CN204613976U - Fingerprint collecting light-source structure and fingerprint capturer - Google Patents
Fingerprint collecting light-source structure and fingerprint capturer Download PDFInfo
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- CN204613976U CN204613976U CN201520290873.0U CN201520290873U CN204613976U CN 204613976 U CN204613976 U CN 204613976U CN 201520290873 U CN201520290873 U CN 201520290873U CN 204613976 U CN204613976 U CN 204613976U
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- guide plate
- light guide
- light
- fingerprint
- source structure
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Abstract
The utility model discloses a kind of fingerprint collecting light-source structure and fingerprint capturer, this fingerprint collecting light-source structure comprises the light guide plate be arranged at below device panel and the multiple luminescent devices being arranged at light guide plate lateral surface, with on the light guide plate position that described luminescent device is contiguous, lower surface is respectively arranged with the first light blocking film and the second light blocking film, this fingerprint capturer comprises described fingerprint collecting light-source structure, also comprise the support be 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.Under the utility model fingerprint collecting light-source structure and fingerprint capturer can be integrated in the device panel of mobile electronic device, its compact thickness is thin, and easy to process, assembling easily, and improves and manufacture yields.
Description
Technical field
The utility model relates to acquisition technology field, is specifically related to a kind of fingerprint collecting light-source structure and fingerprint capturer.
Background technology
At present, fingerprint image imaging technique mainly contains the fingerprint imaging technique (as camera or conventional optical fingerprint collector) based on optical lens.
Such as thin optical fingerprint collector disclosed in 201120403301.0, generally include image acquisition prism, imaging device and image processing modules, wherein, described imaging device also comprises lens subassembly, and the parts such as photoelectric signal transformation circuit and digital processing unit.Owing to adopting image acquisition prism as the acquisition component of fingerprint light, sufficiently long light path must be had could to meet the imaging demand of light, particularly, also need the imaging being completed fingerprint light by described lens subassembly, more need the imaging demand meeting light compared with long light-path thus.Because image acquisition prism and lens subassembly itself have larger volume and thickness, add the factors such as optical path length, image acquisition device must be had collection that larger volume and thickness could realize fingerprint image.
Existing a kind of image collecting device solves above-mentioned volume, technical matters that thickness is larger, this image collecting device comprises light guide plate, light guide plate is below by Bracket setting light source, because groove support being installed light source is very little, dimensional requirement is very strict, cause production to a certain degree and difficult design, and under this structure is not easy to be integrated in the transparent device panel of mobile device, how to address this problem, can ensure that again the volume of image collecting device can also be small and exquisite, be the art personnel technical barriers urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of fingerprint collecting light-source structure and fingerprint capturer, and under it can be integrated in the device panel of mobile electronic device, its compact thickness is thin, and easy to process, assembling easily, and improves and manufacture yields.
In order to achieve the above object, the utility model provides a kind of fingerprint collecting light-source structure, comprising the light guide plate be arranged at below device panel and the multiple luminescent devices being arranged at light guide plate lateral surface, the light guide plate position upper and lower surface contiguous with described luminescent device 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 to upper surface and the lower surface of multiple luminescent device respectively.
Further, described light guide plate is integrally made up of with the flat board being positioned at ring bodies inner chamber the ring bodies near luminescent device, 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 is less than lateral surface thickness, and 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 inclined-plane or the arc surface of inside side inclined upward.
Further, described light guide plate is ring bodies, and the upper surface of described light guide plate is plane, and the medial surface thickness of described light guide plate is less than lateral surface thickness.
Further, the lower surface of described light guide plate is inclined-plane or the arc surface of inside side inclined upward.
Further, described light guide plate and device panel fit tightly.
Further, multiple described luminescent device is evenly arranged along light guide plate lateral surface.
A kind of fingerprint capturer, it comprises described fingerprint collecting light-source structure, also comprises the support be arranged at below light guide plate, and described rack bore is provided with fingerprint chip, connect accessory circuit plate below described fingerprint chip, described accessory circuit plate is arranged at below support.
