CN208460037U - A kind of fingerprint mould group with instruction function - Google Patents
A kind of fingerprint mould group with instruction function Download PDFInfo
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- CN208460037U CN208460037U CN201821242374.4U CN201821242374U CN208460037U CN 208460037 U CN208460037 U CN 208460037U CN 201821242374 U CN201821242374 U CN 201821242374U CN 208460037 U CN208460037 U CN 208460037U
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- circuit
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- fingerprint
- mould group
- fingerprint sensor
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Abstract
The utility model relates to a kind of fingerprint mould groups with instruction function, including flexible circuit board, the even ring of light, bracket and outer cover；The flexible circuit board includes three fingerprint sensor circuit, circuit of light sources and matching identification circuit parts；Fingerprint sensor circuit is equipped with fingerprint sensor, and circuit of light sources is equipped with light source；The fingerprint sensor circuit is bonded with the circuit of light sources back side, and is integrally embedded in the even ring of light, and fingerprint sensor is with light source direction on the contrary, the light source is opposite with matching identification circuit；The bracket is assemblied in the light source periphery, is transparent or semitransparent light-transmitting materials with the even ring of light.The beneficial effects of the utility model are: the fingerprint mould group is by being stacked fingerprint sensor, light source, matching identification circuit in longitudinal space, substantially reduce the horizontal area of fingerprint mould group, simultaneously integral thickness can be adjusted by controlling the thickness of steel plate, the Miniaturization Design of the fingerprint mould group of tool instruction function is veritably realized, application range is more extensive.
Description
Technical field
The utility model relates to fingerprint identification technology fields, and more specifically, it is related to a kind of fingerprint with instruction function
Mould group.
Background technique
With the reduction of the maturation, cost of technology, the application of semiconductor fingerprint module is increasingly becoming mainstream, relative to optics
Fingerprint module, based on semiconductor fingerprint module advantage small in size, people are constantly trying to itself and different low volume applications rings
Fingerprint identification module is applied on door handle commonplace by the combination in border.On the other hand, occur on the market more and more
Semiconductor fingerprint module with instruction function, is generally used the scheme of controller design seperated with sensor and light source, in this way
So that fingerprint module inner components are numerous, it is more difficult to it realizes Miniaturization Design, meet the needs of being used on door handle, while this
The scheme of sample causes fingerprint module assemble flow complicated.
Utility model content
The purpose of the utility model is to overcome the prior art deficiency, provide a kind of structure it is more reasonable have indicated work
The fingerprint mould group of energy.
Fingerprint mould group with instruction function, including flexible circuit board, the even ring of light, bracket and outer cover；
The flexible circuit board includes three fingerprint sensor circuit, circuit of light sources and matching identification circuit parts；Fingerprint
Sensor circuit is equipped with fingerprint sensor, and circuit of light sources is equipped with light source；
The fingerprint sensor circuit is bonded with the circuit of light sources back side, and is integrally embedded in the even ring of light, fingerprint sensing
Device is with light source direction on the contrary, the light source is opposite with matching identification circuit；
The bracket is assemblied in the light source periphery, is transparent or semitransparent light-transmitting materials with the even ring of light；The bracket
Between the circuit of light sources and matching identification circuit, an even optical cavity is formed with circuit of light sources and matching identification circuit.
As preferred: the even ring of light is nested in outer cover.
As preferred: the outer cover bottom surface is bonded with matching identification circuit surface, forms a closed cavity, the flexibility
All components of circuit board are respectively positioned in the closed cavity.
As preferred: the outer cover is metal or opaque-plastic material.
As preferred: all components of flexible circuit board are distributed in the flexible circuit board the same side.
As preferred: the fingerprint sensor circuit, circuit of light sources and the matching identification circuit back side are respectively provided with steel plate.
As preferred: white silk-screen is arranged in the matching identification circuit surface.
As preferred: the bracket is open loop or closed loop configuration.
As preferred: the fingerprint mould group with instruction function further includes glass cover-plate, and the glass cover-plate is covered on fingerprint
Sensor and even ring of light surface.
The beneficial effects of the utility model are: the fingerprint mould group is by by fingerprint sensor, light source, matching identification circuit layer
Folded setting substantially reduces the horizontal area of fingerprint mould group in longitudinal space, while can be adjusted by controlling the thickness of steel plate
Whole body thickness veritably realizes the Miniaturization Design of the fingerprint mould group of tool instruction function, keeps its application range more extensive.
In addition to this, since light source is contrary with fingerprint sensor, and it is provided with the biggish even smooth space of facing light sources itself, so that
The light being finally emitted is more uniform, soft.
Detailed description of the invention
Fig. 1 is the fingerprint mould group schematic diagram of an embodiment of the present invention；
Fig. 2 is the outer cover schematic diagram of an embodiment of the present invention；
Fig. 3 is the even ring of light schematic diagram of an embodiment of the present invention；
Fig. 4 is the flexible circuit board schematic diagram of an embodiment of the present invention；
Fig. 5 is the support schematic diagram of an embodiment of the present invention；
Fig. 6 is the cross-sectional view of the fingerprint mould group of an embodiment of the present invention；
Fig. 7 is the index path of the fingerprint mould group of an embodiment of the present invention；
Fig. 8 is the fingerprint mould group schematic diagram of another embodiment of the utility model；
Fig. 9 is the cross-sectional view of the fingerprint mould group of another embodiment of the utility model；
Figure 10 is the index path of the fingerprint mould group of another embodiment of the utility model；
Figure 11 is fingerprint sensor circuit schematic diagram；
Figure 12 is circuit of light sources schematic diagram；
Figure 13 is the winding displacement schematic diagram between fingerprint sensor circuit and circuit of light sources；
Figure 14 is matching identification circuit diagram；
Figure 15 is the winding displacement schematic diagram of circuit of light sources and matching identification circuit；
Description of symbols: 1- outer cover, 11- outer cover window, the even ring of light of 2-, the even halo window of 21-, 3- flexible circuit board,
31- fingerprint sensor circuit, 311- fingerprint sensor, 32- circuit of light sources, 321- light source, 33- matching identification circuit, 4- bracket,
41- bracket lip edge, 5- steel plate, 6- glass cover-plate.
Specific embodiment
The utility model is described further below with reference to embodiment.The explanation of following embodiments is only intended to help to manage
Solve the utility model.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of protection of the claims.
Referring to figs. 1 to Fig. 6, an embodiment of the present invention fingerprint mould group includes outer cover 1, the even ring of light 2, flexible circuit board 3
And bracket 4, wherein outer cover 1 is metal material, and the even ring of light 2 and bracket 4 are translucent plastic material.Flexible electrical in the present embodiment
Road plate 3 divides for 33 3 fingerprint sensor circuit 31, circuit of light sources 32 and matching identification circuit parts, by winding displacement between each section
Connection, bent, all components are distributed in the circuit board the same side.Fingerprint sensor circuit 31, circuit of light sources 32 and ratio
Steel plate 5 is respectively provided with to 33 back side of identification circuit.31 surface of fingerprint sensor circuit is centrally located fingerprint sensor 311, light source electricity
32 surface of road is centrally located light source 321, fingerprint sensor circuit 31 and 32 back adhesive of circuit of light sources, so that fingerprint sensor
311 is contrary with light source 321, and circuit of light sources 32 and 33 front of matching identification circuit are opposite, and 33 surface of matching identification circuit is set
Set white silk-screen.Fingerprint sensor circuit 31 and the whole even ring of light 2 of insertion of circuit of light sources 32, fingerprint sensor 311 is in the even ring of light
It is exposed at window 21, it is contacted with finger to be verified.The whole insertion outer cover 1 of the even ring of light 2, even 21 outer of halo window and fingerprint sensing
Device 311 is exposed at outer cover window 11, and even 21 peripheral rim portion of halo window can play indicative function.Bracket 4 is located at circuit of light sources 32
Between matching identification circuit 33, it is sheathed on 321 periphery of light source, is enclosed with circuit of light sources 32, matching identification circuit 33
One even optical cavity.Bracket lip is overlapped along 41 with even 2 bottom surface of the ring of light, and bottom surface is bonded with 33 surface of matching identification circuit.Matching identification
33 surface of circuit and 1 bottom surface of outer cover bond, and form a closed cavity, and all components of flexible circuit board 3 are respectively positioned on the closing chamber
In vivo.
With reference to Fig. 7, when the present embodiment fingerprint mould group control light source 321 shines, the light that light source 321 issues first than
To 33 surface of identification circuit occur diffusing reflection, later directly or pass through bracket after multiple reflections or diffusing reflection in even optical cavity
4, the even ring of light 2 plays indicative function in even 21 outer uniform of halo window.
With reference to Fig. 2-5, Fig. 8, Fig. 9, another embodiment fingerprint mould group of the utility model includes outer cover 1, the even ring of light 2, flexibility
Circuit board 3, bracket 4 and glass cover-plate 6, wherein outer cover 1 is metal material, and the even ring of light 2 and bracket 4 are translucent plastic material
Matter.Flexible circuit board 3 divides for 33 3 fingerprint sensor circuit 31, circuit of light sources 32 and matching identification circuit portions in the present embodiment
Point, it is connected between each section by winding displacement, bent, all components are distributed in the circuit board the same side.Fingerprint sensor electricity
Road 31, circuit of light sources 32 and 33 back side of matching identification circuit are respectively provided with steel plate 5.31 surface of fingerprint sensor circuit is centrally located finger
Line sensor 311,32 surface of circuit of light sources are centrally located light source 321, and fingerprint sensor circuit 31 and 32 back side of circuit of light sources are viscous
It closes, so that fingerprint sensor 311 is contrary with light source 321, circuit of light sources 32 and 33 front of matching identification circuit are opposite, compare
White silk-screen is arranged in 33 surface of identification circuit.Fingerprint sensor circuit 31 and the whole even ring of light 2 of insertion of circuit of light sources 32, fingerprint pass
Sensor 311 is inlaid at even halo window 21.The whole insertion outer cover 1 of the even ring of light 2, even 21 outer of halo window and fingerprint sensor
311 are inlaid at outer cover window 11.Glass cover-plate 6 is bonded together with fingerprint sensor 31, is covered on fingerprint sensing simultaneously
The peripheral rim portion surface of device 31 and even halo window 21.Bracket 4 is between circuit of light sources 32 and matching identification circuit 33, set
Set on 321 periphery of light source, an even optical cavity is enclosed with circuit of light sources 32, matching identification circuit 33.Bracket lip is along 41 and even light
2 bottom surface of ring is overlapped, and bottom surface is bonded with 33 surface of matching identification circuit.33 surface of matching identification circuit and 1 bottom surface of outer cover bond,
A closed cavity is formed, all components of flexible circuit board 3 are respectively positioned in the closed cavity.
With reference to Figure 10, when light source 321 is not waken up luminous in the present embodiment fingerprint mould group, user can only see from surface
Glass cover-plate 6；When light source 321 is waken up luminous, the light that light source 321 issues occurs on 33 surface of matching identification circuit first
Diffusing reflection passes through bracket 4, the even ring of light 2 in even reticle window directly or in even optical cavity after multiple reflections or diffusing reflection later
21 outer uniforms of mouth, user can pass through what the aperture that glass cover-plate 6 sees that even 21 outer of halo window is formed was identified
Fingerprint sensing region.
It is the circuit diagram of flexible circuit board 3 with reference to figures 11 to Figure 15, chip used circuit is the prior art, emphasis
It is to divide flexible circuit board 3 for 33 3 fingerprint sensor circuit 31, circuit of light sources 32 and matching identification circuit parts, each portion
/ connected by winding displacement, all components' placements are in 3 the same side of flexible circuit board.
Claims (9)
1. a kind of fingerprint mould group with instruction function, it is characterised in that: including flexible circuit board (3), the even ring of light (2), bracket
(4) and outer cover (1)；
The flexible circuit board (3) includes fingerprint sensor circuit (31), circuit of light sources (32) and matching identification circuit (33) three
A part；Fingerprint sensor circuit (31) is equipped with fingerprint sensor (311), and circuit of light sources (32) is equipped with light source (321)；
The fingerprint sensor circuit (31) is bonded with the circuit of light sources (32) back side, and is integrally embedded in the even ring of light (2)；Refer to
Line sensor (311) is contrary with light source (321), and the light source (321) and matching identification circuit (33) are opposite；
The bracket (4) is assemblied in the light source (321) periphery, is transparent or semitransparent light-transmitting materials with the even ring of light (2)；Institute
Bracket (4) are stated between the circuit of light sources (32) and matching identification circuit (33), with circuit of light sources (32) and matching identification
Circuit (33) forms an even optical cavity.
2. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the even ring of light (2) is nested
In outer cover (1).
3. it is according to claim 1 have instruction function fingerprint mould group, it is characterised in that: outer cover (1) bottom surface with
The fitting of matching identification circuit (33) surface, forms a closed cavity, and all components of the flexible circuit board (3) are respectively positioned on
In the closed cavity.
4. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the outer cover (1) is metal
Or opaque-plastic material.
5. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the flexible circuit board (3)
All components are distributed in flexible circuit board (3) the same side.
6. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the fingerprint sensor circuit
(31), circuit of light sources (32) and matching identification circuit (33) back side are respectively provided with steel plate (5).
7. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the matching identification circuit
(33) white silk-screen is arranged in surface.
8. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: the bracket (4) is open loop
Or closed loop configuration.
9. the fingerprint mould group with instruction function according to claim 1, it is characterised in that: it further include glass cover-plate (6),
The glass cover-plate (6) is covered on fingerprint sensor (311) and the even ring of light (2) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242374.4U CN208460037U (en) | 2018-08-03 | 2018-08-03 | A kind of fingerprint mould group with instruction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242374.4U CN208460037U (en) | 2018-08-03 | 2018-08-03 | A kind of fingerprint mould group with instruction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460037U true CN208460037U (en) | 2019-02-01 |
Family
ID=65180003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821242374.4U Active CN208460037U (en) | 2018-08-03 | 2018-08-03 | A kind of fingerprint mould group with instruction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460037U (en) |
-
2018
- 2018-08-03 CN CN201821242374.4U patent/CN208460037U/en active Active
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