CN202871209U - Transparent display screen - Google Patents
Transparent display screen Download PDFInfo
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- CN202871209U CN202871209U CN 201220495542 CN201220495542U CN202871209U CN 202871209 U CN202871209 U CN 202871209U CN 201220495542 CN201220495542 CN 201220495542 CN 201220495542 U CN201220495542 U CN 201220495542U CN 202871209 U CN202871209 U CN 202871209U
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Abstract
The utility model discloses a transparent display screen. The transparent display screen comprises transparent electricity-conductive materials, a transparent substrate and a display unit, wherein the transparent substrate is connected with the transparent electricity-conductive materials, and the display unit is connected with the transparent electricity-conductive materials. According to the transparent display screen, a low-cost transparent electricity-conductive film is adopted and is divided into a plurality of areas through etching techniques, surface mounting light emitting diodes are fixed on the transparent substrate through transparent solid crystal glue, so that a light emitting diode array is formed, and transparent display is achieved through external circuit driving.
Description
Technical field
The utility model relates to the display screen field, relates in particular to a kind of transparent display screen.
Background technology
Along with the progress of society and the development of science and technology, particularly entered since 21st century, human society progresses into the information age, and our production, life, work and mode of learning are all just experiencing deep change, and information becomes the valuable source of society.Display is requisite communication instruments of these epoch, and the particularly in recent years develop rapidly of semiconductor light-emitting-diode (LED) technology is so that light-emitting diode display becomes one of main flow display device of information age.
(SMD LED) emerged in calendar year 2001 along with paster LED, and increasing LED display curtain is used to large size city square display screen, guidance lighting, the fields such as lamp box advertisement.The color diversity of the display screen of LED, brightness height make its display effect more attractive, also become gradually the focus that people pay close attention to.
LED is except in the making that is applied to traditional extensive display screen, and the display screen of various novelties is developed by people gradually.Common display screen all is nontransparent on the market, can't realize double-sided display, for catering to market demand, needs the new display mode of invention, constantly promotes the display effect of LED.Can be so that display effect be more beautiful such as hope, hope can be implemented in and realize transparent demonstration on the transparent carrier such as glass, even wishes to design a novel bendable transparent display screen etc.When the time comes, the transparent falling ground window has become the large-area displays screen, can show the data such as the speed of a motor vehicle, GPS navigation on the windshield of car.Even, can make the display screen of cylinder type, computer display screen also can be made can rolling, in needs, with its expansion, then rolls when not required.Along with the development of social science and the expansion of the market demand, realize that at transparent medium the new demand that shows becomes the new problem that LED shows.
And at present common transparent display screen is the OLED screen, can be transparent, soft bent, but price is high, and the making area can not be very large, be generally used in the screen of the digital device such as mobile phone.At manufacture view, this technology also is difficult to make the large-area transparent display material, thereby is unfavorable for spread.
Also have patent (200920205031.5) to adopt conduct electricity wire casing and LED to be embedded between two transparency glass plates, and offer the wire casing perpendicular to glass on the clear glass surface, and the mode of filling transparency material removes to make transparent display screen.But it is more obvious that this mode connects up on the one hand, causes transparency to reduce.Simultaneously, because the too much wire casing of glass surface, the overall appearance degree has reduced.On the other hand, adopt this composite structure, so that thickness of displays has increased greatly.
Patent (200920179759.5) adopts LED lamp and circuit is placed transparent tube core, forms the transparent devices of light emitting diode, thereby makes the LED transparent display screen.But this method is used for having adopted many transparent tube cores to remove to form transparent display screen, so that the show uniformity of display screen can not be guaranteed.
The utility model content
The utility model overcome exist in the prior art thickness of displays excessive, show the defectives such as inhomogeneous, a kind of transparent display screen has been proposed.Transparent display screen of the present utility model adopts the low-cost transparent conductive film, utilize lithographic technique that conductive film is divided into some zones, adopt surface labeling LED to be fixed in the electrically conducting transparent substrate by transparent crystal-bonding adhesive, form dot matrix LEDs, the drives by the external world realizes transparent demonstration.The utility model adopts lithographic method to etch the turning part at transparent conductive film, avoid destroying the homogeneity of transparent display screen, low cost of manufacture of the present utility model and only adopt the layer of transparent substrate has been avoided the blocked up inconvenience that brings of thickness of transparent display screen.
The utility model proposes a kind of transparent display screen, comprising:
Transparent conductive material;
Transparent substrates, it is connected with described transparent conductive material;
Display unit, it is connected with described transparent conductive material.
Wherein, further comprise: binding material, it is bonded between described transparent conductive material and the transparent substrates.
Wherein, described transparent conductive material comprises nano-silver thread film, carbon nano-tube film, nano indium tin metal-oxide film, fluorine doped tin oxide film; The diameter of described transparent conductive material is 1nm-100nm, and length is 8-15 μ m.
Wherein, described transparent substrates comprises glass, organic glass, polyethylene terephthalate.
Wherein, described display unit comprises surface labeling LED, cross-line.
Wherein, described binding material comprises polyvinyl alcohol (PVA).
The utility model is divided into some zones with conductive film, adopts surface labeling LED to be fixed in the electrically conducting transparent substrate by transparent crystal-bonding adhesive, forms dot matrix LEDs, and the drives by the external world realizes transparent demonstration, has reduced cost of manufacture.
The utility model adopts lithographic method to etch zones of different at transparent conductive film, avoids destroying the homogeneity of transparent display screen.
Low cost of manufacture of the present utility model and only adopt the layer of transparent substrate has been avoided the blocked up inconvenience that brings of thickness of transparent display screen.
The utility model manufacture craft simply and not is subjected to area constraints, can be for the manufacture of the low-cost large-area transparent display.
Description of drawings
Fig. 1 is the structural drawing of the real transparent display screen of the utility model.
Fig. 2 is character type display ITO film laser ablation design drawing among the utility model embodiment.
Fig. 3 is that the ITO conductive film is realized fixed character transparent display screen, the current-voltage correlation figure of single SMD LED among the utility model embodiment.
Fig. 4 utilizes the self-control nano-silver thread to realize that the flexible and transparent dynamic Chinese character shows design drawing among the utility model embodiment.
Fig. 5 is for adopting Single-chip Controlling, the design sketch that the Chinese character that utilizes flexible and transparent dynamic Chinese character display screen to show " is received "..
Embodiment
In conjunction with following specific embodiments and the drawings, the utility model is described in further detail.Implement process of the present utility model, condition, experimental technique etc., except the following content of mentioning specially, be universal knowledege and the common practise of this area, the utility model is not particularly limited content.
Among Figure of description 1-Fig. 5,1-transparent conductive material, 2-binding material, 3-transparent substrates, 4-display unit, the lines that 5-is to be etched or zone, 41-surface labeling LED, 42-0 Europe resistance.
The structural drawing of transparent display screen among the utility model embodiment that Fig. 1 shows.Transparent display screen of the present utility model comprises: transparent conductive material 1, transparent substrates 3, display unit 4.
Transparent conductive material 1 is used for the parts of conducting transparent display screen.Transparent substrates 3 is connected with transparent conductive material 1, and transparent substrates 3 is as the base material of transparent display screen.Display unit 4 is connected with transparent conductive material 1, for the content of the display screen that shows transparency.
More specifically, the utility model further comprises binding material 2, adopts binding material 2 to connect transparent substrates 3 and transparent conductive material 1.
More specifically, transparent conductive material 1 comprises nano-silver thread film, carbon nano-tube film, nano indium tin metal oxide (ITO) film, fluorine doped tin oxide (FTO) film in the utility model preferred embodiment.The diameter of transparent conductive material is 1nm-100nm, and length is 8-15 μ m.
More specifically, transparent substrates 3 comprises glass, organic glass, polyethylene terephthalate (PET) in the utility model preferred embodiment.
More specifically, display unit 4 comprises surface labeling LED (SMD LED), cross-line in the utility model preferred embodiment.Wherein, can connect the function that zones of different on the transparent conductive material 1 realizes cross-line equally by adopting 0 Europe resistance.
More specifically, binding material 2 comprises polyvinyl alcohol (PVA) (PVA) in the utility model preferred embodiment.
