CN202694456U - Payment cipherer provided with flexible liquid crystal display - Google Patents
Payment cipherer provided with flexible liquid crystal display Download PDFInfo
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- CN202694456U CN202694456U CN 201220036152 CN201220036152U CN202694456U CN 202694456 U CN202694456 U CN 202694456U CN 201220036152 CN201220036152 CN 201220036152 CN 201220036152 U CN201220036152 U CN 201220036152U CN 202694456 U CN202694456 U CN 202694456U
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- liquid crystal
- base material
- conductive base
- flexible liquid
- compliant conductive
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Abstract
The utility model provides a payment cipherer provided with a flexible liquid crystal display. The payment cipherer provided with the flexible liquid crystal display comprises a flexible liquid crystal display, a circuit board and conducting resin. The flexible liquid crystal display is provided with a display screen electrode. The circuit board is provided with a circuit board electrode. The display screen electrode is connected with the circuit board electrode. The payment cipherer provided with the flexible liquid crystal display further comprises resin adhesive which coats the connecting part of the display screen electrode and the circuit board electrode. The displaying effects of the payment cipherer provided with the flexible liquid crystal display and a prior glass liquid crystal display are same, while the payment cipherer provided with the flexible liquid crystal display has the advantages that the whole body is much lighter and thinner, and the liquid crystal display is not broken after the payment cipherer falls off and is shocked. Furthermore, a displayer of the payment cipherer provided with the flexible liquid crystal display can be arranged as a curve surface according to designing requirements, which enables the structure to be more reasonable.
Description
Technical field
The utility model relates to a kind of payment cipher, relates 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.It is high that payment cipher has accuracy, and security, anti-decoding are good, the 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, liquid crystal display is as the scrambler main element, and the user obtains bank cipher information by LCD screen.LCDs affects physical dimension and the weight of whole scrambler, and liquid crystal display mainly contains following several 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 abnormity cutting is made the abnormity demonstration, integral thickness is many more than 4mm.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model 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, circuit board is provided with circuit board electrode, and the display screen electrode is connected in described circuit board electrode.
Further improvement of the utility model is, the described 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.
Further improvement of the utility model is, described flexible liquid crystal screen is made of liquid crystal box of flexible liquid crystal display, liquid crystal box of flexible liquid crystal display comprises the compliant conductive base material, lower compliant conductive base material, lower PS support column, upper PI film, lower PI film, liquid crystal and frame adhesive, upper compliant conductive base material comprises polaroid, upper silicon dioxide layer and upper ITO film, upper polaroid, upper silicon dioxide layer and upper ITO film set gradually, lower compliant conductive base material comprises lower polaroid, lower silicon dioxide layer and lower ITO film, lower polaroid, lower silicon dioxide layer and lower ITO film set gradually, upper compliant conductive base material, lower compliant conductive base material and frame adhesive gluing, sealing form airtight inner chamber, liquid crystal is filled in the airtight inner chamber, lower PS support column and liquid crystal are arranged between compliant conductive base material and the lower compliant conductive base material, lower PS support column is connected in lower compliant conductive base material, lower PI film is covered in described lower PS support column and lower compliant conductive base material, and described upper PI film is covered in the compliant conductive base material.
Further improvement of the utility model is that described lower PS support column adopts epoxide resin material.
Further improvement of the utility model is that described lower PS support column is formed by liquid-solidization of epoxy resin.
Further improvement of the utility model is that the height of described lower PS support column is less than 4 microns.
Further improvement of the utility model is that described upper PI film and lower PI film are formed by PI liquid hot setting.
Further improvement of the utility model is that the solidification temperature of described 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 utility model is identical with existing glass liquid crystal display, but integral body is lighter, thinner, 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 utility model can be set to curved surface according to the display of design needs payment cipher, and structure is more reasonable.
Description of drawings
Fig. 1 is the structural representation of the flexible liquid crystal screen of the utility model payment cipher of being provided with flexible liquid crystal screen.
Fig. 2 is the structural representation of the utility model liquid crystal box of flexible liquid crystal display.
Fig. 3 is the utility model forming method for flexible liquid crystal cell for liquid crystal display process flow diagram.
Fig. 4 is the fabrication processing figure of PS support column under the utility model.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further specified.
