CN103152893A - Flexible double-side displayer formed by combining light emitting wires - Google Patents
Flexible double-side displayer formed by combining light emitting wires Download PDFInfo
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- CN103152893A CN103152893A CN2013100505317A CN201310050531A CN103152893A CN 103152893 A CN103152893 A CN 103152893A CN 2013100505317 A CN2013100505317 A CN 2013100505317A CN 201310050531 A CN201310050531 A CN 201310050531A CN 103152893 A CN103152893 A CN 103152893A
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Abstract
The invention provides a flexible double-side displayer formed by combining light emitting wires. The flexible double-side displayer comprises a substrate matrix electrode layer, a light emitting layer, a surface matrix electrode layer and a transparent protection layer. The flexible double-side displayer is characterized in that the substrate matrix electrode layer consists of matrix grids formed by weaving metal base wires; the light emitting layer consists of inorganic electroluminescent materials; the surface matrix electrode layer consists of matrix grids formed by weaving metal base wires; after the transparent protection layer is completely sealed, the flexible double-side displayer is formed; the substrate matrix electrode layer and the surface matrix electrode layer are connected with a matrix scanning circuit breaker respectively; the generation of emitted light is controlled by the matrix scanning circuit breaker and an electronic chip, so that a double-side dynamic pattern combined from independent light emitting pixels is formed; the double-side dynamic pattern works under the conditions of 70-220V voltage of 70-220V and frequency of 50-4000Hz and generates no heat in the course of emitting light; and multicolour patterns, characters and dynamic images can be displayed. The flexible double-side displayer can be applied to the fields of dynamic advertising, light emitting clothes, computer terminal, large screen image display and the like.
Description
Technical field
The invention belongs to the electro-luminescence display device applied technical field.
Technical field
Key in herein technical field and describe paragraph.
Background technology
Light-emitting display device has been widely used in mobile phone, television set, computer etc. as the terminal equipment of information technology.The technical indicators such as the continuous pursuit of present stage novel flat-plate Display Technique is large, light, thin, economize on electricity.Mostly flat-panel monitor is take glass, plastic basis material as main body at present, as: Field Emission Display (FED), liquid crystal display (LCD), display of organic electroluminescence (OEL or OLED), plasma scope (PDP).Its shortcoming is easy fragmentation, area is limited, weight is large, work is generated heat, bendability is poor, cannot fold, the production cycle is long, cost is more high.Existing electroluminescent display is also equally take glass, plastics bases as main body, as: inorganic thick film electroluminescent display, inorganic thin-film electrofluorescence display, display of organic electroluminescence.
existing inorganic EL sheet plastics screen technology, it is a kind of flat plastic luminescent device that is based upon on inorganic powder electroluminescent material basis, simultaneously people have expanded at cloth etc. and have located, it uses screen printing technique to be made into fixedly luminous pattern or small size demonstration, control by circuit and realize that simplex switch flashes, existing a large amount of elaboration the in open source information, as: patent WO9626627, JP31-157070, China 87107413.3, 87105208.3, 96122380.4, 89106585.7, 200910056239.X, 201210022011.0, 201010140047.X etc., the not enough place of the device of above method preparation is to fold the dynamic change that realizes word, pattern, color, gray scale.Even use the display device of electro luminescence line braiding, be also the simple combined knitting of isolychn, it can't realize real pattern displaying, especially gray scale shows.
The flexible double-sided display of a kind of isolychn combination of the present invention, it comprises: substrate matrix electrode layer, luminescent layer, surface matrix electrode layer, protective clear layer, it produces the luminous display device of a kind of super plane take metal wire as main body.It has flexible folding property, lightweight, power savings good, production technology is simple, with low cost, the advantages such as gray scale can be arranged.
Matrix inorganic electroluminescent display of the present invention can the display color pattern, word, dynamic image.It can be applied in the fields such as dynamic advertising, lighting clothes, terminal, large-screen image demonstration.
Summary of the invention
A kind of flexible double-sided display of isolychn combination, it comprises: substrate matrix electrode layer, luminescent layer 5, surface matrix electrode layer, protective clear layer 6.It is characterized in that: the substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of, and it contains horizontal substrate matrix electrode 3 and vertical substrate matrix electrode 1.Luminescent layer is to be made of the inorganic EL material.The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of, and it contains lateral surfaces matrix electrodes 4 and vertical surface matrix electrodes 2.After sealing fully, protective clear layer 6 forms the flexible double-sided display.Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by the two-sided dynamic image of the first combination of independent light emitting pixel, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
In the present invention successively structure be substrate matrix electrode layer, luminescent layer, the surface matrix electrode layer formation electroluminescent device of combining closely.
