CN102542671A - Payment password device with flexible liquid crystal display screen - Google Patents
Payment password device with flexible liquid crystal display screen Download PDFInfo
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- CN102542671A CN102542671A CN2012100249903A CN201210024990A CN102542671A CN 102542671 A CN102542671 A CN 102542671A CN 2012100249903 A CN2012100249903 A CN 2012100249903A CN 201210024990 A CN201210024990 A CN 201210024990A CN 102542671 A CN102542671 A CN 102542671A
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Abstract
The invention provides a payment password device with a flexible liquid crystal display screen, which comprises the flexible crystal liquid display screen, a circuit board and conducting resin. The flexible liquid crystal display screen is provided with a display screen electrode, the circuit board is provided with a circuit board electrode, and the display screen electrode is connected onto the circuit board electrode. The payment password device with the flexible liquid crystal display screen is further provided with resin adhesive coated onto a connection part between the display screen electrode and the circuit board electrode. The payment password device with the flexible liquid crystal display screen is the same as the existing glass liquid crystal display screen in display effect and is integrally lighter and thinner, and the liquid crystal display screen cannot be broken after falling impact. The payment password device with the flexible liquid crystal display screen can design a displayer of the payment password device into a curve surface according to design requirements, and the structure is more reasonable.
Description
Technical field
The present invention relates to a kind of payment cipher, relate in particular to a kind of payment cipher that is provided with the flexible liquid crystal screen.
Background technology
Payment cipher is widely used as a kind of security protection means of banking system payment funding.Payment cipher has the accuracy height, and security, the anti-property decoded are good, characteristics such as comfortable, simple in structure, easy to carry easy to use.It comprises the device shell, is installed in keyboard, single-chip microcomputer and LCD MODULE on the device shell.Wherein, LCD is as the scrambler main element, and the user obtains bank cipher information through LCD screen.LCDs influences the physical dimension and the weight of whole scrambler, and liquid crystal display mainly contains following several kinds with the control panel connected mode: conductive rubber is connected, metal pin connects, FPC connects, conduct electricity zebra paper connection etc., and assembling is complicated.The substrate of LCDs adopts ito glass; Because ito glass hardness is high, enbrittle; Can not be crooked under the normal temperature, impact resistance is poor, and the screen gross thickness is generally between 1.4mm-2.8mm; The structural design of above characteristic limitations payment cipher is difficult to realize that the abnormity demonstration is made in the abnormity cutting, integral thickness is many more than 4mm.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art; The present invention provides a kind of payment cipher that is provided with the flexible liquid crystal screen; Comprise flexible liquid crystal screen, circuit board and conducting resinl; The flexible liquid crystal screen is provided with the display screen electrode, and circuit board is provided with circuit board electrode, and the display screen electrode is connected in said circuit board electrode.
Of the present inventionly further be improved to, the said payment cipher that is provided with the flexible liquid crystal screen also is provided with resin glue, and resin glue is coated on the coupling part of display screen electrode and circuit board electrode.
Of the present inventionly further be improved to; Said flexible liquid crystal screen is made up of the flexible liquid crystal display liquid crystal cell; The flexible liquid crystal display liquid crystal cell comprise the compliant conductive base material, down the compliant conductive base material, down the PS support column, go up PI film, PI film, liquid crystal and frame adhesive down, last compliant conductive base material comprises polaroid, goes up silicon dioxide layer and goes up the ITO film, last polaroid, upward silicon dioxide layer reaches upward that the ITO film sets gradually; Following compliant conductive base material comprises that polaroid, following silicon dioxide layer reach ITO film down down; The ITO film set gradually under following polaroid, following silicon dioxide layer reached, and last compliant conductive base material, following compliant conductive base material and frame adhesive are fitted and sealed the airtight inner chamber of formation, and liquid crystal is filled in the airtight inner chamber; Following PS support column and liquid crystal are arranged between compliant conductive base material and the following compliant conductive base material; Following PS support column is connected in down the compliant conductive base material, and following PI film is covered in said PS support column down and reaches compliant conductive base material down, and the said PI film of going up is covered in the compliant conductive base material.
Of the present inventionly further be improved to, said PS support column down adopts epoxide resin material.
Of the present inventionly further be improved to, said PS support column is down formed by liquid-solidization of epoxy resin.
Of the present inventionly further be improved to, the height of said PS support column down is less than 4 microns.
Of the present inventionly further be improved to, said go up the PI film and down the PI film form by PI liquid hot setting.
Of the present inventionly further be improved to, the solidification temperature of said PI liquid is less than or equal to 100 ℃.
Compared to prior art, the display effect of the payment cipher that is provided with flexible liquid crystal screen of the present invention is identical with existing glass liquid crystal display, but integral body gentlier, more approach, liquid crystal display can not break behind the dropping shock.And the payment cipher that is provided with the flexible liquid crystal screen of the present invention can be set to curved surface according to the display of design demand payment cipher, and structure is more reasonable.
Description of drawings
Fig. 1 is the structural representation of the flexible liquid crystal screen of the present invention's payment cipher of being provided with flexible liquid crystal screen.
Fig. 2 is the structural representation of flexible liquid crystal display liquid crystal cell of the present invention.
Fig. 3 is a flexible liquid crystal display forming liquid crystal box method flow diagram of the present invention.
Fig. 4 is the manufacture craft process flow diagram of PS support column under the present invention.
Embodiment
Below in conjunction with description of drawings and embodiment the present invention is further specified.
See also Fig. 1, the invention provides a kind of payment cipher that is provided with the flexible liquid crystal screen, comprise flexible liquid crystal screen 1, circuit board 3 and conducting resinl 5.Flexible liquid crystal screen 1 is provided with display screen electrode (figure does not show), and circuit board 3 is provided with circuit board electrode (figure does not show), and the display screen electrode is connected in said circuit board electrode.Flexible liquid crystal screen 1 can be curved shape.In the present embodiment, circuit board 3 can adopt common pcb board (PrintedCircuitBoard, printed circuit board) or FPC plate (Flexible Printed Circuit board, flexible print wiring board).The payment cipher that is provided with the flexible liquid crystal screen of the present invention also is provided with resin glue 8, and resin glue 8 is coated on the coupling part of display screen electrode and circuit board electrode.
Flexible liquid crystal screen 1 is connected in circuit board 3 may further comprise the steps:
Adhesive dots is set, uses silk-screen or pad printing method that conducting resinl 5 is imprinted on and form adhesive dots on the circuit board electrode;
Contraposition is with the display screen electrode and the adhesive dots contraposition of flexible liquid crystal screen 1;
Pressurization and heating, pressurization and heating are solidified so that the display screen electrode is connected in said circuit board electrode adhesive dots;
The glue 8 of resinizing is resinized glue 8 to protect in the coupling part of display screen electrode and circuit board electrode.
Because before conducting resinl 5 solidifies is fluid, after display screen and control panel were fitted, conducting resinl 5 meeting transverse dispersion caused the short circuit of adjacent electrode easily, take place for avoiding this phenomenon, and the electrode separation design is greater than 0.5mm.The diameter of adhesive dots be electrode width 1/4th to 1/3rd between, guarantee that the upper/lower electrode back conducting resinl 5 of fitting does not exceed electrode, cause the short circuit of adjacent circuit, good electrode conduction property is arranged again.
See also Fig. 2 to Fig. 4; Flexible liquid crystal screen 1 is made up of flexible liquid crystal display liquid crystal cell 10; Flexible liquid crystal display liquid crystal cell 10 comprises compliant conductive base material 11, following compliant conductive base material 12, following PS (photoresist spacer; The photonasty clearance material) support column 15, last PI film 16 (polyimide, polyimide), following PI film 17, liquid crystal 19 and frame adhesive 20.
Last compliant conductive base material 11 comprises polaroid 111, goes up silicon dioxide layer 113 and goes up ITO film 115, last polaroid 111, go up silicon dioxide layer 113 and upward ITO film 115 set gradually.Following compliant conductive base material 12 comprises down polaroid 121, silicon dioxide layer 123 and ITO film 125 down down, following polaroid 121, down silicon dioxide layer 123 and down ITO film 125 set gradually.In the present embodiment; Last polaroid 111 reaches down, and polaroid 121 adopts polaroid of the prior art; Last polaroid 111 reaches down, and polaroid 121 is equipped with two TAC films 300 (Triafol T; Triacetyl Cellulose) and be arranged at two PVA films 310 (polyvinyl alcohol (PVA), polyvinyl alcohol) between the TAC film 300.
Last compliant conductive base material 11, liquid crystal 19, compliant conductive base material 12 sets gradually from the bottom to top down.Last compliant conductive base material 11, compliant conductive base material 12 adopts frame adhesive 20 to be bonded with each other down.Last compliant conductive base material 11, the sealing of fitting of compliant conductive base material 12 and frame adhesive 20 forms airtight inner chamber down, and liquid crystal 19 is filled in the airtight inner chamber.Following PS support column 15 and liquid crystal 19 are arranged between compliant conductive base material 11 and the following compliant conductive base material 12.Following PS support column 15 is connected in down compliant conductive base material 12.
