CN104794427B - Fingerprint identification device, touch screen and terminal device - Google Patents
Fingerprint identification device, touch screen and terminal device Download PDFInfo
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- CN104794427B CN104794427B CN201510100749.8A CN201510100749A CN104794427B CN 104794427 B CN104794427 B CN 104794427B CN 201510100749 A CN201510100749 A CN 201510100749A CN 104794427 B CN104794427 B CN 104794427B
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Abstract
The invention discloses a kind of fingerprint identification device, including cover component and fingerprint identification module, cover component includes first part interconnected and second part, and first part is integrated mechanism, and second part includes the substrate and cover board of stacking；Cover board offers touch slot far from the side of substrate；Fingerprint identification module includes at least one fingerprint sensor；The second part of cover component at least offers a groove, and fingerprint identification module is at least partially housed in groove, to make at least one fingerprint sensor be placed in the position than substrate closer to user's finger；It is corresponding with the position of groove to touch slot.It is used in combination by cover board and substrate, passes through the integral strength of substrate reinforcement touch screen when making the thinner thickness of cover board.By opening up groove and touch slot corresponding with groove location, reduce the distance between the end face of fingerprint identification module and cover board, improve fingerprint identification module to fingerprint susceptibility and recognition accuracy.
Description
Technical field
The present invention relates to technical field of touch control, in particular to a kind of fingerprint identification device, touch screen and terminal device.
Background technique
With the development of science and technology, intelligent terminal such as smart phone and tablet computer etc. are widely used to daily life
It is living, however a large amount of personal capsule information are stored in intelligent terminal, safety becomes particularly important.Mostly use setting close at present
The mode of code realizes the protection to intelligent terminal, and user need to input pre-set password and could solve to intelligent terminal
Code uses, the possibility which is revealed or cracked there are password.
The fingerprint of people is made of the rough lines of finger surface skin, is the unique feature of human body, by right
The fingerprint of human body carries out the mode safety with higher that the unlock of intelligent terminal is realized in identification, therefore fingerprint recognition becomes
The cipher mode that some electronic equipments use.
However, fingerprint identification module needs to be installed below cover board for the terminal device for installing fingerprint identification device.Lid
Input interface of the plate as user needs certain intensity, therefore the thickness of cover board is greater than 300 microns.The cover board of top layer is thick
Degree will affect touch screen to the induction sensitivity level and recognition efficiency of fingerprint, and not can guarantee touching if the thickness for reducing cover board
The intensity for controlling screen, is easily damaged.Existing electronic product, such as mobile phone, tablet computer mobile terminal are in order to realize fingerprint recognition
Function needs to punch in its touch cover, and is existed using LGA (Land Grid Array, Background Grid array packages) encapsulation technology
The surface of the cover board of electronic equipment opens up through hole to expose the touch-control sensing region of fingerprint sensor, so as to the fingerprint sensing
Device can be carried out fingerprint detection.And the method for using punching, then it not can guarantee cover board intensity.
Summary of the invention
Based on this, it is necessary to recognition efficiency that is not high for fingerprint sensitivity and can not guaranteeing fingerprint identification device simultaneously and
The problem of intensity, provides a kind of raising sensitivity and increases recognition efficiency and do not influence the fingerprint identification device of intensity, touch-control
Screen and terminal device.
A kind of fingerprint identification device, comprising:
Cover component, the cover component include first part interconnected and second part, and the first part is
Integral mechanism, the second part include the substrate and cover board of stacking；The cover board offers touching far from the side of the substrate
Touch slot；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module includes at least one
Fingerprint sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module at least partly accommodates
In the groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger
It sets；
The touch slot is corresponding with the position of the groove.
The present invention also provides a kind of touch screens, comprising:
Cover component, the cover component include first part interconnected and second part, and the first part is
Integral mechanism, the second part include the substrate and cover board of stacking；The cover board offers touching far from the side of the substrate
Touch slot；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module includes at least one
Fingerprint sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module at least partly accommodates
In the groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger
It sets；
The touch slot is corresponding with the position of the groove；
Touch-control sensing layer is formed in the first part.
The present invention also provides a kind of terminal device, including visible area and non-visible area domain, the terminal devices further include:
It is at least partially arranged at the touch-control sensing layer and display layer of the visible area；
It is at least partially arranged at the fingerprint identification device in the non-visible area domain；
The fingerprint identification device includes:
Cover component, covers the visible area and the non-visible area domain, and the cover component includes interconnected
First part and second part, the first part are integrated mechanism, and the second part includes the substrate and cover board of stacking；Institute
It states cover board and offers touch slot far from the side of the substrate；
The first part is bonded with the touch-control sensing layer, and the touch-control sensing layer is set to the first part and institute
It states between display layer；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module includes at least one
Fingerprint sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module at least partly accommodates
In the groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger
It sets；
The touch slot is corresponding with the position of the groove.