See also Fig. 1, the utility model provides a kind of payment cipher that is provided with the flexible liquid crystal screen, comprises flexible liquid crystal screen 1, circuit board 3 and conducting resinl 5.Flexible liquid crystal screen 1 is provided with display screen electrode (not shown), and circuit board 3 is provided with the circuit board electrode (not shown), and the display screen electrode is connected in described 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 utility model 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 be 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 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 described 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.
Owing to being fluid before conducting resinl 5 solidifies, after display screen and control panel were fitted, conducting resinl 5 meeting transverse dispersion easily caused the short circuit of adjacent electrode, occur 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 upper/lower electrode fit after conducting resinl 5 do not exceed electrode, cause the short circuit of adjacent circuit, good electrode conduction is arranged again.
See also Fig. 2 to Fig. 4, flexible liquid crystal screen 1 is made of liquid crystal box of flexible liquid crystal display 10, liquid crystal box of flexible liquid crystal display 10 comprises compliant conductive base material 11, lower compliant conductive base material 12, lower PS(photoresist spacer, the photonasty clearance material) support column 15, upper PI film 16(polyimide, polyimide), lower PI film 17, liquid crystal 19 and frame adhesive 20.
Upper compliant conductive base material 11 comprises polaroid 111, upper silicon dioxide layer 113 and upper ITO film 115, and upper polaroid 111, upper silicon dioxide layer 113 and upper ITO film 115 set gradually.Lower compliant conductive base material 12 comprises lower polaroid 121, lower silicon dioxide layer 123 and lower ITO film 125, and lower polaroid 121, lower silicon dioxide layer 123 and lower ITO film 125 set gradually.In the present embodiment, upper polaroid 111 and lower polaroid 121 adopt polaroid of the prior art, upper polaroid 111 and lower polaroid 121 are equipped with two TAC film 300 (Triafol Ts, Triacetyl Cellulose) and be arranged at two PVA film 310(polyvinyl alcohol (PVA) between the TAC film 300, polyvinyl alcohol).
Upper compliant conductive base material 11, liquid crystal 19, lower compliant conductive base material 12 set gradually from the bottom to top.Upper compliant conductive base material 11, lower compliant conductive base material 12 adopt frame adhesive 20 to be bonded with each other.Upper compliant conductive base material 11, lower compliant conductive base material 12 and frame adhesive 20 gluing, sealings form airtight inner chamber, and liquid crystal 19 is filled in the airtight inner chamber.Lower PS support column 15 and liquid crystal 19 are arranged between compliant conductive base material 11 and the lower compliant conductive base material 12.Lower PS support column 15 is connected in lower compliant conductive base material 12.
In the present embodiment, lower PS support column 15 adopts epoxide resin material.Lower PS support column 15 is formed by liquid-solidization of epoxy resin.The lower PS support column 15 of lower compliant conductive base material 12 is the cylinder of 8 microns to 15 microns of diameters.
10 one-tenth cassette methods of a kind of liquid crystal box of flexible liquid crystal display of the utility model embodiment one may further comprise the steps:
The ITO graphic making is got respectively polaroid 111, lower polaroid 121 as base material, respectively sputter silicon dioxide layer (SiO on upper polaroid 111, lower polaroid 121 surfaces
2), plate again one deck ITO film (Indium-Tin Oxide, tin indium oxide) to make upper compliant conductive base material 11 and lower compliant conductive base material 12.Upper compliant conductive base material 11 comprises polaroid 111, upper silicon dioxide layer 113 and upper ITO film 115, and lower compliant conductive base material 12 comprises lower polaroid 121, lower silicon dioxide layer 123 and lower ITO film 125.Upper compliant conductive base material 11 and lower compliant conductive base material 12 both can substitute the glass baseplate of former liquid crystal display, can play again the effect of polaroid.On upper compliant conductive base material 11 and lower compliant conductive base material 12, make the ITO figure, make lower ITO figure at the lower ITO film 125 of lower compliant conductive base material 12 at the ITO of upper compliant conductive base material 11 film by exposure technique.The exposure technique that adopts is identical with existing exposure technique, comprise apply photoresists, through the exposure of mask plate selectivity, develop, form and the processes such as the on all four photoetching offset plate figure of mask plate figure, harsh, cleaning at base material, do not repeat them here.
The PS support column arranges, and makes lower PS support column 15 at the lower ITO film 125 of lower compliant conductive base material 12, and lower PS support column 15 is connected in the lower ITO film 125 of lower compliant conductive base material 12.In the present embodiment, the lower PS support column 15 of lower compliant conductive base material 12 is the cylinder of 8 microns to 15 microns of diameters.
PI(polyimide, polyimide) film applies, on the lower ITO figure of the upper ITO figure of upper compliant conductive base material 11 and lower compliant conductive base material 12, apply respectively PI liquid (polyimide, polyimide), rub to form respectively upper PI film 16 and the lower PI film 17 of directed usefulness behind PI liquid (polyimide, the polyimide) hot setting by certain orientation with flannelette.The solidification temperature of PI liquid is less than or equal to 100 ℃.Upper PI film 16 and lower PI film 17 can be in the specific direction orientations of upper PI film 16 and lower PI film 17 edges for the liquid crystal 19 that makes liquid crystal box of flexible liquid crystal display 10.Coating is identical with existing technique with rubbing method, and rubbing angle requires according to product design and the polarization direction of upper compliant conductive base material 11, lower compliant conductive base material 12 arranges.
Become box, upper compliant conductive base material 11, lower compliant conductive base material 12 are laminated and make sylphon.Get compliant conductive base material 11 and stamp sealing epoxy resin glue as frame adhesive 20 with the silk screen process mode, adopt equally the silk screen process mode at lower compliant conductive base material 12 seal ITO electrode conduction point glue.Upper compliant conductive base material 11, lower compliant conductive base material 12 fitted and frame adhesive 20 is solidified to make sylphon.Alignment mark is set during applying, can exerts pressure so that liquid crystal box of flexible liquid crystal display 10 thickness keep evenly to upper compliant conductive base material 11, lower compliant conductive base material 12 during curing.Through behind the hot setting, the gap can not occur for the consistency of thickness of liquid crystal box of flexible liquid crystal display 10, upper compliant conductive base material 11, lower compliant conductive base material 12 changes.
The cutting of liquid crystal box of flexible liquid crystal display 10 adopts shearing or die-cut mode that liquid crystal box of flexible liquid crystal display 10 is cut into unit box to liquid crystal box of flexible liquid crystal display 10.Because upper compliant conductive base material 11, lower compliant conductive base material 12 are flexible materials, thereby can use and shear or die-cut mode is once finished, that omits former technique 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.
Sealing seals perfusing hole with ultraviolet curing glue.
Range estimation is or/and electrical measurement, checks by light platform and electric logging device outward appearance and the display graphics to product.
Because upper compliant conductive base material 11 is flexible parent metal, be difficult for fixing, apply, become in the box step at ITO graphic making, the setting of PS support column, PI film, upper compliant conductive base material 11 usefulness adhesive tapes are fixed on glass plate process.
The manufacture craft of lower PS support column 15 may further comprise the steps:
Frictioning is evenly scraped completely whole lower compliant conductive base material 12 with glue scraping plate with epoxy resin liquid.Be understandable that, gap that can be by glue scraping plate and lower compliant conductive base material 12 surfaces are set and glue scraping plate translational speed are to obtain thickness and the homogeneity of required epoxy resin liquid.
Spin coating will have the lower compliant conductive base material 12 of epoxy resin liquid to be placed on the spin coater, and compliant conductive base material 12 and High Rotation Speed are at 12 PS films that form consistency of thickness of lower compliant conductive base material thereby vacuum suction is stayed.The rotating speed of High Rotation Speed is greater than 600 circle per minutes.The thickness of PS film can be controlled 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 lower compliant conductive base material 12.The preliminary drying temperature is lower than 100 degree.
Exposure, design, is transferred to the dot pattern on the mask plate on the lower compliant conductive base material 12 by ultraviolet exposure by the dot pattern equidistant, that diameter is consistent on the mask plate.Epoxy resin liquid is photosensitive material, be subjected to the radiation of ultraviolet after, it is crosslinked that molecule occurs, and becomes soluble substance.
Develop, by developer solution removed by the part of ultraviolet radiation, the epoxy resin solid that forms equal altitudes, column on lower compliant conductive base material 12 surfaces as under PS support column 15.Because the film thickness monitoring of PS film is below 4 microns, thereby the height of the lower PS support column 15 that forms after the sensitization of PS film is also less than 4 microns.Lower PS support column 15 replaces the resin sphere of powder in liquid crystal box of flexible liquid crystal display 10, play the thick supporting role of box.
Clean, clean the developer solution of lower compliant conductive base material 12 remained on surface and the photosensitive material of dissolving with DI water.
Solidify, with the oven dry of the moisture in lower compliant conductive base material 12 and the epoxy resin, improve simultaneously the bonding strength of lower compliant conductive base material 12 and epoxy resin by high temperature.
The display effect of the payment cipher that is provided with flexible liquid crystal screen 1 of the present utility model is identical with existing glass liquid crystal display, but integral body is lighter, thinner, 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 utility model can be set to curved surface according to the display of design needs payment cipher, and structure is more reasonable.Simultaneously, the utility model adopts and is arranged at the resin sphere of powder that lower PS support column 15 replaces in original liquid crystal box of flexible liquid crystal display 10, plays the thick supporting role of box.Again can be firm with substrate bonding in the situation that thin box is thick, 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 liquid crystal display as flexible parent metal.Realize that on the basis of former liquid crystal display 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 arbitrarily crooked, integral thickness can be controlled in below the 0.4mm.Owing to removing layer glass substrate in original liquid crystal display, the optical transmittance of flexible liquid crystal screen 1 improves more than 1% than glass substrate liquid crystal display at least, guarantees the further raising of graphic correlation degree.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
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 described circuit board electrode.
2. the described payment cipher that is provided with flexible liquid crystal screen according to claim 1, it is characterized in that: the described 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. the described payment cipher that is provided with flexible liquid crystal screen according to claim 1, it is characterized in that: described flexible liquid crystal screen is made of liquid crystal box of flexible liquid crystal display, liquid crystal box of flexible liquid crystal display comprises the compliant conductive base material, lower compliant conductive base material, lower PS support column, polyimide (PI) film, lower polyimide film, liquid crystal and frame adhesive, upper compliant conductive base material comprises polaroid, upper silicon dioxide layer and upper ITO film, upper polaroid, upper silicon dioxide layer and upper ITO film set gradually, lower compliant conductive base material comprises lower polaroid, lower silicon dioxide layer and lower ITO film, lower polaroid, lower silicon dioxide layer and lower ITO film set gradually, upper compliant conductive base material, lower compliant conductive base material and frame adhesive gluing, sealing form airtight inner chamber, liquid crystal is filled in the airtight inner chamber, lower PS support column and liquid crystal are arranged between compliant conductive base material and the lower compliant conductive base material, lower PS support column is connected in lower compliant conductive base material, lower polyimide film is covered in described lower PS support column and lower compliant conductive base material, and described polyimide (PI) film is covered in the compliant conductive base material.
4. the described payment cipher that is provided with flexible liquid crystal screen according to claim 3, it is characterized in that: described lower PS support column adopts epoxide resin material.
5. the described payment cipher that is provided with flexible liquid crystal screen according to claim 3, it is characterized in that: described lower PS support column is formed by liquid-solidization of epoxy resin.
6. the described payment cipher that is provided with flexible liquid crystal screen according to claim 3, it is characterized in that: the height of described lower PS support column is less than 4 microns.
7. the described payment cipher that is provided with flexible liquid crystal screen according to claim 3, it is characterized in that: described polyimide (PI) film and lower polyimide film are formed by polyimide liquid hot setting.
8. the described payment cipher that is provided with flexible liquid crystal screen according to claim 7, it is characterized in that: the solidification temperature of described polyimide liquid is less than or equal to 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220036152 CN202694456U (en) | 2012-02-06 | 2012-02-06 | Payment cipherer provided with flexible liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220036152 CN202694456U (en) | 2012-02-06 | 2012-02-06 | Payment cipherer provided with flexible liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202694456U true CN202694456U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220036152 Expired - Lifetime CN202694456U (en) | 2012-02-06 | 2012-02-06 | Payment cipherer provided with flexible liquid crystal display |
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| Country | Link |
|---|---|
| CN (1) | CN202694456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542671A (en) * | 2012-02-06 | 2012-07-04 | 深圳市瑞福达液晶显示技术股份有限公司 | Payment password device with flexible liquid crystal display screen |
| CN105353544A (en) * | 2015-12-05 | 2016-02-24 | 邱成峰 | Method for manufacturing flexible LCD panel |
-
2012
- 2012-02-06 CN CN 201220036152 patent/CN202694456U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542671A (en) * | 2012-02-06 | 2012-07-04 | 深圳市瑞福达液晶显示技术股份有限公司 | Payment password device with flexible liquid crystal display screen |
| CN105353544A (en) * | 2015-12-05 | 2016-02-24 | 邱成峰 | Method for manufacturing flexible LCD panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140820 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |