CN101656299A - Touch luminous element, manufacturing method thereof and fingerprint identification device - Google Patents
Touch luminous element, manufacturing method thereof and fingerprint identification device Download PDFInfo
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- CN101656299A CN101656299A CN200810214013A CN200810214013A CN101656299A CN 101656299 A CN101656299 A CN 101656299A CN 200810214013 A CN200810214013 A CN 200810214013A CN 200810214013 A CN200810214013 A CN 200810214013A CN 101656299 A CN101656299 A CN 101656299A
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Abstract
The invention relates to a touch luminous element capable of being thinned and increasing the luminance of a light composition to improve the quality of fingerprint images, a manufacturing method thereof and a fingerprint identification device using the touch luminous element. The touch luminous element comprises a transparent insulating layer (11), a transparent electrode layer (12) formed on thetransparent insulating layer, a luminous layer (13) formed on the transparent electrode layer, a permeation regulating layer (14) formed on the luminous layer, a light shading layer (15) formed on the permeation regulating layer, a first protective layer (16) formed on the light shading layer, and a second protective layer (17) formed on the first protective layer and having wear resistance.
Description
Technical field
The present invention relates to touch luminous element and its manufacture method and use the fingerprint identification device of this touch luminous element, in more detail, relating to can slimming, increase the briliancy of light-composited film, thus improve fingerprint image quality touch luminous element and its manufacture method and use the fingerprint identification device of this touch luminous element.
Background technology
As the life entity recognition device, the fingerprint recognition element is arranged, fingerprint identification device is made of light source, prism (prism), lens (lens), imageing sensor (image sensor) and control assembly.
If finger contact prism surface after the light transmission prism that light source produces, shines the finger of contact prism.Shine light on the finger and be transformed into after the light-composited film based on the protuberance of fingerprint and valley line part, shine on the imageing sensor by prism, imageing sensor is exported after it is transformed into electric signal.The control part reception is from the electric signal of imageing sensor output, and the fingerprint generation fingerprint image according to finger after this fingerprint image is calculated singular point, compares with the fingerprint image that stores in advance, thereby confirms identity.
The problem that invention will solve
Yet, the optical fingerprint recognition device of existing use light source or prism is owing to used optical system such as prism, be difficult to slimming, owing to shone light on the finger of contact prism, the protuberance of fingerprint and valley line can produce scattered light, and the briliancy that makes light reduces, the problems such as quality reduction of fingerprint image thereby have.
The objective of the invention is in order to solve described problem points, providing can slimming, increase the briliancy of light-composited film, improves touch luminous element and its manufacture method of fingerprint image quality and uses its fingerprint identification device.
Be used to solve the method for problem
In order to realize such purpose, touch luminous element of the present invention is characterised in that and comprises: transparent insulating layer; Transparent electrode layer is formed on the transparent insulating layer, connects AC power, accepts Alternating Current Power Supply; Luminescent layer is formed on the transparent electrode layer, behind the contact object, flows through the electric field that object produces by the interchange of supplying with transparent electrode layer, produces the light-composited film based on the contact-making surface composition of luminous object, by transparent electrode layer, and the irradiation transparent insulating layer; Soak into regulating course, be formed on the luminescent layer, the adjusting black pigment soaks into to luminescent layer, prevents exterior light infiltration luminescent layer; Light shield layer is formed at and soaks on the regulating course, prevents from that exterior light from seeing through to soak into regulating course; First protective layer is formed on the light shield layer, prevents that moisture from soaking into light shield layer, provides cohesive force; With second protective layer that is formed on first protective layer with mar proof.
The manufacture method of touch luminous element of the present invention is characterised in that and comprises: transparent insulating layer is provided; Use sputter (spattering) or evaporation coating method on transparent insulating layer, to plate indium tin oxide (ITO) material, form hyaline layer; With polymer viscose glue 20～30wt%, retarder (retarder) 35～39wt%, luminous element powder 40～50wt% and briliancy and form and aspect are plated on the transparency electrode with stencil after regulating additive 0.1～5wt% mixing, form luminescent layer; With polymer viscose glue 15～35wt%, black pigment 5～25wt%, retarder 20～35wt%, plasticizer 10～15wt% and BaTiO
3Powder 42～63wt% mixes, and is plated on the luminescent layer with stencil, forms and soaks into regulating course; With black pigment 1～5wt%, after polyester (polyester) 5～30wt%, ethylene glycol monoethylether acetate 15～23wt% and dimethylbenzene (xylene) 50～71wt% mix, be plated in silk screen print method and soak on the layer, form light shield layer; With black pigment 5～10wt%, fluororesin 5～15wt%, acrylic resin 10～25wt%, retarder 11～22wt%, plasticizer 5～15wt% and BaTiO
3Powder 40～55wt% is plated on the light shield layer with silk screen print method after mixing, and forms first protective layer; With alkyd resins 10～25wt%, melmac 5～35wt%, hydropolymer 1～35wt%, ethylene glycol monoethylether acetate 5～10wt%, acrylic acid (class) resin 10～35wt% and silicon dioxide (SiO
2) powder 0.1～2wt% mixes the back and be plated on first protective layer with silk screen print method, forms second protective layer.