Above-mentioned fingerprint identification device presses cover clamp by finger, fingerprint is acquired and is known by fingerprint identification module
Not.Cover component is divided into first part and second part, and second part is used in combination by cover board and substrate, makes the thinner thickness of cover board
When pass through the integral strength of substrate reinforcement fingerprint identification device, it is ensured that fingerprint identification device is not easy to be damaged, and second part
Lower thickness can be used to cooperate the lower penetration capacity of fingerprint identification module in cover board, it is ensured that fingerprint identification module can effectively be felt
Answer user fingerprints.For second part using double-deck, first part uses thicker single layer, thus the crack damage of second part not shadow
Ring the touch function of first part.Fingerprint identification module is partially disposed in groove, and fingerprint identification device overall volume is made to become smaller, and
It can be made more to consolidate to be installed between cover board and substrate.By opening up groove, it is remote with cover board to reduce fingerprint identification module
The distance between end face from substrate, improves its susceptibility and accuracy, by being equipped with touching corresponding with groove location in cover board
Slot is touched, the distance between the touch surface of fingerprint identification module and cover board is further reduced, improves fingerprint identification module to finger
The susceptibility of line and recognition accuracy, the fingerprint more easy to identify positioned at end face of the cover board far from substrate.
Detailed description of the invention
Fig. 1 is the perspective view of fingerprint identification device preferred embodiment of the present invention；
Fig. 2 is fingerprint identification device cover plate front view in Fig. 1；
Fig. 3 is fingerprint identification device cover plate back view in Fig. 1；
Fig. 4 is fingerprint identification module partial enlarged view in fingerprint identification device in Fig. 1；
Fig. 5 is the sectional view of fingerprint identification device in Fig. 1；
Fig. 6 is the sectional view of the fingerprint identification device of another embodiment；
Fig. 7 is the sectional view of the fingerprint identification device of another embodiment；
Fig. 8 is the fingerprint identification device cover plate front view of another embodiment；
Fig. 9 is the sectional view of touch screen preferred embodiment；
Figure 10 is the structural schematic diagram that terminal sets preferred embodiment；
Structural schematic diagram of the Figure 11 between Figure 10 terminal device cover plate, touch-control sensing layer, display layer and substrate.
Specific embodiment
It is illustrated to make the objectives, technical solutions, and advantages of the present invention clearer, it is right below according to accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
Do not limit the present invention.
The present invention provides a kind of fingerprint identification device, touch screen and terminal device.Fingerprint according to an embodiment of the present invention is known
Other device can be applied to the terminals such as mobile phone, tablet computer, laptop, media player, also can be applied to automatic cabinet
The financial terminal equipments such as member's machine (Automated Teller Machine, ATM).
Referring to figure 1, figure 2 and figure 5., the first embodiment of the invention provides a kind of touching equipped with fingerprint identification device 100
Control screen 200, fingerprint identification device 100 includes cover component and fingerprint identification module 50, and cover component includes interconnected
First part 130 and second part 150, first part 130 are structure as a whole, and second part 150 includes 30 He of substrate of stacking
The cover board 10 being attached on substrate 30, between cover board 10 and substrate 30, fingerprint identification module 50 wraps fingerprint identification module 50
Include at least one fingerprint sensor.The second part 150 of cover component at least offers a groove, fingerprint identification module 50 to
Small part is contained in groove, to be placed in fingerprint sensor than the substrate 30 closer to the position of user's finger.
Cover board 10 offers far from the side of substrate 30 and touches slot 110, and it is corresponding with the position of groove to touch slot 110.Touch screen 200 is also
Equipped with touch-control sensing layer 210, at least one layer of color is set on the second part 150 of the touch cover component for incuding user
Layer.Color layers include at least one layer of ink layer, and ink is coated on cover component.Specifically, the thickness of first part 130 and second
The thickness of part 150 is suitable, to ensure the intensity of fingerprint identification device 100.Touching slot 110 is one on the outer surface of cover board 10
A weakened region, such as a circular blind hole can be used for user and provide touch location prompt when carrying out fingerprint recognition, simultaneously
Also the thickness by cover board 10 in the region is thinned, and the fingerprint identification module 50 being located at this is enable to be more easier to sense finger
Line signal.
In the present embodiment, the cover board 10 in the second part 150 of cover component close to the side of substrate 30 offer to
Small part accommodates the first groove 20 of fingerprint identification module 50, and it is corresponding with the position of the first groove 20 to touch slot 110.Specifically
Ground, fingerprint identification module 50 are only partially accommodated in the first groove 20；At least one is provided on the second part 150 of cover component
Layer color layers.
Above-mentioned fingerprint identification device 100 is pressed cover clamp 10 by finger, is acquired by fingerprint identification module to fingerprint
And identification.Cover component is divided into first part 130 and second part 150, second part 150 uses cover board 10 using bilayer
It is used in combination, makes in the thinner thickness of cover board 10 through the integral strength of 30 reinforcement fingerprint identification device 100 of substrate with substrate 30,
Ensure that fingerprint identification device 100 is not easy to be damaged, and lower thickness can be used to cooperate fingerprint to know in the cover board 10 of second part 150
The lower penetration capacity of other module 50, it is ensured that fingerprint identification module 50 can effectively incude user fingerprints.Second part 150 uses
Bilayer, first part 130 uses thicker single layer, so that the crack damage of second part 150 does not influence the touching of first part 130
Control function.The setting for touching slot 110 additionally aids user's location fingerprint identification region, and reduces fingerprint identification module 50 and lid
End face the distance between of the plate 10 far from substrate 30 can be improved fingerprint identification module 50 to the induction sensitivity of user fingerprints, use
Family only need to find the position of the touch slot 110 on 10 surface of cover board, and by pressing, fingerprint identification module 50 can be acquired and be identified
Finger print information.The first groove 20 corresponding with 110 position of slot is touched is opened up by 30 side of close substrate in cover board 10, into one
Step reduces fingerprint identification module 50 and end face the distance between of the cover board 10 far from substrate 30, to improve recognition efficiency.Fingerprint
Identification module 50 is partially disposed in the first groove 20 that cover board 10 opens up, and makes fingerprint identification module 50 is firm to be installed on 10 He of cover board
Between substrate 30.
The interior diameter of slot 110 is touched along side of the axis from cover board 10 far from substrate 30 of cover board 10 to touching slot 110
Bottom is gradually reduced.Specifically, slot 110 is touched to be arc-shaped, since Fingers face is in curved surface, the touch slot 110 that is arc-shaped
So that user's finger is more comfortable when touching.
The thickness of cover board 10 is less than or equal to 100 microns.Cover board 10 is relatively thin, so that penetration power of the fingerprint for cover board 10
It is stronger, it is more easier to obtain finger print information, keeps the discrimination of fingerprint identification device 100 higher.The thickness range of second part 150
It is 300~400 microns, i.e., the thickness range of cover board 10 plus substrate 30 is 300~400 microns.The setting of substrate 30 enhances whole
The intensity of a fingerprint identification device 100, suitable thickness range both can be improved intensity and also ensured that entire fingerprint identification device 100
Size it is suitable.
Make the integral thickness of the cover component of electronic equipment at 500 microns hereinafter, making the cover board of electronic equipment in this way
Element had not only been able to achieve the demand of the rigid of input interface, but also not will increase electronic equipment thickness, such electronic equipment cover board
Fingerprint sensor in the case of borehole, is not embedded among cover component cleverly and solves technical problem of the invention by element.
10 material of cover board includes glass, polyester resin, sapphire or ceramics, 30 material of substrate include glass, polyester resin,
Sapphire or ceramics.Specifically, cover board 10 uses glassy layer, and substrate 30 uses glassy layer.Specifically, the glass that cover board 10 uses
Layer is ultra-thin glass layer, makes the slimming of cover board 10 and lightweight.It is understood that cover board 10 and substrate 30 can be used it is identical or
Different materials are made.
Protective layer is additionally provided with far from the side of substrate 30 in cover board 10.Specifically, protective layer includes high saturating fingerprint proof membrane, is covered
It covers on cover board 10, avoids the abrasion of cover board 10.High fingerprint proof membrane thoroughly can the effective grease proofing dust protection of anti-fingerprint and higher
Light transmittance and preferable scratch resistant abrasion resistant effect, better cover sheet 10.
Fingerprint identification device 100 further includes adhesion agent 90, and adhesion agent 90 is set between cover board 10 and substrate 30, cover board 10 with
Substrate 30 is bonded by adhesion agent 90, keeps fingerprint identification device 100 more firm.Specifically, adhesion agent 90 is surrounded on fingerprint
Identification module so that cover board 10 bonded with substrate 30 it is even closer.
90 material of adhesion agent is transparent optical cement or ultraviolet hardening resin.Transparent optical cement is for cementing transparent optical
The extraordinary adhesion agent 90 of element, be it is a kind of it is colorless and transparent, light transmission rate is strong, the good adhesion agent 90 of cementing strength, and can be in room
Solidify under temperature or medium temperature, and has the features such as cure shrinkage is small.The adhesion agent 20 of ultraviolet hardening resin material can inhibit exterior light
Scatter situation according to light caused by backlight, have with refractive index similar in glass and light transmittance, and different substrate materials can be born
Dilation rate can keep out high/low temperature variation when cover board 10 is bonded with substrate 30 and lead to the problem of.
Fingerprint identification module 50 further includes circuit board and fingerprint recognition chip；Fingerprint sensor passes through with fingerprint recognition chip
Circuit board electrical connection.
Fingerprint sensor is electrically connected to circuit board, and fingerprint sensor to the pressing of cover board 10 and acquires hand for finger sensing
The fingerprint of finger is to generate analog signal.In the present embodiment, multichannel high-efficient fingerprint sensor can be used in fingerprint sensor.It can be with
Understand, the settable sensing circuit of fingerprint sensor is generated with carrying out fingerprint collecting and analog signal, and fingerprint sensor can be with
It is encapsulated in single in-line packages (single in-line, SiP).Fingerprint sensor can also be used single chip and by filling out
Colloid is filled to be protected.Sensing circuit can be packaged in epoxy resin or other elastomeric materials, so that sensing circuit can
To obtain Reasonable Protection, avoid being damaged by collision when assembly.
Fingerprint sensor includes the capacitance type fingerprint sensing that can be capacitively coupled to the user fingerprints of user's finger
Device.Fingerprint sensor includes multiple fingerprint identification units being arranged in the matrix form.Fingerprint identification unit may include induction electrode
And driving electrodes.There is detector gap between induction electrode and driving electrodes, may make up a basic capacitor, when finger presses
The position that fingerprint sensor is corresponded on cover board 10, since the dielectric constant of fingerprint ridge is 10 to 20 times of air, induced electricity
Capacitive coupling between pole and driving electrodes can be different according to fingerprint ridge and the difference of fingerprint valley.To judge fingerprint ridge and
Fingerprint valley obtains fingerprint image, to carry out fingerprint collecting.It is appreciated that the working principle of fingerprint sensor is without being limited thereto, it can be with
Different fingerprint sensors is selected as needed.
Fingerprint sensor is mounted directly on cover board 10 towards 30 side of substrate.So as to reduce fingerprint sensor and user hand
The distance between refer to, convenient for user by touching cover board 10 so that fingerprint identification module carries out fingerprint induction, identification.