Further, the lower end of second light blocking film of described Bracket setting below light guide plate.
After adopting such scheme, the utility model has following beneficial effect:
1, multiple luminescent device is arranged at the lateral surface of light guide plate, and light guide plate and multiple luminescent device are monolithically integrated in below the device panel of mobile device, not only solve luminescent device and be arranged in support the problem causing processing inconvenience, and by luminescent device is arranged on light guide plate lateral surface, the light that luminescent device is launched along the lateral margin of light guide plate enters in light guide plate, and upwards in access arrangement panel, and propagate in light guide plate and device panel in total reflection mode, fingerprint is gathered fingerprint image by being pressed on device panel by person easy to use, and in light guide plate on the position of luminescent device, lower surface arranges the first light blocking film and the second light blocking film respectively, unwanted spurious rays can be covered, ensure that light when user carries out image acquisition is evenly soft,
2, the first light blocking film and the second light blocking film are extended to respectively upper surface and the lower surface of multiple luminescent device, the light as much as possible that luminescent device can be made to launch enters in light guide plate, and upwards in access arrangement panel, propagate in light guide plate He in device panel in total reflection mode, ensure that the sharpness gathering fingerprint image;
3, light guide plate is designed to integrally form by near the ring bodies of luminescent device and the flat board that is positioned at ring bodies inner chamber, and make the lateral surface thickness of ring bodies corresponding with luminescent device thickness, and ring bodies medial surface thickness is less than lateral surface thickness, such design can make the thickness of light guide plate reduce, compact, is easier to be integrated in mobile device;
4, light guide plate is designed to ring bodies, make light guide plate upper surface be plane, its medial surface thickness is less than lateral surface thickness, and design makes the volume of light guide plate greatly reduce like this, and lower thickness, is easier to be integrated in mobile device, and has saved cost.
Accompanying drawing explanation
Fig. 1 is embodiment one structural representation of the utility model fingerprint collecting light-source structure;
Fig. 2 is embodiment two structural representation of the utility model fingerprint collecting light-source structure;
Fig. 3 is embodiment three structural representation of the utility model fingerprint collecting light-source structure;
Fig. 4 is embodiment four structural representation of the utility model fingerprint collecting light-source structure;
Fig. 5 is embodiment five structural representation of the utility model fingerprint collecting light-source structure;
Fig. 6 is embodiment six structural representation of the utility model fingerprint collecting light-source structure;
Fig. 7 is embodiment seven structural representation of the utility model fingerprint collecting light-source structure;
Fig. 8 is embodiment eight structural representation of the utility model fingerprint collecting light-source structure;
Fig. 9 is embodiment nine structural representation of the utility model fingerprint collecting light-source structure;
Figure 10 is embodiment ten structural representation of the utility model fingerprint collecting light-source structure;
Figure 11 is embodiment 11 structural representation of the utility model fingerprint collecting light-source structure;
Figure 12 is embodiment 12 structural representation of the utility model fingerprint collecting light-source structure;
Figure 13 is embodiment one structural representation of the utility model fingerprint capturer;
Figure 14 is embodiment two structural representation of the utility model fingerprint capturer;
Figure 15 is embodiment three structural representation of the utility model fingerprint capturer;
Figure 16 is embodiment four structural representation of the utility model fingerprint capturer;
Figure 17 is embodiment five structural representation of the utility model fingerprint capturer.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
Embodiment one structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 1, it comprises the light guide plate 1 be arranged at below device panel 10 and the multiple luminescent devices 2 being arranged at light guide plate 1 lateral surface, this device panel 10 can be mobile electronic device such as mobile phone faceplate, and light guide plate 1 and multiple luminescent device 2 are arranged at below device panel 10.Light guide plate 1 and device panel 10 are closely pasted together by optical cement, multiple luminescent device 2 is fixed on the lateral surface of light guide plate 1 by bonding or other connected mode, and the light guide plate 1 position upper and lower surface contiguous with luminescent device 2 is connected with ring-type first light blocking film 3 and ring-type second light blocking film 4 respectively by bonding way.