The metal foundation line of the substrate matrix electrode layer in the present invention is that the metal copper wire by the 0.05-0.3 millimeter consists of, metal copper wire surface-coated has insulating barrier, the copper wire that scribbles insulating barrier laterally and vertically is woven into grid again, open weave is similar to screen window, the mesh size is determining the size of pixel elements, mesh can be square, circle, polygon etc., its Commonly Used Size is 1X1 millimeter, 3X3 millimeter, 5X5 millimeter etc., large scale needs transparency conducting layer 7 usually, otherwise can can't form continuous luminous, produce blackening.Substrate matrix electrode layer edge exposes laterally and vertical electrode, laterally all can independently control with vertical electrode for every.
The metal foundation line of the surface matrix electrode layer in the present invention is that the metal copper wire by the 0.05-0.3 millimeter consists of, the metal copper wire can first be woven into grid, and it forms an overall electrode, can't independently control laterally and vertical electrode, its use of directly can switching on forms electroluminescent device.
The metal copper wire of the surface matrix electrode layer in the present invention can first be woven into grid, and surface mesh is coated with insulating layer coating again; An insulating barrier covering metal silk part, it can form high pressure resistant two-sided electroluminescent device.It also can cover all wires and grid hole part by insulating barrier, forms high pressure resistant single face electroluminescent device, and visible light is sent by substrate matrix electrode layer grid.
Luminescent layer in the present invention is by silk screen printing or spraying method, and the AC electroluminescence dusty material is mixed with colloid, evenly is coated in the substrate matrix electrode layer surface, and another side and surface matrix electrode layer are combined closely.
The metal foundation line of the surface matrix electrode layer in the present invention is that the metal copper wire by the 0.05-0.3 millimeter consists of, and metal copper wire surface-coated has insulating barrier, and the copper wire that scribbles insulating barrier is woven into grid again; Surface matrix electrode layer edge exposes laterally and vertical electrode, and the method can independently be controlled laterally and vertical electrode, is conducive to the control of display pattern.
Insulating barrier in the present invention is by silk screen printing or spraying method, and one or more mix powder materials in barium titanate, titanium white, lead titanates, strontium titanates are mixed with colloid, evenly is coated on the metal copper wire and completes after drying.
A kind of flexible double-sided display of isolychn combination, it comprises: substrate matrix electrode layer, transparency conducting layer 7, luminescent layer 5, transparency conducting layer 7, surface matrix electrode layer, protective clear layer 6; It is characterized in that: the substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Luminescent layer is to be made of the inorganic EL material; The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Protective clear layer seals rear formation flexible double-sided display fully; Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by the two-sided dynamic image of the first combination of independent light emitting pixel, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
Substrate matrix electrode layer in the present invention and the metal foundation line of surface matrix electrode layer are that the metal copper wire by the 0.05-0.3 millimeter consists of, metal copper wire surface-coated has insulating barrier, and the many copper wires that scribble insulating barrier are twisted into line, can improve flexibility, folding resistance, then be woven into grid.Because each grid is by a plurality of independently line combinations, it can independently be controlled and form different brightness, consists of the pixel elements with gray scale.Surface matrix electrode layer and substrate matrix electrode layer edge expose laterally and vertical electrode, and it consists of, like this image of formation with stereovision.
Scribble transparency conducting layer in the present invention between substrate matrix electrode layer and luminescent layer; Scribble transparency conducting layer between luminescent layer and surface matrix electrode layer; Transparent conducting shell is to use a kind of in transparent polymeric conducting objects or ITO or ATO or ZnO electrically conducting transparent masking liquid.Transparency conducting layer has large resistance, and its electrode that is close to is controlled, if resistance hour matrix pixel unit becomes large, and by a plurality of laterally and vertical electrode control, can't form accurate pattern.
Protective clear layer in the present invention is to be made of dielectric ink or plastic film, and it seals up the flexible display surface, and edge electrodes is exposed.Fluorescent color coating red, blue, green composition that the protective clear layer outside can be printed or print, every kind of corresponding independent light emitting pixel of its difference of color is first, forms the flexible matrix color image display.When the preparation color monitor, electroluminescent material should be selected blue-green or blueness, and its emission spectrum is 430-490nm, and the fluorescent color coating material can produce absorption at 430-490nm, forms colorful light-emitting.When using this method to prepare the colorful light-emitting display, pixel elements should be as far as possible tiny, and the colorful light-emitting that produces is effective.