Circuit board is flexible circuit board.Flexible circuit board is using polyimides or polyester film as a kind of tool made of substrate
There is the circuit board of height reliability.Have many advantages, such as that Distribution density is high, light-weight, thickness is thin, bending is good.Flexible circuit board is answered
For the size of entire fingerprint identification module in fingerprint identification module, can be reduced, and there is lighter weight, there is longer make
Use the service life.
Circuit board bearing fingerprint sensor and fingerprint recognition chip, and by the fingerprint sensor and fingerprint recognition chip into
Row is electrically connected.The substrate of circuit board can be used Kapton (Polyimide film, PI film) and be made.Further
, two layers of polyimide resin (Polyimide resin, PI resin) composition can be used in the substrate of circuit board, can also be by
One layer of polyimide base material combines the protective layer resin of one layer of other materials to constitute.Invention is not limited thereto.
Fig. 3, Fig. 4 and Fig. 6 are please referred to, second of embodiment of the invention provides a kind of fingerprint identification device 100, with
A kind of embodiment is roughly the same, including cover component, first part 130, second part 150, substrate 30, cover board 10, fingerprint knowledge
Other module 50, at least one fingerprint sensor, the second part 150 of cover component at least offer a groove, fingerprint recognition
Module 50 is at least partially housed in groove, cover board 10 far from the side of substrate 30 offer touch slot 110, touch slot 110 with
The position of groove is corresponding.At least one layer of color layers are set on the second part 150 of cover component, and color layers include at least one layer
Ink layer, ink are coated on cover component.
The difference is that the substrate 30 in the second part 150 of cover component is offered close to the side of cover board 10
At least partly accommodate the second groove 40 of fingerprint identification module 50.It is corresponding with the position of the second groove 40 to touch slot 110.?
In the present embodiment, fingerprint identification module 50 is partially accommodated in the second groove 40, makes fingerprint identification module 50 is firm to be installed on lid
Between plate 10 and substrate 30.
Referring to Fig. 7, the third embodiment of the invention provides a kind of fingerprint identification device 100, with the first implementation
Example it is roughly the same, including cover component, first part 130, second part 150, substrate 30, cover board 10, fingerprint identification module 50,
At least one fingerprint sensor, the second part 150 of cover component at least offer a groove, and fingerprint identification module 50 is at least
It is partially accommodated in groove, at least one layer of color layers is set on the second part 150 of cover component, color layers include at least one layer
Ink layer, ink are coated on cover component.
The difference is that the cover board 10 of the second part 150 of cover component offers at least close to the side of substrate 30
Part accommodates the first groove 20 of fingerprint identification module 50 and substrate 30 offers close to the side of cover board 10 and at least partly holds
Receive the second groove 40 of fingerprint identification module 50, the position for touching slot 110, the first groove 20 and the second groove 40 is corresponding.?
In this specific embodiment, fingerprint identification module 50 is only partially accommodated in the first groove 20 and the second groove 40.Fingerprint recognition mould
The both ends of block 50 are respectively placed in the first groove 20 that cover board 10 opens up and in the second groove 40 that substrate 30 opens up, and are both reduced
Fingerprint identification module 50 and end face the distance between of the cover board 10 far from substrate 30, improve the sensitivity of fingerprint identification module 50
Degree and accuracy, and can effectively ensure that fingerprint identification module 50 is more firm and be installed between cover board 10 and substrate 30, and make
100 overall volume of fingerprint identification device becomes smaller.It touches slot 110 and further reduces fingerprint identification module 50 and cover board 10 far from base
The distance between the end face of plate 30 further improves fingerprint identification module 50 to the induction sensitivity of user's finger.
Please continue to refer to Fig. 5, Fig. 6 and Fig. 7, the 4th kind of embodiment of the invention provides a kind of fingerprint identification device 100,
It is roughly the same with the first embodiment, second embodiment or 3rd embodiment, including cover component, touch slot 110, first part
130, second part 150, substrate 30, cover board 10, fingerprint identification module 50, at least one fingerprint sensor, the of cover component
Two parts 150 at least offer a groove, and fingerprint identification module 50 is at least partially housed in groove, touch slot 110 with it is recessed
Groove location is corresponding.At least one layer of color layers are set on the second part 150 of cover component, and color layers include at least one layer of ink
Layer, ink are coated on cover component.The cover board 10 of second part 150 offers at least close to the side of substrate 30 in cover component
Part accommodates the first groove 20 of fingerprint identification module 50 or/and the substrate 30 in cover component is opened up close to the side of cover board 10
There is the second groove 40 at least partly accommodating fingerprint identification module 50.
The difference is that the cover board 10 of second part 150 is equipped with the first color layers 71 close to the side of substrate 30, with right
The element of 10 lower section of cover board is covered, and fingerprint identification device is made to have good appearance.First color layers 71 are known around fingerprint
Color at other module 50 is different from the color of 71 other positions of the first color layers, facilitates the better location fingerprint of user in this way
Identification region.
5th kind of embodiment of the invention provides a kind of fingerprint identification device 100, roughly the same with the 4th kind of embodiment,
Including cover component, touch slot 110, first part 130, second part 150, substrate 30, cover board 10, fingerprint identification module 50,
At least one fingerprint sensor, the second part 150 of cover component at least offer a groove, and fingerprint identification module 50 is at least
It is partially accommodated in groove, it is corresponding with groove location to touch slot 110.It is arranged at least one on the second part 150 of cover component
Layer color layers, color layers include at least one layer of ink layer, and ink is coated on cover component.Second part 150 in cover component
Cover board 10 offers the first groove 20 or/and cover board member at least partly accommodating fingerprint identification module 50 close to the side of substrate 30
Substrate 30 in part offers the second groove 40 at least partly accommodating fingerprint identification module 50 close to the side of cover board 10.