Above-described embodiment is by being arranged at the lateral surface of light guide plate 1 by multiple luminescent device 2, and below the device panel 10 light guide plate 1 and multiple luminescent device 2 being monolithically integrated in mobile device, not only solve luminescent device 2 and be arranged in support the problem causing processing inconvenience, and by luminescent device 2 being arranged on the lateral surface of light guide plate 1, the light that luminescent device 2 is launched along the lateral margin of light guide plate 1 enters in light guide plate 1, and upwards in access arrangement panel 10, and propagate in light guide plate 1 and device panel 10 to be totally reflected mode, fingerprint is gathered fingerprint image by being pressed on device panel 10 by person easy to use, and in light guide plate 1 on the position of luminescent device 2, lower surface arranges the first light blocking film 3 and the second light blocking film 4 respectively, unwanted spurious rays can be covered, ensure that light when user carries out image acquisition is evenly soft.
Embodiment two structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 2, its most of structure is identical with example structure described in Fig. 1, and difference is: the first light blocking film 3 and the second light blocking film 4 extend to upper surface and the lower surface of multiple luminescent device 2 respectively.Its light as much as possible that multiple luminescent device 2 can be made to launch enters in light guide plate 1, and upwards in access arrangement panel 10, and to be totally reflected mode propagation in light guide plate 1 and in device panel 10, ensure that user gathers the sharpness of fingerprint image.
Embodiment three structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 3, its most of structure is identical with example structure described in Fig. 1, difference is: light guide plate 1 is integrally made up of with the flat board 6 being positioned at ring bodies 5 inner chamber the ring bodies 5 near luminescent device 2, the upper surface of ring bodies 5 is plane, the lateral surface thickness of ring bodies 5 is corresponding with the thickness of multiple luminescent device 2, namely the two thickness is identical, the medial surface thickness of ring bodies 5 is less than its lateral surface thickness, the lower surface of ring bodies 5 is the inclined-plane of inside side inclined upward, the thickness of dull and stereotyped 6 is identical with the medial surface thickness of ring bodies 5.Such design can make the thickness of light guide plate 1 reduce, and compact is easier to be integrated in mobile device.
Embodiment four structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 4, its most of structure is identical with example structure described in Fig. 3, and difference is: the lower surface of ring bodies 5 is the arc surface of inside side inclined upward.
Embodiment five structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 5, its most of structure is identical with example structure described in Fig. 1 or Fig. 3 or Fig. 4, difference is: light guide plate 1 is rectangular slab, and multiple luminescent device 2 is evenly arranged on the lateral surface of light guide plate 1.
Embodiment six structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 6, its most of structure is identical with example structure described in Fig. 5, difference is: light guide plate 1 is circular slab, and multiple luminescent device 2 is evenly arranged on the lateral surface of light guide plate 1.
Embodiment seven structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 7, its most of structure is identical with example structure described in Fig. 5, difference is: light guide plate 1 is elliptical flat-plate, and multiple luminescent device 2 is evenly arranged on the lateral surface of light guide plate 1.
Embodiment eight structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 8, its most of structure is identical with example structure described in Fig. 7, and difference is: multiple luminescent device 2 is on the uneven lateral surface being arranged at light guide plate 1.
Embodiment nine structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 9, its most of structure is identical with example structure described in Fig. 1, difference is: light guide plate 1 is ring bodies, 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, in this embodiment, the xsect of light guide plate 1 is the short below right-angled trapezium of the upper length of side, and wherein tiltedly waist is positioned at medial surface.Such design makes the volume of light guide plate 1 greatly reduce lower thickness, has saved cost, is easier to be integrated in mobile device.
Embodiment ten structural representation of the utility model fingerprint collecting light-source structure as shown in Figure 10, its most of structure is identical with example structure described in Fig. 9, difference is: the xsect of light guide plate 1 is triangle, and the lower surface of light guide plate 1 is the inclined-plane of inside side inclined upward.
Embodiment 11 structural representation of the utility model fingerprint collecting light-source structure as shown in figure 11, its most of structure is identical with example structure described in Figure 10, and difference is: the lower surface of light guide plate 1 is the arc surface of inside side inclined upward.
Embodiment 12 structural representation of the utility model fingerprint collecting light-source structure as shown in figure 12, its most of structure is identical with example structure described in Fig. 9 or Figure 10 or Figure 11, difference is: light guide plate 1 is rectangular ring body, and multiple luminescent device 2 is evenly arranged on the lateral surface of light guide plate 1.
Embodiment one structural representation of the utility model fingerprint capturer as shown in figure 13, it comprises the described fingerprint collecting light-source structure of one of Fig. 1-Figure 12, this embodiment adopts the fingerprint collecting light-source structure of embodiment described in Fig. 2, also comprise the lower end support 7 in the inner part of the second light blocking film 4 be arranged at below light guide plate 1, the inner chamber of support 7 is provided with fingerprint chip 8, connect accessory circuit plate 9 below fingerprint chip 8, accessory circuit plate 9 is arranged at below support 7.Luminescent device 2 is separated setting with support 7 by this fingerprint capturer, its convenient processing, and compact, thickness are thin, assembling easily, improves manufacture yields, during use, finger is restrained on device panel 10, due to finger existing sweat, destroy the total reflection propagation entering the light in light guide plate 1 and device panel 10 that luminescent device 2 is launched, make light pass device panel 10 to be radiated on finger, thus fingerprint image is become at fingerprint chip 8.
Embodiment two structural representation of the utility model fingerprint capturer as shown in figure 14, its most of structure is identical with example structure described in Figure 13, difference is: described fingerprint collecting light-source structure selects example structure described in Fig. 3, the use of the fingerprint capturer of the present embodiment is identical with embodiment described in Figure 13, repeats no more herein.
Embodiment three structural representation of the utility model fingerprint capturer as shown in figure 15, its most of structure is identical with example structure described in Figure 14, difference is: described fingerprint collecting light-source structure selects example structure described in Figure 10, the use of the fingerprint capturer of the present embodiment is identical with embodiment described in Figure 13, repeats no more herein.
Embodiment four structural representation of the utility model fingerprint capturer as shown in figure 16, its most of structure is identical with example structure described in Figure 13, difference is: the upper surface outboard end of support 7 is upwards extended with circular fin 11, multiple luminescent devices 2 are defined to the inner chamber of circular fin 11, the use of the fingerprint capturer of the present embodiment is identical with embodiment described in Figure 13, repeats no more herein.
Embodiment five structural representation of the utility model fingerprint capturer as shown in figure 17, its most of structure is identical with example structure described in Figure 16, difference is: the shape of cross section of support 7 is inverted L-shaped, circular fin 11 is arranged at the upper surface outboard end of support 7, such design can save the material of support 7, cost-saving, the use of the fingerprint capturer of the present embodiment is identical with embodiment described in Figure 13, repeats no more herein.
Those skilled in the art, at consideration instructions and after putting into practice utility model disclosed herein, will easily expect other embodiment of the present utility model.The application is intended to contain any modification of the present utility model, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present utility model and comprised undocumented common practise in the art or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present utility model and spirit are pointed out by claim below.
Should be understood that, the utility model is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present utility model is only limited by appended claim.
Claims (10)
1. a fingerprint collecting light-source structure, it is characterized in that, comprise the light guide plate be arranged at below device panel and the multiple luminescent devices being arranged at light guide plate lateral surface, the light guide plate position upper and lower surface contiguous with described luminescent device is respectively arranged with the first light blocking film and the second light blocking film.
2. fingerprint collecting light-source structure as claimed in claim 1, it is characterized in that, described first light blocking film and the second light blocking film extend to upper surface and the lower surface of multiple luminescent device respectively.
3. fingerprint collecting light-source structure as claimed in claim 1, it is characterized in that, described light guide plate is integrally made up of with the flat board being positioned at ring bodies inner chamber the ring bodies near luminescent device, 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 is less than lateral surface thickness, and described slab-thickness is identical with the medial surface thickness of ring bodies.
4. fingerprint collecting light-source structure as claimed in claim 3, it is characterized in that, the upper surface of described ring bodies is plane, and the lower surface of described ring bodies is inclined-plane or the arc surface of inside side inclined upward.
5. fingerprint collecting light-source structure as claimed in claim 1, it is characterized in that, described light guide plate is ring bodies, and the upper surface of described light guide plate 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 characterized in that, the lower surface of described light guide plate is inclined-plane or the arc surface of inside side inclined upward.
7. the fingerprint collecting light-source structure as described in one of claim 1-6, is characterized in that, described light guide plate and device panel fit tightly.
8. fingerprint collecting light-source structure as claimed in claim 7, it is characterized in that, multiple described luminescent device is evenly arranged along light guide plate lateral surface.
9. a fingerprint capturer, it is characterized in that, comprise the fingerprint collecting light-source structure that one of claim 1-8 is described, also comprise the support be arranged at below light guide plate, described rack bore is provided with fingerprint chip, connect accessory circuit plate below described fingerprint chip, described accessory circuit plate is arranged at below support.
10. fingerprint capturer as claimed in claim 9, is characterized in that, the lower end of second light blocking film of described Bracket setting below light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290873.0U CN204613976U (en) | 2015-05-07 | 2015-05-07 | Fingerprint collecting light-source structure and fingerprint capturer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290873.0U CN204613976U (en) | 2015-05-07 | 2015-05-07 | Fingerprint collecting light-source structure and fingerprint capturer |
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| Publication Number | Publication Date |
|---|---|
| CN204613976U true CN204613976U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520290873.0U Withdrawn - After Issue CN204613976U (en) | 2015-05-07 | 2015-05-07 | Fingerprint collecting light-source structure and fingerprint capturer |
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| CN (1) | CN204613976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176986A1 (en) * | 2015-05-07 | 2016-11-10 | 深圳印象认知技术有限公司 | Fingerprint acquisition light source structure and fingerprint reader |
| WO2017156976A1 (en) * | 2016-03-16 | 2017-09-21 | 上海箩箕技术有限公司 | Optical fingerprint sensor module |
| WO2018152740A1 (en) * | 2017-02-23 | 2018-08-30 | 深圳市汇顶科技股份有限公司 | Sensing unit |
-
2015
- 2015-05-07 CN CN201520290873.0U patent/CN204613976U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176986A1 (en) * | 2015-05-07 | 2016-11-10 | 深圳印象认知技术有限公司 | Fingerprint acquisition light source structure and fingerprint reader |
| CN106203241A (en) * | 2015-05-07 | 2016-12-07 | 深圳印象认知技术有限公司 | Fingerprint collecting light-source structure and fingerprint capturer |
| WO2017156976A1 (en) * | 2016-03-16 | 2017-09-21 | 上海箩箕技术有限公司 | Optical fingerprint sensor module |
| WO2018152740A1 (en) * | 2017-02-23 | 2018-08-30 | 深圳市汇顶科技股份有限公司 | Sensing unit |
| CN109313697A (en) * | 2017-02-23 | 2019-02-05 | 深圳市汇顶科技股份有限公司 | Sensing device |
| CN109313697B (en) * | 2017-02-23 | 2021-08-10 | 深圳市汇顶科技股份有限公司 | Sensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fingerprint acquisition light source structure and fingerprint collector Effective date of registration: 20200826 Granted publication date: 20150902 Pledgee: Zhang Jinfang Pledgor: Vkansee Technology Co.,Ltd. Registration number: Y2020990001028 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 714000 floors 4-6, building 3, additive manufacturing Innovation Center Industrial Park, west section of Chaoyang Street, high tech Industrial Development Zone, Weinan City, Shaanxi Province Patentee after: Weinan impression Cognitive Technology Co.,Ltd. Address before: 518057 402, AVIC Nanhang building, No. 7, Langshan Road, north high tech Zone, Nanshan District, Shenzhen, Guangdong Patentee before: VKANSEE TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20220930 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20220930 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |