CN204795881U - Flexible circuit board structure and fingerprint module of fingerprint module - Google Patents
Flexible circuit board structure and fingerprint module of fingerprint module Download PDFInfo
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- CN204795881U CN204795881U CN201520440372.6U CN201520440372U CN204795881U CN 204795881 U CN204795881 U CN 204795881U CN 201520440372 U CN201520440372 U CN 201520440372U CN 204795881 U CN204795881 U CN 204795881U
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- fingerprint module
- circuit board
- flexible circuit
- board structure
- induction region
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Abstract
The embodiment of the utility model discloses flexible circuit board structure and fingerprint module of fingerprint module, it has also increased the technology degree of difficulty because the metal frame is connected to the some elargol to have solved, and elargol itself is also very expensive, and the technical problem of the cost -push that leads to. The utility model discloses the flexible circuit board structure of fingerprint module includes: integrative main subtotal extends coupling part, and the principal part divides and includes: the induction area and the region of windowing, induction area establish with the zone passage winding displacement of windowing there is the electric connection relation, induction area is used for welding the inductor of fingerprint module, it is regional for setting up around induction area outer through spreading the copper mode to window.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of flexible circuit board structure and fingerprint module of fingerprint module.
Background technology
Fingerprint refers to the lines of the recessed injustice of finger tips positive surface skin epirelief, although fingerprint is the sub-fraction of human body skin, but, it contains a large amount of information, these lines are at pattern, breakpoint and intersection point are different, in information processing, they are called " feature ", medically these features verified are different for each finger, and these features have uniqueness and permanent, therefore we just can be mapped a people with his fingerprint, by comparing his fingerprint characteristic and the fingerprint characteristic preserved in advance, just can verify his true identity.Therefore, Fingerprint Lock is arisen at the historic moment, and Fingerprint Lock is intelligent lock, and it is the perfect crystallization of computer information technology, electronic technology, mechanical technique and modern five metals technique.The characteristic of fingerprint becomes the most important evidence of identification identity and is widely used in police criminal detection and judicial domain.Especially for mobile fingerprint lock, be the product that current mobile terminal receives much concern, mobile fingerprint lock is that induced signal is converted into digital signal by one, realizes the device that mobile phone safe is arranged.
The design of the flexible PCB of current employing is all adopt to increase little ear or increase pad connection metal frame.So just make flexible PCB profile to increase, limit the design of other structures to a certain extent, and some elargol connection metal frame too increases technology difficulty, and elargol itself is also very expensive, thus result in the technical problem of cost increase.
Utility model content
The utility model embodiment discloses a kind of flexible circuit board structure and fingerprint module of fingerprint module, solve because an elargol connection metal frame too increases technology difficulty, and elargol itself is also very expensive, and the technical problem that the cost caused increases.
The utility model embodiment provides a kind of flexible circuit board structure of fingerprint module, comprising:
The main portion of one and extension coupling part, described main portion comprises:
Induction region and windowed regions, described induction region and described windowed regions are set up by winding displacement electrical connection;
Described induction region is for welding the inductor of fingerprint module;
Described windowed regions is the outside being arranged on described induction region by paving copper mode.
Preferably, described windowed regions is for leaking copper region, and for the one side of conductive bond parts of fitting, another side and the metal frame of described conductive bond parts fit.
Preferably, described windowed regions is a plurality of leakage copper point composition, is centered around the periphery place of described induction region, and is the flaggy front edge one week of described main portion around position.
Preferably, described conductive bond parts are two-sided conducting resinl or two-sided conducting adhesive cloth.
Preferably, described extension coupling part is for driving network.
A kind of fingerprint film group provided in the embodiment of the present invention, comprising:
The substrate of fitting successively from down to up, as mention in the embodiment of the present invention any one as described in the flexible circuit board structure of fingerprint module, inductor and metal frame;
The flexible circuit board structure of described fingerprint module comprises the main portion of one and extends coupling part;
Described main portion comprises:
Induction region and windowed regions, described induction region and described windowed regions are set up by winding displacement electrical connection;
Described induction region is for welding the inductor of fingerprint module;
Described windowed regions is the outside being arranged on described induction region by paving copper mode.
Preferably, the flexible circuit board structure of described substrate, described fingerprint module is connected by surface mounting technology from bottom to top with described inductor.
Preferably, described metal frame is encapsulated in described inductor outside by the conductive bond parts on the flexible circuit board structure surface being fitted in described fingerprint module.
Preferably, the size of the described main portion of the flexible circuit board structure of described fingerprint module is consistent with described substrate.
Preferably, described substrate is back side reinforcing chip.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
The utility model embodiment provides a kind of flexible circuit board structure and fingerprint module of fingerprint module, wherein, the flexible circuit board structure of fingerprint module comprises: the main portion of one and extension coupling part, main portion comprises: induction region and windowed regions, and induction region and windowed regions are set up by winding displacement electrical connection; Induction region is for welding the inductor of fingerprint module; Windowed regions is the outside being arranged on induction region by paving copper mode.In the present embodiment, it is the outside being arranged on induction region by paving copper mode by windowed regions, when making connection metal frame, avoid the little ear or increase pad connection metal frame that use and increase, solve because an elargol connection metal frame too increases technology difficulty, and elargol itself is also very expensive, and the technical problem that the cost caused increases.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of structural representation of flexible circuit board structure main portion of fingerprint module of Fig. 1 for providing in the utility model embodiment;
A kind of isolating construction schematic diagram of fingerprint module of Fig. 2 for providing in the utility model embodiment;
A kind of structural representation of fingerprint module of Fig. 3 for providing in the utility model embodiment.
Embodiment
The utility model embodiment discloses a kind of flexible circuit board structure and fingerprint module of fingerprint module, solve because an elargol connection metal frame too increases technology difficulty, and elargol itself is also very expensive, and the technical problem that the cost caused increases.
Refer to Fig. 1, an embodiment of the flexible circuit board structure of a kind of fingerprint module provided in the utility model embodiment comprises:
The main portion of one and extension coupling part, main portion comprises:
Induction region 1 and windowed regions 2, induction region and windowed regions are set up by winding displacement electrical connection;
Induction region 1 is for welding the inductor of fingerprint module;
Windowed regions 2 is the outside being arranged on induction region 1 by paving copper mode.
Preferably, windowed regions 2 is for leaking copper region, and for the one side of conductive bond parts of fitting, another side and the metal frame of conductive bond parts fit.
Preferably, windowed regions 2 is a plurality of leakage copper point composition, is centered around the periphery place of induction region 1, and is the flaggy front edge one week of main portion around position.
Preferably, conductive bond parts are two-sided conducting resinl or two-sided conducting adhesive cloth.
Preferably, coupling part is extended for driving network.
The utility model embodiment provides a kind of flexible circuit board structure and fingerprint module of fingerprint module, the flexible circuit board structure of fingerprint module, comprise: the main portion of one and extension coupling part, main portion comprises: induction region 1 and windowed regions 2, and induction region 1 and windowed regions 2 are set up by winding displacement electrical connection; Induction region 1 is for welding the inductor of fingerprint module; Windowed regions 2 is the outside being arranged on induction region 1 by paving copper mode.In the present embodiment, it is the outside being arranged on induction region 1 by paving copper mode by windowed regions 2, when making connection metal frame, avoid the little ear or increase pad connection metal frame that use and increase, solve because an elargol connection metal frame too increases technology difficulty, and elargol itself is also very expensive, and the technical problem that the cost caused increases.
Refer to Fig. 2 and Fig. 3, an embodiment of a kind of fingerprint film group provided in the utility model embodiment comprises:
The flexible circuit board structure 12 of the fingerprint module of substrate 11, the as shown in Figure 1 embodiment of fitting successively from down to up, inductor 13 and metal frame 14;
As shown in Figure 1, the flexible circuit board structure 12 of fingerprint module comprises the main portion of one and extends coupling part;
Main portion comprises:
Induction region 1 and windowed regions 2, induction region 1 and windowed regions 2 are set up by winding displacement electrical connection;
Induction region 1 is for welding the inductor 13 of fingerprint module;
Windowed regions 2 is the outside being arranged on induction region 1 by paving copper mode.
Preferably, the flexible circuit board structure 12 of substrate 11, fingerprint module is connected by surface mounting technology from bottom to top with inductor 13.
Preferably, metal frame 14 is encapsulated in inductor 13 outside by the conductive bond parts on flexible circuit board structure 12 surface being fitted in fingerprint module.
Preferably, the size of the main portion of the flexible circuit board structure 13 of fingerprint module is consistent with substrate 11.
Preferably, substrate 11 is back side reinforcing chip.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
The utility model embodiment provides a kind of flexible circuit board structure and fingerprint module of fingerprint module, the flexible circuit board structure of fingerprint module, comprise: the main portion of one and extension coupling part, main portion comprises: induction region 1 and windowed regions 2, and induction region 1 and windowed regions 2 are set up by winding displacement electrical connection; Induction region 1 is for welding the inductor 13 of fingerprint module; Windowed regions 2 is the outside being arranged on induction region 1 by paving copper mode.In the present embodiment, it is the outside being arranged on induction region 1 by paving copper mode by windowed regions 2, when making connection metal frame 14, avoid the little ear or increase pad connection metal frame that use and increase, solve because an elargol connection metal frame 14 too increases technology difficulty, and elargol itself is also very expensive, and the technical problem that the cost caused increases.
In the present embodiment, aforesaid inductor 13 surface coating, prevents inductor surface to be corroded, and makes fingerprint module outward appearance abundanter.
Substrate 1 is the support component of whole touch-screen, needs certain rigid, is generally steel disc, epoxy resin composite material etc.
The flexible circuit board structure 12 of fingerprint module is made on flexible PCB by electric wiring, notes inductor to drive on network at front paving copper and surrounding is windowed when designed lines network.
Inductor 13 be by surface mounting technology technique by and to be fitted on the flexible circuit board structure 12 of fingerprint module (noting inductor paster direction).
Metal frame 14 is the leakage copper regions connecting inductor 13 surrounding on flexible PCB, and what the utility model adopted is that conducting resinl (cloth) is directly fitted.
Compared with prior art, the utility model is pasted metal frame and is used conducting resinl (cloth), coating thickness easily controls, and the glue that do not overflow, not yielding after laminating, metal frame surrounding tape thickness is even, can not occur that left and right is uneven due to a glue inequality, or there is gap and enter dust in some glue inequality, due to the utility model use conducting resinl directly and flexible PCB leak copper joint area, do not need to use elargol to connect in gluing process, thus cause the utility model technique simpler, thus cost is less.
Above the flexible circuit board structure of a kind of fingerprint module provided by the utility model and fingerprint module are described in detail, for one of ordinary skill in the art, according to the thought of the utility model embodiment, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a flexible circuit board structure for fingerprint module, comprise the main portion of one and extend coupling part, it is characterized in that, described main portion comprises:
Induction region and windowed regions, described induction region and described windowed regions are set up by winding displacement electrical connection;
Described induction region is for welding the inductor of fingerprint module;
Described windowed regions is the outside being arranged on described induction region by paving copper mode.
2. the flexible circuit board structure of fingerprint module according to claim 1, is characterized in that, described windowed regions is for leaking copper region, and for the one side of conductive bond parts of fitting, another side and the metal frame of described conductive bond parts fit.
3. the flexible circuit board structure of fingerprint module according to claim 2, is characterized in that, described windowed regions is a plurality of leakage copper point composition, is centered around the periphery place of described induction region, and is the flaggy front edge one week of described main portion around position.
4. the flexible circuit board structure of fingerprint module according to claim 2, is characterized in that, described conductive bond parts are two-sided conducting resinl or two-sided conducting adhesive cloth.
5. the flexible circuit board structure of fingerprint module as claimed in any of claims 1 to 4, is characterized in that,
Described extension coupling part is for driving network.
6. a fingerprint film group, is characterized in that, comprising:
The substrate of fitting successively from down to up, flexible circuit board structure, inductor and metal frame as the fingerprint module in claim 1 to 5 as described in any one;
The flexible circuit board structure of described fingerprint module comprises the main portion of one and extends coupling part;
Described main portion comprises:
Induction region and windowed regions, described induction region and described windowed regions are set up by winding displacement electrical connection;
Described induction region is for welding the inductor of fingerprint module;
Described windowed regions is the outside being arranged on described induction region by paving copper mode.
7. fingerprint film group according to claim 6, is characterized in that, the flexible circuit board structure of described substrate, described fingerprint module is connected by surface mounting technology from bottom to top with described inductor.
8. fingerprint film group according to claim 6, is characterized in that, described metal frame is encapsulated in described inductor outside by the conductive bond parts on the flexible circuit board structure surface being fitted in described fingerprint module.
9. fingerprint film group according to claim 6, is characterized in that, the size of the described main portion of the flexible circuit board structure of described fingerprint module is consistent with described substrate.
10. fingerprint film group according to claim 6, is characterized in that, described substrate is back side reinforcing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440372.6U CN204795881U (en) | 2015-06-24 | 2015-06-24 | Flexible circuit board structure and fingerprint module of fingerprint module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440372.6U CN204795881U (en) | 2015-06-24 | 2015-06-24 | Flexible circuit board structure and fingerprint module of fingerprint module |
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| Publication Number | Publication Date |
|---|---|
| CN204795881U true CN204795881U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520440372.6U Active CN204795881U (en) | 2015-06-24 | 2015-06-24 | Flexible circuit board structure and fingerprint module of fingerprint module |
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| CN (1) | CN204795881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082471A1 (en) * | 2016-11-01 | 2018-05-11 | 惠州Tcl移动通信有限公司 | Fingerprint recognition key, mobile terminal and mobile phone |
-
2015
- 2015-06-24 CN CN201520440372.6U patent/CN204795881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082471A1 (en) * | 2016-11-01 | 2018-05-11 | 惠州Tcl移动通信有限公司 | Fingerprint recognition key, mobile terminal and mobile phone |
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| GR01 | Patent grant | ||
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Effective date of registration: 20161228 Address after: 523000 Guangdong city in Dongguan Province town of Liaobu City Industrial Road No. 7 business business Patentee after: Guangdong Jinlong electromechanical Co., Ltd. Address before: 523000 Tangxia City, Dongguan Province town Peak Road, No. 1, Patentee before: Jinlong electromechanical (Dongguan) Co., Ltd. |