CN106161681A - Mobile terminal - Google Patents
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- CN106161681A CN106161681A CN201510153144.5A CN201510153144A CN106161681A CN 106161681 A CN106161681 A CN 106161681A CN 201510153144 A CN201510153144 A CN 201510153144A CN 106161681 A CN106161681 A CN 106161681A
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- front shroud
- groove
- imaging module
- fingerprint imaging
- mobile terminal
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Abstract
A kind of mobile terminal, comprising: front shroud, described front shroud has button area；The mesochite be arrangeding in parallel with described front shroud；The button area of described front shroud is provided with groove towards the side of described mesochite；Described mesochite is provided with fingerprint imaging module towards the side of described front shroud, and described fingerprint imaging module has projection towards the surface of described front shroud, and described projection is positioned at described groove；It is provided with sticky object, for closing the space between described front shroud and described fingerprint imaging module between described front shroud and described fingerprint imaging module.The present invention exposes fingerprint imaging module without opening hole on front shroud so that mobile phone front shroud surfacing, without sink structures, and can aesthetic appeal, lifting user experience.
Description
Technical field
The present invention relates to fingerprint identification technology field, be specifically related to a kind of mobile terminal.
Background technology
Fingerprint imaging identification technology, is the fingerprint image being collected human body by detecting element, then be
Existing fingerprint imaging information in system is compared, and whether carrys out correct judgment, and then realizes identification
Technology.The convenience using due to it, and the uniqueness of somatic fingerprint, fingerprint identification technology is big
Amount is applied to every field.The such as field of safety check such as public security bureau, customs, the gate control system of building, and
Consumer product area such as PC and mobile phone etc..
Fig. 1-3 shows a kind of mobile phone with fingerprint identification function, is wherein integrated with employing fingerprint recognition skill
The fingerprint imaging module of art, in order to identify the identity of operator.
Specifically, with reference to Fig. 1-3, this mobile phone 10 includes that the 14th, front shroud the 11st, back cover is located at front shroud 11
And the mesochite 13 between back cover 14, it is provided with display module 15 and fingerprint between front shroud 11 and mesochite 13
Imaging modules 12, is provided with PCB main board 16, fingerprint imaging module 12 He between mesochite 13 and back cover 14
Electrical connection and data transmission is realized by PCB main board 16 between display module 15；Front shroud 11 and fingerprint
The corresponding position of imaging modules 12 is provided with through hole 17, and through hole 17 exposes fingerprint imaging module 12.
With reference to Fig. 2 and combine shown in Fig. 3, fingerprint imaging module 12 include optical surface array sensor 125 with
And the FPC 123 (Flexible Printed Circuit is called for short FPC) electrically connecting with PCB main board 16,
Optical surface array sensor 125 is used for gathering fingerprint image；It is coated with protection on optical surface array sensor 125
Cover plate 120, is used for protecting optical surface array sensor 125；When fingerprint imaging module 12 is assemblied in mobile phone 10
When upper, optical surface array sensor 125 is positioned between front shroud 11 and mesochite 13, cover sheet 120
It in the through hole 17 of front shroud 11, and is exposed to outside.
During user operation, finger contact protection cover plate 120, the LED127 in fingerprint imaging module 12 sends out
The light source going out reaches finger watch after light guide plate the 122nd, optical surface array sensor 125 and cover sheet 120
It is reflected back after Ceng, again pass by optical surface array sensor 125, and pass through IC (Integrated Circuit
Integrated circuit) chip 126 obtains the fingerprint image of finger, and is transferred to fingerprint imaging information after processing
Display module 15.
Wherein, fingerprint imaging module 12 can be assembled to after being wrapped up by upper containment vessel 121 and lower containment vessel 124
In through hole 17 on mobile phone 10 front shroud 11, through hole 17 exposes upper containment vessel 121 and cover sheet 120,
But there is certain build-up tolerance between the outer surface of the upper surface of cover sheet 120 and front shroud 11, make
Obtain the outer surface out-of-flatness of front shroud 11 on mobile phone 10, cause aesthetics and the customer experience of cell phone appearance
Decline.
Content of the invention
The problem that the present invention solves is, the outer surface of the fingerprint imaging module of existing mobile phone and mobile phone front shroud
Outer surface between there is difference in height so that the outer surface out-of-flatness of front shroud on mobile phone, cause outside mobile phone
The aesthetics seen and the decline of customer experience；And between front shroud and fingerprint imaging module, there is air, empty
Gas affects fingerprint imaging effect.
For solving the problems referred to above, the present invention provides a kind of mobile terminal, comprising:
Front shroud, described front shroud has button area；
The mesochite be arrangeding in parallel with described front shroud；
The button area of described front shroud is provided with groove towards the side of described mesochite；
Described mesochite is provided with fingerprint imaging module, described fingerprint imaging module towards the side of described front shroud
Having projection towards the surface of described front shroud, described projection is positioned at described groove；
It is provided with sticky object between described front shroud and described fingerprint imaging module, be used for closing described front shroud
And the space between described fingerprint imaging module.
Optionally, described sticky object be glass dust, UV glue, AB glue, in optical cement any one or
Several.
Optionally, the sidewall of described groove and the intersection of the bottom surface of groove are provided with fillet or chamfering.
Optionally, the thickness of described bottom portion of groove is not more than 0.5mm.
Optionally, described projection includes:
Cover sheet, described cover sheet is positioned at described groove；And
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module, described IC chip position
In described groove；
Described cover sheet be positioned at described groove and described fingerprint imaging module optical surface array sensor it
Between.
Optionally, described projection includes:
Cover sheet；And
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module；
Along the length direction of described front shroud, described groove includes the first groove and the second groove；
Described first groove relative to described second groove closer to the outer surface of described front shroud；
The degree of depth of described first groove is more than the degree of depth of described second groove；
Described cover sheet is positioned at described first groove；
Described IC chip is positioned at described second groove.
Optionally, described projection includes:
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module, described IC chip position
In described groove；
It is provided with described sticky object between described optical surface array sensor and described front shroud.
Optionally, described front shroud also has viewing area, and described mesochite sets towards the side of described front shroud
Having display module, described display module is relative with described viewing area.
Optionally, the side of described mesochite described front shroud dorsad is provided with PCB main board；
Described fingerprint imaging module is connected with described PCB main board by the first FPC；
Described display module is connected with described PCB main board by the second FPC.
Optionally, described mobile terminal is mobile phone or panel computer.
Compared with prior art, technical scheme has the advantage that
The button area of mobile terminal front shroud is provided with groove towards the side of mesochite, at mesochite towards front shroud
Side be provided with fingerprint imaging module, fingerprint imaging module has protuberance towards the surface of described front shroud
Point, projection is positioned at groove, it is not necessary to opens hole on front shroud and exposes fingerprint imaging module so that
Mobile phone front shroud surfacing, without sink structures, can aesthetic appeal, lifting user experience；Meanwhile,
It is additionally provided with sticky object between front shroud and fingerprint imaging module, be used for closing front shroud and fingerprint imaging mould
Space between group, reduces the loss of light, improves image quality.
Brief description
Fig. 1 is the structural representation of prior art mobile terminal；
Fig. 2 is Fig. 1 along the profile in A-A direction；
Fig. 3 is the structural representation of fingerprint imaging modules in Fig. 2, illustrated therein is fingerprint imaging module
Cross-section structure；
Fig. 4 is the structural representation of mobile terminal of the present invention；
Fig. 5 is the profile of the first embodiment along B-B direction for the Fig. 4；
Fig. 6 is fingerprint imaging modules and the enlarged drawing of front shroud assembling in Fig. 5, illustrated therein is fingerprint
Cross-section structure as module；
Fig. 7 is the structural representation of fingerprint imaging modules in first embodiment of the invention mobile terminal, wherein
Show the cross-section structure of fingerprint imaging module；
Fig. 8 is the structural representation that first embodiment of the invention finger is put on mobile terminal；
Fig. 9 is Fig. 4 along the profile of second embodiment in B-B direction；
Figure 10 is the enlarged drawing irising out part E in Fig. 9.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
The specific embodiment of the present invention is described in detail.
First embodiment
The present invention provides the mobile terminal of a kind of system with fingerprint, and mobile terminal can be mobile phone or flat
Plate computer or other mobile terminals, the mobile terminal in the present embodiment is mobile phone.
With reference to Fig. 4, Fig. 5 and Fig. 6, mobile terminal 100 includes: front shroud the 110th, mesochite 140 and after
Cover plate 150；Front shroud the 110th, mesochite 140 and back shroud 150 are parallel to each other；Front shroud the 110th, mesochite
140 and the outline of back shroud 150 substantially in quadrangle, mesochite 140 is positioned at front shroud 110 and back shroud
Between 150.
With reference to Fig. 4 and Fig. 5, front shroud 110 has viewing area C and button area D, and mesochite 140 is towards front
The side of cover plate 110 is provided with display module 160, and display module 160 is relative with viewing area C；Front shroud
The button area D of 100 is provided with groove towards the side of mesochite 140, at mesochite 140 towards front shroud 110
Side be provided with fingerprint imaging module 130, described fingerprint imaging module 130 is towards the surface of front shroud 110
Having projection, described projection is positioned at described groove；In prior art, with reference to Fig. 2, front
Opening hole on cover plate 11, through hole exposes fingerprint imaging module 12；The outer surface of fingerprint imaging module 12 with
There is difference in height so that the outer surface out-of-flatness of front shroud on mobile phone between the outer surface of mobile phone front shroud 11,
Cause the aesthetics of cell phone appearance and the decline of customer experience；And the embodiment of the present invention is without at front shroud 110
On open hole to expose fingerprint imaging module so that mobile phone front shroud surfacing, without sink structures, energy
Enough aesthetic appeal, lifting user experience.
The implementation of fingerprint imaging technique has the multiple technologies such as optical imagery, capacitance imaging, ultrasonic imaging,
According to the difference of imaging implementation, detecting element can for optical pickocff, capacitance type sensor or
Sonac etc..The present embodiment is as a example by optical imagery, but is not limited to optical imagery, corresponding detection
Element is optical pickocff.
With reference to Fig. 7, fingerprint imaging module 130 includes: be located at the protection cap on optical surface array sensor 135
Plate 133, cover sheet 133 plays the effect of protection optical surface array sensor 135, cover sheet 133 material
Matter does not limits, and can be glass cover-plate or sapphire cover plate or acrylic cover plate or fibre optic plate, this enforcement
Example preferred fiber plate；Cover sheet 133 passes through UV glue or double faced adhesive tape or AB glue or optics is gluing
It is attached on optical surface array sensor 135, the preferred optical cement of the present embodiment；Light guide plate 136, light guide plate 136
It is provided with LED holding tank, LED139 is installed in LED holding tank；On optical surface array sensor 135
It is provided with IC (the Integrated Circuit integrated circuit) chip 138 for processing the signal of telecommunication, IC chip 138
Adhering on optical surface array sensor 135 by conducting resinl, optical surface array sensor 135 passes through snap fit 136a
It is arranged in light guide plate 136, between optical surface array sensor 135 and light guide plate 136, pass through snap fit
Connect more stable.
In the present embodiment, optical surface array sensor 135 is provided with cover sheet 133 and IC chip 138,
Cover sheet 133 and IC chip 138 is for being located at fingerprint imaging module 130 towards front shroud 110 surface
Projection；Therefore, with reference to Fig. 6, along the length direction of front shroud 110, groove includes the first groove
131 and second groove 132；First groove 131 relative to the second groove 132 closer to front shroud 110
Outer surface；Wherein, the degree of depth of the first groove 131 is more than the degree of depth of the second groove 132；So, optics
Cover sheet 133 on area array sensor 135 is located in the first groove 131, optical surface array sensor 135
On IC chip 138 be positioned at the second groove 132；In order to improve the first groove 131 and the second groove 132
Intensity, fillet can be provided with at the first groove 131 and the sidewall of the second groove 132 and the intersection of bottom surface
Or chamfering；Or, the sidewall of the first groove 131 and the second groove 132 angle certain with inclined bottom surface；
Prevent stress to concentrate, improve the intensity of the first groove 131 and the second groove 132.
The present embodiment, is held by offering the first groove 131 at front shroud 110 towards the side of mesochite 140
Cover sheet the 133rd, the second groove 132 of receiving accommodates IC chip 138；Avoid perforate on front shroud to come
Accommodate fingerprint imaging module so that front shroud 110 surfacing of mobile terminal 100, without sink structures,
Can aesthetic appeal, lifting user experience.
Meanwhile, so that the button area D with the mobile terminal 100 of fingerprint identification function seems attractive in appearance,
Color layers (not shown) can be coated on the surface of front shroud 110 object fingerprint imaging modules 130, or
Coat color layers (not shown) on the surface towards front shroud 110 of cover sheet 133, or protecting
Color layers (not shown) is coated on the surface of protecting cover plate 133 front shroud 110 dorsad.
Additionally, the distance between finger and optical surface array sensor 135 is bigger, imaging effect is poorer；Cause
This, is in order to ensure image quality, with reference to Fig. 6, the front shroud 110 on the present embodiment mobile terminal 100
Thickness d is generally no greater than 0.5mm, and wherein, thickness d is the front shroud 110 relative with the first groove 131
Thickness, namely the thickness bottom the first groove 131.
Simultaneously as cover sheet 133 is located in the first groove 131, at assembling fingerprint imaging module
When 130, between the first groove 131 on cover sheet 133 and front shroud 110, there is gap, in gap
Leave air, and the refractive index of air is probably about 1, mobile phone front shroud 110 to be much smaller than and protection
The refractive index 1.55 of cover plate 133；So have more reflection light on the interface of front shroud 110 and air,
Thus reduce the light quantity reaching optical surface array sensor 135, reduce the quality gathering fingerprint image；
Therefore, can be provided with between cover sheet 133 on fingerprint imaging module 130 and the first groove 131 viscous
Connect thing 134, for closing the space between the first groove 131 and cover sheet 133；Sticky object 134 is
Glass dust, UV glue (Ultraviolet Rays, ultraviolet cured adhesive), AB glue (two component adhesive),
Any one in optical cement, or also can be several combinations；The preferred optical cement of the present embodiment, by
In the refractive index close of the refractive index of optical cement and front shroud 110 and cover sheet 133, about 1.55
Left and right, reduces the reflection loss of light, thus adds the refraction light reaching optical surface array sensor 135
Light quantity；Ensure that fingerprint imaging quality.
With continued reference to Fig. 7 and combine shown in Fig. 5, optical surface array sensor 135 passes through conducting resinl and first
FPC137 connects, and a PFC137 is connected with PCB main board 170 again；First FPC137 and optical surface
Array sensor 135 is bent to the side of light guide plate 136 optical surface array sensor 135 dorsad after connecting, the
Parcel LED holding tank after one FPC137 bending；After first FPC137 bending, on the one hand save finger
The inside arrangement space of line imaging modules；On the other hand, a FPC137 is bent to light guide plate 136 dorsad
One rear flank of optical surface array sensor 135, can spray one layer of ink on a FPC137, sprays ink
After a FPC137 can reflection side light source is launched to a certain extent light on light guide plate 136,
Improve the utilization ratio of light.
Display module 160 in the present embodiment passes through the 2nd FPC (not shown) and PCB main board 170
Connect；Reference Fig. 8 simultaneously combines shown in Fig. 4, and during user operation, finger 180 is positioned over mobile terminal 100
Button area D front shroud 110 on, the emergent light that the LED139 in fingerprint imaging module 130 sends
Source (in Fig. 8 shown in solid arrow) is through light guide plate the 136th, optical surface array sensor the 135th, optical cement 190
(being positioned between cover sheet 133 and optical surface array sensor 135) and cover sheet 133 and optical cement
190 (being positioned between front shroud 110 and cover sheet 133) are reflected back after reaching finger top layer afterwards,
Forming reflection source (in Fig. 8 shown in dotted arrow), reflection source again passes by front shroud the 110th, optics
Glue the 190th, cover sheet the 133rd, optical cement the 190th, optical surface array sensor 135, and pass through IC (Integrated
Circuit integrated circuit) chip 138 obtains the fingerprint image of finger after processing, and by fingerprint imaging information
It is transferred to show module 160, complete fingerprint recognition.In other embodiments, fingerprint imaging module 130 with
Also wireless telecommunications can be used to connect between display module 160.
In the present embodiment, the first groove and the second groove are stepped, in other embodiments, and the first groove
Can be interconnected with the second groove, i.e. cover sheet 133 and IC chip 138 shares a groove, all
It is positioned at same groove.
Second embodiment
Describing in first embodiment, the optical surface array sensor 135 of fingerprint imaging module 130 is provided with
Projection: cover sheet 133 and IC chip 138, the effect of cover sheet 133 is protection optical surface
Array sensor 135, cover sheet 133 is positioned at the first groove 131, and it is recessed that IC chip 138 is positioned at second
In groove 132.
The present embodiment is with the difference of first embodiment, with reference to Fig. 9 and Figure 10, the fingerprint of the present embodiment
Imaging modules 130 is provided with projection towards the surface of front shroud 110, and projection is for being located at optical surface
IC chip 138 on array sensor 135, i.e. the projection in the present embodiment does not include cover sheet,
Thus, front shroud 110 is alternately provided with only the second groove 132, the second groove 132 towards the side of mesochite 140
Accommodate IC chip 138, it is not necessary to set the first groove 131 again；Also protection light can be played by front shroud 110
Learn the effect of area array sensor 135.Equally, in order to prevent between front shroud 110 and fingerprint imaging module
There is air, in order to ensure fingerprint imaging quality, light on front shroud 110 with fingerprint imaging module for the meeting
Learn and be provided with sticky object 134 between area array sensor 135.
When finger is positioned on front shroud 110, in fingerprint imaging module, the outgoing light source of LED emission depends on
Secondary entered to reach finger top layer after light guide plate the 136th, optical surface array sensor the 135th, front shroud 110 and reflected
Going back, forming reflection source, reflection source entered front shroud the 110th, optical surface array sensor 135 again；
And at by IC (the Integrated Circuit integrated circuit) chip 138 on optical surface array sensor 135
Obtain the fingerprint image of finger after reason, and fingerprint imaging information is transferred to show module, complete equally to refer to
Line identification.
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore the guarantor of the present invention
The scope of protecting should be as the criterion with claim limited range.
Claims (10)
1. a mobile terminal, it is characterised in that include:
Front shroud, described front shroud has button area；
The mesochite be arrangeding in parallel with described front shroud；
The button area of described front shroud is provided with groove towards the side of described mesochite；
Described mesochite is provided with fingerprint imaging module, described fingerprint imaging module towards the side of described front shroud
Having projection towards the surface of described front shroud, described projection is positioned at described groove；
It is provided with sticky object between described front shroud and described fingerprint imaging module, be used for closing described front shroud
And the space between described fingerprint imaging module.
2. mobile terminal as claimed in claim 1, it is characterised in that described sticky object is glass dust, UV
Any one or a few in glue, AB glue, optical cement.
3. mobile terminal as claimed in claim 1, it is characterised in that
The sidewall of described groove is provided with fillet or chamfering with the intersection of the bottom surface of groove.
4. mobile terminal as claimed in claim 1, it is characterised in that
The thickness of described bottom portion of groove is not more than 0.5mm.
5. mobile terminal as claimed in claim 1, it is characterised in that described projection includes:
Cover sheet, described cover sheet is positioned at described groove；And
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module, described IC chip position
In described groove；
Described cover sheet be positioned at described groove and described fingerprint imaging module optical surface array sensor it
Between.
6. mobile terminal as claimed in claim 1, it is characterised in that described projection includes:
Cover sheet；And
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module；
Along the length direction of described front shroud, described groove includes the first groove and the second groove；
Described first groove relative to described second groove closer to the outer surface of described front shroud；
The degree of depth of described first groove is more than the degree of depth of described second groove；
Described cover sheet is positioned at described first groove；
Described IC chip is positioned at described second groove.
7. mobile terminal as claimed in claim 1, it is characterised in that described projection includes:
It is located at the IC chip on the optical surface array sensor of described fingerprint imaging module, described IC chip position
In described groove；
It is provided with described sticky object between described optical surface array sensor and described front shroud.
8. mobile terminal as claimed in claim 1, it is characterised in that
Described front shroud also has viewing area, and described mesochite is provided with display mould towards the side of described front shroud
Group, described display module is relative with described viewing area.
9. mobile terminal as claimed in claim 8, it is characterised in that
The side of described mesochite described front shroud dorsad is provided with PCB main board；
Described fingerprint imaging module is connected with described PCB main board by the first FPC；
Described display module is connected with described PCB main board by the second FPC.
10. mobile terminal as claimed in claim 1, it is characterised in that described mobile terminal is mobile phone or flat board
Computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153144.5A CN106161681A (en) | 2015-04-01 | 2015-04-01 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153144.5A CN106161681A (en) | 2015-04-01 | 2015-04-01 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106161681A true CN106161681A (en) | 2016-11-23 |
Family
ID=57337437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153144.5A Pending CN106161681A (en) | 2015-04-01 | 2015-04-01 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106161681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705716A (en) * | 2017-10-27 | 2018-02-16 | 京东方科技集团股份有限公司 | A kind of OLED modules and display device |
| CN108537090A (en) * | 2017-03-01 | 2018-09-14 | 上海箩箕技术有限公司 | Fingerprint imaging module and electronic equipment |
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| US20150036065A1 (en) * | 2013-08-05 | 2015-02-05 | Apple Inc. | Fingerprint Sensor in an Electronic Device |
| CN104463133A (en) * | 2014-12-18 | 2015-03-25 | 蓝思科技（长沙）有限公司 | Whole plane type protection device for fingerprint identification and manufacturing method thereof |
| CN204442455U (en) * | 2015-04-01 | 2015-07-01 | 上海箩箕技术有限公司 | Mobile terminal |
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| US20150036065A1 (en) * | 2013-08-05 | 2015-02-05 | Apple Inc. | Fingerprint Sensor in an Electronic Device |
| CN104156105A (en) * | 2014-07-18 | 2014-11-19 | 赣州市德普特科技有限公司 | Fingerprint-recognition touch screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108537090A (en) * | 2017-03-01 | 2018-09-14 | 上海箩箕技术有限公司 | Fingerprint imaging module and electronic equipment |
| CN107705716A (en) * | 2017-10-27 | 2018-02-16 | 京东方科技集团股份有限公司 | A kind of OLED modules and display device |
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Application publication date: 20161123 |
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