Description of drawings
The flexible double-sided display device structure figure of Fig. 1 isolychn combination
Fig. 2 contains the flexible double-sided display device structure figure of transparency electrode
Fig. 3 flexible display device electrode structural chart
Fig. 4 surface matrix electrode layer local structural graph
Fig. 5 substrate matrix electrode layer local structural graph
In figure, structure is:
1 substrate matrix electrode layer is vertical,
2 surface matrix electrode layers are vertical,
3 substrate matrix electrode layers laterally,
4 surface matrix electrode layers laterally,
5 luminescent layers,
6 protective clear layers,
7 transparency conducting layers
Embodiment
A kind of flexible double-sided display of isolychn combination, it comprises successively: substrate matrix electrode layer, luminescent layer, surface matrix electrode layer, protective clear layer.The substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Luminescent layer is to be made of the inorganic EL material; The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Protective clear layer seals rear formation flexible double-sided display fully; Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by the dynamic image of the first combination of independent light emitting pixel, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
Substrate matrix electrode layer in the present invention and the metal foundation line of surface matrix electrode layer, all that metal copper wire by the 0.05-0.3 millimeter consists of, the metal copper wire can make circle, flat, square etc., metal copper wire surface-coated has insulating barrier, thickness of insulating layer is about the 0.1-5 micron, the high voltage withstanding property of insulating layer thickness is good, and the thin anti-brightness of insulating barrier is good.The copper wire that scribbles insulating barrier is woven into grid again; Substrate matrix electrode layer edge exposes laterally and vertical electrode, and the electrode of each ranks can independently be controlled.
Luminescent layer in the present invention is by silk screen printing or spraying method, and the AC electroluminescence dusty material is mixed with colloid, evenly is coated in substrate matrix electrode layer surface mesh.AC electroluminescence dusty material of the same race is mixed with colloid, weight mixed proportion 1:1, more evenly be printed on surface mesh, heating 100 degree after dry 5 minutes with surface matrix electrode layer grid, pressurization is compounded in above luminescent layer, and heating, drying was completed after 20 minutes again.Screen mesh is at the 200-300 order, and the silk screen printing light emitting layer thickness is usually at the 50-100 micron, and when thickness is too large, luminous intensity can reduce, and when thickness is too thin, voltage-resistent characteristic is bad.Electroluminescence dusty material granularity is the 5-30 micron, and the luminescent powder color can be blue-green, blueness, green, orange etc., and wherein blue-green, blue emitting material can be changed by light and form colorful light-emitting.The electroluminescent powder model can be used D502B, D512C that commercially available prod KPT company produces or GG44, GG23, D417BC.Add organic fluorescent dye also can form colorful light-emitting in the electroluminescence dusty material, as: D330 is white, D611S is orange red etc.The colloid that uses in the present invention can be epoxy resin, fluoro-containing coating class, silicone-based coating class etc., is common commercially available prod; Wherein add cyanoethyl sugar, cyanoethyl ether can improve luminous intensity.
Substrate matrix electrode layer grid of the present invention, surface matrix electrode layer grid should have certain dislocation when therebetween such as luminescent layer, its firm and double-sided display better effects if.As substrate matrix electrode layer Box junction place, corresponding surface matrix electrode layer grid element center section.
Insulating barrier in the present invention is by silk screen printing or spraying method, and one or more the high medium mixture dusty materials in barium titanate, titanium white, lead titanates, strontium titanates are mixed with colloid, evenly is coated on the metal copper wire and completes after drying.Insulating barrier is to complete by silk screen printing or painting method, and completes after heating 100 degree dryings.Dielectric material can be one or more mix powder materials in barium titanate, titanium white, lead titanates, strontium titanates, and medium powder powder material granularity is usually less than 5 microns.It mixes with colloid, mixed weight ratio 1:1.The colloid that the present invention uses can be epoxy resin, fluoro-containing coating class, silicone-based coating class etc., is common commercially available prod; Wherein add cyanoethyl sugar, cyanoethyl ether can improve luminous intensity.Thickness of insulating layer is usually less than 30 microns, and when thickness is too large, luminous intensity can reduce, and when thickness is too thin, voltage-resistent characteristic is bad.