In the present embodiment, following PS support column 15 adopts epoxide resin material.Following PS support column 15 is formed by liquid-solidization of epoxy resin.The following PS support column 15 of following compliant conductive base material 12 is the cylinder of 8 microns to 15 microns of diameters.
Following PI film 17 is covered in said PS support column down 15 and reaches compliant conductive base material 12 down, and the said PI film 16 of going up is covered in compliant conductive base material 11.Last PI film 16 reaches down, and PI film 17 is formed by PI liquid hot setting.
10 one-tenth cassette methods of a kind of flexible liquid crystal display liquid crystal cell of the embodiment of the invention one may further comprise the steps:
The ITO graphic making is got polaroid 111 respectively, down polaroid 121 is as base material, respectively sputter silicon dioxide layer (SiO on last polaroid 111, time polaroid 121 surfaces
2), plate one deck ITO film (Indium-Tin Oxide, tin indium oxide) again and reach compliant conductive base material 12 down to make compliant conductive base material 11.Last compliant conductive base material 11 comprises polaroid 111, upward silicon dioxide layer 113 reaches and goes up ITO film 115, ITO film 125 under polaroid 121, following silicon dioxide layer 123 reached under following compliant conductive base material 12 comprised.Compliant conductive base material 12 both can substitute the glass baseplate of former LCD under last compliant conductive base material 11 reached, and can play the effect of polaroid again.Under last compliant conductive base material 11 reaches, on the compliant conductive base material 12, make the ITO figure, make ITO figure down at the ITO of last compliant conductive base material 11 film at the following ITO film 125 of following compliant conductive base material 12 through exposure technique.The exposure technique that adopts is identical with existing exposure technique, comprise the coated feel optical cement, through the exposure of mask plate selectivity, develop, on base material, form and processes such as the on all four photoresist figure of mask plate figure, harsh, cleaning, repeat no more at this.
The PS support column is provided with, PS support column 15 under the following ITO film 125 of compliant conductive base material 12 is made down, and following PS support column 15 is connected in down the following ITO film 125 of compliant conductive base material 12.In the present embodiment, the following PS support column 15 of following compliant conductive base material 12 is the cylinder of 8 microns to 15 microns of diameters.
PI (polyimide; Polyimide) film applies;, ITO figure on the last compliant conductive base material 11 applies PI liquid (polyimide respectively on the following ITO figure of compliant conductive base material 12 under reaching; Polyimide), reach down PI film 17 by the certain orientation friction with the last PI film 16 that forms directed usefulness with flannelette respectively behind PI liquid (polyimide, the polyimide) hot setting.The solidification temperature of PI liquid is less than or equal to 100 ℃.Last PI film 16 reaches down, and PI film 17 is used for making the liquid crystal 19 of flexible liquid crystal display liquid crystal cell 10 to reach the specific direction orientations in PI film 17 edges down at last PI film 16.Coating is identical with existing technology with rubbing method, and rubbing angle requires and go up compliant conductive base material 11 according to product design, the polarization direction of compliant conductive base material 12 is provided with down.
Become box, will go up compliant conductive base material 11, compliant conductive base material 12 is laminated and processes sylphon down.Get compliant conductive base material 11 and stamp sealing epoxy resin glue as frame adhesive 20, adopt the silk screen process mode printing ITO electrode conduction point glue on the compliant conductive base material 12 down equally with the silk screen process mode.To go up compliant conductive base material 11, down compliant conductive base material 12 is fitted and frame adhesive 20 is solidified to process sylphon.Alignment mark is set during applying, can be during curing, compliant conductive base material 12 is exerted pressure so that flexible liquid crystal display liquid crystal cell 10 thickness keep evenly down to last compliant conductive base material 11.Through behind the hot setting, the consistency of thickness of flexible liquid crystal display liquid crystal cell 10, last compliant conductive base material 11, the gap variation can not take place in compliant conductive base material 12 down.
The cutting of flexible liquid crystal display liquid crystal cell 10 adopts shearing or die-cut mode that flexible liquid crystal display liquid crystal cell 10 is cut into unit box to flexible liquid crystal display liquid crystal cell 10.Because last compliant conductive base material 11, compliant conductive base material 12 is flexible materials down, thereby can uses and shear or die-cut mode is once accomplished, that omits former technology cuts, splits twice action.The cutting of electrode one side small pieces needs the control cutting knife degree of depth, can not injure the electrode on the sheet.
Perfusion vacuumizes unit box, from the perfusing hole perfusion liquid crystal 19 of unit box.
Seal, perfusing hole is sealed with ultraviolet curing glue.
Estimate or/and electrical measurement is checked the outward appearance and the display graphics of product through light platform and electrical measurement machine.
Because last compliant conductive base material 11 be flexible parent metal, be difficult for fixingly, be provided with at ITO graphic making, PS support column, the PI film applies, in the one-tenth box step, will go up compliant conductive base material 11 usefulness adhesive tapes and be fixed on glass plate and process.
The manufacture craft of following PS support column 15 may further comprise the steps:
Frictioning is evenly scraped completely whole following compliant conductive base material 12 with glue scraping plate with epoxy resin liquid.It is understandable that, can be through surperficial gap of glue scraping plate and following compliant conductive base material 12 and glue scraping plate translational speed being set to obtain the thickness and the homogeneity of required epoxy resin liquid.
Spin coating will have the following compliant conductive base material 12 of epoxy resin liquid to be placed on the spin coater, and compliant conductive base material 12 and high speed rotating are at 12 PS films that form consistency of thickness of following compliant conductive base material thereby vacuum suction is stayed.The rotating speed of high speed rotating is greater than 600 circle per minutes.The controllable film thickness of PS film is built in below 4 microns.
Preliminary drying so that the solvent evaporates in the epoxy resin liquid is fallen, covers together the face of PS film and following compliant conductive base material 12.The preliminary drying temperature is lower than 100 degree.
Exposure, design, is transferred to down the dot pattern on the mask plate on the compliant conductive base material 12 through ultraviolet exposure by the dot pattern equidistant, that diameter is consistent on the mask plate.Epoxy resin liquid is photosensitive material, receive the radiation of ultraviolet after, it is crosslinked that molecule takes place, and becomes soluble substance.
Develop, removed by the part of ultraviolet radiation, descending PS support column 15 under the epoxy resin solid conduct that forms equal altitudes, column on compliant conductive base material 12 surfaces through developer solution.Because the film thickness monitoring of PS film is below 4 microns, thereby the height of the following PS support column 15 that forms after the sensitization of PS film is also less than 4 microns.Following PS support column 15 replaces the resin sphere of powder in flexible liquid crystal display liquid crystal cell 10, play the thick supporting role of box.
Clean the developer solution of compliant conductive base material 12 remained on surface and the photosensitive material of dissolving under cleaning with DI water.
Curing will descend compliant conductive base material 12 and the moisture in the epoxy resin to dry through high temperature, the bonding strength of compliant conductive base material 12 and epoxy resin under improving simultaneously.
The display effect of the payment cipher that is provided with flexible liquid crystal screen 1 of the present invention is identical with existing glass liquid crystal display, but integral body gentlier, more approach, liquid crystal display can not break behind the dropping shock.And the payment cipher that is provided with flexible liquid crystal screen 1 of the present invention can be set to curved surface according to the display of design demand payment cipher, and structure is more reasonable.Simultaneously, the present invention adopts and is arranged at down the resin sphere of powder that PS support column 15 replaces in original flexible liquid crystal display liquid crystal cell 10, plays the thick supporting role of box.Again can be firm under the thick situation of thin box with substrate bonding, can not produce vibration, the result then can not produce the noise of liquid crystal display.Remove glass baseplate, directly use the polaroid material to make LCD as flexible parent metal.Realize that on the basis of former LCD characteristic curved surface shows, gross thickness≤0.4mm, weight are lighter, the screen shock resistance.With the flexible liquid crystal display that flexible parent metal supports, clear picture, screen bending, integral thickness arbitrarily can be controlled in below the 0.4mm.Owing to remove layer glass substrate in original LCD, the optical transmittance of flexible liquid crystal screen 1 improves more than 1% than glass substrate LCD at least, guarantees the further raising of figure contrast.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (8)
1. one kind is provided with the payment cipher that flexible liquid crystal is shielded; It is characterized in that: comprise flexible liquid crystal screen, circuit board and conducting resinl; The flexible liquid crystal screen is provided with the display screen electrode, and circuit board is provided with circuit board electrode, and the display screen electrode is connected in said circuit board electrode.
2. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 1, it is characterized in that: the said payment cipher that is provided with the flexible liquid crystal screen also is provided with resin glue, and resin glue is coated on the coupling part of display screen electrode and circuit board electrode.
3. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 1; It is characterized in that: said flexible liquid crystal screen is made up of the flexible liquid crystal display liquid crystal cell; The flexible liquid crystal display liquid crystal cell comprises compliant conductive base material, following compliant conductive base material, following PS support column, goes up PI film, following PI film, liquid crystal and frame adhesive; Last compliant conductive base material comprises polaroid, goes up silicon dioxide layer and goes up the ITO film; Last polaroid, go up silicon dioxide layer and go up the ITO film and set gradually, following compliant conductive base material comprises down polaroid, silicon dioxide layer and ITO film down down, following polaroid, down silicon dioxide layer and down the ITO film set gradually; Last compliant conductive base material, following compliant conductive base material and frame adhesive are fitted to seal and are formed airtight inner chamber; Liquid crystal is filled in the airtight inner chamber, and following PS support column and liquid crystal are arranged between compliant conductive base material and the following compliant conductive base material, and following PS support column is connected in down the compliant conductive base material; Following PI film is covered in said PS support column down and reaches compliant conductive base material down, and the said PI film of going up is covered in the compliant conductive base material.
4. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 3, it is characterized in that: said PS support column down adopts epoxide resin material.
5. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 3, it is characterized in that: said PS support column is down formed by liquid-solidization of epoxy resin.
6. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 3, it is characterized in that: the height of said PS support column down is less than 4 microns.
7. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 3, it is characterized in that: said last PI film and following PI film are formed by PI liquid hot setting.
8. according to the said payment cipher that is provided with the flexible liquid crystal screen of claim 7, it is characterized in that: the solidification temperature of said PI liquid is less than or equal to 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024990.3A CN102542671B (en) | 2012-02-06 | 2012-02-06 | Payment password device with flexible liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024990.3A CN102542671B (en) | 2012-02-06 | 2012-02-06 | Payment password device with flexible liquid crystal display screen |
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| Publication Number | Publication Date |
|---|---|
| CN102542671A true CN102542671A (en) | 2012-07-04 |
| CN102542671B CN102542671B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210024990.3A Expired - Fee Related CN102542671B (en) | 2012-02-06 | 2012-02-06 | Payment password device with flexible liquid crystal display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658648A (en) * | 2019-08-28 | 2020-01-07 | 晟光科技股份有限公司 | Processing technology of curved surface LCD display panel |
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| US6016176A (en) * | 1998-05-30 | 2000-01-18 | Samsung Display Devices Co., Ltd. | Liquid crystal display device with a flexible liquid crystal cell that is folded |
| US20060017673A1 (en) * | 2004-07-21 | 2006-01-26 | Industrial Technology Research Institute | Flexible display device |
| CN201293893Y (en) * | 2008-10-23 | 2009-08-19 | 天马微电子股份有限公司 | Display device with touch screen function |
| CN101738774A (en) * | 2008-11-06 | 2010-06-16 | 北京海维元电子有限公司 | Ultrathin flexible liquid crystal display and manufacturing method thereof |
| CN101750776A (en) * | 2008-12-04 | 2010-06-23 | 乐金显示有限公司 | Flexible liquid crystal display device |
| CN202694456U (en) * | 2012-02-06 | 2013-01-23 | 深圳市瑞福达液晶显示技术股份有限公司 | Payment cipherer provided with flexible liquid crystal display |
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2012
- 2012-02-06 CN CN201210024990.3A patent/CN102542671B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016176A (en) * | 1998-05-30 | 2000-01-18 | Samsung Display Devices Co., Ltd. | Liquid crystal display device with a flexible liquid crystal cell that is folded |
| US20060017673A1 (en) * | 2004-07-21 | 2006-01-26 | Industrial Technology Research Institute | Flexible display device |
| CN201293893Y (en) * | 2008-10-23 | 2009-08-19 | 天马微电子股份有限公司 | Display device with touch screen function |
| CN101738774A (en) * | 2008-11-06 | 2010-06-16 | 北京海维元电子有限公司 | Ultrathin flexible liquid crystal display and manufacturing method thereof |
| CN101750776A (en) * | 2008-12-04 | 2010-06-23 | 乐金显示有限公司 | Flexible liquid crystal display device |
| CN202694456U (en) * | 2012-02-06 | 2013-01-23 | 深圳市瑞福达液晶显示技术股份有限公司 | Payment cipherer provided with flexible liquid crystal display |
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| CN110658648A (en) * | 2019-08-28 | 2020-01-07 | 晟光科技股份有限公司 | Processing technology of curved surface LCD display panel |
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| CN102542671B (en) | 2014-08-20 |
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