The utility model need to adopt transparent conductive material 1(nano-silver thread, ito thin film, carbon nano-tube etc.) with transparent substrates 3(glass, organic glass, PET etc. are arranged) bond with binding material 2, increase the firm degree of transparent conductive film.By centrifugal, hang the method such as be coated with, with binding material 2(such as PVA) evenly be applied to transparent substrates 3 surfaces, then utilize the method such as hyperthermia drying that transparent conductive material 1 is evenly adhered on the binding material 2, finish the making of transparent display screen.If transparent substrates 3 is selected the materials such as PET, can realize the transparent flexible display screen.In the PET substrate, when the utility model was 6 Ω/ at square resistance, visible light transmissivity surpassed 60%.
Each SMD LED cleans the electrically conducting transparent substrate surface first with in the full series connection form place in circuit in the circuit, utilizes etching machine, makes the electrically conducting transparent substrate just form independent well-regulated conducting region by designing requirement.With glue (such as crystal-bonding adhesive etc.) SMD LED is mounted on the transparent conductive material 1, through high temperature drying, after the milky crystal-bonding adhesive solidifies, transfers to transparent.By gluing process, use both positive and negative polarity that conducting resinl (such as elargol etc.) makes SMD LED respectively with the conducting of transparent conductive material 1.Etching graphic designs by different can form different loops, can make different demonstration fonts.Below transparent substrates 3, draw respectively the both positive and negative polarity electrode leads to client of transparent display screen, reduce sizeable conducting strip (such as Copper Foil etc.) and be fixed in two electrode tips, with corresponding wire welding on electrode.By above structure, transparent display screen has just completed.Suitable driving circuit is mixed in the outside, can allow the transparent flexible display screen show.
The utility model adopts the low-cost transparent conductive film, utilizes lithographic technique that conductive film is divided into some zones, and SMD LED is fixed on by transparent crystal-bonding adhesive and forms the LED matrix in the electrically conducting transparent substrate, chooses driving circuit, realizes transparent demonstration.More specifically, but the utility model transparent flexible display screen is divided into fixed character transparent display screen and addressing transparent display screen two classes.
What Fig. 2 showed is fixed character transparent display screen and etched portions thereof, and what wherein identify 1 demonstration is transparent conductive material, and what sign 5 signs showed is etching machine lines to be etched or zone.For the fixed character transparent display screen, according to design character demand, adopt Software for Design membrane electrode wiring diagram, as shown in Figure 2 first.Utilize etching machine (laser ablation or engraving machine etching), transparent conductive material 1 is cut according to the wiring diagram that designs, cutting part plays the effect of electric current on the blocking-up transparent conductive material 1.Be connected with extraneous power supply around the transparent conductive material 1, being cut part that line surrounds is cut line and has blocked and being connected of external power supply, the both sides of line of cut are bonding with the silver slurry with the both positive and negative polarity (being electrode) of SMD LED respectively, anodal and the extraneous power turn-on with SMD LED, with be cut line and surround between the negative pole that part is connected and produced voltage difference, make electric current pass through SMD LED, allow SMD LED enter duty, said structure is equivalent to SMD LED series connection has been accessed in the circuit.By said structure, near the SMD LED line of cut is luminous because of voltage difference, has shown the character that designs.
More specifically, each SMD LED so the size of the square resistance of transparent conductive material 1 selection ito thin film can have influence on the electric current by SMD LED, thereby affects luminosity with in the full series connection form place in circuit in the circuit, and the loss of electric energy.What Fig. 3 showed is that the ITO conductive film is realized fixed character transparent display screen, the current-voltage correlation figure of single SMD LED.Wherein, the voltage of SMD LED under normal working voltage (20mA) is 3.2v, and the number that this is related to whole circuit series LED under 220v voltage is related to the design of external drive circuit.Thereby the utility model preferred embodiment option table surface resistance is the ito thin film of 10 Ω/.Adopt alcohol that the ito thin film surface clean is clean.Open etching laser machining, the adjusting laser power is 7.7W, and ito thin film is faced up, and is placed on the laser ablation district.Regulate the distance between ito thin film and the laser head, laser can be focused on the ito thin film.The font that designs is imported, open etching and begin the etching ito thin film.After several minutes, ito thin film just forms independent well-regulated conducting region by designing requirement.Etching graphic designs by different can form different loops, can make different demonstration fonts.After finishing the base material circuit design, with crystal-bonding adhesive with SMD LED(0805 type, red, green) be mounted on respectively on the ito thin film that is bonded on the transparent substrates 3, through high temperature drying (＜150 degree), after the milky crystal-bonding adhesive solidifies, transfer to transparent.By gluing process, use both positive and negative polarity that elargol makes SMD LED respectively with the conducting of ito thin film (being transparent conductive material 1).More specifically, if adopt flexible clear materials in transparent substrates 3(transparent substrates 3, then will obtain the transparent flexible display screen) the below draw respectively the both positive and negative polarity electrode leads to client of transparent display screen, reduce sizeable Copper Foil and be fixed in two electrode tips, corresponding wire welding on electrode, is obtained transparent display screen.
But what Fig. 4 showed is the facilities of addressing transparent display screen.Wherein, the SMD LED of sign 41 expression display units 4,0 Europe resistance of sign 42 expression display units 4.But the utility model preferred embodiment addressing transparent display screen contrasts transparent non-dynamic demonstration, needs a kind of etching scheme that can be fit to dynamically show the addressing driving circuit of design.Adopt Software for Design to go out corresponding etch areas, design be 16 * 16 addressing type of drive, as shown in Figure 4, be directions X laterally, be followed successively by X1, X2 ..., X16; Is Y-direction vertically, be followed successively by Y1, Y2 ..., Y16.Wherein Y-direction is comprised of 16 whole conducting elongated area, and directions X is because the electric conductivity of transparent conductive film, so separated form in being designed on the directions X, and make the conducting band that is connected across Y on the directions X by 0 Europe resistance cross-lines such as (or) transparent wires, reach the conducting of directions X.When generating positive and negative voltage is connected on respectively X1, Y1 place, the SMD LED that then is connected across X1, Y1 will produce voltage difference, and SMD LED is just in running order.In like manner as can be known, during by the corresponding electrode coordinate of control inputs voltage (horizontal ordinate X and ordinate Y), can reach the effect of lighting diverse location LED, reach the purpose of control luminescence unit.
More specifically, the utility model preferred embodiment utilization self-control nano-silver thread realizes that the flexible and transparent dynamic Chinese character shows.
Wherein, the utility model preferred embodiment adopts wet method to prepare nano-silver thread, and with repeatedly alcohol wash, the filtration of nano-silver thread that makes, dilution is rear as transparent conductive material 1.Clean the PET film as transparent substrates 3, then 5% PVA is utilized the method for centrifugal (1500r/min) as binding material 2, evenly be applied to the PET material surface.Under 80 celsius temperatures, nano-silver thread evenly is applied to the pet sheet face of PVA.Adopt design dynamically to show addressing driving circuit and etching scheme, utilize etching laser machining, transparent conductive material 1 is carried out etching, and with crystal-bonding adhesive with SMD LED(0805 type, white) be mounted on the nano-silver thread, through high temperature drying (＜150 degree), after the milky crystal-bonding adhesive solidifies, transfer to transparent.By gluing process, use both positive and negative polarity that elargol makes SMD LED respectively with the nano-silver thread conducting, again use crystal-bonding adhesive, with 0 Europe resistance (0805 type), be bonded at the position that design disconnects on the directions X, then oven dry.
More specifically, above transparent display screen and right-handly draw respectively 16 electrode leads to client, reduce sizeable Copper Foil and be fixed on the transparent conductive material 1, with corresponding wire welding on electrode.The top is that LED is anodal, is connected on by triode on the positive pole of single-chip microcomputer, and right-hand is the negative pole of LED, directly is connected on the negative pole of single-chip microcomputer.
But the utility model is not limited in this, and those skilled in the art can and use needs utilization self-control nano-silver thread and ITO conductive film to realize that the flexible and transparent dynamic Chinese character shows according to actual design.Adopt wet method to prepare nano-silver thread in the utility model preferred embodiment, with repeatedly alcohol wash, the filtration of nano-silver thread that makes, dilution is rear as transparent conductive material 1.Design dynamically shows addressing driving circuit and etching scheme, utilizes etching laser machining, and the transparent substrates 3 of ito thin film is carried out etching.Utilize silk-screen printing technique, the place coats transparent insulation material at cross-line, forms insulation course.Then again adopt silk-screen printing technique thereon, coat nano-silver thread (nano-silver thread and transparent wire reticulated printing wet end furnish are about 1%-5%), make the two ends conducting of nano-silver thread.With crystal-bonding adhesive with SMD LED(0805 type, white) be mounted on the transparent substrates 3, through high temperature drying (＜150 degree), after the milky crystal-bonding adhesive solidifies, transfer to transparent.
By gluing process, use both positive and negative polarity that elargol makes SMD LED respectively with the nano-silver thread conducting.Above transparent display screen and right-handly draw respectively 16 electrode leads to client, reduce sizeable Copper Foil and be fixed on the electrode tip, with corresponding wire welding on electrode.The top is that SMD LED is anodal, is connected on by triode on the positive pole of single-chip microcomputer, and right-hand is the negative pole of SMD LED, directly is connected on the negative pole of single-chip microcomputer.What Fig. 5 showed is to adopt Single-chip Controlling, and the Chinese character that utilizes flexible and transparent dynamic Chinese character display screen to show " is received ".
Protection content of the present utility model is not limited to above embodiment.Do not deviating under the spirit and scope of utility model design, those skilled in the art can to variation and advantage all be included in the utility model, and take appending claims as protection domain.
Claims (6)
1. a transparent display screen is characterized in that, comprising:
Transparent conductive material (1);
Transparent substrates (3), it is connected with described transparent conductive material (1);
Display unit (4), it is connected with described transparent conductive material (1).
2. transparent display screen as claimed in claim 1 is characterized in that, further comprises: binding material (2), it is bonded between described transparent conductive material (1) and the transparent substrates (3).
3. transparent display screen as claimed in claim 1 is characterized in that, described transparent conductive material (1) comprises nano-silver thread film, carbon nano-tube film, nano indium tin metal-oxide film, fluorine doped tin oxide film; The diameter of described transparent conductive material is 1nm-100nm, and length is 8-15 μ m.
4. transparent display screen as claimed in claim 1 is characterized in that, described transparent substrates (3) comprises glass, organic glass, polyethylene terephthalate.
5. transparent display screen as claimed in claim 1 is characterized in that, described display unit (4) comprises surface labeling LED, cross-line.
6. transparent display screen as claimed in claim 2 is characterized in that, described binding material (2) comprises polyvinyl alcohol (PVA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495542 CN202871209U (en) | 2012-09-26 | 2012-09-26 | Transparent display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495542 CN202871209U (en) | 2012-09-26 | 2012-09-26 | Transparent display screen |
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| CN202871209U true CN202871209U (en) | 2013-04-10 |
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| CN 201220495542 Expired - Lifetime CN202871209U (en) | 2012-09-26 | 2012-09-26 | Transparent display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489378A (en) * | 2013-09-11 | 2014-01-01 | 深圳市安华隆科技有限公司 | LED (light emitting diode) displaying method and LED displaying board using same |
| CN103761928A (en) * | 2013-12-30 | 2014-04-30 | 深圳蓝波绿建集团股份有限公司 | LED (light emitting diode) curtain wall and manufacturing method thereof |
| CN106486021A (en) * | 2015-08-26 | 2017-03-08 | 深圳市斯迈得半导体有限公司 | A kind of LED outdoor display screen |
| CN113450672A (en) * | 2021-07-28 | 2021-09-28 | 江西华创触控科技有限公司 | Transparent display screen |
-
2012
- 2012-09-26 CN CN 201220495542 patent/CN202871209U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489378A (en) * | 2013-09-11 | 2014-01-01 | 深圳市安华隆科技有限公司 | LED (light emitting diode) displaying method and LED displaying board using same |
| CN103761928A (en) * | 2013-12-30 | 2014-04-30 | 深圳蓝波绿建集团股份有限公司 | LED (light emitting diode) curtain wall and manufacturing method thereof |
| CN106486021A (en) * | 2015-08-26 | 2017-03-08 | 深圳市斯迈得半导体有限公司 | A kind of LED outdoor display screen |
| CN113450672A (en) * | 2021-07-28 | 2021-09-28 | 江西华创触控科技有限公司 | Transparent display screen |
| CN113450672B (en) * | 2021-07-28 | 2024-03-29 | 江西华创触控科技有限公司 | Transparent display screen |
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Granted publication date: 20130410 |