Fingerprint identification device of the present invention is characterised in that and comprises:
Touch luminous element comprises: transparent insulating layer; Transparent electrode layer is formed on the transparent insulating layer, connects AC power, accepts Alternating Current Power Supply; Luminescent layer is formed at the transparent electrode layer upside, behind the contact object, flows through the electric field that object produces by the alternating current of supplying with transparent electrode layer, produces the light-composited film based on the contact-making surface composition of luminous object, by transparent electrode layer, and the irradiation transparent insulating layer; Soak into regulating course, be formed on the luminescent layer, the adjusting black pigment soaks into to luminescent layer, prevents exterior light intrusion luminescent layer; Light shield layer is formed at and soaks on the regulating course, prevents from that exterior light from seeing through to soak into regulating course; First protective layer is formed on the light shield layer, prevents that moisture from soaking into light shield layer, provides cohesive force; With second protective layer that is formed on first protective layer with resistance to wear;
Be formed at the transparent insulating layer below of touch luminous element, the translucent adhesive layer of cohesive force is provided; With
Be positioned at the imageing sensor of transparent bonding layer below, the cohesive force that provides by transparent bonding layer detects the light-composited film that sees through transparent insulating layer, exports after being transformed into electric signal.
The effect of invention
Touch luminous element of the present invention is with its manufacture method and use its fingerprint identification device contacting under the situation of object, in object, flow through alternating current and produce electric field, contact-making surface composition according to object produces light-composited film thus, thereby can make slim fingerprint identification device, by on luminescent layer, adding briliancy and form and aspect adjusting additive, has the advantage of the briliancy that can improve light-composited film.
Description of drawings
Fig. 1 is the sectional view of touch luminous element of the present invention.
Fig. 2 is the figure that shows the manufacture method of touch luminous element of the present invention.
Fig. 3 is the flow chart that shows the manufacture method of polymer viscose glue shown in Figure 2.
Fig. 4 a to Fig. 4 h is the table that shows the sample mixed ratio of touch luminous element.
Fig. 5 a and Fig. 5 b are to use the pie graph of the fingerprint identification device of touch luminous element of the present invention.
Symbol description:
10: touch luminous element
11: transparent insulating layer
12: transparent electrode layer
13: luminescent layer
14: soak into regulating course
15: light shield layer
16: the first protective layers
17: the second protective layers
18: lead terminal
20: AC power
100: fingerprint identification device
The preferred forms that carries out an invention
Below by with reference to the accompanying drawings, to touch luminous element according to the present invention and its manufacture method and use its fingerprint identification device to describe.
Fig. 1 is the sectional view of touch luminous element of the present invention, and Fig. 4 a to Fig. 4 h is the table that shows the sample mixed ratio of touch luminous element.
As Fig. 1, shown in Fig. 4 a to Fig. 4 h, touch luminous element 10 of the present invention is by transparent insulating layer 11, transparent electrode layer 12, and luminescent layer 13 soaks into regulating course 14, and light shield layer 15, the first protective layers 16 and second protective layer 17 constitute.
The polymer viscose glue of luminescent layer 13 is shown in Fig. 4 b, be by mixed viscose 30～65wt%, retarder 40～65wt% and epoxy resin 10～55wt% form, mixed viscose is made up of polyvinyl butyral (polyvinyl butyral) 20～35wt% and ethylene glycol monoethylether acetate 65～80wt% shown in Fig. 4 c.One of epoxy resin has adopted bisphenol-A (bispenol-A) epoxy resin, in phenol novolac and the cresols novolac, the luminous element powder has adopted zinc sulphide (ZnS), one of strontium sulfide (SrS) and zinc oxide (ZnO).Briliancy and form and aspect are regulated additive according to briliancy and the form and aspect set, adopt manganese (Mn), copper (Cu), chlorine (Cl), aluminium (Al), iodine (I), terbium (terbium:Tb), one of fluorine (F).In addition, in order to increase glorious degrees, briliancy and form and aspect are regulated in the additive and are also contained brium carbonate (BaTiO
3) powder or black pigment 20～45wt%.
Soak into regulating course 14 and be formed on the luminescent layer 13, be used for regulating black pigment, prevent that exterior light from invading luminescent layer 13 to the soaking into of luminescent layer 13.Shown in Fig. 4 d, soak into regulating course 14 by polymer viscose glue 15～35wt%, black pigment 5～25wt%, retarder 20～35wt%, plasticizer 10～15wt% and BaTiO
3Powder 42～63wt% forms.
The polymer viscose glue that soaks into regulating course 14 is shown in Fig. 4 b, and by mixed viscose 30～65wt%, retarder 40～65wt% and epoxy resin 10～55wt% form.Mixed viscose is shown in Fig. 4 c, form by polyvinyl butyral 20～35wt% and ethylene glycol monoethylether acetate 65～80wt%, adopt bis phenol-a epoxy resins, one of phenol novolac and cresols novolac, plasticizer adopts N-cyclohexyl-p-toluenesulfonamide, N-ethyl-p-toluenesulfonamide, one of dimethyl formamide and repefral, black pigment adopts hydrocarbon black powder.
First protective layer 16 is formed on the light shield layer 15, prevents that moisture from soaking into light shield layer 15, provides cohesive force.First protective layer 16 like this shown in Fig. 4 f, by black pigment 5～10wt%, fluororesin 5～15wt%, acrylic resin 10～25wt%, retarder 11～22wt%, plasticizer 5～15wt% and BaTiO
3Powder 40～55wt% forms, and black pigment can adopt hydrocarbon black powder.
Second protective layer 17 is formed at the upside of first protective layer 16, has mar proof.Second protective layer 17 like this is shown in Fig. 4 g and Fig. 4 h; by alkyd resins 10～25wt%, melamine 5～35wt%, hydropolymer 1～35wt%; ethylene glycol monoethylether acetate 5～10wt%, acrylic resin 10～35wt% and SiO 2 powder 0.1～2wt% form.Especially, soak into first protective layer 16 in order to prevent moisture, hydropolymer adopts hydrophobic polymer or resistant to pollution hydrophilic polymer; shown in Fig. 4 g; hydrophobic polymer content can be 1～5wt%, and shown in Fig. 4 h, hydrophilic polymer content can be 25～35wt%.
The manufacture method that has the touch luminous element of the present invention 10 of described formation below with reference to description of drawings.
Fig. 2 has shown the manufacture method of touch luminous element of the present invention, and Fig. 3 has shown the flow chart of the manufacture method of polymer viscose glue shown in Figure 2, and Fig. 4 a to 4h is the table that shows the sample mixed ratio of touch luminous element.
The manufacture method that Fig. 2, Fig. 3, Fig. 4 a to Fig. 4 h have shown touch luminous element of the present invention at first provides transparent insulating layer 11 (S10).After transparent insulating layer 11 is provided, with the method for sputter or evaporation the ITO material is plated on the transparent insulating layer 11, form transparent electrode layer 12 (S20).The manufacture method of such transparent electrode layer 12 forms with translucent adhesive (not shown) bonding ITO diaphragm (not shown).In addition, step S20 also possesses the technology (S80) that connection is used for supplying with to transparent electrode layer 12 lead terminal 18 of alternating currents.
After forming transparent electrode layer 12, with polymer viscose glue 20～30wt%, retarder 35～39wt% is after luminous element powder 40～50wt% and briliancy and form and aspect are regulated additive 0.1～5wt% mixing, be plated on the transparent electrode layer 12 with stencil, form luminescent layer 13 (S30).When forming luminescent layer 13, the luminous element powder adopts zinc sulphide (ZnS), one of strontium sulfide (SrS) and zinc oxide (ZnO), briliancy and form and aspect are regulated additive according to briliancy and the form and aspect set, adopt manganese (Mn), copper (Cu), chlorine (Cl), aluminium (Al), iodine (I), terbium (terbium:Tb), one of fluorine (F), in order to increase the glorious degrees of luminescent layer 13, briliancy and form and aspect are regulated in the additive and are also contained BaTiO
3Powder or black pigment 20～45wt%.
After forming luminescent layer 13, with polymer viscose glue 15～35wt%, black pigment 5～25wt%, retarder 20～35wt%, plasticizer 10～15wt% and BaTiO
3Powder 42～63wt% mixes, and is plated on the luminescent layer 13 with stencil then, forms and soaks into regulating course 14 (S40).
After soaking into regulating course 14 formation, with black pigment 1～5wt%, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt%, and back being plated in silk screen print method of dimethylbenzene 50～71wt% mixing soaked on the regulating course 14 formation light shield layer 15 (S50).When regulating course 14 was soaked in formation, plasticizer can adopt N-cyclohexyl-p-toluenesulfonamide, N-ethyl-p-toluenesulfonamide, one of dimethyl formamide and repefral.
The manufacture method of light shield layer 15 can divide secondary to form the first light shield layer 15a and the second light shield layer 15b.That is, after regulating course 14 is soaked in formation, with black pigment 1～5wt%, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt%, and dimethylbenzene 50～71wt% mixes the back and is plated in the method for silk screen printing and soaks on the regulating course 14, forms the first light shield layer 15a.After the first light shield layer 15a forms, will be than the low black pigment 1～5wt% of the first light shield layer 15a viscosity, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt%, and be plated on the first light shield layer 15a with silk screen print method after dimethylbenzene 50～71wt% mixing, form the second light shield layer 15b.
After the first light shield layer 15a and the second light shield layer 15b form, with black pigment 5～10wt%, fluororesin 5～15wt%, acrylic resin 10～25wt%, retarder 11～22wt%, plasticizer 5～15wt% and BaTiO
3Powder 40～55wt% mixes the back and is plated in (promptly on the second light shield layer 15b) on the light shield layer 15 with silk screen print method, forms first protective layer 16 (S60).
After forming first protective layer 16, with alkyd resins 10～25wt%, melamine resin 5～35wt%, hydropolymer 1～35wt%, ethylene glycol monoethylether acetate 5～10wt%, acrylic acid (class) resin 10～35wt% and silicon dioxide SiO
2Powder 0.1～2wt% mixes the back and is plated on first protective layer 16 with silk screen print method, forms second protective layer 17 (S70).In the method that forms second protective layer 17, according to the function of second protective layer 17, hydropolymer can be hydrophobicity or hydrophilic.For this reason, hydropolymer adopts hydrophobic polymer or hydrophilic polymer.Here, hydrophobic polymer content can be 1～5wt%, and hydrophilic polymer content can be 25～35wt%.
In the manufacture method of described touch luminous element, the manufacture method of the mixed polymer viscose glue that step S30 and step S40 adopt as shown in Figure 3, at first, polyvinyl butyral 20～35wt% and ethylene glycol monoethylether acetate 65～80wt% are mixed, form mixed viscose (S11).After forming mixed viscose, with mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt% mixing (S12).The mixing of mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt% was through 20～35 minutes ultrasonic Treatment (S13).After the ultrasonic Treatment, mixed viscose 30～65wt% of mixing and retarder 40～65wt% and epoxy resin 10～55wt% are carried out 30～50 hours heat treatment (S14) under 30～50 ℃.Here, used epoxy resin adopted bis phenol-a epoxy resins, one of phenol novolac and cresols novolac when mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt% mixed.
Use the fingerprint identification device of the touch luminous element of making by described process 10 below with reference to description of drawings.
The fingerprint identification device that Fig. 5 a and Fig. 5 b are to use touch luminous element of the present invention to constitute.Here, the fingerprint identification device shown in Fig. 5 a is a semiconductor-type, and the fingerprint identification device shown in Fig. 5 b is an optical profile type.
Fingerprint identification device 100 shown in Fig. 5 a is made of touch luminous element 10, translucent adhesive layer 30 and imageing sensor 40.
Touch luminous element 10 is by transparent insulating layer 11, transparent electrode layer 12, and luminescent layer 13 soaks into regulating course 14, and light shield layer 15, the first protective layers 16 and second protective layer 17 constitute, since identical with touch luminous element 10 shown in Figure 1, its detailed explanation omitted.Translucent adhesive layer 30 is formed at transparent insulating layer 11 downsides of touch luminous element 10, and cohesive force is provided.Imageing sensor 40 is positioned at the downside of translucent adhesive layer 30, and the cohesive force bonding of utilizing translucent adhesive layer 30 to provide detects the light-composited film that sees through transparent insulating layer 11, is transformed into electric signal output.Here, imageing sensor 40 adopts one of cmos image sensor or ccd image sensor, receive from the electric signal of imageing sensor 40 outputs by control part 2, generation is based on the fingerprint image of the composition generation of the contact-making surface 1a of object 1, the object 1a of contact is if the people confirms then whether fingerprint image is listed people.
Fingerprint identification device 100 shown in Fig. 5 b has shown other the optical fingerprint recognition device 100 of embodiment of fingerprint identification device 100 of the present invention.Optical fingerprint recognition device 100 is by big touch luminous element 10, and lens 50 and imageing sensor 60 constitute.Touch luminous element 10 is identical with the touch luminous element 10 shown in Fig. 5 a, therefore omits its explanation.
The possibility of utilizing on the industry
Touch luminous element of the present invention and its manufacture method and use its fingerprint identification device The application of body identification field can given birth to.
Claims (20)
1. touch luminous element is characterized in that comprising:
Transparent insulating layer;
Transparent electrode layer is formed on the described transparent insulating layer, connects AC power, accepts Alternating Current Power Supply;
Luminescent layer is formed on the described transparent electrode layer, with after object contacts, flow through electric field that object produces and luminous by the alternating current of supplying with transparent electrode layer, generation by described transparent electrode layer, is shone described transparent insulating layer based on the light-composited film of the contact-making surface composition of luminous object;
Soak into regulating course, be formed on the described luminescent layer, regulate black pigment, prevent that exterior light from permeating described luminescent layer to the soaking into of described luminescent layer;
Light shield layer is formed at described soaking on the regulating course, prevents that exterior light from seeing through the described regulating course that soaks into;
First protective layer is formed on the described light shield layer, prevents that moisture from soaking into described light shield layer, provides cohesive force; With
Be formed at second protective layer on described first protective layer with mar proof.
2. touch luminous element as claimed in claim 1 is characterized in that described transparent electrode layer is made of indium tin oxide ITO, and the one side also has the lead terminal that connects AC power.
3. touch luminous element as claimed in claim 1 is characterized in that, described luminescent layer is by polymer viscose glue 20～30wt%, retarder 35～39wt%, and luminous element powder 40～50wt% and briliancy and form and aspect are regulated additive 0.1～5wt% composition,
Described polymer viscose glue is by mixed viscose 30～65wt%, and retarder 40～65wt% and epoxy resin 10～55wt% form; Described mixed viscose is made up of polyvinyl butyral 20～35wt% and ethylene glycol monoethylether acetate 65～80wt%; Described epoxy resin has adopted bisphenol A epoxide resin, one of in phenol novolac and the cresols novolac, the luminous element powder has adopted zinc sulphide, one of strontium sulfide and zinc oxide, described briliancy and form and aspect are regulated additive according to briliancy and the form and aspect set, adopt manganese, copper, chlorine, aluminium, iodine, terbium, one of fluorine.
4. touch luminous element as claimed in claim 3 is characterized in that, in order to increase glorious degrees, described briliancy and form and aspect are regulated in the additive and also contained BaTiO
3Powder or black pigment 20～45wt%.
5. touch luminous element as claimed in claim 1 is characterized in that, the described regulating course that soaks into is by polymer viscose glue 15～35wt%, black pigment 5～25wt%, retarder 20～35wt%, plasticizer 10～15wt% and BaTiO
3Powder 42～63wt% forms;
Described polymer viscose glue is by mixed viscose 30～65wt%, and retarder 40～65wt% and epoxy resin 10～55wt% form; Described mixed viscose is made up of polyvinyl butyral 20～35wt% and ethylene glycol monoethylether acetate 65～80wt%; Described epoxy resin adopts bisphenol A epoxide resin, one of phenol novolac and cresols novolac, described plasticizer adopts N-cyclohexyl-p-toluenesulfonamide, N-ethyl-p-toluenesulfonamide, one of dimethyl formamide and repefral; Described black pigment adopts hydrocarbon black powder.
6. touch luminous element as claimed in claim 1 is characterized in that, described light shield layer is by preventing that exterior light from seeing through first light shield layer that soaks into regulating course and preventing that second light shield layer that exterior light sees through described first light shield layer from constituting;
Described first light shield layer and described second light shield layer are by black pigment 1～5wt%, polyester 5～30wt%, and ethylene glycol monoethylether acetate 15～23wt%, and dimethylbenzene 50～71wt% composition, described black pigment adopts hydrocarbon black powder.
7. touch luminous element as claimed in claim 1 is characterized in that, described first protective layer is by black pigment 5～10wt%, fluororesin 5～15wt%, acrylic resin 10～25wt%, retarder 11～22wt%, plasticizer 5～15wt% and BaTiO
3Powder 40～55wt% forms,
Described black pigment adopts hydrocarbon black powder.
8. touch luminous element as claimed in claim 1; it is characterized in that; described second protective layer is by alkyd resins 10～25wt%; melmac 5～35wt%; hydropolymer 1～35wt%; ethylene glycol monoethylether acetate 5～10wt%, acrylic resin 10～35wt% and SiO 2 powder 0.1～2wt% form
In order to prevent that moisture from soaking into described first protective layer, described hydropolymer is selected the hydrophilic polymer of hydrophobic polymer or stain resistance for use, and described hydrophobic polymer content is 1～5wt%, and described hydrophilic polymer content is 25～35wt%.
9. the manufacture method of touch luminous element is characterized in that, comprising:
Transparent insulating layer is provided;
Use sputter or evaporation coating method on described transparent insulating layer, to plate indium tin oxide ITO, form transparent electrode layer;
With polymer viscose glue 20～30wt%, retarder 35～39wt%, luminous element powder 40～50wt% and briliancy and form and aspect are plated on the described transparency electrode with stencil after regulating additive 0.1～5wt% mixing, form luminescent layer;
With polymer viscose glue 15～35wt%, black pigment 5～25wt%, retarder 20～35wt%, plasticizer 10～15wt% and BaTiO
3Powder 42～63wt% mixes, and is plated on the described luminescent layer with stencil, forms and soaks into regulating course;
With black pigment 1～5wt%, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt% and dimethylbenzene 50～71wt% are plated in described soaking on the regulating course with silk screen print method after mixing, and form light shield layer;
With black pigment 5～10wt%, fluororesin 5～15wt%, acrylic resin 10～25wt%, retarder 11～22wt%, plasticizer 5～15wt% and BaTiO
3Powder 40～55wt% is plated on the described light shield layer with silk screen print method after mixing, and forms first protective layer;
With alkyd resins 10～25wt%; melmac 5～35wt%; hydropolymer 1～35wt%; ethylene glycol monoethylether acetate 5～10wt%; after acrylic resin 10～35wt% and SiO 2 powder 0.1～2wt% mix; described on first protective layer with the silk screen print method plating, form second protective layer.
10. the manufacture method of touch luminous element as claimed in claim 9 is characterized in that, the described transparent electrode layer of described formation also comprises the lead terminal that connection is used to described transparent electrode layer supply alternating current.
11. the manufacture method of touch luminous element as claimed in claim 9 is characterized in that, described transparent electrode layer is by forming with translucent adhesive bonding indium tin oxide ITO film on transparent insulating layer.
12. the manufacture method of touch luminous element as claimed in claim 9 is characterized in that, in the technology that forms described luminescent layer, the luminous element powder adopts zinc sulphide, one of strontium sulfide and zinc oxide, and briliancy and form and aspect are regulated additive according to briliancy and the form and aspect set, adopt manganese, copper, chlorine, aluminium, iodine, terbium, one of fluorine, in order to increase the glorious degrees of luminescent layer, briliancy and form and aspect are regulated in the additive and are also contained BaTiO
3Powder or black pigment 20～45wt%.
13. the manufacture method of touch luminous element as claimed in claim 9 is characterized in that, is forming described luminescent layer and is forming in the described technology of soaking into regulating course, the manufacture method of mixed polymer viscose glue comprises:
Polyvinyl butyral 20～35wt% and ethylene glycol monoethylether acetate 65～80wt% are mixed, form mixed viscose,
With described mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt% mixing,
With described mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt% mixes after 20～35 minutes ultrasonic Treatment,
After described ultrasonic Treatment, mixed viscose 30～65wt% of mixing and retarder 40～65wt% and epoxy resin 10～55wt% are carried out 30～50 hours heat treatment under 30～50 ℃;
In the hybrid technique of described mixed viscose 30～65wt% and retarder 40～65wt% and epoxy resin 10～55wt%, epoxy resin adopts bis phenol-a epoxy resins, one of phenol novolac and cresols novolac.
14. the manufacture method of touch luminous element as claimed in claim 9, it is characterized in that in forming described technology of soaking into regulating course, plasticizer adopts N-cyclohexyl-p-toluenesulfonamide, N-ethyl-p-toluenesulfonamide, one of dimethyl formamide and repefral.
15. the manufacture method of touch luminous element as claimed in claim 9 is characterized in that, the technology that forms described light shield layer comprises:
With black pigment 1～5wt%, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt%, and after dimethylbenzene 50～71wt% mixes is plated in silk screen print method and soaks on the regulating course, form first light shield layer and
Black pigment 1～5wt% that will be lower than the first light shield layer viscosity, polyester 5～30wt%, ethylene glycol monoethylether acetate 15～23wt%, and after dimethylbenzene 50～71wt% mixing, be plated on first light shield layer with silk screen print method, form second light shield layer.
16. the manufacture method of touch luminous element as claimed in claim 9; it is characterized in that; in the technology that forms described second protective layer; hydropolymer adopts hydrophobic polymer or hydrophilic polymer; hydrophobic polymer content is 1～5wt%, and hydrophilic polymer content is 25～35wt%.
17. fingerprint identification device is characterized in that comprising:
Touch luminous element comprises:
Transparent insulating layer;
Transparent electrode layer is formed on the described transparent insulating layer, connects AC power, accepts Alternating Current Power Supply;
Luminescent layer is formed on the described transparent electrode layer, behind the contact object, flow through the electric field that object produces by the interchange of supplying with transparent electrode layer, generation by described transparent electrode layer, is shone described transparent insulating layer based on the light-composited film of the contact-making surface composition of luminous object;
Soak into regulating course, be formed on the described luminescent layer, regulate black pigment, prevent that exterior light from permeating described luminescent layer to the soaking into of described luminescent layer;
Light shield layer is formed at described soaking on the regulating course, prevents that exterior light from seeing through the described regulating course that soaks into;
First protective layer is formed on the described light shield layer, prevents that moisture from soaking into described light shield layer, provides cohesive force; With
Be formed at second protective layer on described first protective layer with mar proof;
The translucent adhesive layer is formed at below the transparent insulating layer of described touch luminous element, and cohesive force is provided; With
Imageing sensor is positioned at described translucent adhesive layer below, and the cohesive force bonding by the translucent adhesive layer provides detects the light-composited film that sees through transparent insulating layer, is transformed to electric signal output.
18. fingerprint identification device as claimed in claim 17 is characterized in that, described imageing sensor adopts one of cmos image sensor or ccd image sensor.
19. fingerprint identification device is characterized in that comprising:
Touch luminous element comprises:
Transparent insulating layer;
Transparent electrode layer is formed on the described transparent insulating layer, connects AC power, accepts Alternating Current Power Supply;
Luminescent layer is formed on the described transparent electrode layer, behind the contact object, flow through the electric field that object produces by the interchange of supplying with transparent electrode layer, generation by described transparent electrode layer, is shone described transparent insulating layer based on the light-composited film of the contact-making surface composition of luminous object;
Soak into regulating course, be formed on the described luminescent layer, regulate black pigment, prevent that exterior light from soaking into described luminescent layer to the soaking into of described luminescent layer;
Light shield layer is formed at described soaking on the regulating course, prevents that exterior light from seeing through the described regulating course that soaks into;
First protective layer is formed on the described light shield layer, prevents that moisture from soaking into described light shield layer, provides cohesive force; With
Be formed at second protective layer on described first protective layer with mar proof;
Lens are arranged on the below of the transparent insulating layer of touch luminous element, and irradiation sees through the light-composited film of transparent insulating layer; With
Be arranged on the imageing sensor of described lens below, detect the light-composited film of scioptics irradiation, be transformed into electric signal output.
20. fingerprint identification device as claimed in claim 19 is characterized in that, described imageing sensor adopts one of cmos image sensor and ccd image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Denomination of invention: Touch luminous element, manufacturing method thereof and fingerprint identification device Effective date of registration: 20191209 Granted publication date: 20120118 Pledgee: Growth partner No.5 Co., Ltd Pledgor: Epicrya Limited Registration number: Y2019990000683 |