CN105303178B - Light conducting plate structure for fingerprint collecting light source - Google Patents

Light conducting plate structure for fingerprint collecting light source Download PDF

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Publication number
CN105303178B
CN105303178B CN201510697525.XA CN201510697525A CN105303178B CN 105303178 B CN105303178 B CN 105303178B CN 201510697525 A CN201510697525 A CN 201510697525A CN 105303178 B CN105303178 B CN 105303178B
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China
Prior art keywords
sheet glass
conducting plate
plate structure
ink layer
metal layer
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CN201510697525.XA
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Chinese (zh)
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CN105303178A (en
Inventor
吕军
刘辰
黄双武
沙长青
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Suzhou Keyang Semiconductor Co., Ltd
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SUZHOU KEYANG PHOTOELECTRIC TECHNOLOGY Co Ltd
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Priority to CN201510697525.XA priority Critical patent/CN105303178B/en
Publication of CN105303178A publication Critical patent/CN105303178A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; 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
    • G06V40/1318Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing

Abstract

The present invention discloses kind of the light conducting plate structure for being used for fingerprint collecting light source, the light conducting plate structure is installed on plastic stent upper surface, the plastic stent and several LED light emitting diodes, the plastic stent middle section is vacancy section, including sheet glass, the top surface edge region of the sheet glass is disposed with metal layer from the bottom up, ink layer, the lower surface edge region of the sheet glass is disposed with metal layer from top to bottom, ink layer, the LED light emitting diode is located at glass sheet periphery and is close to sheet glass end face, the width of the metal layer is greater than 0.3mm, the width of ink layer is greater than 0.3mm, the width of ink layer is not less than metal layer.The present invention is conducive to for the light source of LED light being oriented to, so that light further increases the precision of fingerprint recognition in upper and lower surface multiple reflections and refraction.

Description

Light conducting plate structure for fingerprint collecting light source
Technical field
The present invention relates to a kind of light conducting plate structures for fingerprint collecting light source, belong to technical field of semiconductor encapsulation.
Background technique
Along with the development of development of Mobile Internet technology, mobile Internet terminal user identification information safety problem is increasingly It is prominent, end of appearing in the newspapers repeatly the case where identity identification information is stolen and personation due to causes user's economic loss.Conventional password formula identity Identifying schemes, there is low efficiency, time-consuming, safety is low and it is cumbersome the problems such as, gradually become current mobile interchange The universal short slab problem of network technology development.Fingerprint identification technology as the unique biological characteristic of user can efficiently solve above-mentioned ask Topic.
For the design scheme of the circuit of light sources of such optical finger print identification, there is no relevant sources before biological field The design scheme of circuit can follow.
Summary of the invention
It is an object of the present invention to provide a kind of light conducting plate structure for fingerprint collecting light source, which guarantees fingerprint The intensity of illumination that chip surrounding is received be it is equal, further increase the precision of bio-identification mould group identification, and reduce device The response time of part.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: it is a kind of for fingerprint collecting light source leaded light it is hardened Structure, the light conducting plate structure is installed on plastic stent upper surface, the plastic stent and several LED light emitting diodes, described Plastic stent middle section is vacancy section, including sheet glass, the top surface edge region of the sheet glass are set gradually from the bottom up There are metal layer, ink layer, the lower surface edge region of the sheet glass is disposed with metal layer, ink layer, institute from top to bottom It states LED light emitting diode to be located at glass sheet periphery and be close to sheet glass end face, the width of the metal layer is greater than 0.3mm, ink The width of layer is greater than 0.3mm, and the width of ink layer is not less than metal layer.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, the glass sheet shapes are rectangle, square, circle, track type or ellipse.
2. in above scheme, several described LED light emitting diodes are equally spaced in glass sheet periphery.
3. in above scheme, the ink layer be organic black coating or inorganic ferrous metal layer or it is organic with Inorganic mixing black coating.
4. in above scheme, the sheet glass is tempered glass, size is not less than 4mm*4mm, this glass sheet thickness 0.1mm or more.
5. in above scheme, the ink film thickness is 0.1 μm or more.
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art:
1. the present invention is used for the light conducting plate structure of fingerprint collecting light source, be conducive to for the light source of LED light being oriented to, So that light is in upper and lower surface multiple reflections and refraction, light be evenly distributed be conducive to more accurately by biological information carry out at Picture greatly reduces the volume of fingerprint recognition circuit of light sources.
2. the present invention is used for the light conducting plate structure of fingerprint collecting light source, the LED luminous two on the upper and lower side of plastic stent Pole pipe number is equal, and the LED light emitting diode number on the left and right side of plastic stent is equal, upper under, LED number of left and right Be it is equal, guarantee the intensity of illumination that is received of fingerprint chip surrounding be it is equal, further increase the identification of bio-identification mould group Precision.
Detailed description of the invention
Attached drawing 1 is the light conducting plate structure structural schematic diagram that the present invention is used for fingerprint collecting light source;
Attached drawing 2 is the light conducting plate structure partial structural diagram that the present invention is used for fingerprint collecting light source.
In the figures above: 1, plastic stent;2, LED light emitting diode;3, vacancy section;4, annular cathode metal line;5, ring Shape negative metal line;6, cathode metal solder joint;7, negative metal solder joint;8, first through hole;9, the first metallic conduction post;10, Two through-holes;11, the second metallic conduction post;12, titanium copper is layered;13, copper conduction is layered;14, tin conduction is layered;16, sheet glass; 17, metal layer;18, ink layer.
Specific embodiment
The present invention will be further described below with reference to examples:
Embodiment 1: a kind of light conducting plate structure for fingerprint collecting light source, the light conducting plate structure are installed on plastic stent 1 upper surface, the plastic stent 1 and several LED light emitting diodes 2,1 middle section of plastic stent are vacancy section 3, packet Sheet glass 16 is included, the top surface edge region of the sheet glass 16 is disposed with metal layer 17, ink layer 18 from the bottom up, described The lower surface edge region of sheet glass 16 is disposed with metal layer 17, ink layer 18, the LED light emitting diode from top to bottom 2 are located at 16 periphery of sheet glass and are close to 16 end face of sheet glass, and the width of the metal layer 17 is greater than 0.3mm, the width of ink layer 18 Degree is greater than 0.3mm, and the width of ink layer is not less than metal layer.
Above-mentioned 16 shape of sheet glass is rectangle.Above-mentioned ink layer 18 is organic black coating.
Above-mentioned sheet glass 16 is tempered glass, and size is not less than 4mm*4mm, this 16 thickness 0.1mm of sheet glass or more.
Above-mentioned ink layer 18 is with a thickness of 0.1 μm or more.
Embodiment 2: a kind of light conducting plate structure for fingerprint collecting light source, the light conducting plate structure are installed on plastic stent 1 upper surface, the plastic stent 1 and several LED light emitting diodes 2,1 middle section of plastic stent are vacancy section 3, packet Sheet glass 16 is included, the top surface edge region of the sheet glass 16 is disposed with metal layer 17, ink layer 18 from the bottom up, described The lower surface edge region of sheet glass 16 is disposed with metal layer 17, ink layer 18, the LED light emitting diode from top to bottom 2 are located at 16 periphery of sheet glass and are close to 16 end face of sheet glass, and the width of the metal layer 17 is greater than 0.3mm, the width of ink layer 18 Degree is greater than 0.3mm, and the width of ink layer is not less than metal layer.
Above-mentioned 16 shape of sheet glass is square.Several above-mentioned LED light emitting diodes 2 are equally spaced in sheet glass 16 peripheries.
Above-mentioned ink layer 18 is inorganic mixing black coating.
Above-mentioned sheet glass 16 is tempered glass, and size is not less than 4mm*4mm, this 16 thickness 0.1mm of sheet glass or more.
When acquiring light-source structure using above-mentioned novel finger print, be conducive to for the light source of LED light being oriented to, so that light In upper and lower surface multiple reflections and refraction, light, which is evenly distributed, is conducive to that more accurately biological information is imaged, and subtracts significantly The volume of fingerprint recognition circuit of light sources is lacked;Secondly, the LED light emitting diode number on the upper and lower side of its plastic stent is equal, modeling Expect that the LED light emitting diode number on the left and right side of bracket is equal, it is upper under, LED number of left and right be it is equal, guarantee to refer to The intensity of illumination that line chip surrounding is received be it is equal, further increase bio-identification mould group identification precision.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of light conducting plate structure for fingerprint collecting light source, the light conducting plate structure is installed on plastic stent (1) upper surface, The plastic stent (1) and several LED light emitting diodes (2), plastic stent (1) middle section are vacancy section (3), Be characterized in that: the top surface edge region including sheet glass (16), the sheet glass (16) is disposed with metal layer from the bottom up (17), ink layer (18), the lower surface edge region of the sheet glass (16) are disposed with metal layer (17), oil from top to bottom Layer of ink (18), the LED light emitting diode (2) are located at sheet glass (16) periphery and are close to sheet glass (16) end face, the metal The width of layer (17) is greater than 0.3mm, and the width of ink layer (18) is greater than 0.3mm, and the width of ink layer is not less than metal layer.
2. light conducting plate structure according to claim 1, it is characterised in that: sheet glass (16) shape is rectangle, pros Shape, circle, track type or ellipse.
3. light conducting plate structure according to claim 1, it is characterised in that: between several described LED light emitting diodes (2) etc. Sheet glass (16) periphery is distributed in every ground.
4. light conducting plate structure according to claim 1, it is characterised in that: the ink layer (18) be organic black coating or The inorganic ferrous metal layer of person or organic and inorganic mixing black coating.
5. light conducting plate structure according to claim 1, it is characterised in that: the sheet glass (16) is tempered glass, ruler It is very little to be not less than 4mm*4mm, this sheet glass (16) thickness 0.1mm or more.
6. light conducting plate structure according to claim 1, it is characterised in that: the ink layer (18) is with a thickness of 0.1 μm or more.
CN201510697525.XA 2015-10-26 2015-10-26 Light conducting plate structure for fingerprint collecting light source Active CN105303178B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510697525.XA CN105303178B (en) 2015-10-26 2015-10-26 Light conducting plate structure for fingerprint collecting light source

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Application Number Priority Date Filing Date Title
CN201510697525.XA CN105303178B (en) 2015-10-26 2015-10-26 Light conducting plate structure for fingerprint collecting light source

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CN105303178A CN105303178A (en) 2016-02-03
CN105303178B true CN105303178B (en) 2019-06-25

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107451554B (en) * 2017-07-27 2020-07-21 维沃移动通信有限公司 Fingerprint module and mobile terminal

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN101751186A (en) * 2009-12-30 2010-06-23 鸿富锦精密工业(深圳)有限公司 Touch electronic device and control method thereof
CN203561974U (en) * 2013-03-28 2014-04-23 深圳莱宝高科技股份有限公司 Panel structure
CN103778410A (en) * 2014-01-10 2014-05-07 南昌欧菲光科技有限公司 Capacitive biometric feature recognition sensor
CN104035620A (en) * 2014-06-20 2014-09-10 深圳印象认知技术有限公司 Optical sensing key, touch screen, fingerprint collecting device and electronic device
CN204242200U (en) * 2014-08-26 2015-04-01 南昌欧菲生物识别技术有限公司 Fingerprint identification device and terminal device
CN205451093U (en) * 2015-10-26 2016-08-10 苏州科阳光电科技有限公司 A light guide plate structure for fingerprint collection light source

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020007575A1 (en) * 2000-05-25 2002-01-24 Comercial & Construtora Barcha Ltda. Prismatic advertising billboard and actuating device therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101751186A (en) * 2009-12-30 2010-06-23 鸿富锦精密工业(深圳)有限公司 Touch electronic device and control method thereof
CN203561974U (en) * 2013-03-28 2014-04-23 深圳莱宝高科技股份有限公司 Panel structure
CN103778410A (en) * 2014-01-10 2014-05-07 南昌欧菲光科技有限公司 Capacitive biometric feature recognition sensor
CN104035620A (en) * 2014-06-20 2014-09-10 深圳印象认知技术有限公司 Optical sensing key, touch screen, fingerprint collecting device and electronic device
CN204242200U (en) * 2014-08-26 2015-04-01 南昌欧菲生物识别技术有限公司 Fingerprint identification device and terminal device
CN205451093U (en) * 2015-10-26 2016-08-10 苏州科阳光电科技有限公司 A light guide plate structure for fingerprint collection light source

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Address after: 215143, No. 568, Fang Qiao Road, Lake Industrial Park, Xiangcheng Economic Development Zone, Jiangsu, Suzhou

Patentee after: Suzhou Keyang Semiconductor Co., Ltd

Address before: 215143, No. 568, Fang Qiao Road, Lake Industrial Park, Xiangcheng Economic Development Zone, Jiangsu, Suzhou

Patentee before: SUZHOU KEYANG PHOTOELECTRIC TECHNOLOGY CO., LTD.