The difference is that the substrate 30 of second part 150 close to the side of cover board 10 be equipped with the second color layers 72, second
Color layers 72 play the role of shading and shadowing elements.Color and other positions of second color layers 72 around fingerprint identification module 50
The color set is different.
6th kind of embodiment of the invention provides a kind of fingerprint identification device 100, roughly the same with the 4th kind of embodiment,
Including cover component, touch slot 110, first part 130, second part 150, substrate 30, cover board 10, fingerprint identification module 50,
At least one fingerprint sensor, the second part 150 of cover component at least offer a groove, and fingerprint identification module 50 is at least
It is partially accommodated in groove, it is corresponding with groove location to touch slot 110.It is arranged at least one on the second part 150 of cover component
Layer color layers, color layers include at least one layer of ink layer, and ink is coated on cover component.Second part 150 in cover component
Cover board 10 offers the first groove 20 or/and cover board member at least partly accommodating fingerprint identification module 50 close to the side of substrate 30
Substrate 30 in part offers the second groove 40 at least partly accommodating fingerprint identification module 50 close to the side of cover board 10.
The difference is that the cover board 10 of second part 150 is equipped with the first color layers 71, and base close to the side of substrate 30
Plate 30 is equipped with the second color layers 72 close to the side of cover board 10.By the way that multilayered color-forming layer is arranged, i.e., in 10 side of cover board setting the
One color layers 71 and 30 side of substrate be arranged the second color layers 72, can preferably carry out the masking of light, and to 10 side of cover board
Element covered, make fingerprint identification device have good appearance.
The color of the color and 71 other positions of the first color layers at fingerprint identification module 50 of first color layers 71
Difference, and the color of the color and 72 other positions of the second color layers around fingerprint identification module 50 of the second color layers 72 is not
Together.
It is appreciated that when offering the first groove 20 and the second groove 40 on cover board 10 and substrate 30 respectively, it can also be only
One layer of color layers are set；It, can also be only by the encirclement of the first color layers 71 or the second color layers 72 when being provided with two layers of color layers
Color at fingerprint identification module 50 is arranged to difference.
Please continue to refer to Fig. 5, Fig. 6 and Fig. 7, the present invention also provides the fingerprint identification device 100 of the 7th kind of embodiment,
It is roughly the same with the first embodiment, second of embodiment or the third embodiment, including cover component, touch slot 110, first
Part 130, second part 150, substrate 30, cover board 10, fingerprint identification module 50, at least one fingerprint sensor, cover component
Second part 150 at least offer a groove, fingerprint identification module 50 is at least partially housed in groove, touch slot 110
It is corresponding with groove location.At least one layer of color layers are set on the second part 150 of cover component, and color layers include at least one layer
Ink layer, ink are coated on cover component.The cover board 10 of second part 150 is offered close to the side of substrate 30 in cover component
The first groove 20 of fingerprint identification module 50 or/and the substrate 30 in cover component are at least partly accommodated close to the side of cover board 10
Offer the second groove 40 at least partly accommodating fingerprint identification module 50.
First part 130 is extended by 150 cover plate 10 of second part, and cover board 10 is integrated with first part 130
Structure, fingerprint identification module 50 are placed in cover board 10 close to the side of substrate 30, and the thickness of cover board 10 is settable compared with book, improves fingerprint
The sensitivity of identification.
The present invention also provides the fingerprint identification devices 100 of the 8th kind of embodiment, with the first embodiment, second of implementation
Example or the third embodiment are roughly the same, including cover component, touch slot 110, first part 130, second part 150, substrate
30, the second part 150 of cover board 10, fingerprint identification module 50, at least one fingerprint sensor, cover component at least offers one
A groove, fingerprint identification module 50 are at least partially housed in groove, and it is corresponding with groove location to touch slot 110.Cover component
Second part 150 at least one layer of color layers are set, color layers include at least one layer of ink layer, and ink is coated on cover board member
Part.The cover board 10 of second part 150 offers at least partly receiving fingerprint recognition mould close to the side of substrate 30 in cover component
Substrate 30 in the first groove 20 or/and cover component of block 50, which offers at least partly to accommodate close to the side of cover board 10, to be referred to
Second groove 40 of line identification module 50.
First part 130 is extended by substrate 30 in second part 150, and substrate 30 is integrated with first part 130
Structure, fingerprint identification module 50 are placed in cover board 10 close to the side of substrate 30, and the thickness of cover board 10 is settable compared with book, improves fingerprint
The sensitivity of identification.
Referring to Fig. 8, in another embodiment, 50 quantity of fingerprint identification module in fingerprint identification device 100 is 2,
It is respectively arranged at the opposite top and bottom in the position of cover board 10.
Referring to Fig. 9, the invention also discloses a kind of touch screen 200 of embodiment, including above-mentioned fingerprint identification device
100, wherein touch-control sensing layer 210 is formed in first part 130.User touches the touch-control of the first part 130 on cover component
Inductive layer 210 can sense the touch of user, realize touch control operation.Fingerprint identification device 100 is above-mentioned to be described in detail, so not
It is burdensome again.
Above-mentioned touch screen 200 presses cover clamp 10 by finger, fingerprint is acquired and is known by fingerprint identification module
Not.Cover component is divided into first part 130 and second part 150, second part 150 uses cover board 10 and base using bilayer
Plate 30 is used in combination, and makes in the thinner thickness of cover board 10 through the integral strength of 30 reinforcement fingerprint identification device 100 of substrate, it is ensured that refer to
Line identification device 100 is not easy to be damaged.Lower thickness can be used to cooperate fingerprint identification module in the cover board 10 of second part 150
50 lower penetration capacitys, it is ensured that fingerprint identification module 50 can effectively incude user fingerprints.Second part 150 uses bilayer,
First part 130 uses thicker single layer, so that the crack damage of second part 150 does not influence the touch-control function of first part 130
Energy.Fingerprint identification module 50 is partially disposed in groove 20, make fingerprint identification module 50 it is firm be installed on cover board 10 and substrate 30 it
Between, and fingerprint identification module 50 and end face the distance between of the cover board 10 far from substrate 30 are reduced, improve fingerprint recognition mould
The susceptibility of block and accuracy.The setting for touching slot 110 further reduces fingerprint identification module and cover board 10 far from substrate 30
The distance between end face, further improve fingerprint identification module 50 to the induction sensitivity of user's finger fingerprint, be easier to know
Not Wei Yu end face of the cover board 10 far from substrate 30 fingerprint.
Figure 10 and Figure 11 are please referred to, the invention also discloses a kind of terminal devices 300 of embodiment, including visible area
310 and non-visible area domain 320, further include the touch-control sensing layer 210 for being at least partially disposed at visible area 310, display layer 330 and
It is at least partially disposed at the above-mentioned fingerprint identification device 100 in non-visible area domain 320.Specifically, cover component covers visible area 310
With non-visible area domain 320, i.e. second part 150 covers visible area 310, and first part 130 covers non-visible area domain 320.The
A part 130 is bonded with touch-control sensing layer 210, and touch-control sensing layer 210 be set to first part 130 and display layer 330 it
Between.Fingerprint identification device 100 is above-mentioned to be described in detail, so no longer burdensome.
Above-mentioned terminal device 300, it is corresponding by fingerprint sensor in fingerprint identification device 100 in pressing terminal device 300
Position, fingerprint is acquired, fingerprint recognition chip to fingerprint recognition success after, the display interface of switching terminal equipment 300.
By the touch to cover board 10, touch-control sensing layer 210 can finger sensing touch, realize touch control operation.By fingerprint recognition, avoid
Information leakage and loss in terminal device 300 improve the safety of terminal device 300.It touches slot 110 and reduces fingerprint recognition
Module and end face the distance between of the cover board 10 far from substrate 30, improve fingerprint identification module 50 to user's finger fingerprint
Induction sensitivity, the fingerprint more easy to identify positioned at end face of the cover board 10 far from substrate 30.And second part 150 uses bilayer, the
A part 130 uses thicker single layer, so that the crack damage of second part 150 does not influence the touch-control function of first part 130
Can, to not influence the induction of 210 pairs of user fingerprints of touch-control sensing layer.
Be set to the cover board 10 of the second part 150 of visible area 310 far from a side end face of substrate 30 be set to it is non-
The first part 130 of visible area 320 is in same plane far from 210 side end face of touch-control sensing layer.Visible area 310 with it is non-
It is seamlessly transitted between visible area 320, allows 300 surface more smooth of terminal device.
User is in the corresponding fingerprint sensor of 300 non-visible area domain of terminal device, 320 fingerprint identification device, 100 cover plate 10
Position is pressed, and fingerprint identification module 50 is acquired and identifies to fingerprint, is generated signal after identifying successfully, is made terminal device
300 make corresponding processing, and export corresponding interface by display layer 330.
User touches or presses to the cover board 10 in the visible area 310 of terminal device 300, touch sensitive layer 210
The track of user's touch operation on cover board 10 for identification, and the operation trace is converted into operation information, realize that terminal is set
Standby 300 interactive controlling.
Specifically, touch-control sensing layer 210 includes colorimetric sensor films layer.By colorimetric sensor films layer incude user pressing or
Sliding, generates corresponding signal, terminal device 300 carries out different processing according to different signals, and processing result passes through display
Layer 330 is shown, realizes human-computer interactive control.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (40)
1. a kind of fingerprint identification device characterized by comprising
Cover component, the cover component include first part interconnected and second part, and the first part is integrated
Mechanism, the second part include the substrate and cover board of stacking, and the cover board is attached at the substrate；The cover board is far from described
The side of substrate offers touch slot；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module include at least one fingerprint
Sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module is at least partially housed in institute
It states in groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger；
The touch slot is corresponding with the position of the groove；
Wherein, the thickness of the first part is suitable with the thickness of the second part, and the first part is by described second
Cover board described in point extends, and the cover board is integrated with the first part or the first part is by institute
It states substrate described in second part to extend, the substrate is integrated with the first part.
2. fingerprint identification device according to claim 1, which is characterized in that the interior diameter for touching slot is along the cover board
Side of the axis from the cover board far from the substrate to the bottom for touching slot be gradually reduced.
3. fingerprint identification device according to claim 1, which is characterized in that the cover board is opened close to the side of the substrate
Equipped with the first groove at least partly accommodating the fingerprint identification module, the touch slot is opposite with the position of first groove
It answers.
4. fingerprint identification device according to any one of claims 1 to 3, which is characterized in that the substrate is close to described
The side of cover board offers the second groove at least partly accommodating the fingerprint identification module, the touch slot and described second recessed
The position of slot is corresponding.
5. fingerprint identification device according to claim 1, which is characterized in that be arranged on the second part of the cover component
At least one layer of color layers.
6. fingerprint identification device according to claim 5, which is characterized in that the cover board is set close to the side of the substrate
There are the first color layers.
7. fingerprint identification device according to claim 6, which is characterized in that first color layers surround the fingerprint
Color at identification module is different from the color of the first color layers other positions.
8. according to fingerprint identification device described in claim 5~7 any one, which is characterized in that the substrate is close to described
The side of cover board is equipped with the second color layers.
9. fingerprint identification device according to claim 8, which is characterized in that second color layers surround the fingerprint
Color at identification module is different from the color of the second color layers other positions.
10. fingerprint identification device according to claim 1, which is characterized in that the fingerprint identification device further includes adhesion
Agent, the adhesion agent are set between the cover board and the substrate；The adhesion agent is surrounded on the fingerprint identification module.
11. fingerprint identification device according to claim 1, which is characterized in that the thickness of the cover board is less than or equal to 100
Micron, the thickness range of the second part are 300~400 microns.
12. fingerprint identification device according to claim 1, which is characterized in that the fingerprint of the fingerprint identification module
Sensor is mounted directly on the cover board towards the substrate side.
13. fingerprint identification device according to claim 1, which is characterized in that the fingerprint identification module further includes circuit
Plate and fingerprint recognition chip；The fingerprint sensor and the fingerprint recognition chip pass through the circuit board electrical connection, the electricity
Road plate is flexible circuit board, and the fingerprint sensor includes the electricity that can be capacitively coupled to the user fingerprints of user's finger
Appearance formula fingerprint sensor.
14. a kind of touch screen including fingerprint identification device characterized by comprising
Cover component, the cover component include first part interconnected and second part, and the first part is integrated
Mechanism, the second part include the substrate and cover board of stacking, and the cover board is attached at the substrate；The cover board is far from described
The side of substrate offers touch slot；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module include at least one fingerprint
Sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module is at least partially housed in institute
It states in groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger；
The touch slot is corresponding with the position of the groove；
Touch-control sensing layer is formed in the first part；
Wherein, the thickness of the first part is suitable with the thickness of the second part, and the first part is by described second
Cover board described in point extends, and the cover board is integrated with the first part or the first part is by institute
It states substrate described in second part to extend, the substrate is integrated with the first part.
15. touch screen according to claim 14, which is characterized in that axis of the interior diameter for touching slot along the cover board
Side of the line from the cover board far from the substrate to the bottom for touching slot is gradually reduced.
16. touch screen according to claim 14, which is characterized in that the cover board is offered close to the side of the substrate
The first groove of the fingerprint identification module is at least partly accommodated, the touch slot is corresponding with the position of first groove.
17. touch screen described in 4~16 any one according to claim 1, which is characterized in that the substrate is close to the cover board
Side offer the second groove at least partly accommodating the fingerprint identification module, slot and second groove of touching
Position is corresponding.
18. touch screen according to claim 14, which is characterized in that be arranged at least on the second part of the cover component
One layer of color layers.
19. touch screen according to claim 14, which is characterized in that the cover board is equipped with the close to the side of the substrate
One color layers.
20. touch screen according to claim 19, which is characterized in that first color layers surround the fingerprint recognition
Color at module is different from the color of the first color layers other positions.
21. 4-16 according to claim 1, touch screen described in 18~20 any one, which is characterized in that the substrate is close to institute
The side for stating cover board is equipped with the second color layers.
22. touch screen according to claim 21, which is characterized in that second color layers surround the fingerprint recognition
Color at module is different from the color of the second color layers other positions.
23. touch screen according to claim 14, which is characterized in that the touch screen further includes adhesion agent, the adhesion
Agent is set between the cover board and the substrate；The adhesion agent is surrounded on the fingerprint identification module.
24. touch screen according to claim 14, which is characterized in that the thickness of the cover board is less than or equal to 100 microns,
The thickness range of the second part is 300~400 microns.
25. touch screen according to claim 14, which is characterized in that the fingerprint sensor of the fingerprint identification module
The cover board is mounted directly on towards the substrate side.
26. touch screen according to claim 14, which is characterized in that the fingerprint identification module further includes circuit board and refers to
Line identification chip；The fingerprint sensor and the fingerprint recognition chip pass through the circuit board electrical connection；The circuit board is
Flexible circuit board, the fingerprint sensor include that can be capacitively coupled to the condenser types of the user fingerprints of user's finger to refer to
Line sensor.
27. a kind of terminal device for fingerprint recognition sensing, which is characterized in that including visible area and non-visible area domain, institute
State terminal device further include:
It is at least partially arranged at the touch-control sensing layer and display layer of the visible area；
It is at least partially arranged at the fingerprint identification device in the non-visible area domain；
The fingerprint identification device includes:
Cover component, covers the visible area and the non-visible area domain, and the cover component includes interconnected first
Part and second part, the first part are integrated mechanism, and the second part includes the substrate and cover board of stacking, the lid
Plate is attached at the substrate；The cover board offers touch slot far from the side of the substrate；
The first part is bonded with the touch-control sensing layer, and the touch-control sensing layer is set to the first part and shows with described
Show between layer；
Fingerprint identification module between the cover board and the substrate, the fingerprint identification module include at least one fingerprint
Sensor；
The second part of the cover component at least offers a groove, and the fingerprint identification module is at least partially housed in institute
It states in groove, to be placed at least one described fingerprint sensor than the substrate closer to the position of user's finger；
The touch slot is corresponding with the position of the groove；
Wherein, the thickness of the first part is suitable with the thickness of the second part, and the first part is by described second
Cover board described in point extends, and the cover board is integrated with the first part or the first part is by institute
It states substrate described in second part to extend, the substrate is integrated with the first part.
28. terminal device according to claim 27, which is characterized in that the interior diameter for touching slot is along the cover board
Side of the axis from the cover board far from the substrate to the bottom for touching slot is gradually reduced.
29. terminal device according to claim 27, which is characterized in that the cover board is opened up close to the side of the substrate
There is the first groove at least partly accommodating the fingerprint identification module, the touch slot is opposite with the position of first groove
It answers.
30. according to terminal device described in claim 27~29 any one, which is characterized in that the substrate is close to the lid
The side of plate offers the second groove at least partly accommodating the fingerprint identification module, the touch slot and second groove
Position it is corresponding.
31. terminal device according to claim 27, which is characterized in that be arranged on the second part of the cover component to
Few one layer of color layers.
32. terminal device according to claim 31, which is characterized in that the cover board is equipped with close to the side of the substrate
First color layers.
33. terminal device according to claim 32, which is characterized in that first color layers are known around the fingerprint
Color at other module is different from the color of the first color layers other positions.
34. according to terminal device described in claim 31~33 any one, which is characterized in that the substrate is close to the lid
The side of plate is equipped with the second color layers.
35. terminal device according to claim 34, which is characterized in that second color layers are known around the fingerprint
Color at other module is different from the color of the second color layers other positions.
36. terminal device according to claim 27, which is characterized in that the fingerprint identification device further includes adhesion agent,
The adhesion agent is set between the cover board and the substrate, and the adhesion agent is surrounded on the fingerprint identification module.
37. terminal device according to claim 27, which is characterized in that it is micro- that the thickness of the cover board is less than or equal to 100
Rice, the thickness range of the second part are 300~400 microns.
38. terminal device according to claim 27, which is characterized in that the fingerprint sensing of the fingerprint identification module
Device is mounted directly on the cover board towards the substrate side.
39. terminal device according to claim 27, which is characterized in that the fingerprint identification module further include circuit board and
Fingerprint recognition chip；The fingerprint sensor and the fingerprint recognition chip pass through the circuit board electrical connection, the circuit board
For flexible circuit board, the fingerprint sensor includes the condenser type that can be capacitively coupled to the user fingerprints of user's finger
Fingerprint sensor.
40. terminal device according to claim 27, which is characterized in that be set to described second of the visible area
Point a side end face of the cover board far from the substrate and be set to the first part in the non-visible area domain far from institute
It states touch-control sensing layer side end face and is in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100749.8A CN104794427B (en) | 2015-03-06 | 2015-03-06 | Fingerprint identification device, touch screen and terminal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100749.8A CN104794427B (en) | 2015-03-06 | 2015-03-06 | Fingerprint identification device, touch screen and terminal device |
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| CN104794427A CN104794427A (en) | 2015-07-22 |
| CN104794427B true CN104794427B (en) | 2019-03-12 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068605A (en) * | 2015-07-31 | 2015-11-18 | 信利光电股份有限公司 | Cover plate and electronic device |
| CN107004119A (en) * | 2015-08-07 | 2017-08-01 | 上海箩箕技术有限公司 | Fingerprint recognition system and forming method thereof |
| CN106468978B (en) * | 2015-08-17 | 2020-03-17 | 小米科技有限责任公司 | Method and device for realizing compatibility of touch key and fingerprint identification and terminal equipment |
| CN106469290A (en) * | 2015-08-17 | 2017-03-01 | 小米科技有限责任公司 | Touch key-press and fingerprint recognition compatibility implementation method, device and terminal unit |
| CN105302374B (en) * | 2015-11-13 | 2018-08-14 | 业成光电（深圳）有限公司 | Has the display panel structure and preparation method thereof of concealed blind hole |
| CN106325396A (en) * | 2016-10-19 | 2017-01-11 | 广东欧珀移动通信有限公司 | Mobile terminal, cover plate component and manufacturing method of cover plate component |
| CN106503685A (en) * | 2016-10-31 | 2017-03-15 | 北京小米移动软件有限公司 | Protection film layer, display base plate and electronic equipment |
| WO2018126368A1 (en) * | 2017-01-05 | 2018-07-12 | 深圳市汇顶科技股份有限公司 | Touch control device and method for determining capacitive sensing amount of touch control device |
| CN107463204A (en) * | 2017-07-24 | 2017-12-12 | 维沃移动通信有限公司 | The preparation method of blind hole, cover plate and mobile terminal on a kind of cover plate |
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Address after: 330029 Nanchang Avenue, Nanchang high tech Zone, Nanchang, Jiangxi 1189 Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330029 Nanchang Avenue, Nanchang high tech Zone, Nanchang, Jiangxi 1189 Patentee before: OFilm Microelectronics Technology Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330029 Nanchang Avenue, Nanchang high tech Zone, Nanchang, Jiangxi 1189 Patentee after: OFilm Microelectronics Technology Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330029 Nanchang Avenue, Nanchang high tech Zone, Nanchang, Jiangxi 1189 Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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