CN100384302C - Electroluminescenjt tube illuminant line and its production method - Google Patents
Electroluminescenjt tube illuminant line and its production method Download PDFInfo
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- CN100384302C CN100384302C CNB031408362A CN03140836A CN100384302C CN 100384302 C CN100384302 C CN 100384302C CN B031408362 A CNB031408362 A CN B031408362A CN 03140836 A CN03140836 A CN 03140836A CN 100384302 C CN100384302 C CN 100384302C
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Abstract
The present invention discloses a luminous wire of an electroluminescent tube. The concrete scheme of the present invention is that at least one metal or nonmetal conductive wire is used as a line-shaped central electrode of an electrical field of an electroluminescent wire. A luminous layer composed of the mixture of luminescent powder and a transparent high molecular polymer of thermal plasticity or synthetic resin is directly surrounded and coated or extruded on the outer wall of the line-shaped central electrode; a light transmission electrode layer is uniformly coated on the outer wall of the line-shaped luminous layer in a surrounding mode; an auxiliary electrode is wound outside the light transmission electrode layer; a transparent polymer layer is wrapped on an outermost layer. The transparent polymer of thermal plasticity or the synthetic resin material has excellent insulating performance and dielectric performance, and after the transparent polymer of thermal plasticity or the synthetic resin material is mixed with luminous powder, an insulating medium wrapping layer is formed on the outer layer of luminous powder granules. The luminous layer composed of the mixture can be directly wrapped or coated on the central electrode, and the insulating medium coating can be saved so as to save a manufacturing work procedure and reduce the cost. The present invention also provides the producing method of the luminous wire.
Description
Technical field
The present invention relates to electroluminescent powder illuminating source field.Relate in particular to a kind of flexible wire or tubulose luminous element and production technology thereof.
Background technology
The structure of existing electroluminescent powder isolychn and production technology, it is outer wall at the axial circumference of metal conductive wire, coating one deck electric insulating medium, again at the outer wall of this layer insulating medium layer, the mixture of coating luminescent powder and binding agent, and then in luminescent powder and binding agent mixed layer outer wall sputter layer of metal transparency electrode, owing to can stay the hole that is full of air after the binding agent in luminescent powder and the binding agent mixed layer partly volatilizees, these holes can reduce the field of light source sends a telegraph appearance and forms small stain, thereby reduces the brightness of isolychn.In order to fill these holes, a kind of transparent filling liquid of general employing, in extraordinary device, see through transparent electrode layer, permeate and be filled in the hole and go, in order to prevent that filling liquid from permeating again or evaporate from hole, also on the outer wall of transparent electrode layer, apply the transparent barrier-layer of one deck silicone oil again.Because this isolychn structure and manufacture craft are very complicated, the infiltration quality of filling liquid and the blocking effect on barrier layer are difficult to guarantee that this isolychn is the cost height not only, involve great expense, and luminous mass and effect also are difficult to guarantee.
Summary of the invention
Purpose of the present invention is exactly to overcome the above-mentioned defective that prior art exists, and under equal luminescent material and condition, provides a kind of structure and production process simple and practical, the isolychn that cost is low, luminous mass is reliable and stable.
The present invention further provides a kind of electro luminescence line that adopts nonmetal wire producing, this isolychn is compared the isolychn that existing plain conductor is made, and softness, tension, range of application are also more extensive more.
The luminous tube that the present invention also further provides a kind of metal or flexible nonmetallic tubing to make, this luminous tube is compared the existing cylindric luminous element of being made up of side by side several isolychns, and is light, soft, light-emitting area is big, cost is low.
The concrete scheme of product of the present invention is by at least one metal or the nonmetal lead linear central electrode as the electroluminescence wire electric field, the luminescent layer of being made up of the mixture of luminescent powder and transparent thermoplastic high molecular polymer or synthetic resin is directly around coating or be squeezed in the outer wall of linear central electrode, again on the outer wall of linear luminescent layer, uniform ring is around the coating euphotic electrode layer, outside euphotic electrode layer, twine auxiliary electrode, and wrap up a transparent polymeric layer at outermost layer.
