CN105069422A - Fingerprint identification module - Google Patents

Fingerprint identification module Download PDF

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Publication number
CN105069422A
CN105069422A CN201510454367.5A CN201510454367A CN105069422A CN 105069422 A CN105069422 A CN 105069422A CN 201510454367 A CN201510454367 A CN 201510454367A CN 105069422 A CN105069422 A CN 105069422A
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CN
China
Prior art keywords
cover plate
fingerprint recognition
annular conductive
ceramic cover
fingerprint identification
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Application number
CN201510454367.5A
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Chinese (zh)
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CN105069422B (en
Inventor
刘敏娟
霍明
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CERMATEC MATERIAL TECHNOLOGY Co Ltd
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CERMATEC MATERIAL TECHNOLOGY Co Ltd
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Priority to CN201510454367.5A priority Critical patent/CN105069422B/en
Publication of CN105069422A publication Critical patent/CN105069422A/en
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Publication of CN105069422B publication Critical patent/CN105069422B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/13Sensors therefor

Abstract

The present invention provides a fingerprint identification module. The fingerprint identification module (10) comprises a ceramic cover plate (12) and a fingerprint identification chip (13) which are arranged from top to bottom. An annular conductive part (121) is integratedly formed at the outer edge of the upper surface of the ceramic cover plate (12). The annular conductive part (121) and the fingerprint identification chip (13) are connected through a conductive wire (14). According to the fingerprint identification module, through integratedly forming the annular conductive part (121) with a conductive function at the outer edge of the upper surface of the ceramic cover plate, the annular conductive part can substitute a metal ring to realize the function of the metal ring, the problem of a height difference brought by the existence of the metal ring is avoided completely, the problems of finger cut by protruding edges and dust dead corners do not exist, structural parts are reduced, the problem of an assembly error is completely avoided, and the product precision is improved while the cost is saved.

Description

A kind of fingerprint recognition module
Technical field
The present invention relates to fingerprint identification technology field, particularly relate to a kind of fingerprint recognition module with fingerprint identification function.
Background technology
Fingerprint recognition is that a people is mapped with his fingerprint, is compared by the details that compares the different fingerprints of this people and the fingerprint preserved in advance, to verify the true identity of this person.Along with the development of science and technology, the application of fingerprint recognition is more and more extensive, and except gate inhibition, attendance checking system, notebook computer, mobile phone etc. achieve fingerprint identification function all with the equipment of touch screen.
Fig. 1 display be the structural representation of a kind of fingerprint recognition module that a kind of mobile phone uses, the module of fingerprint recognition shown in figure 10 comprises becket 11 from top to bottom successively, glass cover-plate 12 and fingerprint recognition chip 13, becket 11 is connected by wire 14 with fingerprint recognition chip 13.When needing to carry out fingerprint recognition, when finger is placed on line identification module 10 by user, becket 11 can sense charge variation signal during finger touching, this signal passes to fingerprint recognition chip 13 by wire 14, thus can open fingerprint recognition when pressing any physics key mapping.
Above-mentioned fingerprint recognition module 10 Problems existing is, becket 11 arranges around glass cover-plate 12 and gives prominence to outside the upper surface of glass cover-plate 12, its outstanding easy scratching fingers in edge, and there is difference in height due to becket 11 and the upper surface of glass cover-plate 12, feel unsmooth when user touches and affect operating experience, and difference in height therebetween easily forms the dead angle of dust and accumulation of dirt, be difficult to remove.In addition, because becket 11 and glass cover-plate 12 exist obvious aberration, visual experience is very poor, affects the perception of product appearance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fingerprint recognition module, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the present invention proposes a kind of fingerprint recognition module, described fingerprint recognition module comprises ceramic cover plate and fingerprint recognition chip from top to bottom successively; Wherein, the outer ledge of the upper surface of described ceramic cover plate is formed with an annular conductive portion, is connected between described annular conductive portion and described fingerprint recognition chip by wire.
Preferably, described annular conductive portion is made up of the graphite infiltrated in described ceramic cover plate by sintering.
Preferably, the side of described ceramic cover plate is formed with the electrical connection section extended out from described annular conductive portion, and described electrical connection section is electrically connected with one end of described wire, and the other end and the described fingerprint recognition chip electrical of described wire connect.
Preferably, described electrical connection section is made up of the graphite infiltrated in described ceramic cover plate by sintering.
Fingerprint recognition module of the present invention is integrally formed as the annular conductive portion possessing conducting function by the outer ledge of the upper surface by ceramic cover plate, the annular conductive portion that this can be conducted electricity can realize the function of becket by alternative metals ring, thoroughly avoid the problem of the difference in height that the existence due to becket brings, there is outstanding edge torn finger and the problem at dust dead angle never again, decrease structure member, there is not the problem of assembly error completely, saved cost and improve Product Precision simultaneously.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein,
Fig. 1 display be the structural representation of a kind of fingerprint recognition module that a kind of mobile phone uses;
Fig. 2 display be the structural representation of fingerprint recognition module according to a specific embodiment of the present invention.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.Wherein, identical parts adopt identical label.
Based on the defect of the fingerprint recognition module that background technology part is mentioned, the present invention proposes the fingerprint recognition module that a kind of structure is improved, described fingerprint recognition module can be used for mobile phone, TV, panel computer, notebook computer, comprises the electronic equipment such as industrial lathe, navigating instrument of touch display screen.
Fig. 2 display be the structural representation of fingerprint recognition module according to a specific embodiment of the present invention, wherein, fingerprint recognition module represents with Reference numeral 10 on the whole, and as figure, fingerprint recognition module 10 of the present invention comprises ceramic cover plate 12 and fingerprint recognition chip 13 from top to bottom successively; Wherein, the outer ledge of the upper surface of ceramic cover plate 12 is formed with an annular conductive portion 121, is connected between annular conductive portion 121 and fingerprint recognition chip 13 by wire 14.
With Fig. 1 unlike, the present invention eliminates the becket in Fig. 1 completely, replace an annular conductive portion 121 formed as one with ceramic cover plate 12, thoroughly avoid the problem of the difference in height that the existence due to becket brings, there is outstanding edge torn finger and the problem at dust dead angle never again.Should be noted that, the ring texture that annular conductive portion 121 in the present invention indicates with the mode shape of shade and dotted line is in fig. 2 fully formed with ceramic cover plate 12 and is integrated, be exactly same parts completely, just by technological means the outer ledge of the upper surface of ceramic cover plate 12 become and possess conducting function, the annular conductive portion 121 that this can be conducted electricity can realize the function of becket by the becket in alternate figures 1, decrease structure member, there is not the problem of assembly error completely, saved cost and improve Product Precision simultaneously.
The ceramic cover plate adopted in the present invention has intensity compared to glass cover-plate and hardness is larger, good hand touch, lightweight feature, and it is convenient by injection moulding sinter molding, with low cost.In a specific embodiment, annular conductive portion 121 can by the graphite infiltrated by sintering in ceramic cover plate 12 form that (graphite possesses good electric conductivity, therefore can become can conduct electricity by the sintering region be permeated with on the ceramic cover plate of graphite), such as, in the process manufacturing ceramic cover plate 12, first by the base substrate of the ceramic cover plate of injection mo(u)lding through dewaxing, after degreasing, part beyond region, annular conductive portion 121 is passed through cover plate by the base substrate of described ceramic cover plate, covering up of mould and so on, then by the heat-agglomerating together in vacuum drying oven of the base substrate of described ceramic cover plate, infiltrate after described graphite gasification not by the part covered thus form the annular conductive portion 121 containing graphite possessing conducting function.
In a specific embodiment, ceramic cover plate 12 adopts black ceramic to make, and the annular conductive portion 121 that sintering is permeated with graphite is also black, then can not there is any aberration therebetween, and visual experience is better, and the perception of product appearance is better.
In another specific embodiment, the side of ceramic cover plate 12 is formed with the electrical connection section 122 extended out from annular conductive portion 121, and described electrical connection section 122 is electrically connected with one end of wire 14, and the other end of described wire 14 is electrically connected with fingerprint recognition chip 13.In the present embodiment, the thickness being permeated with the annular conductive portion 121 of graphite due to sintering may only need several micron just can obtain required function, annular conductive portion 121 can be very little with the join domain of wire 14, operate inconvenience, therefore the electrical connection section 122 being used for connecting wire 14 is arranged on the side of ceramic cover plate 12 by the present embodiment, thus indirectly annexation can be formed by electrical connection section 122 with annular conductive portion 121, solve the problem of attended operation difficulty.
In another specific embodiment, electrical connection section 122 is be made up of the graphite infiltrated in ceramic cover plate 12 by sintering equally.That is, electrical connection section 122 can be formed while formation annular conductive portion 121, adopts and forms the same step in annular conductive portion 121, as long as expose the position forming electrical connection section 122 when sintering.
In sum, fingerprint recognition module of the present invention is integrally formed as the annular conductive portion possessing conducting function by the outer ledge of the upper surface by ceramic cover plate, the annular conductive portion that this can be conducted electricity can realize the function of becket by alternative metals ring, thoroughly avoid the problem of the difference in height that the existence due to becket brings, there is outstanding edge torn finger and the problem at dust dead angle never again, decrease structure member, there is not the problem of assembly error completely, saved cost and improve Product Precision simultaneously.
Although it will be appreciated by those skilled in the art that the present invention is described according to the mode of multiple embodiment, not each embodiment only comprises an independently technical scheme.So describe in instructions be only used to clear for the purpose of; instructions should integrally be understood by those skilled in the art, and regards technical scheme involved in each embodiment as the mode that mutually can be combined into different embodiment to understand protection scope of the present invention.
The foregoing is only the schematic embodiment of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present invention and principle, amendment and combination, all should belong to the scope of protection of the invention.

Claims (4)

1. a fingerprint recognition module, is characterized in that, described fingerprint recognition module (10) comprises ceramic cover plate (12) and fingerprint recognition chip (13) from top to bottom successively; Wherein, the outer ledge of the upper surface of described ceramic cover plate (12) is formed with an annular conductive portion (121), is connected between described annular conductive portion (121) and described fingerprint recognition chip (13) by wire (14).
2. fingerprint recognition module as claimed in claim 1, is characterized in that, described annular conductive portion (121) is made up of the graphite infiltrated in described ceramic cover plate (12) by sintering.
3. fingerprint recognition module as claimed in claim 1 or 2, it is characterized in that, the side of described ceramic cover plate (12) is formed with the electrical connection section (122) extended out from described annular conductive portion (121), described electrical connection section (122) is electrically connected with one end of described wire (14), and the other end of described wire (14) is electrically connected with described fingerprint recognition chip (13).
4. fingerprint recognition module as claimed in claim 1 or 2, is characterized in that, described electrical connection section (122) is made up of the graphite infiltrated in described ceramic cover plate (12) by sintering.
CN201510454367.5A 2015-07-29 2015-07-29 Fingerprint identification module Active CN105069422B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510454367.5A CN105069422B (en) 2015-07-29 2015-07-29 Fingerprint identification module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510454367.5A CN105069422B (en) 2015-07-29 2015-07-29 Fingerprint identification module

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CN105069422A true CN105069422A (en) 2015-11-18
CN105069422B CN105069422B (en) 2020-01-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107506741A (en) * 2017-09-05 2017-12-22 惠州Tcl移动通信有限公司 A kind of fingerprint collecting method and terminal device
CN107992191A (en) * 2017-10-30 2018-05-04 捷开通讯(深圳)有限公司 A kind of electronic equipment and its control method, camera of electronic equipment module

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103793688A (en) * 2014-01-23 2014-05-14 深圳市汇顶科技股份有限公司 Biometric feature recognition device and electronic equipment
CN104156710A (en) * 2014-08-26 2014-11-19 南昌欧菲生物识别技术有限公司 Fingerprint recognition device and terminal device
CN204203987U (en) * 2014-10-20 2015-03-11 上海思立微电子科技有限公司 A kind of fingerprint detection assembly and fingerprint recognition module
US20150071509A1 (en) * 2013-09-10 2015-03-12 Apple Inc. Biometric Sensor Stack Structure
CN104637892A (en) * 2015-01-27 2015-05-20 华进半导体封装先导技术研发中心有限公司 Packaging structure and packaging method for fingerprint identification module
CN104700080A (en) * 2015-03-06 2015-06-10 南昌欧菲生物识别技术有限公司 Fingerprint recognition module and touch screen based on fingerprint recognition
CN204466108U (en) * 2015-04-16 2015-07-08 北京赛乐米克材料科技有限公司 A kind of black ceramic parts for electronic equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150071509A1 (en) * 2013-09-10 2015-03-12 Apple Inc. Biometric Sensor Stack Structure
CN103793688A (en) * 2014-01-23 2014-05-14 深圳市汇顶科技股份有限公司 Biometric feature recognition device and electronic equipment
CN104156710A (en) * 2014-08-26 2014-11-19 南昌欧菲生物识别技术有限公司 Fingerprint recognition device and terminal device
CN204203987U (en) * 2014-10-20 2015-03-11 上海思立微电子科技有限公司 A kind of fingerprint detection assembly and fingerprint recognition module
CN104637892A (en) * 2015-01-27 2015-05-20 华进半导体封装先导技术研发中心有限公司 Packaging structure and packaging method for fingerprint identification module
CN104700080A (en) * 2015-03-06 2015-06-10 南昌欧菲生物识别技术有限公司 Fingerprint recognition module and touch screen based on fingerprint recognition
CN204466108U (en) * 2015-04-16 2015-07-08 北京赛乐米克材料科技有限公司 A kind of black ceramic parts for electronic equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107506741A (en) * 2017-09-05 2017-12-22 惠州Tcl移动通信有限公司 A kind of fingerprint collecting method and terminal device
CN107992191A (en) * 2017-10-30 2018-05-04 捷开通讯(深圳)有限公司 A kind of electronic equipment and its control method, camera of electronic equipment module

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