A kind of flexible double-sided display of isolychn combination, it comprises: substrate matrix electrode layer, transparency conducting layer, luminescent layer, transparency conducting layer, surface matrix electrode layer, protective clear layer; It is characterized in that: the substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Luminescent layer is to be made of the inorganic EL material; The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; The metal foundation line is to be combined by many copper cash; Protective clear layer seals rear formation flexible double-sided display fully; Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by independent luminous two-sided dynamic image with the first combination of gray-scale pixels, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
In the present invention, the metal foundation line of substrate matrix electrode layer and surface matrix electrode layer is that metal copper wire by the 0.05-0.3 millimeter consists of, metal copper wire surface-coated has insulating barrier, the many copper wires that scribble insulating barrier are twisted into line, every fine rule can independently be controlled, when it uses different brightness, can form the isolychn with gray scale after stranded, then be woven into grid, surface matrix electrode layer and substrate matrix electrode layer edge expose laterally and vertical electrode.
Scribble transparency conducting layer on the luminescent layer two sides in the present invention; Transparent conducting shell is to use a kind of in transparent polymeric conducting objects or ITO or ATO or ZnO electrically conducting transparent masking liquid, and transparency conducting layer has large resistance, and its electrode that is close to is controlled.
Protective clear layer in the present invention is to be made of dielectric ink or plastic film, and it seals up the flexible display surface, and edge electrodes is exposed.Fluorescent color coating red, blue, green composition that the protective clear layer outside can be printed or print, every kind of corresponding independent light emitting pixel of its difference of color is first, forms the flexible matrix color image display.When the preparation color monitor, electroluminescent material should be selected blue-green or blueness, and its emission spectrum is 430-490nm, and the fluorescent color coating material can produce absorption at 430-490nm, forms colorful light-emitting.When using this method to prepare the colorful light-emitting display, pixel elements should be as far as possible tiny, and the colorful light-emitting that produces is effective.
Advantage of the present invention
1. the present invention can make large-scale display with double faces, and can reduce as required cutting, and folding has solved existing giant display take LED as main situation.
2. display device of the present invention can bending fold, reduce difformity, its transportation with use simply lightly, this is that existing display is not available.
3. this display device can double-side, shows simultaneously piece image, and the pixel elements of image can on the make be adjusted.Simultaneously of the present invention with low cost.
The present invention can the display color pattern, word, dynamic image.It can be applied in the fields such as dynamic advertising, traffic indication, automotive advertising, lighting clothes, TV and household electrical appliances demonstration, terminal, large-screen image demonstration.
Embodiment
Select the copper cash of 0.05 millimeter of diameter, its surface scribbles the insulating barrier of 2 micron thickness, and insulating material uses barium titanate to mix with fluorine coating glue, and in temperature 100 degree oven dry, re-uses the metal foundation line that 5 line regularity are twisted into 0.15 millimeter of diameter.
Use the metal foundation line to weave the grid of aperture 2X2 millimeter, approximately 1 square metre of area is made substrate matrix electrode layer grid and surface matrix electrode layer grid.
Use the D502 luminescent material to mix with fluorine coating glue, use the silk-screen printing technique printing, make luminescent layer at substrate matrix electrode layer surface mesh, 50 microns of light emitting layer thickness, and temperature 100 degree oven dry 5 minutes.
Use pressure sintering that surface matrix electrode layer and luminescent layer heat seal is bonding, and in 25 minutes dryings of temperature 100 degree oven dry.
Use ITO brin reticulated printing at substrate matrix electrode layer and luminescent layer surface mesh, and in temperature 100 degree oven dry.
Use ITO brin reticulated printing at surface matrix electrode layer and luminescent layer surface mesh, and in temperature 100 degree oven dry.
Use the dielectric ink printing to cover the two sides and form protective layer, and draw matrix electrodes at the edge respectively, the Loading Control circuit forms the double-side display.
After execution mode has been done to illustrate preferably for the present invention in the above, what should understand to one skilled in the art is, in the situation that without departing from the spirit and scope of the present invention, any changes and improvements made for the present invention all within the scope of the invention.
Claims (10)
1. the flexible double-sided display of isolychn combination, it comprises: substrate matrix electrode layer, luminescent layer, surface matrix electrode layer, protective clear layer; It is characterized in that: the substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Luminescent layer is to be made of the inorganic EL material; The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Protective clear layer seals rear formation flexible double-sided display fully; Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by the two-sided dynamic pattern of the first combination of independent light emitting pixel, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
2. the flexible double-sided display of a kind of isolychn combination as claimed in claim 1, the metal foundation line of substrate matrix electrode layer is that the metal copper wire by the 0.05-0.3 millimeter consists of, metal copper wire surface-coated has insulating barrier, and the copper wire that scribbles insulating barrier is woven into grid again; Substrate matrix electrode layer edge exposes laterally and vertical electrode.
3. the flexible double-sided display of a kind of isolychn combination as claimed in claim 1, the metal foundation line of surface matrix electrode layer are that the metal copper wire by the 0.05-0.3 millimeter consists of, and the metal copper wire is woven into grid, and surface mesh is coated with insulating layer coating again; Surface matrix electrode layer edge exposes laterally and vertical electrode.
4. the flexible double-sided display of a kind of isolychn combination as claimed in claim 1, luminescent layer is by silk screen printing or spraying method, and the AC electroluminescence dusty material is mixed with colloid, evenly is coated in the substrate matrix electrode layer surface.
5. the flexible display of a kind of isolychn combination as claimed in claim 1, the metal foundation line of surface matrix electrode layer are that the metal copper wire by the 0.05-0.3 millimeter consists of, and metal copper wire surface-coated has insulating barrier, and the copper wire that scribbles insulating barrier is woven into grid again; Surface matrix electrode layer edge exposes laterally and vertical electrode.
6. the flexible double-sided display of a kind of isolychn combination as claimed in claim 1, insulating barrier is by silk screen printing or spraying method, one or more mix powder materials in barium titanate, titanium white, lead titanates, strontium titanates are mixed with colloid, evenly be coated on the metal copper wire and complete after drying.
7. the flexible double-sided display of isolychn combination, it comprises: substrate matrix electrode layer, transparency conducting layer, luminescent layer, transparency conducting layer, surface matrix electrode layer, protective clear layer; It is characterized in that: the substrate matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; Luminescent layer is to be made of the inorganic EL material; The surface matrix electrode layer is to be woven into matrix grid by the metal foundation line to consist of; The metal foundation line is to be combined by many copper cash; Protective clear layer seals rear formation flexible double-sided display fully; Substrate matrix electrode layer, surface matrix electrode layer are connected with the matrix-scanning circuit device respectively, control generation by matrix-scanning circuit device and electronic chip luminous, formation is by the two-sided dynamic image of the first combination of independent luminous gray-scale pixels, it is worked under voltage 70-220V, frequency 50-4000Hz condition, does not produce heat when luminous.
8. the flexible double-sided display of a kind of isolychn combination as claimed in claim 7, the metal foundation line of substrate matrix electrode layer and surface matrix electrode layer is that the metal copper wire by the 0.05-0.3 millimeter consists of, metal copper wire surface-coated has insulating barrier, the many copper wires that scribble insulating barrier are twisted into line, be woven into again grid, form gray-scale Control; Surface matrix electrode layer and substrate matrix electrode layer edge expose laterally and vertical electrode.
9. the flexible double-sided display of a kind of isolychn combination as claimed in claim 7, scribble transparency conducting layer between substrate matrix electrode layer and luminescent layer; Scribble transparency conducting layer between luminescent layer and surface matrix electrode layer; Transparent conducting shell is to use a kind of in transparent polymeric conducting objects or ITO or ATO or ZnO electrically conducting transparent masking liquid, and transparency conducting layer has large resistance, and its electrode that is close to is controlled.
10. the flexible double-sided display of a kind of isolychn combination as claimed in claim 1, protective clear layer is to be made of dielectric ink or plastic film, it seals up the flexible display surface, and edge electrodes is exposed.
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| US11252835B2 (en) | 2017-09-08 | 2022-02-15 | Huawei Technologies Co., Ltd. | Bendable cover, bendable display module, and bendable terminal device |
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| CN107644944B (en) * | 2017-09-12 | 2019-12-03 | 武汉华星光电半导体显示技术有限公司 | Flexible material, flexible cover plate and preparation method thereof |
| US10665824B2 (en) | 2017-09-12 | 2020-05-26 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible material and preparation method thereof, flexible cover plate and preparation method thereof |
| CN111229996A (en) * | 2020-03-09 | 2020-06-05 | 萧县金科电工线材有限公司 | Double-coating stainless steel and gold steel mesh and manufacturing method thereof |
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| CN103152893B (en) | 2015-07-15 |
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