(with reference to Fig. 2).
In some cases, user is probably and can accept to observe directly optical fingerprint recognizer component 140, because of
This, it is not necessary to design choice photic zone 150 shields ambient light.
Additionally, in some embodiments, optical fingerprint recognizer component 140 is likely to be of optical filter, it is sufficient to it is right to screen
The light of the first wave length scope answered, makes optical sensor 148 can only sense first wave length scope.Or, optical sensor 148
Body can be only capable of experiencing first wave length scope, and is not affected by other light.Accordingly, though not design choice photic zone
150, also do not interfere with detecting sensitivity.
In some embodiments, adhesion glue 130 is arranged between optical fingerprint recognizer component 140 and cover plate 120, and
In cover plate 120 orthographic projection around optical transmission window 140a in the orthographic projection of cover plate 120.Adhesion glue 130 is positioned at optical fingerprint to be known
The periphery of other assembly 140, adhesion glue 130, cover plate 120 and optical fingerprint recognizer component 140 form a closing space S 1.As
This is one years old, it is possible to avoids the various materials in successive process or dirt penetration or attaches to cover plate 120 and optical fingerprint identification
Between assembly 140 (optical transmission window 140a), and and then avoid being likely to result in the light transmittance that fingerprint recognition used and decline
Problem.
Other details of present embodiment substantially as described above, do not repeat them here.
Fig. 6 is the profile of the fingeprint distinguisher 100 of the another embodiment according to this utility model.Present embodiment
Similar to the embodiment of Fig. 2, difference is: the decorative layer 110 at least part of 112 of present embodiment is arranged at identification of fingerprint district
FA, and make part 112 serve as light shield layer 160 (with reference to aforementioned embodiments) and realize the effect of light shield layer 160, and no longer arrange
Light shield layer 160 (with reference to aforementioned embodiments).In other words, present embodiment extends to identification of fingerprint district through decorative layer 110
FA, integrates the setting of decorative layer 110 and light shield layer 160 (with reference to aforementioned embodiments), and then reduces fabrication steps.
The part 112 of decorative layer 110 is arranged on cover plate 120, and between adhesion glue 130 and cover plate 120.Decorative layer
110 comprise opening 112a, corresponding optical transmission window 140a is arranged, and at least a part of which part optical transmission window 140a is in the just throwing of cover plate 120
Shadow is positioned at opening 112a in the orthographic projection of cover plate 120 so that the light that optical fingerprint recognizer component 140 sends at least part
Optical transmission window 140 can be passed through, then arrive object (human finger) via opening 112a.Further, opening 112a is in lid
The frontal projected area of plate 120 is less than optical transmission window 140a in the frontal projected area of cover plate 120.Thereby, decorative layer 110 can be at optics
Formula fingerprint recognition assembly 140 covers other unnecessary light (such as optical fingerprint recognizer component in the case of maintaining running
Luminescence component within 140 is produced the too strong light risen), avoid being detected by human eye.
In some embodiments, during making fingeprint distinguisher 100, decorative layer 110 is first arranged at cover plate
On 120, to define viewing area VA and non-display area NA, wherein decorative layer 110 is positioned at non-display area NA, thereafter by selectivity printing opacity
Layer 150 is arranged on cover plate 120, is particularly located in the opening 112a of decorative layer 110, at least covers opening 112a, then by cover plate
120 fit with optical fingerprint recognizer component 140.In this, decorative layer 110 is connected with selectivity photic zone 150, even part weight
Repeatedly, effectively to screen the wavelength of light passed through.Specifically, selectivity photic zone 150 can be completely covered optical transmission window 140a
And opening 112a, owing to making tolerance, selectivity photic zone 150 has part to be overlapped in the part 112 of decorative layer 110.Select
Property the photic zone 150 projection on optical fingerprint recognizer component 140 cover the optical transmission window of optical fingerprint recognizer component 140
140a。
Adhesion glue 130 is arranged between the part 112 of decorative layer 110 and optical fingerprint recognizer component 140, adhesion glue
130 in the orthographic projection of cover plate 120 around optical transmission window 140a in the orthographic projection of cover plate 120, i.e. adhesion glue 130 is positioned at optical profile type and refers to
The periphery of stricture of vagina recognizer component 140.And adhesion glue 130 is also located at the part 112 of decorative layer 110 in lid in the orthographic projection of cover plate 120
In the orthographic projection of plate 120, so that the part 112 of the decorated layer of adhesion glue 130 110 is covered.Adhesion glue 130, selectivity printing opacity
Layer 150 and optical fingerprint recognizer component 140 form a closing space S 1.Consequently, it is possible to it can be avoided that in successive process
Various materials or dirt penetration or attach between cover plate 120 and optical fingerprint recognizer component 140 (optical transmission window 140a),
And and then avoid being likely to result in the problem that the light transmittance that fingerprint recognition used declines.Additionally, due to adhesion glue 130 and choosing
The scope that selecting property photic zone 150 can be laid is narrow, is therefore schematically shown as with selectivity photic zone 150 by adhesion glue 130 in figure
It is connected.Should not necessarily be limited by this in actual application, adhesion glue 130 is probably disjunct with selectivity photic zone 150.
Other details of present embodiment substantially as described above, do not repeat them here.
The fingeprint distinguisher of this utility model is not limited to apply on a display panel, more can be applicable to multiple electronics and produces
Product, such as smart mobile phone, mobile phone, tablet PC, the mouse pad of notebook computer, safety check and gate control system, by referring to
Stricture of vagina identification carries out identity identification or other touch control operation.
In the some embodiments of this utility model, through design optical fingerprint recognizer component to solve aforementioned thicknesses not
Foot easily causes the situation of the damage of cover plate.Additionally, also design adhesion glue does not block the light inlet window of optical fingerprint recognizer component
Mouthful, use while strengthening optical fingerprint recognizer component and the structural strength of cover plate and location, do not sacrifice identification of fingerprint
Sensitivity.What is more, through the adhesion glue of circulating type, the sealing of follow-up use can be completely cut off, in order to avoid it affects light and then fall
The sensitivity of low identification of fingerprint.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. done, should be included in this utility model
Within the scope of protection.
Claims (18)
1. a fingeprint distinguisher, it is characterised in that comprise:
One cover plate；
One optical fingerprint recognizer component, has an optical transmission window；And
One adhesion glue, is arranged between this cover plate and this optical fingerprint recognizer component, wherein this adhesion glue in this cover plate just
Projection nucleus around this optical transmission window in the orthographic projection of this cover plate.
2. fingeprint distinguisher as claimed in claim 1, it is characterised in that this adhesion glue, this cover plate and this optical profile type refer to
Stricture of vagina recognizer component forms a closing space.
3. fingeprint distinguisher as claimed in claim 1 or 2, it is characterised in that this optical finger print recognizer component comprises:
One housing, wherein the some of this housing is around this optical transmission window；
One luminescence component, installing and this housing, in order to emit beam towards an object with this cover plate through this optical transmission window；And
One optical sensor, is installed in this housing, in order to sense this light reflected through this object.
4. fingeprint distinguisher as claimed in claim 3, it is characterised in that this housing of this optical fingerprint recognizer component it
This part is the part near this cover plate of this optical fingerprint recognizer component, and this adhesion glue is arranged at this cover plate and this housing
This part between.
5. fingeprint distinguisher as claimed in claim 3, it is characterised in that further include:
One selectivity photic zone, is arranged between this optical fingerprint recognizer component and this cover plate, and wherein this luminescence component sends
This light there is a first wave length scope, this selectivity photic zone in the penetrance of this first wave length scope more than this selectivity
The penetrance of a photic zone second wave length scope beyond this first wave length scope.
6. fingeprint distinguisher as claimed in claim 5, it is characterised in that this selectivity photic zone at least part is arranged at this
Between adhesion glue and this cover plate.
7. fingeprint distinguisher as claimed in claim 5, it is characterised in that this first wave length scope is an infrared light wavelength model
Enclose.
8. fingeprint distinguisher as claimed in claim 5, it is characterised in that this first wave length scope is more than 780 nm, the
Two wave-length coverages are 380～780 nm, and this selectivity photic zone is more than in the penetrance of the light of this first wave length scope
50%, this selectivity photic zone is less than 20% in the penetrance of the light of this second wave length scope.
9. fingeprint distinguisher as claimed in claim 5, it is characterised in that further include:
One light shield layer, is arranged between this adhesion glue and this selectivity photic zone, and wherein this light shield layer comprises an opening, at least portion
Part this optical transmission window is positioned at this of this light shield layer in the orthographic projection of this cover plate and is opened on the orthographic projection of this cover plate.
10. fingeprint distinguisher as claimed in claim 9, it is characterised in that this luminescence component is in the orthographic projection position of this cover plate
In this light shield layer in the orthographic projection of this cover plate.
11. fingeprint distinguishers as claimed in claim 9, it is characterised in that the projection on this cover plate of this adhesion glue is positioned at
In the projection on this cover plate of this light shield layer.
12. fingeprint distinguishers as claimed in claim 9, it is characterised in that in wave-length coverage 380～900 how this light shield layer
The penetrance of the light of rice is less than or equal to 10%.
13. fingeprint distinguishers as claimed in claim 3, it is characterised in that further include:
One sealing, connects this optical fingerprint recognizer component and this cover plate, and wherein this adhesion glue, this cover plate and this optical profile type refer to
This housing of stricture of vagina recognizer component forms a closing space, and this sealing is not positioned at this closing space.
14. fingeprint distinguishers as claimed in claim 1, it is characterised in that this cover plate is relative to a surface bag of a touch surface
Containing a groove, this optical fingerprint recognizer component at least part is arranged in this groove.
15. fingeprint distinguishers as claimed in claim 1, it is characterised in that this cover plate away from this optical fingerprint identification
One of assembly surface is of about between 0.3 millimeter to about 2 millimeters to the distance of this optical fingerprint recognizer component.
16. fingeprint distinguishers as claimed in claim 1, it is characterised in that further include:
One decorative layer, is arranged between this adhesion glue and this cover plate, and wherein this decorative layer comprises an opening, at least this printing opacity of part
Window is positioned at this of this decorative layer in the orthographic projection of this cover plate and is opened on the orthographic projection of this cover plate.
17. fingeprint distinguishers as claimed in claim 16, it is characterised in that this decorative layer defines one of this cover plate viewing area
With a non-display area, this optical fingerprint recognizer component is arranged at this non-display area, and wherein this fingeprint distinguisher further includes one
Display module, is arranged at this viewing area.
18. fingeprint distinguishers as claimed in claim 16, it is characterised in that further include:
One selectivity photic zone, is arranged on this cover plate, at least covers this opening of this decorative layer, wherein this selectivity photic zone
Projection on this optical fingerprint recognizer component covers this optical transmission window of this optical fingerprint recognizer component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517550.5U CN205845065U (en) | 2016-05-31 | 2016-05-31 | Fingeprint distinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517550.5U CN205845065U (en) | 2016-05-31 | 2016-05-31 | Fingeprint distinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205845065U true CN205845065U (en) | 2016-12-28 |
Family
ID=57623326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620517550.5U Active CN205845065U (en) | 2016-05-31 | 2016-05-31 | Fingeprint distinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205845065U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323193A (en) * | 2017-02-27 | 2018-07-24 | 华为技术有限公司 | A kind of concealed fingerprint identification device, dispensing method and terminal |
| CN108829181A (en) * | 2018-05-22 | 2018-11-16 | 维沃移动通信有限公司 | Mobile terminal |
| WO2018228269A1 (en) * | 2017-06-14 | 2018-12-20 | 华为技术有限公司 | Display module and mobile terminal |
| CN109308435A (en) * | 2017-07-27 | 2019-02-05 | 固安翌光科技有限公司 | OLED screen body and optical fingerprint identification device as fingerprint identification device light source |
| CN109508600A (en) * | 2017-09-15 | 2019-03-22 | 南昌欧菲生物识别技术有限公司 | Optical finger print recognizer component and its manufacturing method and electronic device |
| CN109541842A (en) * | 2018-09-07 | 2019-03-29 | 友达光电股份有限公司 | Display panel |
| CN111325100A (en) * | 2020-01-21 | 2020-06-23 | 维沃移动通信有限公司 | Electronic equipment |
| TWI761898B (en) * | 2020-07-30 | 2022-04-21 | 大立光電股份有限公司 | Optical fingerprint identification system and optical fingerprint identification device |
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2016
- 2016-05-31 CN CN201620517550.5U patent/CN205845065U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323193A (en) * | 2017-02-27 | 2018-07-24 | 华为技术有限公司 | A kind of concealed fingerprint identification device, dispensing method and terminal |
| WO2018228269A1 (en) * | 2017-06-14 | 2018-12-20 | 华为技术有限公司 | Display module and mobile terminal |
| CN109308435A (en) * | 2017-07-27 | 2019-02-05 | 固安翌光科技有限公司 | OLED screen body and optical fingerprint identification device as fingerprint identification device light source |
| CN109308435B (en) * | 2017-07-27 | 2023-12-22 | 固安翌光科技有限公司 | OLED screen body used as light source of fingerprint identification device and optical fingerprint identification device |
| CN109508600A (en) * | 2017-09-15 | 2019-03-22 | 南昌欧菲生物识别技术有限公司 | Optical finger print recognizer component and its manufacturing method and electronic device |
| CN108829181A (en) * | 2018-05-22 | 2018-11-16 | 维沃移动通信有限公司 | Mobile terminal |
| CN109541842A (en) * | 2018-09-07 | 2019-03-29 | 友达光电股份有限公司 | Display panel |
| CN109541842B (en) * | 2018-09-07 | 2022-03-29 | 友达光电股份有限公司 | Display panel |
| CN111325100A (en) * | 2020-01-21 | 2020-06-23 | 维沃移动通信有限公司 | Electronic equipment |
| CN111325100B (en) * | 2020-01-21 | 2024-04-09 | 维沃移动通信有限公司 | Electronic equipment |
| TWI761898B (en) * | 2020-07-30 | 2022-04-21 | 大立光電股份有限公司 | Optical fingerprint identification system and optical fingerprint identification device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |