CN106203241A - Fingerprint collecting light-source structure and fingerprint capturer - Google Patents
Fingerprint collecting light-source structure and fingerprint capturer Download PDFInfo
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- CN106203241A CN106203241A CN201510229004.1A CN201510229004A CN106203241A CN 106203241 A CN106203241 A CN 106203241A CN 201510229004 A CN201510229004 A CN 201510229004A CN 106203241 A CN106203241 A CN 106203241A
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- guide plate
- light
- fingerprint
- light guide
- source structure
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of fingerprint collecting light-source structure and fingerprint capturer, this fingerprint collecting light-source structure includes the light guide plate being arranged at below device panel and is arranged at multiple luminescent devices of light guide plate lateral surface, on the light guide plate position neighbouring with described luminescent device, lower surface is respectively arranged with the first light blocking film and the second light blocking film, this fingerprint capturer includes described fingerprint collecting light-source structure, also include the support being arranged at below light guide plate, described rack bore is provided with fingerprint chip, accessory circuit plate is connected below described fingerprint chip, described accessory circuit plate is arranged at below support.Fingerprint collecting light-source structure of the present invention and fingerprint capturer can be integrated under the device panel of mobile electronic device, and its compact thickness is thin and easy to process, it is easy to assemble, and improves manufacture yields.
Description
Technical field
The present invention relates to acquisition technology field, be specifically related to a kind of fingerprint collecting light-source structure and fingerprint capturer.
Background technology
At present, fingerprint image imaging technique mainly has the fingerprint imaging technique of optically-based camera lens (such as camera or traditional optical
Fingerprint capturer).
Such as thin optical fingerprint collector disclosed in 201120403301.0, generally includes image acquisition prism, imaging
Device and image processing modules, wherein, described imaging device also includes lens subassembly, and photoelectric signal transformation circuit and
The parts such as digital processing unit.Owing to using image acquisition prism as the acquisition component of fingerprint light, it is necessary to there is long enough
Light path could meet the imaging demand of light, particularly, in addition it is also necessary to completed the one-tenth of fingerprint light by described lens subassembly
Picture, thus meets the imaging demand of light with greater need for relatively long light-path.Owing to image acquisition prism and lens subassembly itself have
Bigger volume and thickness, add the factors such as optical path length so that image acquisition device must have bigger volume and thickness
Degree could realize the collection of fingerprint image.
The technical problem that existing a kind of image collecting device solves above-mentioned volume, thickness is bigger, this image collecting device
Including light guide plate, light guide plate arranges light source below by support, the least owing to installing the groove of light source on support, dimensional requirement
Extremely strict, cause a certain degree of production and difficult design, and this structure is not easy to be integrated in the transparent of mobile device
Under device panel, how to solve this problem, can guarantee that again the volume of image collecting device can also be small and exquisite, be this technology neck
The technical barrier that territory personnel are urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to provide a kind of fingerprint collecting light-source structure and fingerprint capturer, it can be integrated in mobile electricity
Under the device panel of subset, its compact thickness is thin and easy to process, it is easy to assemble, and improves manufacture yields.
In order to achieve the above object, the present invention provides a kind of fingerprint collecting light-source structure, including being arranged at device panel
Following light guide plate and be arranged at multiple luminescent devices of light guide plate lateral surface, the light guide plate portion neighbouring with described luminescent device
Upper and lower surface, position is respectively arranged with the first light blocking film and the second light blocking film.
Further, described first light blocking film and the second light blocking film extend respectively to upper surface and the following table of multiple luminescent device
Face.
Further, described light guide plate is by the ring bodies of close luminescent device and the flat board one structure being positioned at ring bodies inner chamber
Becoming, the lateral surface thickness of described ring bodies is corresponding with the thickness of described luminescent device, the medial surface thickness of described ring bodies
Less than lateral surface thickness, described slab-thickness is identical with the medial surface thickness of ring bodies.
Further, the upper surface of described ring bodies is plane, and the lower surface of described ring bodies is to medial surface inclined upward
Inclined-plane or arc surface.
Further, described light guide plate is ring bodies, and the upper surface of described light guide plate is plane, the inner side of described light guide plate
Face thickness is less than lateral surface thickness.
Further, the lower surface of described light guide plate is to the inclined-plane of medial surface inclined upward or arc surface.
Further, described light guide plate fits tightly with device panel.
Further, multiple described luminescent devices are uniformly arranged along light guide plate lateral surface.
A kind of fingerprint capturer, it includes described fingerprint collecting light-source structure, also includes being arranged at propping up below light guide plate
Frame, described rack bore is provided with fingerprint chip, connects accessory circuit plate, described accessory circuit below described fingerprint chip
Plate is arranged at below support.
Further, described support is arranged at the lower end of the second light blocking film below light guide plate.
After using such scheme, the method have the advantages that
1, multiple luminescent devices are arranged at the lateral surface of light guide plate, and light guide plate and multiple luminescent device are monolithically integrated in movement
Below the device panel of equipment, not only solve in luminescent device is arranged on support the problem causing processing inconvenience, Er Qietong
Cross and luminescent device is arranged on light guide plate lateral surface, make luminescent device enter light guide plate along the light of the lateral margin transmitting of light guide plate
In, and be upwardly in device panel, and propagate in light guide plate and device panel in total reflection mode, facilitate user
Fingerprint is pressed against on device panel collection fingerprint image, and near the upper and lower surface, position of luminescent device on light guide plate
It is respectively provided with the first light blocking film and the second light blocking film, unwanted spurious rays can be covered, it is ensured that user carries out image
Light during collection is soft uniformly；
2, the first light blocking film and the second light blocking film are extended respectively to the upper and lower surface of multiple luminescent device, luminescence can be made
The light as much as possible that device is launched enters in light guide plate, and is upwardly in device panel, is leading being totally reflected mode
Propagate in tabula rasa and in device panel, it is ensured that gather the definition of fingerprint image；
3, light guide plate is designed as by near the ring bodies of luminescent device be positioned at the flat board of ring bodies inner chamber and be integrally formed, and makes ring
The lateral surface thickness of shape body is corresponding with luminescent device thickness, and ring bodies medial surface thickness is less than lateral surface thickness, so
Design can make the thickness of light guide plate reduce, compact, it is easier to be integrated in mobile device；
4, light guide plate being designed as ring bodies, making light guide plate upper surface is plane, and its medial surface thickness is less than lateral surface thickness, this
Sample design makes the volume of light guide plate be greatly reduced, lower thickness, it is easier to be integrated in mobile device, and has saved cost.
Accompanying drawing explanation
Fig. 1 is embodiment one structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 2 is embodiment two structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 3 is embodiment three structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 4 is embodiment four structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 5 is embodiment five structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 6 is embodiment six structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 7 is embodiment seven structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 8 is embodiment eight structural representation of fingerprint collecting light-source structure of the present invention；
Fig. 9 is embodiment nine structural representation of fingerprint collecting light-source structure of the present invention；
Figure 10 is embodiment ten structural representation of fingerprint collecting light-source structure of the present invention；
Figure 11 is embodiment 11 structural representation of fingerprint collecting light-source structure of the present invention；
Figure 12 is embodiment 12 structural representation of fingerprint collecting light-source structure of the present invention；
Figure 13 is embodiment one structural representation of fingerprint capturer of the present invention；
Figure 14 is embodiment two structural representation of fingerprint capturer of the present invention；
Figure 15 is embodiment three structural representation of fingerprint capturer of the present invention；
Figure 16 is embodiment four structural representation of fingerprint capturer of the present invention；
Figure 17 is embodiment five structural representation of fingerprint capturer of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
Embodiment one structural representation of fingerprint collecting light-source structure the most of the present invention, it includes being arranged at device side
The following light guide plate 1 of plate 10 and be arranged at multiple luminescent devices 2 of light guide plate 1 lateral surface, this device panel 10 can be
Mobile electronic device such as mobile phone faceplate, light guide plate 1 and multiple luminescent device 2 are arranged at below device panel 10.Lead
Tabula rasa 1 is closely pasted together by optical cement with device panel 10, and multiple luminescent devices 2 are by bonding or other connection
Mode is fixed on the lateral surface of light guide plate 1, and the light guide plate 1 position upper and lower surface neighbouring with luminescent device 2 leads to respectively
Cross bonding way connection and have ring-type first light blocking film 3 and ring-type second light blocking film 4.
Above-described embodiment by being arranged at the lateral surface of light guide plate 1 by multiple luminescent devices 2, and by light guide plate 1 and multiple
Luminescent device 2 is monolithically integrated in below the device panel 10 of mobile device, not only solves luminescent device 2 and is arranged on support
The problem inside causing processing inconvenience, and by luminescent device 2 being arranged on the lateral surface of light guide plate 1, make luminescent device
2 along the light entrance light guide plate 1 of the lateral margin transmitting of light guide plate 1, and is upwardly in device panel 10, and to be all-trans
Mode of penetrating is propagated in light guide plate 1 and device panel 10, facilitates user that fingerprint is pressed against on device panel 10 collection
Fingerprint image, and the upper and lower surface, position of close luminescent device 2 is respectively provided with the first light blocking film 3 He on light guide plate 1
Second light blocking film 4, can cover unwanted spurious rays, it is ensured that light when user carries out image acquisition is soft all
Even.
Embodiment two structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 1
Described example structure is identical, and difference is: the first light blocking film 3 and the second light blocking film 4 extend respectively to multiple
The upper and lower surface of optical device 2.Its light as much as possible that multiple luminescent device 2 can be made to launch enters leaded light
In plate 1, and it is upwardly in device panel 10, and passes in light guide plate 1 and in device panel 10 in total reflection mode
Broadcast, it is ensured that user gathers the definition of fingerprint image.
Embodiment three structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 1
Described example structure is identical, and difference is: light guide plate 1 is by near the ring bodies 5 of luminescent device 2 be positioned at ring
The flat board 6 of shape body 5 inner chamber is integrally formed, and the upper surface of ring bodies 5 is plane, and the lateral surface thickness of ring bodies 5 is with many
The thickness of individual luminescent device 2 is corresponding, i.e. the two thickness is identical, and the medial surface thickness of ring bodies 5 is thick less than its lateral surface
Degree, the lower surface of ring bodies 5 is the inclined-plane to medial surface inclined upward, the thickness of flat board 6 and the medial surface of ring bodies 5
Thickness is identical.So design can make the thickness of light guide plate 1 reduce, compact, it is easier to be integrated in mobile device.
Embodiment four structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 3
Described example structure is identical, and difference is: the lower surface of ring bodies 5 is the arc surface to medial surface inclined upward.
Embodiment five structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 1
Or example structure is identical described in Fig. 3 or Fig. 4, difference is: light guide plate 1 is rectangular slab, multiple luminescent devices
On 2 lateral surface being uniformly arranged on light guide plate 1.
Embodiment six structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 5
Described example structure is identical, and difference is: light guide plate 1 is circular slab, and multiple luminescent devices 2 are uniformly arranged on
On the lateral surface of light guide plate 1.
Embodiment seven structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 5
Described example structure is identical, and difference is: light guide plate 1 is elliptical flat-plate, and multiple luminescent devices 2 are uniformly arranged
On the lateral surface of light guide plate 1.
Embodiment eight structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 7
Described example structure is identical, and difference is: multiple luminescent devices 2 are in the uneven outside being arranged at light guide plate 1
On face.
Embodiment nine structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 1
Described example structure is identical, and difference is: light guide plate 1 is ring bodies, and the upper surface of light guide plate 1 is plane,
The medial surface thickness of light guide plate 1 is less than lateral surface thickness, and in this embodiment, the cross section of light guide plate 1 is that the upper length of side is the shortest
Right-angled trapezium, wherein tiltedly waist is positioned at medial surface.So design makes the volume of light guide plate 1 be greatly reduced lower thickness, joint
About cost, it is easier to be integrated in mobile device.
Embodiment ten structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure and Fig. 9
Described example structure is identical, and difference is: the cross section of light guide plate 1 is triangle, the lower surface of light guide plate 1
For the inclined-plane to medial surface inclined upward.
Embodiment 11 structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure with
Described in Figure 10, example structure is identical, and difference is: the lower surface of light guide plate 1 is the circle to medial surface inclined upward
Cambered surface.
Embodiment 12 structural representation of fingerprint collecting light-source structure the most of the present invention, its major part structure with
Example structure described in Fig. 9 or Figure 10 or Figure 11 is identical, and difference is: light guide plate 1 is rectangular ring body, many
Individual luminescent device 2 is uniformly arranged on the lateral surface of light guide plate 1.
Embodiment one structural representation of fingerprint capturer the most of the present invention, it includes that one of Fig. 1-Figure 12 is described
Fingerprint collecting light-source structure, this embodiment uses the fingerprint collecting light-source structure of embodiment described in Fig. 2, also includes arranging
The lower end of the second light blocking film 4 below light guide plate 1 support 7 in the inner part, the inner chamber of support 7 is provided with fingerprint chip 8,
Connection accessory circuit plate 9 below fingerprint chip 8, accessory circuit plate 9 is arranged at below support 7.This fingerprint collecting
Device by separately positioned with support 7 for luminescent device 2, its convenient processing, and compact, thickness are thin, assemble easily, carry
High manufacture yields, during use, restrains finger on device panel 10, owing to there is perspiration on finger, destroys
The total reflection of the light entered in light guide plate 1 and device panel 10 that luminescent device 2 is launched is propagated, and makes light pass device side
Plate 10 is radiated on finger, thus becomes fingerprint image at fingerprint chip 8.
Embodiment two structural representation of fingerprint capturer the most of the present invention, described in its major part structure and Figure 13
Example structure is identical, and difference is: described fingerprint collecting light-source structure selects example structure described in Fig. 3, this
The use of the fingerprint capturer of embodiment is identical with embodiment described in Figure 13, and here is omitted.
Embodiment three structural representation of fingerprint capturer the most of the present invention, described in its major part structure and Figure 14
Example structure is identical, and difference is: described fingerprint collecting light-source structure selects example structure described in Figure 10, this
The use of the fingerprint capturer of embodiment is identical with embodiment described in Figure 13, and here is omitted.
Embodiment four structural representation of fingerprint capturer the most of the present invention, described in its major part structure and Figure 13
Example structure is identical, and difference is: the upper surface outboard end of support 7 has upwardly extended circular fin 11, multiple
Luminescent device 2 is defined to the inner chamber of circular fin 11, and the use of the fingerprint capturer of the present embodiment is real with described in Figure 13
Executing example identical, here is omitted.
Embodiment five structural representation of fingerprint capturer the most of the present invention, described in its major part structure and Figure 16
Example structure is identical, and difference is: the shape of cross section of support 7 is inverted L-shaped, and circular fin 11 is arranged at and props up
The upper surface outboard end of frame 7, so design can save the material of support 7, and cost-effective, the fingerprint of the present embodiment is adopted
The use of storage is identical with embodiment described in Figure 13, and here is omitted.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other of the present invention
Embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes
Or adaptations is followed the general principle of the present invention and includes undocumented common knowledge or used in the art
Use technological means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following power
Profit requires to point out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
Various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a fingerprint collecting light-source structure, it is characterised in that include that the light guide plate being arranged at below device panel and being arranged at is led
Multiple luminescent devices of tabula rasa lateral surface, the light guide plate position upper and lower surface neighbouring with described luminescent device is respectively arranged with
First light blocking film and the second light blocking film.
2. fingerprint collecting light-source structure as claimed in claim 1, it is characterised in that described first light blocking film and the second light blocking film
Extend respectively to the upper and lower surface of multiple luminescent device.
3. fingerprint collecting light-source structure as claimed in claim 1, it is characterised in that described light guide plate is by near luminescent device
Ring bodies and the flat board being positioned at ring bodies inner chamber are integrally formed, the lateral surface thickness of described ring bodies and described luminescent device
Thickness is corresponding, and the medial surface thickness of described ring bodies is less than the inner side of lateral surface thickness, described slab-thickness and ring bodies
Face thickness is identical.
4. fingerprint collecting light-source structure as claimed in claim 3, it is characterised in that the upper surface of described ring bodies is plane,
The lower surface of described ring bodies is to the inclined-plane of medial surface inclined upward or arc surface.
5. fingerprint collecting light-source structure as claimed in claim 1, it is characterised in that described light guide plate is ring bodies, described in lead
The upper surface of tabula rasa is plane, and the medial surface thickness of described light guide plate is less than lateral surface thickness.
6. fingerprint collecting light-source structure as claimed in claim 5, it is characterised in that the lower surface of described light guide plate is to inner side
The inclined-plane of face inclined upward or arc surface.
7. the fingerprint collecting light-source structure as described in one of claim 1-6, it is characterised in that described light guide plate and device panel
Fit tightly.
8. fingerprint collecting light-source structure as claimed in claim 7, it is characterised in that multiple described luminescent devices are along outside light guide plate
Side is uniformly arranged.
9. a fingerprint capturer, it is characterised in that include the fingerprint collecting light-source structure that one of claim 1-8 is described, also
Including the support being arranged at below light guide plate, described rack bore is provided with fingerprint chip, connects below described fingerprint chip
Accessory circuit plate, described accessory circuit plate is arranged at below support.
10. fingerprint capturer as claimed in claim 9, it is characterised in that described support is arranged at below light guide plate second
The lower end of light blocking film.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229004.1A CN106203241B (en) | 2015-05-07 | 2015-05-07 | Fingerprint acquisition light source structure and fingerprint acquisition device |
| PCT/CN2015/095774 WO2016176986A1 (en) | 2015-05-07 | 2015-11-27 | Fingerprint acquisition light source structure and fingerprint reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229004.1A CN106203241B (en) | 2015-05-07 | 2015-05-07 | Fingerprint acquisition light source structure and fingerprint acquisition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106203241A true CN106203241A (en) | 2016-12-07 |
| CN106203241B CN106203241B (en) | 2022-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229004.1A Active CN106203241B (en) | 2015-05-07 | 2015-05-07 | Fingerprint acquisition light source structure and fingerprint acquisition device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106203241B (en) |
| WO (1) | WO2016176986A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10713521B2 (en) | 2016-08-05 | 2020-07-14 | Gingy Technology Inc. | Image capturing apparatus and manufacturing method thereof |
| TWI630502B (en) | 2016-08-05 | 2018-07-21 | 金佶科技股份有限公司 | Image capture apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080049981A1 (en) * | 2003-03-04 | 2008-02-28 | Akio Nagasaka | Personal authentication device |
| CN103873747A (en) * | 2012-12-11 | 2014-06-18 | 联想(北京)有限公司 | Image acquisition device and electronic equipment |
| CN104464076A (en) * | 2014-10-28 | 2015-03-25 | 东方通信股份有限公司 | Contact type digital image acquisition device |
| CN204613976U (en) * | 2015-05-07 | 2015-09-02 | 深圳印象认知技术有限公司 | Fingerprint collecting light-source structure and fingerprint capturer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI444904B (en) * | 2011-06-24 | 2014-07-11 | Gingy Technology Inc | Finger print identification device |
| CN204028936U (en) * | 2014-05-16 | 2014-12-17 | 深圳印象认知技术有限公司 | Ultrathin fingerprint acquisition device, the display device of fingerprint can be gathered |
-
2015
- 2015-05-07 CN CN201510229004.1A patent/CN106203241B/en active Active
- 2015-11-27 WO PCT/CN2015/095774 patent/WO2016176986A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080049981A1 (en) * | 2003-03-04 | 2008-02-28 | Akio Nagasaka | Personal authentication device |
| CN103873747A (en) * | 2012-12-11 | 2014-06-18 | 联想(北京)有限公司 | Image acquisition device and electronic equipment |
| CN104464076A (en) * | 2014-10-28 | 2015-03-25 | 东方通信股份有限公司 | Contact type digital image acquisition device |
| CN204613976U (en) * | 2015-05-07 | 2015-09-02 | 深圳印象认知技术有限公司 | Fingerprint collecting light-source structure and fingerprint capturer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106203241B (en) | 2022-09-30 |
| WO2016176986A1 (en) | 2016-11-10 |
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