CN204178377U - Fingerprint identification device and terminal device - Google Patents
Fingerprint identification device and terminal device Download PDFInfo
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- CN204178377U CN204178377U CN201420485257.6U CN201420485257U CN204178377U CN 204178377 U CN204178377 U CN 204178377U CN 201420485257 U CN201420485257 U CN 201420485257U CN 204178377 U CN204178377 U CN 204178377U
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Abstract
The utility model discloses a kind of fingerprint identification device and terminal device.This fingerprint identification device comprises: fingerprint recognition assembly, comprising: flexible circuit film and the sensor be formed on flexible circuit film and control chip, wherein said sensor and the electrical connection of described control chip; And protective seam, to be formed at least part of described fingerprint recognition assembly and to be positioned at above described sensor.
Description
Technical field
The utility model relates to field of biological recognition, particularly relates to a kind of fingerprint identification device and comprises its terminal device.
Background technology
In recent years, along with the development of memory technology, terminal device stores the capsule information such as a large amount of personal information as smart mobile phone, panel computer etc., and its security becomes even more important.Use the form such as password, figure to realize the cryptoguard to its terminal device at present more.
But for the cipher mode such as password, figure, user need remember password and/or the figure of setting; In addition, in public, also there is the danger that password is revealed.And in order to improve security, often need the complexity increasing password and figure, this further increases the difficulty of user's memory undoubtedly, cause safe and easy-to-use between conflict.
Fingerprint is made up of the rough lines of finger surface skin, is the unique feature of human body, and its complexity can be provided for the enough features identified.Namely fingerprint recognition is utilize the feature of fingerprint uniqueness and stability to realize identification, and remembers without the need to user.
Capacitance type fingerprint identification sensor forms conducting channel on base material substrate, and when pointing with sensor contacts, the different capacitances produced by the projection of fingerprint ridge and the depression of fingerprint paddy are detected and form fingerprint pattern.
But, along with fingerprint identification technology is used widely, encounter some problems, when mainly fingerprint identification device is applied in electronic equipment, to its size and requirement highly.Along with widely using of hand-held electronic equipment, the deviser of electronic equipment or slip-stick artist constantly pursue electronic equipment maximally integrated and ease for use on the one hand, reduce the size of the integrated package in electronic equipment on the other hand again and reduce its cost.Typically, these electronic equipments only contain I/O element necessary for Core Feature, such as screen and limited button.
Therefore, need to realize a kind of accessible site in the encapsulation of the fingerprint identification device of hand-held electronic equipment, to overcome the problems of the prior art.
Utility model content
In view of this, the utility model provides the fingerprint identification device of a kind of accessible site in terminal device and comprises its terminal device.
Additional aspect of the present utility model and advantage will partly be set forth in the following description, and partly will become obvious from description, or can the acquistion by practice of the present utility model.
The utility model on the one hand discloses a kind of fingerprint identification device, comprising: fingerprint recognition assembly, comprising: flexible circuit film and the sensor be formed on flexible circuit film and control chip, wherein said sensor and the electrical connection of described control chip; And protective seam, to be formed at least part of described fingerprint recognition assembly and to be positioned at above described sensor.
In an embodiment, described sensor and described control chip are arranged at the homonymy of described flexible circuit film discretely, and are connected with described flexible circuit thin-film electro respectively.
In another embodiment, described control chip is electrically connected on described flexible circuit film in a flip-chip manner.
In an embodiment again, described fingerprint identification device also comprises: support member, and it is wrapped up at least in part by described fingerprint recognition assembly.
In an embodiment again, described sensor and described control chip are arranged at the not homonymy of described support member respectively.
In an embodiment again, the center of described support member and the center of described sensor are in the same plane perpendicular to described support member top surface.
In an embodiment again, one end of described fingerprint recognition assembly fits in the part in a face of described support member.
In an embodiment again, described fingerprint recognition assembly wraps up four faces of described support member.
In an embodiment again, described fingerprint recognition assembly wraps up three faces of described support member.
In an embodiment again, described support member has groove, with accommodating described control chip.
In an embodiment again, described depth of groove is greater than the thickness of described control chip.
In an embodiment again, described fingerprint recognition assembly wraps up two faces of described support member.
In an embodiment again, described support member at least in part by bonding agent and described flexible circuit film adhered.
In an embodiment again, described bonding agent comprises PSA glue.
In an embodiment again, described fingerprint identification device also comprises: color layers, and it is coated on the top of described sensor, and between described protective seam and described fingerprint recognition assembly.
In an embodiment again, described color layers comprises ink layer.
In an embodiment again, described protective layer material comprises pottery, sapphire, quartz, UV glue, heat-curable glue or diamond like carbon.
In an embodiment again, described fingerprint identification device also comprises: flexible PCB; Wherein said flexible circuit film is electrically connected described flexible PCB by ACF glue.
In an embodiment again, described fingerprint identification device also comprises: at least one passive element, and it is formed on described flexible PCB.
In an embodiment again, described fingerprint identification device also comprises: base plate; Wherein said fingerprint recognition assembly is formed at described base plate.
In an embodiment again, described fingerprint identification device also comprises: base plate; Wherein wrapped up the described fingerprint recognition assembly after described support member to be formed on described base plate, and described sensor place plane is away from described base plate.
In an embodiment again, described base plate has a through hole, or the side of described base plate has a gap, so that a junction of described flexible circuit film is passed described base plate.
In an embodiment again, described base plate has groove, with accommodating described control chip.
The utility model discloses a kind of terminal device on the other hand, comprises any one fingerprint identification device above-mentioned.
In an embodiment, described terminal device also comprises pressure-active element, is arranged on the below of described fingerprint identification device.
The fingerprint identification device that the utility model embodiment provides, packaging technology is simple, has less structure, can meet the lightening demand of terminal device for its integrated package, and be easy to be arranged in terminal device, effectively improves and produces yield and efficiency.
Accompanying drawing explanation
Describe its example embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present utility model and advantage will become more obvious.
Figure 1A to Fig. 1 C is the explosive view of fingerprint identification device of the present utility model.
Fig. 2 A is the sectional view of the fingerprint recognition module of the utility model embodiment one.
Fig. 2 B is the connection diagram of fingerprint recognition module in the fingerprint identification device of the utility model embodiment and flexible PCB.
Fig. 3 A and Fig. 3 B is the sectional view of the fingerprint recognition module of the utility model embodiment two.
Fig. 3 C is support member in the utility model embodiment and the position relationship schematic diagram between sensor.
Fig. 4 is the sectional view of the fingerprint recognition module of the utility model embodiment three.
Fig. 5 is the sectional view of the fingerprint recognition module of the utility model embodiment four.
Fig. 6 is the explosive view of the terminal device of the utility model embodiment.
Embodiment
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, these embodiments are provided to make the utility model comprehensively with complete, and the design of example embodiment will be conveyed to those skilled in the art all sidedly.Reference numeral identical in the drawings represents same or similar structure.
Described feature or structure can be combined in one or more embodiment in any suitable manner.In the following description, provide many details thus provide fully understanding embodiment of the present utility model.But one of ordinary skill in the art would recognize that, what do not have in described specific detail is one or more, or adopts other structure, constituent element etc., also can put into practice the technical solution of the utility model.In other cases, be not shown specifically or describe known features or operate to avoid fuzzy the utility model.
Terminal device is configured to comprise usually: display screen, touch-screen, cover-plate glass, storage, SOC (system on a chip) (system on chip), CPU, GPU, internal memory, Wi-Fi connection, bluetooth connection, USB connection, battery, external power supply, computer-readable media and software etc.
In addition, the display screen of terminal device or terminal device can be configured to comprise a button for user interactions (such as machine open/close, volume adjustment etc.) or a kind of physical appearance (form factor).Button can be integrated in the shell of terminal device, also can be included in the screen of terminal device.The size of physical appearance can be less than or equal to 900mm
2, can 400mm be less than or equal to
2, can 225mm be less than or equal to
2, can 100mm be less than or equal to
2, can 75mm be less than or equal to
2, can 50mm be less than or equal to
2, can 25mm be less than or equal to
2, can 10mm be less than or equal to
2, or can 5mm be less than or equal to
2.In certain embodiments, the thickness of physical appearance is less than or equal to 2mm, is preferably less than or equal to 1.5mm, further, can also be less than or equal to 1mm.
Fingerprint identification device such as can comprise: fingerprint sensor, speed pickup and be electrically connected on the control circuit of fingerprint sensor and speed pickup.The electrode of fingerprint sensor and speed pickup is formed at the top surface of substrate by modes such as etchings.Protective seam is formed on fingerprint sensor and speed pickup, thinks that sensor provides electrical isolation and mechanical protection.Alternatively, the electrode of fingerprint sensor also can be formed at the basal surface of substrate, and wherein substrate as protective seam, and can form one deck hard conating (hard coating) further on the top surface of substrate.
In the screen that fingerprint identification device disclosed in the utility model is integrated in terminal device or shell, and be positioned on the screen of terminal device or the top surface of shell, during to make the top surface of finger contact terminal device of user, the distance of fingerprint sensor and finger is in 300 μm.In configuring at least in part, when fingerprint identification device can be configured to the top surface when the finger contact terminal device of user, fingerprint sensor wherein and the distance of finger in 200 μm, preferably in 150 μm, more preferably in 100 μm, what is more can in 50 μm.
In certain embodiments, an one chip can be provided to control at least one of them the function of display screen, touch-screen and fingerprint identification device.In addition, the top surface comprising the terminal device of fingerprint sensor in the utility model is smooth or roughly smooth.Display screen and fingerprint identification device are configured to integrate and have identical mode of operation, or are configured to the single component that terminal device comprises.
Fingerprint identification device of the present utility model such as can be applicable to the mobile terminal such as smart mobile phone, panel computer, also can be applicable to the terminal device of bank as ATM etc., but the utility model is not as limit.
Be the region that user provides for fingerprint recognition at the top surface of fingerprint identification device, user can draw by wiping on the area or finger is placed in this region, to read its fingerprint image.
Fingerprint identification device of the present utility model is a user interface housing of terminal device, such as, be a button in terminal device, be integrated in terminal device, such as smart mobile phone.Its size can design adaptively because of the difference of terminal device.Adaptive two-dimensional, such as square or rectangular can be 4mm × 1mm, 4mm × 4mm, 5mm × 15mm, 10mm × 10mm or 10mm × 15mm etc.Adaptive diameter, being such as circular or oval, can be 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm etc.The above-mentioned size enumerated is only example, and the utility model is not as limit.In addition, the size of fingerprint identification device is also that one dimension sensor or dimension sensor are relevant with sensor wherein.
The shape of fingerprint identification device can be any physical form, comprising: circle, ellipse, square, rectangle, trapezoidal, triangle etc., the utility model is not as limit.Smart mobile phone or panel computer use the substrate with high gloss as its cover plate usually.The material of these cover plates is generally glass, tempered glass, transparent plastic, sapphire, pottery or has the material of any high-gloss surface.In order to adapt in such terminal device, the top surface of the housing of fingerprint identification device also needs the surface with high gloss, to mate with the surface of surrounding.The material of the top surface of the housing of fingerprint identification device can be such as glass, plastics, pottery, resinous coat, Lan Bao etc.
In configuring at least partly, fingerprint identification device can obtain and the outward appearance of the housing effect same of terminal device and sense of touch.
In certain embodiments, the fingerprint sensor in fingerprint identification device of the present utility model can also with the touch sensor of terminal device (touch sensor) collaborative work.Same control chip is used to control touch sensor circuit and fingerprint sensor circuit.This difunctional controller can be integrated in fingerprint identification device, or is electrically connected with fingerprint identification device by flexible PCB.
Figure 1A is the explosive view of fingerprint identification device of the present utility model.As shown in Figure 1A, fingerprint identification device 1 comprises: fingerprint recognition module 10 and protective seam 40.
Wherein protective seam 40 is formed at the top of fingerprint recognition module 10, with to fingerprint recognition module 10, especially protects sensor 1002.Protective seam 40 is formed by spraying technology, printing technology or vacuum evaporation technology; its material such as comprises UV glue (ultraviolet light surface transparent adhesive tape), heat-curable glue or diamond like carbon (Diamond-like Carbon; DLC), wherein DLC adopts plated film mode to form protective seam.In certain embodiments, protective seam 40 can also be formed by the material of glass, pottery, sapphire, quartz or other durables, such as polymethylmethacrylate (PMMA), polyethylene terephthalate (PET) etc.Protective seam 40 is such as a hard conating (hard coating).In addition, protective seam 40 also can be directly the cover plate (such as glass or pottery etc.) of terminal device.
In certain embodiments, fingerprint identification device 1 also comprises color layers 30, is formed between fingerprint recognition module 10 and protective seam 40, invisible to ensure the fingerprint recognition module 10 couples of users under it, beautifies fingerprint identification device; There is the effect in addition synchronous with the housing outward appearance of terminal device, if the terminal device such as belonging to it is white, then fingerprint identification device 1 can be made to present white by color layers 30, if and the terminal device belonging to it is black, then fingerprint identification device 1 is made to present black by color layers 30.Color layers 30 is such as an ink layer, or the coating for being formed by deposition technique or being formed by other special techniques.Usually, color layers 30 can be shown as white, black etc., but the utility model is not as limit.In addition, at protective seam 40 or under protective seam 40 and color layers 30, can also comprise other layers, the utility model is not as limit.
In certain embodiments, fingerprint identification device 1 also comprises base plate 50.Wherein, fingerprint recognition module 10 fits on base plate 50, such as, bonded by pressure sensitive adhesive (Pressure-Sensitive Adhesive, PSA).
As shown in Figure 1A, fingerprint recognition module 10 comprises a junction E, for being electrically connected with a flexible PCB (FPC) by fingerprint recognition module 10.When encapsulating, as shown in Figure 1B, by the mode of Durchgangshohle on base plate 50, a through hole H can be formed, and this connecting portion E is passed from the bottom of base plate 50; Or, as shown in Figure 1 C, a fritter can also be cut away in the side of base plate 50, form a gap B, so that this connecting portion E is passed from the bottom of base plate 50.It should be noted that, in Figure 1B, in through hole H and Fig. 1 C, the position, size, shape etc. of gap B are only the use of signal, and are not used to limit the utility model.
Fig. 2 A is the sectional view of the fingerprint recognition module of the utility model embodiment one.It should be noted that the fingerprint recognition module 11 shown in Fig. 2 A is with the difference of the fingerprint recognition module 10 in Figure 1A, fingerprint recognition module 11 not in bending parcel shape, and is the structure extended at same plane.
As shown in Figure 2 A, fingerprint recognition module 11 comprises: fingerprint recognition assembly 100.Fingerprint recognition assembly 100 comprises: flexible circuit film 1000 and the sensor 1002 be formed on flexible circuit film 1000 and control chip 1004.
Flexible circuit film 1000 can be such as Kapton (Polyimide film, PI film), as shown in FIG., can be made up of two layers of polyimide resin (Polyimide resin, PI resin); Also can be one deck be PI base material, another layer be the protective seam resin of other materials, and the utility model is not as limit.
Sensor 1002 can be formed on flexible circuit film 1000.Comprise at least one sensing element, with the ridge of sensing user finger and paddy, thus the fingerprint of user is identified.Sensor 1002 can be individual layer (i.e. one dimension) structure can be also double-deck (i.e. two dimension) structure, and the utility model is not as limit.
Sensor 1002 in the utility model can draw formula sensor for the wiping of the distribution in strip type, and can be also the push type sensor of the distribution in array, the utility model be as limit.In addition, sensor 1002 can also sense the optics of the fingerprint of user with execution, infrared sensing or other combination of elements sense or work in combination, and these elements itself can be coupled to certain other features of fingerprint of the epidermis of user's finger, subcutaneous part that user points or expression user.
Control chip 1004 is such as electrically connected with flexible circuit film 1000 by flip-chip (flip chip) technology.By the face down of control chip 1004 towards flexible circuit film 1000, without the need to wire bonding, adopt the Metal Ball (such as tin ball) of some, make control chip 1004 on electrically and be mechanically connected to flexible circuit film 1000.Adopt flip chip technology (fct), because it is without the need to wire bonding, can the shortest circuit be formed, reduce resistance; In addition, by adopting Metal Ball to connect, reducing package dimension, improving electrical performance.
Control chip 1004 and the integral type encapsulating structure of sensor 1002 encapsulation in same chip, but be arranged at the homonymy of flexible circuit film 1000 independently of one another, discretely, and be electrically connected with flexible circuit film 1000 respectively.Control chip 1004 is electrically connected with sensor 1002 by flexible circuit film 1000, thus the Signal transmissions of sensor 1002 is processed in control chip 1004.
In certain embodiments, when fingerprint recognition assembly 100 fits on base plate 50, such as, bonded by pressure sensitive adhesive, a space can be dug out on the top surface of base plate 50, form a groove, with accommodating control chip 1004.
In addition, as shown in Figure 2 B, fingerprint identification device 1 also comprises: flexible PCB 60, and fingerprint recognition module 10 is engaged with flexible PCB 60 by the connecting portion E on flexible circuit film 1000.By the ACF that fits on connecting portion E (anisotropic conductive or anisotropic conducting rubber), then carry out crimping (bonding) with flexible PCB 60, to be electrically connected flexible circuit film 1000 and flexible PCB 60.
Fingerprint identification device 1 is electrically connected by flexible PCB 60 and external circuit (such as, the treatment circuit of smart mobile phone or panel computer etc.).
In addition, flexible PCB 60 also comprises at least one passive element 610, such as resistance or electric capacity etc.
Fig. 3 A is the decomposing schematic representation that in the fingerprint recognition module edge of the utility model embodiment two, A-A ' cuts open.It should be noted that, this figure is the decomposing schematic representation of fingerprint recognition modular structure, in order to more clearly illustrate the structure of fingerprint recognition module, directly do not connect between each assembly in figure, it can not be used for limiting the annexation between each assembly of fingerprint recognition module of the present utility model.Above-mentioned explanation is applicable to Fig. 3 B, Fig. 4 to Fig. 5 too.
As shown in Figure 3A, fingerprint recognition module 12 comprises: fingerprint recognition assembly 100 and support member 102.Fingerprint recognition assembly 100 comprises: flexible circuit film 1000 and the sensor 1002 be formed on flexible circuit film 1000 and control chip 1004.
Wherein flexible circuit film 1000, sensor 1002 and control chip 1004 explanation with in embodiment one to the explanation of flexible circuit film 1000 and sensor 102, do not repeat them here.
As shown in Figure 3A, support member 102 wrap up by fingerprint recognition assembly 100, and the flexible circuit film 1000 in fingerprint recognition assembly 100 has wrapped up four faces of support member 102.Flexible circuit film 1000 can wrap up support member 102 closedly, namely gap can not be stayed at interface in the two ends of flexible circuit film 1000, also can not wrap up support member 102 closedly, namely as shown in FIG., a gap is left at interface in the two ends of flexible circuit film 1000, and the utility model is not as limit.
Fig. 3 B is another schematic diagram of the parcel relation in embodiment one between flexible circuit film 1000 and support member 102.As shown in Figure 3 B, the two ends of flexible circuit film 1000 partly overlap at interface, and are positioned at the one side that support member 102 is partly wrapped up on inboard limit.
During making, first one end of flexible circuit film 1000 fits in the part in a face of support member 102, after wrapping up the adjacent surface in this face again, support member 102 and sensor 1002 are as shown in Figure 3 C, on a surface level, make the central symmetry axis A-A ' on the long limit of support member 102 through the center of sensor 102, after wrapping up support member 102 to make flexible circuit film 1000, the center on the long limit of support member 102 and the center of sensor 102 are in a plane perpendicular to support member 102 top surface; Being wrapped up completely by support member 102 of face one by one afterwards, makes its another end overlapping with first end.
Support member 102 can be rectangular parallelepiped, square etc., and the utility model is not as limit.
Engaged by bonding agent at least in part between flexible circuit film 1000 with support member 102, with fixing fingerprint recognition assembly 100 and support member 102.Such as, can be as shown in FIG., on surface level, only use bonding agent (as shown in black part in figure) to engage, any surface that also can contact with fingerprint recognition assembly 100 at support member 102 uses adhesive bond, and the utility model is not as limit.Bonding agent is such as pressure sensitive adhesive (PSA).
In order to accommodating control chip 1004, a part is dug up on a surface of support member 102, forms a groove, with accommodating control chip 1004.In certain embodiments, in order to avoid the phenomenon making control chip 1004 produce damage because of user's finger presses fingerprint identification device 1, the height diging up part on support member 102 can a little higher than control chip 1004, when making pressing, support member 102 can not touch control chip, thus avoids the destruction to control chip 1004.
Protective seam 40 is formed at least part of fingerprint recognition assembly 100, and is positioned at above sensor 1002.Color layers 30 is coated on sensor 1002, between protective seam 40 and flexible circuit film 1000.
Fig. 4 is the decomposing schematic representation that in the fingerprint recognition module edge of the utility model embodiment three, A-A ' cuts open.The difference of the fingerprint recognition module 12 of the fingerprint recognition module 13 of the embodiment three shown in Fig. 4 and the embodiment two shown in Fig. 3 A is: the flexible circuit film 1000 in fingerprint recognition module 13 and the parcel mode between support member 102.
As shown in Figure 4, the fingerprint recognition assembly 100 in fingerprint recognition module 13 has only wrapped up three faces of support member 102, thus simplifies the structure of fingerprint recognition module 13, saves the material of flexible circuit film 1000.
Content identical with embodiment two in embodiment three, will repeat no more at this.
Fig. 5 is the decomposing schematic representation that in the fingerprint recognition module edge of the utility model embodiment four, A-A ' cuts open.The difference of the fingerprint recognition module 12 of the fingerprint recognition module 14 of the embodiment four shown in Fig. 5 and the embodiment two shown in Fig. 3 A is: the fingerprint recognition assembly 100 in fingerprint recognition module 14 and the parcel mode between support member 102 ', and the shape of support member 102 '.
As shown in Figure 5, the fingerprint recognition assembly 100 in fingerprint recognition module 14 has only wrapped up two faces of support member 102 ', further simplify the structure of fingerprint recognition module 14, saves the material of flexible circuit film.
In embodiment four, because fingerprint recognition assembly 100 only wraps up two faces of support member 102 ', support member 102 ' does not need the control chip 1004 on accommodating flexible circuit film 1000, and therefore support member 102 ' can be such as a cube, and without the need to diging up a part on the bottom.
In addition, when fingerprint recognition module 14 is fitted in base plate 50 (not shown), such as flexible circuit film 1000 right side bending 90 degree in figure of control chip 1004 part can be formed with, on the top surface of base plate 50, one piece of corresponding region is dug up in relevant position again, form a groove, with accommodating control chip 1004.In addition, can also bore a hole on base plate 50, make control chip 1004 through after base plate 50, then bend 90 degree, and one piece of corresponding region be dug up in relevant position on the basal surface of base plate 50, forms a groove, accommodating control chip 1004.
Content identical with embodiment two in embodiment four, will repeat no more at this.
The thickness of the protective seam 40 in the fingerprint identification device 1 of the utility model embodiment is such as 0.015mm; the thickness of color layers 30 is such as 0.008mm; the thickness of the bonding agent between color layers 30 and fingerprint recognition module 10 is such as 0.01mm, and the thickness being formed with the flexible circuit film 1000 of sensor 1002 and control chip 1004 is such as 0.05mm.Therefore, the fingerprint identification device 1 of the utility model embodiment can provide very thin thickness, to meet terminal device to the lightening demand of its integrated package.Above-mentioned size is only for example, and unrestricted the utility model.
For embodiment two, the manufacture craft of the fingerprint identification device 1 of the utility model embodiment roughly comprises: first the flexible circuit film 1000 being formed with sensor 1002 and control chip 1004 being cut into single is carried out pressing with support member 102, its pressing order is followed successively by sensor 1002 pressing, control chip 1004 pressing and edge pressing, bonded by bonding agent at least in part between flexible circuit film 1000 and support member 102 when pressing, with fixing flexible circuit film 1000 and support member 102; Then, the flexible circuit film 1000 having wrapped up support member 102 is fitted on base plate 50, such as fitted by pressure sensitive adhesive (PSA), in addition need on base plate 50 by Durchgangshohle with form through hole (as shown in Figure 1B) or edge is cut away one fritter formed gap (as shown in Figure 1 C) mode, connecting portion E on flexible circuit film 1000 is passed base plate 50, to be electrically connected with flexible PCB 60; Afterwards, after base plate has been assembled, be cured (Base Post Cure); Sensor 1002 carries out tint (Color Coating), form color layers 30; After tinting, carry out baking-curing (Post Color Cure); Afterwards, upper UV glue, to form protective seam 40, and is cured process (UV Cure) again; After solidification, carry out the cleaning of electricity slurry, mainly for the cleaning at connecting portion E position, to pass through ACF glue bond flexible PCB 60; After the cleaning of electricity slurry, at the position of connecting portion E laminating ACF glue, and through ACF pressing (ACF bonding), flexible circuit film 1000 is electrically connected with flexible PCB 60, ACF particle in ACF glue can break when high-temperature laminating, and conduct, the position of not pressing then can not conduct; Finally, as needs, manual testing is carried out to fingerprint identification device.
In addition, manufacture craft can also be: first by sensor 1002 correspondence carry out with the induction region of finger contact tint, after upper UV glue, then to fit with support member 102; Afterwards, then fit with base plate 50, and connecting portion E is stretched out base plate 50; ACF is finally utilized to fit, connecting portion E and flexible PCB 60 to be electrically connected.
Or, can also be: first flexible circuit film 1000 and support member 102 are fitted; Afterwards, sensor 1002 correspondence carry out with the induction region of finger contact tint, on UV glue; Fit with base plate 50 again, and connecting portion E is stretched out base plate; ACF is finally utilized to fit, connecting portion E and flexible PCB 60 to be electrically connected.
Fig. 6 is the explosive view of the terminal device of the utility model embodiment.Fingerprint identification device 22 accessible site of the utility model embodiment is in the touch-screen or housing of terminal device 2 such as smart mobile phone, panel computer etc.Such as, can combine with the control knob of terminal device 2 or on-off element and use, also can be directly embedded in the cover-plate glass of terminal device 2 or housing and be used alone.In a word, according to the situation of terminal device 2, adaptive adjustment can be carried out, with user-friendly.When the control knob of fingerprint identification device 22 and terminal device 2 or on-off element combine use time, Fig. 6 is the explosive view of the terminal device of the utility model embodiment.Also need to be provided with pressure-active element 24 in the below of fingerprint identification device 22, to respond to the pressing operation of user when operating this control knob or on-off element.It should be noted that, the shape of the pressure-active element 24 shown in figure is only the use of signal explanation, and unrestricted the utility model.
The fingerprint identification device 1 that the utility model embodiment provides, packaging technology is simple, has less structure, can meet the lightening demand of terminal device for its integrated package, and be easy to be arranged in terminal device, effectively improves and produces yield and efficiency.
Below illustrative embodiments of the present utility model is illustrate and described particularly.Should be appreciated that, the utility model is not limited to disclosed embodiment, and on the contrary, the utility model intention contains the various amendment and equivalent replacement that comprise within the scope of the appended claims.
Claims (23)
1. a fingerprint identification device, is characterized in that, comprising:
Fingerprint recognition assembly, comprising: flexible circuit film and the sensor be formed on flexible circuit film and control chip, wherein said sensor and the electrical connection of described control chip; And,
Protective seam, to be formed at least part of described fingerprint recognition assembly and to be positioned at above described sensor.
2. fingerprint identification device according to claim 1, is characterized in that, described sensor and described control chip are arranged at the homonymy of described flexible circuit film discretely, and is connected with described flexible circuit thin-film electro respectively.
3. fingerprint identification device according to claim 2, is characterized in that, described control chip is electrically connected on described flexible circuit film in a flip-chip manner.
4. fingerprint identification device according to claim 2, is characterized in that, also comprises: support member, and it is wrapped up at least in part by described fingerprint recognition assembly.
5. fingerprint identification device according to claim 4, is characterized in that, described sensor and described control chip are arranged at the not homonymy of described support member respectively.
6. fingerprint identification device according to claim 4, is characterized in that, the center of described support member and the center of described sensor are in the same plane perpendicular to described support member top surface.
7. fingerprint identification device according to claim 4, is characterized in that, one end of described fingerprint recognition assembly fits in the part in a face of described support member.
8. fingerprint identification device according to claim 4, is characterized in that, described fingerprint recognition assembly wraps up four faces of described support member.
9. fingerprint identification device according to claim 4, is characterized in that, described fingerprint recognition assembly wraps up three faces of described support member.
10. fingerprint identification device according to claim 8 or claim 9, it is characterized in that, described support member has groove, with accommodating described control chip.
11. fingerprint identification devices according to claim 10, is characterized in that, described depth of groove is greater than the thickness of described control chip.
12. fingerprint identification devices according to claim 4, is characterized in that, described fingerprint recognition assembly wraps up two faces of described support member.
13. fingerprint identification devices according to claim 4, is characterized in that, described support member at least in part by bonding agent and described flexible circuit film adhered.
14. fingerprint identification devices according to any one of claim 1-4, it is characterized in that, also comprise: color layers, it is coated on the top of described sensor, and between described protective seam and described fingerprint recognition assembly.
15. fingerprint identification devices according to claim 14, is characterized in that, described color layers comprises ink layer.
16. fingerprint identification devices according to any one of claim 1-4, is characterized in that, also comprise: flexible PCB; Wherein said flexible circuit film is electrically connected described flexible PCB by ACF glue.
17. fingerprint identification devices according to claim 16, is characterized in that, also comprise: at least one passive element, and it is formed on described flexible PCB.
18. fingerprint identification devices according to claim 1, is characterized in that, also comprise: base plate; Wherein said fingerprint recognition assembly is formed at described base plate.
19. fingerprint identification devices according to claim 4, is characterized in that, also comprise: base plate; Wherein wrapped up the described fingerprint recognition assembly after described support member to be formed on described base plate, and described sensor place plane is away from described base plate.
20. fingerprint identification devices according to claim 18 or 19, it is characterized in that, described base plate has a through hole, or the side of described base plate has a gap, so that a junction of described flexible circuit film is passed described base plate.
21. fingerprint identification devices according to claim 18 or 19, it is characterized in that, described base plate has groove, with accommodating described control chip.
22. 1 kinds of terminal devices, is characterized in that, comprise the fingerprint identification device described in any one of claim 1-21.
23. terminal devices according to claim 22, is characterized in that, also comprise pressure-active element, are arranged on the below of described fingerprint identification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485257.6U CN204178377U (en) | 2014-08-26 | 2014-08-26 | Fingerprint identification device and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485257.6U CN204178377U (en) | 2014-08-26 | 2014-08-26 | Fingerprint identification device and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178377U true CN204178377U (en) | 2015-02-25 |
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| CN104217198A (en) * | 2014-08-26 | 2014-12-17 | 南昌欧菲生物识别技术有限公司 | Fingerprint identifying device and terminal apparatus |
| CN104751129A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104751134A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104751135A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104766048A (en) * | 2015-03-06 | 2015-07-08 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, manufacturing method thereof, touch screen and terminal device |
| CN104794427A (en) * | 2015-03-06 | 2015-07-22 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104794428A (en) * | 2015-03-06 | 2015-07-22 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104820820A (en) * | 2015-03-06 | 2015-08-05 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification apparatus touch control screen and terminal device |
| CN104834892A (en) * | 2015-03-06 | 2015-08-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104866814A (en) * | 2015-04-17 | 2015-08-26 | 麦克思股份有限公司 | Fingerprint identification device and manufacturing method thereof |
| CN106206471A (en) * | 2015-06-01 | 2016-12-07 | 立虹光电股份有限公司 | Combination layer structure and manufacture method thereof for touch-control integrated circuit modules |
| CN110892402A (en) * | 2019-09-19 | 2020-03-17 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device, terminal equipment and manufacturing method of fingerprint identification device |
| CN112292559A (en) * | 2018-06-21 | 2021-01-29 | 昕诺飞控股有限公司 | Lighting module |
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| CN104217198A (en) * | 2014-08-26 | 2014-12-17 | 南昌欧菲生物识别技术有限公司 | Fingerprint identifying device and terminal apparatus |
| CN104834892A (en) * | 2015-03-06 | 2015-08-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104751135A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104794427B (en) * | 2015-03-06 | 2019-03-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and terminal device |
| CN104766048B (en) * | 2015-03-06 | 2019-02-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device and its manufacturing method, touch screen, terminal device |
| CN104794427A (en) * | 2015-03-06 | 2015-07-22 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104794428A (en) * | 2015-03-06 | 2015-07-22 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, touch screen and terminal equipment |
| CN104820820A (en) * | 2015-03-06 | 2015-08-05 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification apparatus touch control screen and terminal device |
| CN104751129A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104794428B (en) * | 2015-03-06 | 2019-03-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and terminal device |
| CN104751134A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104766048A (en) * | 2015-03-06 | 2015-07-08 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition device, manufacturing method thereof, touch screen and terminal device |
| CN104834892B (en) * | 2015-03-06 | 2019-03-12 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and terminal device |
| CN104866814B (en) * | 2015-04-17 | 2019-09-13 | 业成科技（成都）有限公司 | Fingerprint identification device and its manufacturing method |
| CN104866814A (en) * | 2015-04-17 | 2015-08-26 | 麦克思股份有限公司 | Fingerprint identification device and manufacturing method thereof |
| CN106206471A (en) * | 2015-06-01 | 2016-12-07 | 立虹光电股份有限公司 | Combination layer structure and manufacture method thereof for touch-control integrated circuit modules |
| CN112292559B (en) * | 2018-06-21 | 2024-03-08 | 昕诺飞控股有限公司 | Lighting module |
| CN112292559A (en) * | 2018-06-21 | 2021-01-29 | 昕诺飞控股有限公司 | Lighting module |
| CN110892402A (en) * | 2019-09-19 | 2020-03-17 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device, terminal equipment and manufacturing method of fingerprint identification device |
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Address after: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi 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 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi 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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Effective date of registration: 20210803 Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi 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. |
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