Transparent thermoplastic polymer or synthetic resin material have good insulation performance and dielectric property, behind its mixed luminescence powder, make the skin of luminescent powder particle form the dielectric coating, the luminescent layer that this mixture is formed, can directly coat or be coated on the central electrode, can save the dielectric coating of forming by the inorganic material barium titanate powder therebetween, thereby also save production process one, reduce product cost.
Manufacture craft of the present invention, it mainly is the coated technique of luminescent layer, different and be divided into two kinds with the functional high molecule material of mixed luminescence powder: 1) when the lucite of luminescent powder and insulative dielectric, as organic silicones or polyurethane, when epoxy resin composition is formed luminescent layer, this luminescent layer need be more than once the repeatedly extrusion coating of the coating coating slurry of forming with the luminescent powder of variable concentrations and synthetic resin mixture and corresponding compounding ingredient, the concentration of the luminescent powder in the promptly above-mentioned coating coating slurry reduces one by one with the number of times of coating.About the each applied thickness 10um of above-mentioned coating, the luminescent powder of back primary coating layer can advance in the spill slit of last coating surface formation by extrusion packing, luminescent powder is fine and close in the luminescent layer after the once above extrusion coating arranges, and residue hole is seldom filled up by the macromolecule polyester resin after thermosetting and the solid PROCESS FOR TREATMENT of light or the cross-linking agent of organic siliconresin again; 2) when luminescent powder and transparent thermoplastic high molecular polymer mixing composition luminescent layer, the thermoplastic polymer of transparent insulation dielectric and luminescent powder mixing granulation then by the plastics plastic extruding machine, directly squeeze and apply on the lead of central electrode, about thickness 40um; More than the luminescent layer made of two kinds of composite materials and technology, all have the insulative dielectric performance, that its surface energy forms is one smooth, bright, film, electric capacity and the brightness of insulation, dielectric significantly improve.
The present invention further provides a kind of new construction and new technology that enlarges the linear luminous element of light-emitting area, enlarge the light-emitting area of linear luminous element, generally need to strengthen the diameter of solid linear central electrode, but solid linear central electrode enlarged diameter, the flexibility of linear luminous element will descend, and weight also can significantly increase, and the diameter increase of linear luminous element central electrode is restricted, also be limited, generally below 2mm.Change solid linear central electrode into hollow linear central electrode, promptly make the central electrode of linear luminous element, just can produce that light-emitting area significantly improves, the tubular luminous element of light softness with metal or nonmetal conduction flexible pipe.
For improving the flexibility of tubular luminous element, the conduction flexible pipe can adopt metal hose, bellows, singly collude and two elastomeric electrical protecting pipe, metal or nonmetal conductive thread flexible hose, conductive plastics and conductive rubber flexible pipe, plastics metal-coated membrane flexible pipe of colluding.
Outer wall around the tubular core electrode, around the luminescent layer that extrusion coating is made up of the mixture of luminescent powder and lucite or coating transparent thermoplastic high molecular polymer, the outer wall around luminescent layer is around the coating euphotic electrode layer.
Among isolychn and the luminous tube euphotic electrode layer or on the entire axial length of outer wall, have at least a thin metal conductive wire to contact with euphotic electrode as auxiliary electrode, when auxiliary electrode was two above metal conductive wire, spiral or positive backpitch intersected and are wrapped among the euphotic electrode or on its outer wall in the same way.Form the metal or the nonmetal conductive thread flexible hose of the central electrode of luminous tube of the present invention, can pass through the plastics plastic extruding machine, be coated in the polymer flexible pipe, on polymer flexible pipe outer wall, more successively around coating luminescent layer, euphotic electrode layer.
The luminescent powder of forming luminescent layer of the present invention can be mixed by inorganic matter luminescent material zinc sulphide and copper powder and form, also can be by the higher macromolecule luminous organic material of luminosity, as compositions such as poly-alkylthrophene, p-phenylene vinylene, poly alkyl fluorenes.
Isolychn of the present invention, luminous tube, light softness, the tensile strength height, light-emitting area is big, and its production technology is simple, can carry out continuous industry production, can be widely used in fields such as decoration, advertisement and technology braiding.
Description of drawings
Fig. 1 is to be the axial longitudinal section of the isolychn core of central electrode with the lead;
Fig. 2 is to be the axial longitudinal section of the wire luminous body structure of central electrode with the lead;
Fig. 3 be with the conduction flexible pipe be the axial longitudinal section of the wire luminous element of central electrode;
Fig. 4 be with the conduction webmaster be the axial longitudinal section of the wire luminous element of central electrode;
Fig. 5 is the axial longitudinal section with the wire luminous element of several nonmetal parallel conductive lines or stranded organization center electrode;
Fig. 6 is that the central electrode coating is for the first time by the enlarged drawing of axially indulging the sectional plane structure behind the mixture of luminescent powder and polyurethane resin or organic siliconresin;
Fig. 7 is the enlarged drawing that central electrode passes through the axial vertical section structure behind the mixture of secondary or the above extrusion coating luminescent powder of secondary and polyurethane resin or organic siliconresin;
Fig. 8 is the application pattern schematic diagram of embodiment 5;
Fig. 9 is the plane longitudinal section of row's shape luminous element;
Figure 10 is the radial section figure of cylindric luminous element.
Embodiment
Embodiment 1
As shown in Figure 1, described isolychn core body with plain conductor or nonmetal lead 1 as central electrode, at the outer wall of central electrode around covering one deck luminescent powder 6 and transparent polymer polymer, or the luminescent layer 2 of polyurethane resin or organic siliconresin 7 mixtures composition, on the outer circumferential walls of luminescent layer 2, around the auxiliary electrode 4 that covers one deck euphotic electrode layer 3 and winding thereon.As shown in Figure 2, on the basis of isolychn core body shown in Figure 1, the transparent polymeric layer 5 in that polymer such as outermost layer parcel transparent plastic PVC or EVA are formed forms the wire luminous element.
Divided by plain conductor or nonmetal lead 1 as outside the central electrode, can also be as shown in Figure 3, with metal or nonmetal conduction flexible pipe 8 as central electrode.
As shown in Figure 1, in the winding arrangement of the described auxiliary electrode of present embodiment, comprise that at least two auxiliary electrodes 4 are spirally wound on the axial outer circumferential walls of linear luminous element euphotic electrode layer 3, two auxiliary electrodes 4 are positive and negative cross-helicity and twine.Adopt the canoe of this auxiliary electrode, have when auxiliary electrode 4 impaired fractureing, crossed electrode can guarantee that whole auxiliary electrode continues to keep the effect of good conducting state.
Embodiment 2
As shown in Figure 4, as the conduction flexible pipe of central electrode, be the conduction webmaster of tinsel or 10 braidings of nonmetal conductive thread, the skin of this braiding conduction webmaster can directly coat luminescent layer 2 one by one, euphotic electrode layer 3, form luminous tube, also can cover conductive braided fabric pipe 10 with polymer 11 with braiding webmaster 10 by the plastics plastic extruding machine, form the polymer flexible hose, successively coat luminescent layer 2 at this tubular axis again to outer circumferential walls, euphotic electrode layer 3, auxiliary electrode 4, transparent polymeric layer 5.
As shown in Figure 5, its central electrode is by 12 parallel or stranded compositions of several nonmetal conductor wire.Increase the electric conductivity of central electrode between the nonmetal conductor wire 12 by conducting resinl 13 mutual bondings, the skin of the central electrode that several nonmetal conductor wires 12 are formed is time coating luminescent layer 2 successively, euphotic electrode layer 3, twine auxiliary electrode 4, coat transparent polymeric layer 5, form nonmetal central electrode isolychn.
Embodiment 4
The production technology of embodiment 1 described wire luminous element is as follows:
1) granularity is formed luminescent powder material less than 20um zinc sulphide and copper powder doping back, with luminescent powder material 6 and the transparent polyvinyl chloride 7 mixed granulation of forming of 50-65%: 50-35% by weight
2) see that the formed particle of step 1) enters plastic extruder, be heated to 140-175 degree centigrade of plasticizing after even the squeezing of extruder die head applied on the central electrode outer wall, thickness is about about 40um, through water-cooled or air-cooled, forms the luminescent layer 2 of smooth surface densification;
3) at the outer wall of the circumference of luminescent layer 2 around coating or cover one deck euphotic electrode 3, twine auxiliary electrode 4 at the outer wall spiral of euphotic electrode layer 3;
4) be coated with the transparent polymeric layer 5 that polymer such as transparent plastic PVC or EVA are formed at outermost layer.
In the step 1) of aforementioned production method, replace transparent polyvinyl chloride, also can obtain the luminescent layer 2 of identical effect by above-mentioned technology with transparent polyethylene terephthalate, polystyrene, polypropylene, polysulfones or Merlon.
Another production technology of embodiment 1 described wire luminous element, concrete steps are as follows:
1) forms luminescent layer with luminescent powder material and synthetic resin material mixing, as the polyurethane of, insulation transparent, dielectric or the organic siliconresin mixed of 45-70%: 55-30% by weight with luminescent powder and viscosity 10-150PaS, and add suitable compounding ingredient, as curing agent, plasticizer, age resistor, diluent etc., form the luminescent powder mixed slurry.With the luminescent powder mixture paste that the luminescent powder concentration ratio reduces successively, put into several applicators respectively, constantly stir, the granularity of the luminescent powder particle in each applicator is also inequality, and its order also is successively from coarse to fine.
2) as shown in Figure 8, allow as the lead 1 of central electrode or contact tube 8 to the right at a high speed during the die orifice 17 of the applicator by filling luminescent powder and resin compound slurry, narrow slit 18 between the outer wall of central electrode and the die orifice 17, naturally form negative pressure, luminescent powder and synthetic resin mixture slurry in the container are flowed to film mouth direction, and luminescent powder and polyurethane or the 2 even extrusion coatings of organic siliconresin mixture form luminescent layer 2 on the outer wall of central electrode 1 or 8.After the oven dry, enter next applicator and apply, each applied thickness is about 10um, forms smooth luminescent layer at last.Detailed process such as Fig. 6,7 show.Wherein Fig. 6 is on central electrode 1 outer circumferential walls, and coating one deck is by luminescent powder 6 with axially to indulge the enlarged drawing of sectional plane structure behind the mixture of polyurethane resin or organic siliconresin 7.Luminescent powder particle 6 is arranged loosely among the figure, and the outer wall convex-concave is coarse.Fig. 7 is a luminescent powder and with the mixture of above-mentioned resin 7, by the enlarged drawing of the axial vertical section structure after secondary or the above extrusion coating of secondary.Luminescent powder particle 6 is arranged closely among the figure, and outer wall is mellow and full smooth,
3) after 120-155 degree centigrade of baking oven back warp crossed 60-300 and dried second, transparent, the insulation of the gap between the luminescent powder after by resin solidification, the cross-linking agent of dielectric are filled;
4) at the outer wall of the circumference of luminescent layer 2 around coating or cover one deck euphotic electrode 3, twine auxiliary electrode 4 at the outer wall spiral of euphotic electrode layer 3;
5) be coated with the transparent polymeric layer 5 that polymer such as transparent plastic PVC or EVA are formed at outermost layer.
Step 2) the synthetic resin material described in can also be epoxy resin or acrylic resin or polyamide-imide resin, or mylar, adopts these synthetic resin, and adds compounding ingredient also can obtain same effect by above-mentioned technology luminescent layer 2.In the alternating electric field of the luminescent layer of this structure between central electrode 1 and euphotic electrode 3, electric capacity and optical energy loss significantly reduce, and reach good illumination effect.
As shown in Figure 9, be the structural representation of luminous element, this luminous element is passed through the winding displacement shape luminous element of plastic extruding machine, production side by side by several isolychn core bodys 16 of structure shown in Figure 1.
As shown in figure 10, be the structural representation of another luminous element.The luminous element that this luminous element is made up of several isolychn core bodys 16 of structure shown in Figure 1.Radially section is as the lotus root section for it, and there is a through hole 15 at its center, evenly arranges several through holes 14 and isolychn core body 16 on the circumference, and this structure tubulose luminous element can be economized the weight of polymeric material and whole piece luminous tube.
Claims (9)
1. an electro luminescence line core body comprises flexible central electrode, luminescent layer, light transmission conductive layer, it is characterized in that: the outer wall of central electrode (1) directly coats luminescent layer (2), light transmission conductive layer (3) successively; Luminescent powder particle (6) in the luminescent layer is by thermoplastic polyester (7) parcel of transparent, insulation, dielectric; The light transmission conductive layer outer wall twines auxiliary electrode (4).
2. by the described electro luminescence line core body of claim 1, it is characterized in that: the thermoplastic polyester of described transparent, insulation, dielectric is polyvinyl chloride, polyethylene terephthalate, polypropylene, polystyrene, Merlon, polysulfones.
3. by the described electro luminescence line core body of claim 1, it is characterized in that: the luminescent powder in the luminescent layer is the zinc sulphide that mixes of copper powder or organic substance p-phenylene vinylene, poly-alkylthrophene, poly alkyl fluorene.
4. by the described electro luminescence line core body of claim 1, it is characterized in that: central electrode is a single nonmetal conductor wire or with many nonmetal conductor wires or metal or the nonmetal conduction flexible pipe or the webmaster of conductive adhesive gummed.
5. by the described electro luminescence line core body of claim 1, it is characterized in that: the light transmission conductive layer outer wall has at least two conductor wires to intersect as the positive backpitch of auxiliary electrode (4) and twines.
6. the manufacture craft of the described isolychn core body of claim 1 may further comprise the steps:
1) with the thermoplastic polyester mixing granulation of luminescent powder material and transparent, insulation, dielectric;
2) the formed particle of step 1) is entered plastic extruder, be heated to 140-175 degree centigrade of plasticizing,, form ganoid luminescent layer (2) through water-cooled or air-cooled after even the squeezing of extruder die head applied on the central electrode outer wall;
3) at the outer wall of the circumference of luminescent layer (2) around coating or cover one deck light transmission conductive layer (3), and twine auxiliary electrode (4) at the outer wall spiral of light transmission conductive layer (3).
7. a wire luminous element is characterized in that: coat layer of transparent polymeric layer (5) outward by the described wire isolychn of claim 1 core body and form.
8. row's shape luminous element is characterized in that: by the described isolychn core body more than two of claim 1 side by side and coat the layer of transparent polymer and form.
9. bar-shaped luminous element of lotus root is characterized in that: coated the layer of transparent polymer and formed by the described isolychn core body annular more than two of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031408362A CN100384302C (en) | 2003-01-09 | 2003-06-04 | Electroluminescenjt tube illuminant line and its production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03118433 | 2003-01-09 | ||
| CN03118433.2 | 2003-01-09 | ||
| CNB031408362A CN100384302C (en) | 2003-01-09 | 2003-06-04 | Electroluminescenjt tube illuminant line and its production method |
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| Publication Number | Publication Date |
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| CN1516529A CN1516529A (en) | 2004-07-28 |
| CN100384302C true CN100384302C (en) | 2008-04-23 |
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Cited By (1)
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| CN102439497B (en) * | 2009-05-11 | 2014-09-10 | 尼克桑斯公司 | Cable comprising a layer able to emit light radiation |
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| CN103974483B (en) * | 2014-05-25 | 2016-03-16 | 上海洞舟实业有限公司 | A kind of inductance electro luminescence line |
| CN105704868B (en) * | 2016-03-22 | 2018-01-19 | 上海科润光电技术有限公司 | A kind of electroluminescent device of flexible stretching |
| WO2019100294A1 (en) * | 2017-11-23 | 2019-05-31 | 殷峥凯 | Electroluminescent power supply wire |
| CN113194662A (en) * | 2021-04-22 | 2021-07-30 | 维沃移动通信有限公司 | Back cover of electronic equipment, electronic equipment and light emitting method of back cover |
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| CN1277793A (en) * | 1997-09-26 | 2000-12-20 | Ebac公司 | Electroluminescent fiber hose |
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2003
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Patent Citations (4)
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| US5485355A (en) * | 1992-12-10 | 1996-01-16 | Elam-Electroluminescent Industries Ltd. | Electroluminescent light sources |
| CN1182343A (en) * | 1996-10-22 | 1998-05-20 | 伊拉姆－电致发光工业有限公司 | Electroluminescent light source |
| CN1277793A (en) * | 1997-09-26 | 2000-12-20 | Ebac公司 | Electroluminescent fiber hose |
| CN1350416A (en) * | 2001-10-24 | 2002-05-22 | 长春科润光电子材料科技有限公司 | Electroluminescent filament device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439497B (en) * | 2009-05-11 | 2014-09-10 | 尼克桑斯公司 | Cable comprising a layer able to emit light radiation |
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| CN1516529A (en) | 2004-07-28 |
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